1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ Account, macro and variable handling; `vexpr' and `vpospar'.
3 *@ HOWTO add a new non-dynamic boolean or value option:
4 *@ - add an entry to nail.h:enum okeys
5 *@ - run make-okey-map.pl (which is highly related..)
6 *@ - update the manual!
7 *@ TODO . `localopts' should act like an automatic permanent `scope' command
8 *@ TODO modifier! We need an OnScopeLeaveEvent, then.
9 *@ TODO Also see the a_GO_SPLICE comment in go.c.
10 *@ TODO . Optimize: with the dynamic hashmaps, and the object based approach
11 *@ TODO it should become possible to strip down the implementation again.
12 *@ TODO E.g., FREEZE is much too complicated: use an overlay object ptr,
13 *@ TODO UNLIKELY() it, and add a OnProgramStartupCompletedEvent to
14 *@ TODO incorporate what it tracks, then drop it. Etc.
15 *@ TODO Global -> Scope -> Local, all "overlay" objects.
17 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
18 * Copyright (c) 2012 - 2018 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
19 * SPDX-License-Identifier: BSD-3-Clause
22 * Copyright (c) 1980, 1993
23 * The Regents of the University of California. All rights reserved.
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
28 * 1. Redistributions of source code must retain the above copyright
29 * notice, this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in the
32 * documentation and/or other materials provided with the distribution.
33 * 3. Neither the name of the University nor the names of its contributors
34 * may be used to endorse or promote products derived from this software
35 * without specific prior written permission.
37 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
38 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
39 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
40 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
41 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
42 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
43 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
45 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
46 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 #define n_FILE accmacvar
52 #ifndef HAVE_AMALGAMATION
56 #if !defined HAVE_SETENV && !defined HAVE_PUTENV
57 # error Exactly one of HAVE_SETENV and HAVE_PUTENV
60 /* Positional parameter maximum (macro arguments, `vexpr' "splitifs") */
61 #define a_AMV_POSPAR_MAX SI16_MAX
63 /* Special "pseudo macro" that stabs you from the back */
64 #define a_AMV_MACKY_MACK ((struct a_amv_mac*)-1)
66 /* Note: changing the hash function must be reflected in `vexpr' "hash",
67 * because that is used by the hashtable creator scripts! */
68 #define a_AMV_PRIME HSHSIZE
69 #define a_AMV_NAME2HASH(N) n_torek_hash(N)
70 #define a_AMV_HASH2PRIME(H) ((H) % a_AMV_PRIME)
74 a_AMV_MF_ACCOUNT
= 1u<<0, /* This macro is an `account' */
75 a_AMV_MF_TYPE_MASK
= a_AMV_MF_ACCOUNT
,
76 a_AMV_MF_UNDEF
= 1u<<1, /* Unlink after lookup */
77 a_AMV_MF_DELETE
= 1u<<7, /* Delete in progress, free once refcnt==0 */
83 a_AMV_LF_SCOPE
= 1u<<0, /* Current scope `localopts' on */
84 a_AMV_LF_SCOPE_FIXATE
= 1u<<1, /* Ditto, but fixated */
85 a_AMV_LF_SCOPE_MASK
= a_AMV_LF_SCOPE
| a_AMV_LF_SCOPE_FIXATE
,
86 a_AMV_LF_CALL
= 1u<<2, /* `localopts' on for `call'ed scopes */
87 a_AMV_LF_CALL_FIXATE
= 1u<<3, /* Ditto, but fixated */
88 a_AMV_LF_CALL_MASK
= a_AMV_LF_CALL
| a_AMV_LF_CALL_FIXATE
,
89 a_AMV_LF_CALL_TO_SCOPE_SHIFT
= 2
92 /* make-okey-map.pl ensures that _VIRT implies _RDONLY and _NODEL, and that
93 * _IMPORT implies _ENV; it doesn't verify anything...
94 * More description at nail.h:enum okeys */
98 /* The basic set of flags, also present in struct a_amv_var_map.avm_flags */
99 a_AMV_VF_BOOL
= 1u<<0, /* ok_b_* */
100 a_AMV_VF_CHAIN
= 1u<<1, /* Has -HOST and/or -USER@HOST variants */
101 a_AMV_VF_VIRT
= 1u<<2, /* "Stateless" automatic variable */
102 a_AMV_VF_VIP
= 1u<<3, /* Wants _var_check_vips() evaluation */
103 a_AMV_VF_RDONLY
= 1u<<4, /* May not be set by user */
104 a_AMV_VF_NODEL
= 1u<<5, /* May not be deleted */
105 a_AMV_VF_I3VAL
= 1u<<6, /* Has an initial value */
106 a_AMV_VF_DEFVAL
= 1u<<7, /* Has a default value */
107 a_AMV_VF_IMPORT
= 1u<<8, /* Import ONLY from env (pre n_PSO_STARTED) */
108 a_AMV_VF_ENV
= 1u<<9, /* Update environment on change */
109 a_AMV_VF_NOLOPTS
= 1u<<10, /* May not be tracked by `localopts' */
110 a_AMV_VF_NOTEMPTY
= 1u<<11, /* May not be assigned an empty value */
111 /* TODO _VF_NUM, _VF_POSNUM: we also need 64-bit limit numbers! */
112 a_AMV_VF_NUM
= 1u<<12, /* Value must be a 32-bit number */
113 a_AMV_VF_POSNUM
= 1u<<13, /* Value must be positive 32-bit number */
114 a_AMV_VF_LOWER
= 1u<<14, /* Values will be stored in lowercase version */
115 a_AMV_VF_OBSOLETE
= 1u<<15, /* Is obsolete? */
116 a_AMV_VF__MASK
= (1u<<(15+1)) - 1,
118 /* Extended flags, not part of struct a_amv_var_map.avm_flags */
119 /* This flag indicates the instance is actually a variant of a _VF_CHAIN,
120 * it thus uses the a_amv_var_map of the base variable, but it is not the
121 * base itself and therefore care must be taken */
122 a_AMV_VF_EXT_CHAIN
= 1u<<22,
123 a_AMV_VF_EXT_LOCAL
= 1u<<23, /* `local' */
124 a_AMV_VF_EXT_LINKED
= 1u<<24, /* `environ' link'ed */
125 a_AMV_VF_EXT_FROZEN
= 1u<<25, /* Has been set by -S,.. */
126 a_AMV_VF_EXT_FROZEN_UNSET
= 1u<<26, /* ..and was used to unset a variable */
127 a_AMV_VF_EXT__FROZEN_MASK
= a_AMV_VF_EXT_FROZEN
| a_AMV_VF_EXT_FROZEN_UNSET
,
128 a_AMV_VF_EXT__MASK
= (1u<<(26+1)) - 1
131 enum a_amv_var_lookup_flags
{
132 a_AMV_VLOOK_NONE
= 0,
133 a_AMV_VLOOK_LOCAL
= 1u<<0, /* Query `local' layer first */
134 a_AMV_VLOOK_LOCAL_ONLY
= 1u<<1, /* MUST be a `local' variable */
135 /* Do not allocate new var for _I3VAL, see _var_lookup() for more */
136 a_AMV_VLOOK_I3VAL_NONEW
= 1u<<2,
137 a_AMV_VLOOK_I3VAL_NONEW_REPORT
= 1u<<3
140 enum a_amv_var_setclr_flags
{
141 a_AMV_VSETCLR_NONE
= 0,
142 a_AMV_VSETCLR_LOCAL
= 1u<<0, /* Use `local' variables only */
143 a_AMV_VSETCLR_ENV
= 1u<<1 /* `environ' or otherwise environ */
146 /* We support some special parameter names for one(+)-letter variable names;
147 * note these have counterparts in the code that manages shell expansion!
148 * All these special variables are solely backed by n_var_vlook(), and besides
149 * there is only a_amv_var_revlookup() which knows about them */
150 enum a_amv_var_special_category
{
151 a_AMV_VSC_NONE
, /* Normal variable, no special treatment */
152 a_AMV_VSC_GLOBAL
, /* ${[?!]} are specially mapped, but global */
153 a_AMV_VSC_MULTIPLEX
, /* ${^.*} circumflex accent multiplexer */
154 a_AMV_VSC_POSPAR
, /* ${[1-9][0-9]*} positional parameters */
155 a_AMV_VSC_POSPAR_ENV
/* ${[*@#]} positional parameter support variables */
158 enum a_amv_var_special_type
{
160 a_AMV_VST_QM
, /* ? */
161 a_AMV_VST_EM
, /* ! */
163 /* This is special in that it is a multiplex indicator, the ^ is followed by
164 * a normal variable */
165 a_AMV_VST_CACC
, /* ^ (circumflex accent) */
166 /* _VSC_POSPAR_ENV */
167 a_AMV_VST_STAR
, /* * */
168 a_AMV_VST_AT
, /* @ */
169 a_AMV_VST_NOSIGN
/* # */
172 enum a_amv_var_vip_mode
{
179 ui16_t app_maxcount
; /* == slots in .app_dat */
180 ui16_t app_count
; /* Maximum a_AMV_POSPAR_MAX */
181 ui16_t app_idx
; /* `shift' moves this one, decs .app_count */
182 bool_t app_not_heap
; /* .app_dat stuff not dynamically allocated */
184 char const **app_dat
; /* NULL terminated (for "$@" explosion support) */
186 n_CTA(a_AMV_POSPAR_MAX
<= SI16_MAX
, "Limit exceeds datatype capabilities");
189 struct a_amv_mac
*am_next
;
190 ui32_t am_maxlen
; /* of any line in .am_line_dat */
191 ui32_t am_line_cnt
; /* of *.am_line_dat (but NULL terminated) */
192 struct a_amv_mac_line
**am_line_dat
; /* TODO use deque? */
193 struct a_amv_var
*am_lopts
; /* `localopts' unroll list */
194 ui32_t am_refcnt
; /* 0-based for `un{account,define}' purposes */
195 ui8_t am_flags
; /* enum a_amv_mac_flags */
196 char am_name
[n_VFIELD_SIZE(3)]; /* of this macro */
198 n_CTA(a_AMV_MF__MAX
<= UI8_MAX
, "Enumeration excesses storage datatype");
200 struct a_amv_mac_line
{
202 ui32_t aml_prespc
; /* Number of leading SPACEs, for display purposes */
203 char aml_dat
[n_VFIELD_SIZE(0)];
206 struct a_amv_mac_call_args
{
207 char const *amca_name
; /* For MACKY_MACK, this is *0*! */
208 struct a_amv_mac
*amca_amp
; /* "const", but for am_refcnt */
209 struct a_amv_var
**amca_unroller
;
210 void (*amca_hook_pre
)(void *);
213 bool_t amca_ps_hook_mask
;
214 bool_t amca_no_xcall
; /* We want n_GO_INPUT_NO_XCALL for this */
216 struct a_amv_var
*(*amca_local_vars
)[a_AMV_PRIME
]; /* `local's, or NULL */
217 struct a_amv_pospar amca_pospar
;
220 struct a_amv_lostack
{
221 struct a_amv_lostack
*as_global_saved
; /* Saved global XXX due to jump */
222 struct a_amv_mac_call_args
*as_amcap
;
223 struct a_amv_lostack
*as_up
; /* Outer context */
224 struct a_amv_var
*as_lopts
;
225 ui8_t as_loflags
; /* enum a_amv_mac_loflags */
230 struct a_amv_var
*av_link
;
233 char *av_env
; /* Actively managed putenv(3) memory, or NULL */
235 ui32_t av_flags
; /* enum a_amv_var_flags inclusive extended bits */
236 char av_name
[n_VFIELD_SIZE(4)];
238 n_CTA(a_AMV_VF_EXT__MASK
<= UI32_MAX
, "Enumeration excesses storage datatype");
240 /* After inclusion of gen-okeys.h we assert keyoff fits in 16-bit */
241 struct a_amv_var_map
{
244 ui16_t avm_flags
; /* enum a_amv_var_flags without extended bits */
246 n_CTA(a_AMV_VF__MASK
<= UI16_MAX
, "Enumeration excesses storage datatype");
248 /* XXX Since there is no indicator character used for variable chains, we just
249 * XXX cannot do better than using some s....y detection.
250 * The length of avcmb_prefix is highly hardwired with make-okey-map.pl etc. */
251 struct a_amv_var_chain_map_bsrch
{
252 char avcmb_prefix
[4];
253 ui16_t avcmb_chain_map_off
;
254 ui16_t avcmb_chain_map_eokey
; /* This is an enum okey */
257 /* Use 16-bit for enum okeys, which should always be sufficient; all around
258 * here we use 32-bit for it instead, but that owed to faster access (?) */
259 struct a_amv_var_chain_map
{
263 n_CTA(n_OKEYS_MAX
<= UI16_MAX
, "Enumeration excesses storage datatype");
265 struct a_amv_var_virt
{
268 struct a_amv_var
const *avv_var
;
271 struct a_amv_var_defval
{
274 char const *avdv_value
; /* Only for !BOOL (otherwise plain existence) */
277 struct a_amv_var_carrier
{
278 char const *avc_name
;
281 struct a_amv_var
*avc_var
;
282 struct a_amv_var_map
const *avc_map
;
284 bool_t avc_is_chain_variant
; /* Base is a chain, this a variant thereof */
285 ui8_t avc_special_cat
;
286 /* Numerical parameter name if .avc_special_cat=a_AMV_VSC_POSPAR,
287 * otherwise a enum a_amv_var_special_type */
288 ui16_t avc_special_prop
;
291 /* Include constant make-okey-map.pl output, and the generated version data */
292 #include <gen-version.h>
293 #include <gen-okeys.h>
295 /* As promised above, CTAs to protect our structures */
296 n_CTA(a_AMV_VAR_NAME_KEY_MAXOFF
<= UI16_MAX
,
297 "Enumeration excesses storage datatype");
299 /* The currently active account */
300 static struct a_amv_mac
*a_amv_acc_curr
;
302 static struct a_amv_mac
*a_amv_macs
[a_AMV_PRIME
]; /* TODO dynamically spaced */
304 /* Unroll list of currently running macro stack */
305 static struct a_amv_lostack
*a_amv_lopts
;
307 static struct a_amv_var
*a_amv_vars
[a_AMV_PRIME
]; /* TODO dynamically spaced */
309 /* Global (i.e., non-local) a_AMV_VSC_POSPAR stack */
310 static struct a_amv_pospar a_amv_pospar
;
312 /* TODO We really deserve localopts support for *folder-hook*s, so hack it in
313 * TODO today via a static lostack, it should be a field in mailbox, once that
314 * TODO is a real multi-instance object */
315 static struct a_amv_var
*a_amv_folder_hook_lopts
;
317 /* TODO Rather ditto (except for storage -> cmd_ctx), compose hooks */
318 static struct a_amv_var
*a_amv_compose_lopts
;
320 /* Lookup for macros/accounts: if newamp is not NULL it will be linked in the
321 * map, if _MF_UNDEF is set a possibly existing entry will be removed (first).
322 * Returns NULL if a lookup failed, or if newamp was set, the found entry in
323 * plain lookup cases or when _UNDEF was performed on a currently active entry
324 * (the entry will have been unlinked, and the _MF_DELETE will be honoured once
325 * the reference count reaches 0), and (*)-1 if an _UNDEF was performed */
326 static struct a_amv_mac
*a_amv_mac_lookup(char const *name
,
327 struct a_amv_mac
*newamp
, enum a_amv_mac_flags amf
);
329 /* `call', `call_if' (and `xcall' via go.c -> c_call()) */
330 static int a_amv_mac_call(void *v
, bool_t silent_nexist
);
332 /* Execute a macro; amcap must reside in LOFI memory */
333 static bool_t
a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
);
335 static void a_amv_mac__finalize(void *vp
);
337 /* User display helpers */
338 static bool_t
a_amv_mac_show(enum a_amv_mac_flags amf
);
340 /* _def() returns error for faulty definitions and already existing * names,
341 * _undef() returns error if a named thing doesn't exist */
342 static bool_t
a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
);
343 static bool_t
a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
);
346 static void a_amv_mac_free(struct a_amv_mac
*amp
);
348 /* Update replay-log */
349 static void a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
350 struct a_amv_var
*oavp
);
351 static void a_amv_lopts_unroll(struct a_amv_var
**avpp
);
353 /* Special cased value string allocation */
354 static char *a_amv_var_copy(char const *str
);
355 static void a_amv_var_free(char *cp
);
357 /* Check for special housekeeping. _VIP_SET_POST and _VIP_CLEAR do not fail
358 * (or propagate errors), _VIP_SET_PRE may and should case abortion */
359 static bool_t
a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
,
360 enum okeys okey
, char const **val
);
362 /* _VF_NUM / _VF_POSNUM */
363 static bool_t
a_amv_var_check_num(char const *val
, bool_t posnum
);
365 /* Try to reverse lookup a name to an enum okeys mapping, zeroing avcp.
366 * Updates .avc_name and .avc_hash; .avc_map is NULL if none found.
367 * We may try_harder to identify name: it may be an extended chain.
368 * That test only is actually performed by the latter(, then) */
369 static bool_t
a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
,
370 char const *name
, bool_t try_harder
);
371 static bool_t
a_amv_var_revlookup_chain(struct a_amv_var_carrier
*avcp
,
374 /* Lookup a variable from .avc_(map|name|hash), return whether it was found.
375 * Sets .avc_prime; .avc_var is NULL if not found.
376 * Here it is where we care for _I3VAL and _DEFVAL.
377 * An _I3VAL will be "consumed" as necessary anyway, but it won't be used to
378 * create a new variable if _VLOOK_I3VAL_NONEW is set; if
379 * _VLOOK_I3VAL_NONEW_REPORT is set then we set .avc_var to -1 and return true
380 * if that was the case, otherwise we'll return FAL0, then! */
381 static bool_t
a_amv_var_lookup(struct a_amv_var_carrier
*avcp
,
382 enum a_amv_var_lookup_flags avlf
);
384 /* Lookup functions for special category variables, _pospar drives all
385 * positional parameter etc. special categories */
386 static char const *a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
);
387 static char const *a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
);
388 static char const *a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
);
390 /* Set var from .avc_(map|name|hash), return success */
391 static bool_t
a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
392 enum a_amv_var_setclr_flags avscf
);
394 static bool_t
a_amv_var__putenv(struct a_amv_var_carrier
*avcp
,
395 struct a_amv_var
*avp
);
397 /* Clear var from .avc_(map|name|hash); sets .avc_var=NULL, return success */
398 static bool_t
a_amv_var_clear(struct a_amv_var_carrier
*avcp
,
399 enum a_amv_var_setclr_flags avscf
);
401 static bool_t
a_amv_var__clearenv(char const *name
, struct a_amv_var
*avp
);
403 /* List all variables */
404 static void a_amv_var_show_all(void);
406 static int a_amv_var__show_cmp(void const *s1
, void const *s2
);
408 /* Actually do print one, return number of lines written */
409 static size_t a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
);
411 /* Shared c_set() and c_environ():set impl, return success */
412 static bool_t
a_amv_var_c_set(char **ap
, enum a_amv_var_setclr_flags avscf
);
414 static struct a_amv_mac
*
415 a_amv_mac_lookup(char const *name
, struct a_amv_mac
*newamp
,
416 enum a_amv_mac_flags amf
){
417 struct a_amv_mac
*amp
, **ampp
;
419 enum a_amv_mac_flags save_amf
;
423 amf
&= a_AMV_MF_TYPE_MASK
;
424 h
= a_AMV_NAME2HASH(name
);
425 h
= a_AMV_HASH2PRIME(h
);
426 ampp
= &a_amv_macs
[h
];
428 for(amp
= *ampp
; amp
!= NULL
; ampp
= &(*ampp
)->am_next
, amp
= amp
->am_next
){
429 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
&&
430 !strcmp(amp
->am_name
, name
)){
431 if(n_LIKELY((save_amf
& a_AMV_MF_UNDEF
) == 0))
434 *ampp
= amp
->am_next
;
436 if(amp
->am_refcnt
> 0){
437 amp
->am_flags
|= a_AMV_MF_DELETE
;
438 if(n_poption
& n_PO_D_V
)
439 n_err(_("Delayed deletion of currently active %s: %s\n"),
440 (amp
->am_flags
& a_AMV_MF_ACCOUNT
? "account" : "define"),
444 amp
= (struct a_amv_mac
*)-1;
451 ampp
= &a_amv_macs
[h
];
452 newamp
->am_next
= *ampp
;
462 a_amv_mac_call(void *v
, bool_t silent_nexist
){
463 struct a_amv_mac
*amp
;
466 struct n_cmd_arg_ctx
*cacp
;
471 if(cacp
->cac_no
== 0){
472 n_err(_("Synopsis: call(_if)?: name [:<arguments>:]\n"));
473 n_pstate_err_no
= n_ERR_INVAL
;
478 name
= cacp
->cac_arg
->ca_arg
.ca_str
.s
;
480 if(n_UNLIKELY(cacp
->cac_no
> a_AMV_POSPAR_MAX
)){
481 n_err(_("Too many arguments to macro `call': %s\n"), name
);
482 n_pstate_err_no
= n_ERR_OVERFLOW
;
484 }else if(n_UNLIKELY((amp
= a_amv_mac_lookup(name
, NULL
, a_AMV_MF_NONE
)
487 n_err(_("Undefined macro called: %s\n"), n_shexp_quote_cp(name
, FAL0
));
488 n_pstate_err_no
= n_ERR_NOENT
;
492 struct a_amv_mac_call_args
*amcap
;
495 argc
= cacp
->cac_no
+ 1;
496 amcap
= n_lofi_alloc(sizeof *amcap
+ (argc
* sizeof *argv
));
497 argv
= (void*)&amcap
[1];
499 for(argc
= 0; (cacp
->cac_arg
= cacp
->cac_arg
->ca_next
) != NULL
; ++argc
)
500 argv
[argc
] = cacp
->cac_arg
->ca_arg
.ca_str
.s
;
503 memset(amcap
, 0, sizeof *amcap
);
504 amcap
->amca_name
= name
;
505 amcap
->amca_amp
= amp
;
506 if(a_amv_lopts
!= NULL
)
507 amcap
->amca_loflags
= (a_amv_lopts
->as_loflags
& a_AMV_LF_CALL_MASK
508 ) >> a_AMV_LF_CALL_TO_SCOPE_SHIFT
;
510 amcap
->amca_pospar
.app_count
= (ui16_t
)argc
;
511 amcap
->amca_pospar
.app_not_heap
= TRU1
;
512 amcap
->amca_pospar
.app_dat
= argv
;
515 (void)a_amv_mac_exec(amcap
);
524 a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
){
525 struct a_amv_lostack
*losp
;
526 struct a_amv_mac_line
**amlp
;
527 char **args_base
, **args
;
528 struct a_amv_mac
*amp
;
532 amp
= amcap
->amca_amp
;
533 assert(amp
!= NULL
&& amp
!= a_AMV_MACKY_MACK
);
535 /* XXX Unfortunately we yet need to dup the macro lines! :( */
536 args_base
= args
= n_alloc(sizeof(*args
) * (amp
->am_line_cnt
+1));
537 for(amlp
= amp
->am_line_dat
; *amlp
!= NULL
; ++amlp
)
538 *(args
++) = sbufdup((*amlp
)->aml_dat
, (*amlp
)->aml_len
);
541 losp
= n_lofi_alloc(sizeof *losp
);
542 losp
->as_global_saved
= a_amv_lopts
;
543 if((losp
->as_amcap
= amcap
)->amca_unroller
== NULL
){
544 losp
->as_up
= losp
->as_global_saved
;
545 losp
->as_lopts
= NULL
;
548 losp
->as_lopts
= *amcap
->amca_unroller
;
550 losp
->as_loflags
= amcap
->amca_loflags
;
553 if(amcap
->amca_hook_pre
!= NULL
)
554 n_PS_ROOT_BLOCK((*amcap
->amca_hook_pre
)(amcap
->amca_hook_arg
));
555 rv
= n_go_macro((n_GO_INPUT_NONE
|
556 (amcap
->amca_no_xcall
? n_GO_INPUT_NO_XCALL
: 0)),
557 amp
->am_name
, args_base
, &a_amv_mac__finalize
, losp
);
563 a_amv_mac__finalize(void *vp
){
564 struct a_amv_mac
*amp
;
565 struct a_amv_mac_call_args
*amcap
;
566 struct a_amv_lostack
*losp
;
570 a_amv_lopts
= losp
->as_global_saved
;
572 amcap
= losp
->as_amcap
;
574 /* Delete positional parameter stack */
575 if(!amcap
->amca_pospar
.app_not_heap
&& amcap
->amca_pospar
.app_maxcount
> 0){
578 for(i
= amcap
->amca_pospar
.app_maxcount
; i
-- != 0;)
579 n_free(n_UNCONST(amcap
->amca_pospar
.app_dat
[i
]));
580 n_free(amcap
->amca_pospar
.app_dat
);
583 /* `local' variable hashmap. These have no environment map, never */
584 if(amcap
->amca_local_vars
!= NULL
){
585 struct a_amv_var
**avpp_base
, **avpp
, *avp
;
587 for(avpp_base
= *amcap
->amca_local_vars
, avpp
= &avpp_base
[a_AMV_PRIME
];
588 avpp
-- != avpp_base
;)
589 while((avp
= *avpp
)){
590 assert((avp
->av_flags
& (a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
)) ==
591 (a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
));
592 assert(!(avp
->av_flags
&
593 ((a_AMV_VF__MASK
| a_AMV_VF_EXT__MASK
) &
594 ~(a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
))));
595 *avpp
= avp
->av_link
;
596 a_amv_var_free(avp
->av_value
);
602 /* Unroll `localopts', if applicable */
603 if(amcap
->amca_unroller
== NULL
){
604 if(losp
->as_lopts
!= NULL
)
605 a_amv_lopts_unroll(&losp
->as_lopts
);
607 *amcap
->amca_unroller
= losp
->as_lopts
;
609 if(amcap
->amca_ps_hook_mask
)
610 n_pstate
&= ~n_PS_HOOK_MASK
;
612 if((amp
= amcap
->amca_amp
) != a_AMV_MACKY_MACK
&& amp
!= NULL
&&
613 --amp
->am_refcnt
== 0 && (amp
->am_flags
& a_AMV_MF_DELETE
))
622 a_amv_mac_show(enum a_amv_mac_flags amf
){
623 size_t lc
, mc
, ti
, i
;
631 if((fp
= Ftmp(NULL
, "deflist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
633 n_perr(_("`define' or `account' list: cannot create temporary file"), 0);
637 amf
&= a_AMV_MF_TYPE_MASK
;
638 typestr
= (amf
& a_AMV_MF_ACCOUNT
) ? "account" : "define";
640 for(lc
= mc
= ti
= 0; ti
< a_AMV_PRIME
; ++ti
){
641 struct a_amv_mac
*amp
;
643 for(amp
= a_amv_macs
[ti
]; amp
!= NULL
; amp
= amp
->am_next
){
644 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
645 struct a_amv_mac_line
**amlpp
;
652 fprintf(fp
, "%s %s {\n", typestr
, amp
->am_name
);
653 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++lc
, ++amlpp
){
654 for(i
= (*amlpp
)->aml_prespc
; i
> 0; --i
)
656 fputs((*amlpp
)->aml_dat
, fp
);
665 page_or_print(fp
, lc
);
667 rv
= (ferror(fp
) == 0);
675 a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
){
677 ui32_t line_cnt
, maxlen
;
679 struct linelist
*ll_next
;
680 struct a_amv_mac_line
*ll_amlp
;
681 } *llp
, *ll_head
, *ll_tail
;
682 union {size_t s
; int i
; ui32_t ui
; size_t l
;} n
;
683 struct a_amv_mac
*amp
;
687 memset(&line
, 0, sizeof line
);
691 /* TODO We should have our input state machine which emits Line events,
692 * TODO and hook different consumers dependent on our content, as stated
693 * TODO in i think lex_input: like this local macros etc. would become
694 * TODO possible from the input side */
695 /* Read in the lines which form the macro content */
696 for(ll_tail
= ll_head
= NULL
, line_cnt
= maxlen
= 0;;){
700 n
.i
= n_go_input(n_GO_INPUT_CTX_DEFAULT
| n_GO_INPUT_NL_ESC
, n_empty
,
701 &line
.s
, &line
.l
, NULL
, NULL
);
705 n_err(_("Unterminated %s definition: %s\n"),
706 (amf
& a_AMV_MF_ACCOUNT
? "account" : "macro"), name
);
710 /* Trim WS, remember amount of leading spaces for display purposes */
711 for(cp
= line
.s
, leaspc
= 0; n
.ui
> 0; ++cp
, --n
.ui
)
713 leaspc
= (leaspc
+ 8u) & ~7u;
718 for(; n
.ui
> 0 && spacechar(cp
[n
.ui
- 1]); --n
.ui
)
723 maxlen
= n_MAX(maxlen
, n
.ui
);
726 /* Is is the closing brace? */
730 if(n_LIKELY(++line_cnt
< UI32_MAX
)){
731 struct a_amv_mac_line
*amlp
;
733 llp
= n_autorec_alloc(sizeof *llp
);
737 ll_tail
->ll_next
= llp
;
740 llp
->ll_amlp
= amlp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_mac_line
,
742 amlp
->aml_len
= n
.ui
-1;
743 amlp
->aml_prespc
= leaspc
;
744 memcpy(amlp
->aml_dat
, cp
, n
.ui
);
746 n_err(_("Too much content in %s definition: %s\n"),
747 (amf
& a_AMV_MF_ACCOUNT
? "account" : "macro"), name
);
752 /* Create the new macro */
753 n
.s
= strlen(name
) +1;
754 amp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_mac
, am_name
) + n
.s
);
755 memset(amp
, 0, n_VSTRUCT_SIZEOF(struct a_amv_mac
, am_name
));
756 amp
->am_maxlen
= maxlen
;
757 amp
->am_line_cnt
= line_cnt
;
759 memcpy(amp
->am_name
, name
, n
.s
);
761 struct a_amv_mac_line
**amlpp
;
763 amp
->am_line_dat
= amlpp
= n_alloc(sizeof(*amlpp
) * ++line_cnt
);
764 for(llp
= ll_head
; llp
!= NULL
; llp
= llp
->ll_next
)
765 *amlpp
++ = llp
->ll_amlp
;
769 /* Create entry, replace a yet existing one as necessary */
770 a_amv_mac_lookup(name
, amp
, amf
| a_AMV_MF_UNDEF
);
779 for(llp
= ll_head
; llp
!= NULL
; llp
= llp
->ll_next
)
780 n_free(llp
->ll_amlp
);
783 * n_free(amp->am_line_dat);
790 a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
){
791 struct a_amv_mac
*amp
;
797 if(n_LIKELY(name
[0] != '*' || name
[1] != '\0')){
798 if((amp
= a_amv_mac_lookup(name
, NULL
, amf
| a_AMV_MF_UNDEF
)) == NULL
){
799 n_err(_("%s not defined: %s\n"),
800 (amf
& a_AMV_MF_ACCOUNT
? "Account" : "Macro"), name
);
804 struct a_amv_mac
**ampp
, *lamp
;
806 for(ampp
= a_amv_macs
; PTRCMP(ampp
, <, &a_amv_macs
[n_NELEM(a_amv_macs
)]);
808 for(lamp
= NULL
, amp
= *ampp
; amp
!= NULL
;){
809 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
810 /* xxx Expensive but rare: be simple */
811 a_amv_mac_lookup(amp
->am_name
, NULL
, amf
| a_AMV_MF_UNDEF
);
812 amp
= (lamp
== NULL
) ? *ampp
: lamp
->am_next
;
824 a_amv_mac_free(struct a_amv_mac
*amp
){
825 struct a_amv_mac_line
**amlpp
;
828 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++amlpp
)
830 n_free(amp
->am_line_dat
);
836 a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
837 struct a_amv_var
*oavp
){
838 struct a_amv_var
*avp
;
842 /* Propagate unrolling up the stack, as necessary */
845 if(alp
->as_loflags
& a_AMV_LF_SCOPE_MASK
)
847 if((alp
= alp
->as_up
) == NULL
)
851 /* Check whether this variable is handled yet XXX Boost: ID check etc.!! */
852 for(avp
= alp
->as_lopts
; avp
!= NULL
; avp
= avp
->av_link
)
853 if(!strcmp(avp
->av_name
, name
))
856 nl
= strlen(name
) +1;
857 vl
= (oavp
!= NULL
) ? strlen(oavp
->av_value
) +1 : 0;
858 avp
= n_calloc(1, n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + nl
+ vl
);
859 avp
->av_link
= alp
->as_lopts
;
862 avp
->av_value
= &avp
->av_name
[nl
];
863 avp
->av_flags
= oavp
->av_flags
;
864 memcpy(avp
->av_value
, oavp
->av_value
, vl
);
866 memcpy(avp
->av_name
, name
, nl
);
872 a_amv_lopts_unroll(struct a_amv_var
**avpp
){
873 struct a_amv_lostack
*save_alp
;
874 struct a_amv_var
*x
, *avp
;
880 save_alp
= a_amv_lopts
;
885 n_PS_ROOT_BLOCK(n_var_vset(x
->av_name
, (uintptr_t)x
->av_value
));
888 a_amv_lopts
= save_alp
;
893 a_amv_var_copy(char const *str
){
899 news
= n_UNCONST(n_empty
);
900 else if(str
[1] == '\0'){
902 news
= n_UNCONST(n_1
);
903 else if(str
[0] == '0')
904 news
= n_UNCONST(n_0
);
907 }else if(str
[2] == '\0' && str
[0] == '-' && str
[1] == '1')
908 news
= n_UNCONST(n_m1
);
911 len
= strlen(str
) +1;
913 memcpy(news
, str
, len
);
920 a_amv_var_free(char *cp
){
922 if(cp
[0] != '\0' && cp
!= n_0
&& cp
!= n_1
&& cp
!= n_m1
)
928 a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
, enum okeys okey
,
936 if(avvm
== a_AMV_VIP_SET_PRE
){
940 case ok_v_charset_7bit
:
941 case ok_v_charset_8bit
:
942 case ok_v_charset_unknown_8bit
:
943 case ok_v_ttycharset
:
944 if((*val
= n_iconv_normalize_name(*val
)) == NULL
)
947 case ok_v_customhdr
:{
950 struct n_header_field
*hflp
, **hflpp
, *hfp
;
957 while((vp
= n_strsep_esc(&buf
, ',', TRU1
)) != NULL
){
958 if(!n_header_add_custom(hflpp
, vp
, TRU1
)){
959 emsg
= N_("Invalid *customhdr* entry: %s\n");
963 hflpp
= &(*hflpp
)->hf_next
;
966 hflpp
= ok
? &n_customhdr_list
: &hflp
;
967 while((hfp
= *hflpp
) != NULL
){
968 *hflpp
= hfp
->hf_next
;
973 n_customhdr_list
= hflp
;
979 if((np
= lextract(*val
, GEXTRA
| GFULL
)) == NULL
){
981 emsg
= N_("*from* / *sender*: invalid address(es): %s\n");
983 }else if(okey
== ok_v_sender
&& np
->n_flink
!= NULL
){
984 emsg
= N_("*sender*: may not contain multiple addresses: %s\n");
986 }else for(; np
!= NULL
; np
= np
->n_flink
)
987 if(is_addr_invalid(np
, EACM_STRICT
| EACM_NOLOG
| EACM_NONAME
))
991 /* Note this gets called from main.c during initialization, and they
992 * simply set this to pw_dir as a fallback: don't verify _that_ call.
994 if(!(n_pstate
& n_PS_ROOT
) && !n_is_dir(*val
, TRUM1
)){
995 emsg
= N_("$HOME is not a directory or not accessible: %s\n");
1000 case ok_v_smtp_hostname
:
1003 struct n_string cnv
;
1005 n_string_creat_auto(&cnv
);
1006 if(!n_idna_to_ascii(&cnv
, *val
, UIZ_MAX
)){
1007 /*n_string_gut(&res);*/
1008 emsg
= N_("*hostname*/*smtp_hostname*: "
1009 "IDNA encoding failed: %s\n");
1012 *val
= n_string_cp(&cnv
);
1013 /*n_string_drop_ownership(&cnv);*/
1017 case ok_v_quote_chars
:{
1021 for(cp
= *val
; (c
= *cp
++) != '\0';)
1022 if(!asciichar(c
) || blankspacechar(c
)){
1027 case ok_v_sendcharsets
:{
1028 struct n_string s
, *sp
= &s
;
1031 sp
= n_string_creat_auto(sp
);
1032 csv
= savestr(*val
);
1034 while((cp
= n_strsep(&csv
, ',', TRU1
)) != NULL
){
1035 if((cp
= n_iconv_normalize_name(cp
)) == NULL
){
1040 sp
= n_string_push_c(sp
, ',');
1041 sp
= n_string_push_cp(sp
, cp
);
1044 *val
= n_string_cp(sp
);
1045 /* n_string_drop_ownership(sp); */
1048 if(!n_is_dir(*val
, TRU1
)){
1049 emsg
= N_("$TMPDIR is not a directory or not accessible: %s\n");
1057 n_idec_ui64_cp(&uib
, *val
, 0, NULL
);
1058 if(uib
& ~0777u){ /* (is valid _VF_POSNUM) */
1059 emsg
= N_("Invalid *umask* setting: %s\n");
1065 }else if(avvm
== a_AMV_VIP_SET_POST
){
1073 n_poption
|= n_PO_DEBUG
;
1076 /* Invalidate any resolved folder then, too
1079 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
1086 x_b
= x
= n_autorec_alloc(strlen(cp
) +1);
1087 while((c
= *cp
++) != '\0')
1091 n_PS_ROOT_BLOCK(ok_vset(ifs_ws
, x_b
));
1093 #ifdef HAVE_SETLOCALE
1101 n_poption
|= n_PO_MEMDEBUG
;
1103 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
1104 if(!(n_pstate
& n_PS_ROOT
))
1105 n_PS_ROOT_BLOCK(ok_bset(posix
));
1107 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
1108 if(!(n_pstate
& n_PS_ROOT
))
1109 n_PS_ROOT_BLOCK(ok_bset(POSIXLY_CORRECT
));
1111 case ok_b_skipemptybody
:
1112 n_poption
|= n_PO_E_FLAG
;
1114 case ok_b_typescript_mode
:
1115 ok_bset(colour_disable
);
1116 ok_bset(line_editor_disable
);
1117 if(!(n_psonce
& n_PSO_STARTED
))
1118 ok_bset(termcap_disable
);
1124 n_idec_ui64_cp(&uib
, *val
, 0, NULL
);
1129 n_poption
|= (n_poption
& n_PO_VERB
) ? n_PO_VERBVERB
: n_PO_VERB
;
1140 n_poption
&= ~n_PO_DEBUG
;
1142 case ok_v_customhdr
:{
1143 struct n_header_field
*hfp
;
1145 while((hfp
= n_customhdr_list
) != NULL
){
1146 n_customhdr_list
= hfp
->hf_next
;
1151 /* Invalidate any resolved folder then, too
1154 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
1157 n_poption
&= ~n_PO_MEMDEBUG
;
1159 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
1160 if(!(n_pstate
& n_PS_ROOT
))
1161 n_PS_ROOT_BLOCK(ok_bclear(posix
));
1163 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
1164 if(!(n_pstate
& n_PS_ROOT
))
1165 n_PS_ROOT_BLOCK(ok_bclear(POSIXLY_CORRECT
));
1167 case ok_b_skipemptybody
:
1168 n_poption
&= ~n_PO_E_FLAG
;
1171 n_poption
&= ~(n_PO_VERB
| n_PO_VERBVERB
);
1180 n_err(V_(emsg
), n_shexp_quote_cp(*val
, FAL0
));
1186 a_amv_var_check_num(char const *val
, bool_t posnum
){
1187 /* TODO The internal/environment variables which are num= or posnum= should
1188 * TODO gain special lookup functions, or the return should be void* and
1189 * TODO castable to integer; i.e. no more strtoX() should be needed.
1190 * TODO I.e., the result of this function should instead be stored */
1196 if(*val
!= '\0'){ /* Would be _VF_NOTEMPTY if not allowed */
1198 enum n_idec_state ids
;
1200 ids
= n_idec_cp(&uib
, val
, 0,
1201 (n_IDEC_MODE_LIMIT_32BIT
|
1202 (posnum
? n_IDEC_MODE_SIGNED_TYPE
: n_IDEC_MODE_NONE
)), NULL
);
1203 if((ids
& (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
1204 ) != n_IDEC_STATE_CONSUMED
)
1206 /* TODO Unless we store integers we need to look and forbid, because
1207 * TODO callee may not be able to swallow, e.g., "-1" */
1208 if(posnum
&& (ids
& n_IDEC_STATE_SEEN_MINUS
))
1216 a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
, char const *name
,
1219 struct a_amv_var_map
const *avmp
;
1223 memset(avcp
, 0, sizeof *avcp
); /* XXX overkill, just set chain */
1225 /* It may be a special a.k.a. macro-local or one-letter parameter */
1227 if(n_UNLIKELY(digitchar(c
))){
1228 /* (Inline dec. atoi, ugh) */
1229 for(j
= (ui8_t
)c
- '0', i
= 1;; ++i
){
1234 goto jno_special_param
;
1235 j
= j
* 10 + (ui8_t
)c
- '0';
1237 if(j
<= a_AMV_POSPAR_MAX
){
1238 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR
;
1239 goto jspecial_param
;
1241 }else if(n_UNLIKELY(name
[1] == '\0')){
1245 avcp
->avc_special_cat
= a_AMV_VSC_GLOBAL
;
1246 j
= (c
== '?') ? a_AMV_VST_QM
: a_AMV_VST_EM
;
1247 goto jspecial_param
;
1251 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1253 goto jspecial_param
;
1255 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1257 goto jspecial_param
;
1259 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1260 j
= a_AMV_VST_NOSIGN
;
1261 goto jspecial_param
;
1267 avcp
->avc_special_cat
= a_AMV_VSC_MULTIPLEX
;
1269 goto jspecial_param
;
1272 /* This is nothing special, but a plain variable */
1274 assert(a_AMV_VSC_NONE
== 0);/*avcp->avc_special_cat = a_AMV_VSC_NONE;*/
1275 avcp
->avc_name
= name
;
1276 avcp
->avc_hash
= hash
= a_AMV_NAME2HASH(name
);
1278 /* Is it a known okey? Walk over the hashtable */
1279 for(i
= hash
% a_AMV_VAR_REV_PRIME
, j
= 0; j
<= a_AMV_VAR_REV_LONGEST
; ++j
){
1282 if((x
= a_amv_var_revmap
[i
]) == a_AMV_VAR_REV_ILL
)
1285 avmp
= &a_amv_var_map
[x
];
1286 if(avmp
->avm_hash
== hash
&&
1287 !strcmp(&a_amv_var_names
[avmp
->avm_keyoff
], name
)){
1288 avcp
->avc_map
= avmp
;
1289 avcp
->avc_okey
= (enum okeys
)x
;
1293 if(++i
== a_AMV_VAR_REV_PRIME
){
1294 #ifdef a_AMV_VAR_REV_WRAPAROUND
1302 /* Not a known key, but it may be a chain extension of one.
1303 * We possibly wanna know for a variety of reasons */
1304 if(try_harder
&& a_amv_var_revlookup_chain(avcp
, name
))
1307 assert(avcp
->avc_map
== NULL
);/*avcp->avc_map = NULL;*/
1310 assert(avcp
== NULL
|| avcp
->avc_map
!= NULL
||
1311 avcp
->avc_special_cat
== a_AMV_VSC_NONE
);
1313 return (avcp
!= NULL
);
1315 /* All these are mapped to *--special-param* */
1317 avcp
->avc_name
= name
;
1318 avcp
->avc_special_prop
= (ui16_t
)j
;
1319 avmp
= &a_amv_var_map
[a_AMV_VAR__SPECIAL_PARAM_MAP_IDX
];
1320 avcp
->avc_hash
= avmp
->avm_hash
;
1321 avcp
->avc_map
= avmp
;
1322 avcp
->avc_okey
= ok_v___special_param
;
1327 a_amv_var_revlookup_chain(struct a_amv_var_carrier
*avcp
, char const *name
){
1329 struct a_amv_var_chain_map_bsrch
const *avcmbp
, *avcmbp_x
;
1333 n_SIZEOF_FIELD(struct a_amv_var_chain_map_bsrch
, avcmb_prefix
)){
1338 avcmbp
= &a_amv_var_chain_map_bsrch
[0];
1339 i
= a_AMV_VAR_CHAIN_MAP_BSRCH_CNT
- 0;
1342 avcmbp_x
= &avcmbp
[i
>> 1];
1343 cres
= memcmp(name
, avcmbp_x
->avcmb_prefix
,
1344 n_SIZEOF_FIELD(struct a_amv_var_chain_map_bsrch
, avcmb_prefix
));
1346 /* Go right instead? */
1348 avcmbp
= ++avcmbp_x
;
1352 /* Once the binary search found the right prefix we have to use
1353 * a linear walk from then on, because there is no "trigger"
1354 * character: anything could be something free-form or
1355 * a chain-extension, we just do not know. Unfortunately.
1356 * Luckily cramping the walk to a small window is possible */
1357 struct a_amv_var_chain_map
const *avcmp
, *avcmp_hit
;
1359 avcmp
= &a_amv_var_chain_map
[avcmbp_x
->avcmb_chain_map_off
];
1363 char const *cp
, *ncp
;
1365 cp
= &a_amv_var_names
[avcmp
->avcm_keyoff
+
1366 n_SIZEOF_FIELD(struct a_amv_var_chain_map_bsrch
,
1368 ncp
= &name
[n_SIZEOF_FIELD(struct a_amv_var_chain_map_bsrch
,
1371 if(*ncp
!= (c
= *cp
) || c
== '\0')
1373 /* Is it a chain extension of this key? */
1374 if(c
== '\0' && *ncp
== '-')
1376 else if(avcmp_hit
!= NULL
)
1378 }while((avcmp
++)->avcm_okey
< avcmbp_x
->avcmb_chain_map_eokey
);
1380 if(avcmp_hit
!= NULL
){
1381 avcp
->avc_map
= &a_amv_var_map
[avcp
->avc_okey
=
1382 (enum okeys
)avcmp_hit
->avcm_okey
];
1383 avcp
->avc_is_chain_variant
= TRU1
;
1388 }while((i
>>= 1) > 0);
1393 return (avcp
!= NULL
);
1397 a_amv_var_lookup(struct a_amv_var_carrier
*avcp
,
1398 enum a_amv_var_lookup_flags avlf
){
1402 struct a_amv_var_map
const *avmp
;
1403 struct a_amv_var
*avp
;
1406 assert(!(avlf
& a_AMV_VLOOK_LOCAL_ONLY
) || (avlf
& a_AMV_VLOOK_LOCAL
));
1407 assert(!(avlf
& a_AMV_VLOOK_I3VAL_NONEW_REPORT
) ||
1408 (avlf
& a_AMV_VLOOK_I3VAL_NONEW
));
1411 struct a_amv_var
**avpp
, *lavp
;
1413 avcp
->avc_prime
= a_AMV_HASH2PRIME(avcp
->avc_hash
);
1415 /* Optionally macro-`local' variables first */
1416 if(avlf
& a_AMV_VLOOK_LOCAL
){
1417 if(a_amv_lopts
!= NULL
&&
1418 (avpp
= *a_amv_lopts
->as_amcap
->amca_local_vars
) != NULL
){
1419 avpp
+= avcp
->avc_prime
;
1421 for(lavp
= NULL
, avp
= *avpp
; avp
!= NULL
;
1422 lavp
= avp
, avp
= avp
->av_link
)
1423 if(!strcmp(avp
->av_name
, avcp
->avc_name
)){
1424 /* Relink as head, hope it "sorts on usage" over time.
1425 * The code relies on this behaviour! */
1427 lavp
->av_link
= avp
->av_link
;
1428 avp
->av_link
= *avpp
;
1435 if(avlf
& a_AMV_VLOOK_LOCAL_ONLY
)
1439 /* Global variable map */
1440 avpp
= &a_amv_vars
[avcp
->avc_prime
];
1442 for(lavp
= NULL
, avp
= *avpp
; avp
!= NULL
; lavp
= avp
, avp
= avp
->av_link
)
1443 if(!strcmp(avp
->av_name
, avcp
->avc_name
)){
1444 /* Relink as head, hope it "sorts on usage" over time.
1445 * The code relies on this behaviour! */
1447 lavp
->av_link
= avp
->av_link
;
1448 avp
->av_link
= *avpp
;
1452 /* If this setting has been established via -S and we still have
1453 * not reached the _STARTED_CONFIG program state, it may have been
1454 * an explicit "clearance" that is to be treated as unset.
1455 * Because that is a special condition that (has been hacked in
1456 * later and) needs to be encapsulated in lower levels, but not
1457 * of interest if _set() or _clear() called us */
1458 switch(avp
->av_flags
& a_AMV_VF_EXT__FROZEN_MASK
){
1459 case a_AMV_VF_EXT_FROZEN
| a_AMV_VF_EXT_FROZEN_UNSET
:
1460 if(!(avlf
& a_AMV_VLOOK_I3VAL_NONEW
)){
1461 avcp
->avc_var
= avp
;
1473 /* If this is not an assembled variable we need to consider some special
1474 * initialization cases and eventually create the variable anew */
1475 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1476 f
= avmp
->avm_flags
;
1478 /* Does it have an import-from-environment flag? */
1479 if(n_UNLIKELY((f
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
)) != 0)){
1480 if(n_LIKELY((cp
= getenv(avcp
->avc_name
)) != NULL
)){
1481 /* May be better not to use that one, though? */
1482 /* TODO Outsource the tests into a _shared_ test function! */
1483 bool_t isempty
, isbltin
;
1485 isempty
= (*cp
== '\0' && (f
& a_AMV_VF_NOTEMPTY
) != 0);
1486 isbltin
= ((f
& (a_AMV_VF_I3VAL
| a_AMV_VF_DEFVAL
)) != 0);
1488 if(n_UNLIKELY(isempty
)){
1489 n_err(_("Environment variable must not be empty: %s\n"),
1493 }else if(n_LIKELY(*cp
!= '\0')){
1494 if(n_UNLIKELY((f
& a_AMV_VF_NUM
) &&
1495 !a_amv_var_check_num(cp
, FAL0
))){
1496 n_err(_("Environment variable value not a number "
1497 "or out of range: %s\n"), avcp
->avc_name
);
1500 if(n_UNLIKELY((f
& a_AMV_VF_POSNUM
) &&
1501 !a_amv_var_check_num(cp
, TRU1
))){
1502 n_err(_("Environment variable value not a number, "
1503 "negative or out of range: %s\n"), avcp
->avc_name
);
1512 /* A first-time init switch is to be handled now and here */
1513 if(n_UNLIKELY((f
& a_AMV_VF_I3VAL
) != 0)){
1514 static struct a_amv_var_defval
const **arr
,
1515 *arr_base
[a_AMV_VAR_I3VALS_CNT
+1];
1519 arr
[i
= a_AMV_VAR_I3VALS_CNT
] = NULL
;
1521 arr
[i
] = &a_amv_var_i3vals
[i
];
1524 for(i
= 0; arr
[i
] != NULL
; ++i
)
1525 if(arr
[i
]->avdv_okey
== avcp
->avc_okey
){
1526 cp
= (f
& a_AMV_VF_BOOL
) ? n_1
: arr
[i
]->avdv_value
;
1527 /* Remove this entry, hope entire block becomes no-op asap */
1529 arr
[i
] = arr
[i
+ 1];
1530 while(arr
[i
++] != NULL
);
1532 if(!(avlf
& a_AMV_VLOOK_I3VAL_NONEW
))
1534 if(avlf
& a_AMV_VLOOK_I3VAL_NONEW_REPORT
)
1535 avp
= (struct a_amv_var
*)-1;
1542 if(n_UNLIKELY(f
& a_AMV_VF_DEFVAL
) != 0){
1543 for(i
= 0; i
< a_AMV_VAR_DEFVALS_CNT
; ++i
)
1544 if(a_amv_var_defvals
[i
].avdv_okey
== avcp
->avc_okey
){
1545 cp
= (f
& a_AMV_VF_BOOL
) ? n_1
1546 : a_amv_var_defvals
[i
].avdv_value
;
1551 /* The virtual variables */
1552 if(n_UNLIKELY((f
& a_AMV_VF_VIRT
) != 0)){
1553 for(i
= 0; i
< a_AMV_VAR_VIRTS_CNT
; ++i
)
1554 if(a_amv_var_virts
[i
].avv_okey
== avcp
->avc_okey
){
1555 avp
= n_UNCONST(a_amv_var_virts
[i
].avv_var
);
1565 avcp
->avc_var
= avp
;
1567 if(!(avlf
& a_AMV_VLOOK_I3VAL_NONEW
) && (n_poption
& n_PO_D_VV
) &&
1568 avp
!= (struct a_amv_var
*)-1 && avcp
->avc_okey
!= ok_v_log_prefix
){
1569 /* I18N: Variable "name" is set to "value" */
1570 n_err(_("*%s* is %s\n"),
1571 n_shexp_quote_cp(avcp
->avc_name
, FAL0
),
1572 (avp
== NULL
? _("not set")
1573 : ((avp
->av_flags
& a_AMV_VF_BOOL
) ? _("boolean set")
1574 : n_shexp_quote_cp(avp
->av_value
, FAL0
))));
1577 return (avp
!= NULL
);
1580 assert(avmp
!= NULL
);
1581 assert(f
== avmp
->avm_flags
);
1582 /* E.g., $TMPDIR may be set to non-existent, so we need to be able to catch
1583 * that and redirect to a possible default value */
1584 if((f
& a_AMV_VF_VIP
) &&
1585 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, &cp
)){
1587 if(f
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
))
1588 unsetenv(avcp
->avc_name
);
1590 if(n_UNLIKELY(f
& a_AMV_VF_DEFVAL
) != 0)
1594 struct a_amv_var
**avpp
;
1597 l
= strlen(avcp
->avc_name
) +1;
1599 avp
= n_calloc(1, n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1600 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1602 assert(!avcp
->avc_is_chain_variant
);
1604 avp
->av_value
= a_amv_var_copy(cp
);
1605 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1607 if(f
& a_AMV_VF_ENV
)
1608 a_amv_var__putenv(avcp
, avp
);
1609 if(f
& a_AMV_VF_VIP
)
1610 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, &cp
);
1616 a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
){
1617 char iencbuf
[n_IENC_BUFFER_SIZE
];
1620 struct a_amv_var_map
const *avmp
;
1623 /* Not function local, TODO but lazy evaluted for now */
1624 if(avcp
->avc_special_prop
== a_AMV_VST_QM
){
1625 avmp
= &a_amv_var_map
[a_AMV_VAR__QM_MAP_IDX
];
1626 avcp
->avc_okey
= ok_v___qm
;
1627 ep
= &n_pstate_ex_no
;
1629 avmp
= &a_amv_var_map
[a_AMV_VAR__EM_MAP_IDX
];
1630 avcp
->avc_okey
= ok_v___em
;
1631 ep
= &n_pstate_err_no
;
1634 /* XXX Oh heaven, we are responsible to ensure that $?/! is up-to-date
1635 * TODO we could num=1 ok_v___[qe]m, but the thing is still a string
1636 * TODO and thus conversion takes places over and over again; also
1637 * TODO for now that would have to occur before we set _that_ value
1638 * TODO so let's special treat it until we store ints as such */
1640 case 0: rv
= n_0
; break;
1641 case 1: rv
= n_1
; break;
1643 rv
= n_ienc_buf(iencbuf
, *ep
, 10, n_IENC_MODE_SIGNED_TYPE
);
1646 n_PS_ROOT_BLOCK(n_var_okset(avcp
->avc_okey
, (uintptr_t)rv
));
1648 avcp
->avc_hash
= avmp
->avm_hash
;
1649 avcp
->avc_map
= avmp
;
1650 rv
= a_amv_var_lookup(avcp
, a_AMV_VLOOK_NONE
)
1651 ? avcp
->avc_var
->av_value
: NULL
;
1657 a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
){
1658 char iencbuf
[n_IENC_BUFFER_SIZE
];
1664 i
= strlen(rv
= &avcp
->avc_name
[1]);
1666 /* ERR, ERRDOC, ERRNAME, plus *-NAME variants */
1667 if(rv
[0] == 'E' && i
>= 3 && rv
[1] == 'R' && rv
[2] == 'R'){
1669 e
= n_pstate_err_no
;
1671 }else if(rv
[3] == '-'){
1672 e
= n_err_from_name(&rv
[4]);
1675 case 0: rv
= n_0
; break;
1676 case 1: rv
= n_1
; break;
1678 /* XXX Need to convert number to string yet */
1679 rv
= savestr(n_ienc_buf(iencbuf
, e
, 10, n_IENC_MODE_SIGNED_TYPE
));
1684 if(!memcmp(&rv
[3], "DOC", 3)){
1687 case '\0': e
= n_pstate_err_no
; break;
1688 case '-': e
= n_err_from_name(&rv
[1]); break;
1691 rv
= n_err_to_doc(e
);
1693 }else if(i
>= 7 && !memcmp(&rv
[3], "NAME", 4)){
1696 case '\0': e
= n_pstate_err_no
; break;
1697 case '-': e
= n_err_from_name(&rv
[1]); break;
1700 rv
= n_err_to_name(e
);
1714 a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
){
1717 char const *rv
, **argv
;
1722 /* If in a macro/xy.. */
1723 if(a_amv_lopts
!= NULL
){
1725 struct a_amv_mac_call_args
*amcap
;
1727 amcap
= a_amv_lopts
->as_amcap
;
1728 argc
= amcap
->amca_pospar
.app_count
;
1729 argv
= amcap
->amca_pospar
.app_dat
;
1730 argv
+= amcap
->amca_pospar
.app_idx
;
1732 /* ..in a `call'ed macro only, to be exact. Or in a_AMV_MACKY_MACK */
1733 if(!(ismacky
= (amcap
->amca_amp
== a_AMV_MACKY_MACK
)) &&
1734 (amcap
->amca_ps_hook_mask
||
1735 (assert(amcap
->amca_amp
!= NULL
),
1736 (amcap
->amca_amp
->am_flags
& a_AMV_MF_TYPE_MASK
1737 ) == a_AMV_MF_ACCOUNT
)))
1740 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1741 if(avcp
->avc_special_prop
> 0){
1742 if(argc
>= avcp
->avc_special_prop
)
1743 rv
= argv
[avcp
->avc_special_prop
- 1];
1745 rv
= amcap
->amca_name
;
1747 rv
= (a_amv_lopts
->as_up
!= NULL
1748 ? a_amv_lopts
->as_up
->as_amcap
->amca_name
: n_empty
);
1751 /* MACKY_MACK doesn't know about [*@#] */
1752 /*else*/ if(ismacky
){
1753 if(n_poption
& n_PO_D_V
)
1754 n_err(_("Cannot use $*/$@/$# in this context: %s\n"),
1755 n_shexp_quote_cp(avcp
->avc_name
, FAL0
));
1759 argc
= a_amv_pospar
.app_count
;
1760 argv
= a_amv_pospar
.app_dat
;
1761 argv
+= a_amv_pospar
.app_idx
;
1763 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1764 if(avcp
->avc_special_prop
> 0){
1765 if(argc
>= avcp
->avc_special_prop
)
1766 rv
= argv
[avcp
->avc_special_prop
- 1];
1773 switch(avcp
->avc_special_prop
){ /* XXX OPTIMIZE */
1774 case a_AMV_VST_STAR
:{
1777 sep
= *ok_vlook(ifs
);
1782 for(i
= j
= 0; i
< argc
; ++i
)
1783 j
+= strlen(argv
[i
]) + 1;
1789 rv
= cp
= n_autorec_alloc(j
);
1790 for(i
= j
= 0; i
< argc
; ++i
){
1791 j
= strlen(argv
[i
]);
1792 memcpy(cp
, argv
[i
], j
);
1802 case a_AMV_VST_NOSIGN
:{
1803 char iencbuf
[n_IENC_BUFFER_SIZE
];
1805 rv
= savestr(n_ienc_buf(iencbuf
, argc
, 10, n_IENC_MODE_NONE
));
1817 a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
1818 enum a_amv_var_setclr_flags avscf
){
1819 struct a_amv_var
*avp
;
1821 struct a_amv_var_map
const *avmp
;
1826 rv
= a_amv_var_clear(avcp
, avscf
);
1830 if((avmp
= avcp
->avc_map
) != NULL
){
1833 /* Validity checks */
1834 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_RDONLY
) != 0 &&
1835 !(n_pstate
& n_PS_ROOT
))){
1836 value
= N_("Variable is read-only: %s\n");
1839 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) && *value
== '\0')){
1840 value
= N_("Variable must not be empty: %s\n");
1843 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1844 !a_amv_var_check_num(value
, FAL0
))){
1845 value
= N_("Variable value not a number or out of range: %s\n");
1848 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1849 !a_amv_var_check_num(value
, TRU1
))){
1850 value
= _("Variable value not a number, negative, "
1851 "or out of range: %s\n");
1855 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_IMPORT
) != 0 &&
1856 !(n_psonce
& n_PSO_STARTED
) && !(n_pstate
& n_PS_ROOT
))){
1857 value
= N_("Variable cannot be set in a resource file: %s\n");
1861 /* Any more complicated inter-dependency? */
1862 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1863 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, &value
))){
1864 value
= N_("Assignment of variable aborted: %s\n");
1866 n_err(V_(value
), avcp
->avc_name
);
1870 /* Transformations */
1871 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_LOWER
)){
1874 oval
= savestr(value
);
1876 for(; (c
= *oval
) != '\0'; ++oval
)
1877 *oval
= lowerconv(c
);
1880 /* Obsoletion warning */
1881 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_OBSOLETE
) != 0))
1882 n_OBSOLETE2(_("variable superseded or obsoleted"), avcp
->avc_name
);
1885 /* Lookup possibly existing var. For */
1888 a_amv_var_lookup(avcp
, (a_AMV_VLOOK_I3VAL_NONEW
|
1889 ((avscf
& a_AMV_VSETCLR_LOCAL
)
1890 ? (a_AMV_VLOOK_LOCAL
| a_AMV_VLOOK_LOCAL_ONLY
) : 0)));
1891 avp
= avcp
->avc_var
;
1893 /* A `local' setting is never covered by `localopts' nor frozen */
1894 if(avscf
& a_AMV_VSETCLR_LOCAL
)
1897 /* If this setting had been established via -S and we still have not reached
1898 * the _STARTED_CONFIG program state, silently ignore request! */
1899 if(n_UNLIKELY(avp
!= NULL
) &&
1900 n_UNLIKELY((avp
->av_flags
& a_AMV_VF_EXT__FROZEN_MASK
) != 0)){
1901 if(!(n_psonce
& n_PSO_STARTED_CONFIG
)){
1902 if((n_pstate
& n_PS_ROOT
) ||
1903 (!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
1904 (n_poption
& n_PO_S_FLAG_TEMPORARY
)))
1906 if(n_poption
& n_PO_D_VV
)
1907 n_err(_("Temporarily frozen by -S, not `set'ing: %s\n"),
1912 /* Otherwise, if -S freezing was an `unset' request, be very simple and
1913 * avoid tampering with that very special case we are not really prepared
1914 * for just one more line of code: throw the old thing away! */
1915 if(!(avp
->av_flags
& a_AMV_VF_EXT_FROZEN_UNSET
))
1916 avp
->av_flags
&= ~a_AMV_VF_EXT__FROZEN_MASK
;
1918 assert(avp
->av_value
== n_empty
);
1919 assert(a_amv_vars
[avcp
->avc_prime
] == avp
);
1920 a_amv_vars
[avcp
->avc_prime
] = avp
->av_link
;
1922 avcp
->avc_var
= avp
= NULL
;
1926 /* Optionally cover by `localopts' */
1927 if(n_UNLIKELY(a_amv_lopts
!= NULL
) &&
1928 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
1929 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
1934 oval
= avp
->av_value
;
1937 struct a_amv_var
**avpp
;
1939 if(avscf
& a_AMV_VSETCLR_LOCAL
){
1940 if((avpp
= *a_amv_lopts
->as_amcap
->amca_local_vars
) == NULL
)
1941 avpp
= *(a_amv_lopts
->as_amcap
->amca_local_vars
=
1942 n_calloc(1, sizeof(*a_amv_lopts
->as_amcap
->amca_local_vars
)));
1943 avpp
+= avcp
->avc_prime
;
1945 avpp
= &a_amv_vars
[avcp
->avc_prime
];
1947 l
= strlen(avcp
->avc_name
) +1;
1948 avcp
->avc_var
= avp
= n_calloc(1,
1949 n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1950 avp
->av_link
= *avpp
;
1952 avp
->av_flags
= (((avscf
& a_AMV_VSETCLR_LOCAL
)
1953 ? a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
1954 : ((avmp
!= NULL
) ? avmp
->avm_flags
: 0)) |
1955 (avcp
->avc_is_chain_variant
? a_AMV_VF_EXT_CHAIN
: a_AMV_VF_NONE
));
1956 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1957 oval
= n_UNCONST(n_empty
);
1961 avp
->av_value
= a_amv_var_copy(value
);
1963 assert(!(avscf
& a_AMV_VSETCLR_LOCAL
));
1964 /* Via `set' etc. the user may give even boolean options non-boolean
1965 * values, ignore that and force boolean */
1966 if(!(avp
->av_flags
& a_AMV_VF_BOOL
))
1967 avp
->av_value
= a_amv_var_copy(value
);
1969 if(!(n_pstate
& n_PS_ROOT
) && (n_poption
& n_PO_D_V
) &&
1971 n_err(_("Ignoring value of boolean variable: %s: %s\n"),
1972 avcp
->avc_name
, value
);
1973 avp
->av_value
= n_UNCONST(n_1
);
1977 /* A `local' setting can skip all the crude special things */
1978 if(!(avscf
& a_AMV_VSETCLR_LOCAL
)){
1983 if((avscf
& a_AMV_VSETCLR_ENV
) && !(f
& a_AMV_VF_ENV
))
1984 f
|= a_AMV_VF_EXT_LINKED
;
1985 if(f
& (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
))
1986 rv
= a_amv_var__putenv(avcp
, avp
);
1987 if(f
& a_AMV_VF_VIP
)
1988 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, &value
);
1990 f
&= ~a_AMV_VF_EXT__FROZEN_MASK
;
1991 if(!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
1992 (n_poption
& n_PO_S_FLAG_TEMPORARY
) != 0)
1993 f
|= a_AMV_VF_EXT_FROZEN
;
1998 a_amv_var_free(oval
);
2005 a_amv_var__putenv(struct a_amv_var_carrier
*avcp
, struct a_amv_var
*avp
){
2013 rv
= (setenv(avcp
->avc_name
, avp
->av_value
, 1) == 0);
2015 cp
= sstrdup(savecatsep(avcp
->avc_name
, '=', avp
->av_value
));
2017 if((rv
= (putenv(cp
) == 0))){
2033 a_amv_var_clear(struct a_amv_var_carrier
*avcp
,
2034 enum a_amv_var_setclr_flags avscf
){
2035 struct a_amv_var
**avpp
, *avp
;
2037 struct a_amv_var_map
const *avmp
;
2044 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
2045 if(n_UNLIKELY(((f
= avmp
->avm_flags
) & a_AMV_VF_NODEL
) != 0 &&
2046 !(n_pstate
& n_PS_ROOT
))){
2047 n_err(_("Variable may not be unset: %s\n"), avcp
->avc_name
);
2050 if(n_UNLIKELY((f
& a_AMV_VF_VIP
) != 0 &&
2051 !a_amv_var_check_vips(a_AMV_VIP_CLEAR
, avcp
->avc_okey
, NULL
))){
2052 n_err(_("Clearance of variable aborted: %s\n"), avcp
->avc_name
);
2059 if(n_UNLIKELY(!a_amv_var_lookup(avcp
,
2060 (((avscf
& a_AMV_VSETCLR_LOCAL
)
2061 ? (a_AMV_VLOOK_LOCAL
| a_AMV_VLOOK_LOCAL_ONLY
) : 0) |
2062 a_AMV_VLOOK_I3VAL_NONEW
| a_AMV_VLOOK_I3VAL_NONEW_REPORT
)))){
2063 assert(avcp
->avc_var
== NULL
);
2064 /* This may be a clearance request from the command line, via -S, and we
2065 * need to keep track of that! Unfortunately we are not prepared for
2066 * this, really, so we need to create a fake entry that is known and
2067 * handled correctly by the lowermost variable layer!
2068 * However, all this cannot happen for plain unset of `local' variables */
2069 if(avscf
& a_AMV_VSETCLR_LOCAL
)
2071 if(n_UNLIKELY(!(n_psonce
& n_PSO_STARTED_GETOPT
)) &&
2072 (n_poption
& n_PO_S_FLAG_TEMPORARY
)) Jfreeze
:{
2075 l
= strlen(avcp
->avc_name
) +1;
2076 avp
= n_calloc(1, n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
2077 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
2079 avp
->av_value
= n_UNCONST(n_empty
); /* Sth. covered by _var_free()! */
2080 assert(f
== (avmp
!= NULL
? avmp
->avm_flags
: 0));
2081 avp
->av_flags
= f
| a_AMV_VF_EXT_FROZEN
| a_AMV_VF_EXT_FROZEN_UNSET
;
2082 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
2084 if((avscf
& a_AMV_VSETCLR_ENV
) || (f
& a_AMV_VF_ENV
))
2085 a_amv_var__clearenv(avcp
->avc_name
, NULL
);
2086 }else if(avscf
& a_AMV_VSETCLR_ENV
){
2088 if(!(rv
= a_amv_var__clearenv(avcp
->avc_name
, NULL
)))
2089 goto jerr_env_unset
;
2091 /* TODO "cannot unset undefined variable" not echoed in "ROBOT" state,
2092 * TODO should only be like that with "ignerr"! */
2094 if(!(n_pstate
& (n_PS_ROOT
| n_PS_ROBOT
)) && (n_poption
& n_PO_D_V
))
2095 n_err(_("Cannot unset undefined variable: %s\n"), avcp
->avc_name
);
2098 }else if((avp
= avcp
->avc_var
) == (struct a_amv_var
*)-1){
2099 /* Clearance request from command line, via -S? As above.. */
2100 if(n_UNLIKELY(!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
2101 (n_poption
& n_PO_S_FLAG_TEMPORARY
) != 0))
2103 avcp
->avc_var
= NULL
;
2104 if(avscf
& a_AMV_VSETCLR_ENV
)
2108 assert(avcp
->avc_var
!= NULL
);
2110 /* `local' variables bypass "frozen" checks and `localopts' coverage etc. */
2111 if((f
= avp
->av_flags
) & a_AMV_VF_EXT_LOCAL
)
2114 /* If this setting has been established via -S and we still have not reached
2115 * the _STARTED_CONFIG program state, silently ignore request!
2116 * XXX All this is very complicated for the tenth of a second */
2117 /*else*/ if(n_UNLIKELY((f
& a_AMV_VF_EXT__FROZEN_MASK
) != 0)){
2118 if(!(n_psonce
& n_PSO_STARTED_CONFIG
)){
2119 if((n_pstate
& n_PS_ROOT
) ||
2120 (!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
2121 (n_poption
& n_PO_S_FLAG_TEMPORARY
))){
2122 /* Be aware this may turn a set into an unset! */
2123 if(!(f
& a_AMV_VF_EXT_FROZEN_UNSET
)){
2124 if(f
& a_AMV_VF_DEFVAL
)
2126 a_amv_var_free(avp
->av_value
);
2127 f
|= a_AMV_VF_EXT_FROZEN_UNSET
;
2129 avp
->av_value
= n_UNCONST(n_empty
); /* _var_free() covered */
2130 if(f
& (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
))
2135 if(n_poption
& n_PO_D_VV
)
2136 n_err(_("Temporarily frozen by -S, not `unset'ting: %s\n"),
2140 f
&= ~a_AMV_VF_EXT__FROZEN_MASK
;
2144 if(n_UNLIKELY(a_amv_lopts
!= NULL
) &&
2145 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
2146 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
2149 assert(avp
== avcp
->avc_var
);
2150 avcp
->avc_var
= NULL
;
2151 avpp
= &(((f
= avp
->av_flags
) & a_AMV_VF_EXT_LOCAL
)
2152 ? *a_amv_lopts
->as_amcap
->amca_local_vars
: a_amv_vars
2154 assert(*avpp
== avp
); /* (always listhead after lookup()) */
2155 *avpp
= (*avpp
)->av_link
;
2157 if(f
& (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
))
2158 rv
= a_amv_var__clearenv(avp
->av_name
, avp
);
2159 a_amv_var_free(avp
->av_value
);
2162 /* XXX Fun part, extremely simple-minded for now: if this variable has
2163 * XXX a default value, immediately reinstantiate it! TODO Heh? */
2164 /* xxx Simply assuming we will never have default values for actual
2165 * xxx -HOST or -USER@HOST chain extensions */
2166 if(n_UNLIKELY(avmp
!= NULL
&& (avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0)){
2167 a_amv_var_lookup(avcp
, a_AMV_VLOOK_I3VAL_NONEW
);
2168 if(n_UNLIKELY(!(n_psonce
& n_PSO_STARTED_GETOPT
)) &&
2169 (n_poption
& n_PO_S_FLAG_TEMPORARY
))
2170 avcp
->avc_var
->av_flags
|= a_AMV_VF_EXT_FROZEN
;
2178 a_amv_var__clearenv(char const *name
, struct a_amv_var
*avp
){
2179 extern char **environ
;
2189 if(avp
!= NULL
&& avp
->av_env
!= NULL
){
2190 for(; *ecpp
!= NULL
; ++ecpp
)
2191 if(*ecpp
== avp
->av_env
){
2194 while(*ecpp
++ != NULL
);
2195 n_free(avp
->av_env
);
2205 if((l
= strlen(name
)) > 0){
2206 for(; *ecpp
!= NULL
; ++ecpp
)
2207 if(!strncmp(*ecpp
, name
, l
) && (*ecpp
)[l
] == '='){
2213 while(*ecpp
++ != NULL
);
2225 a_amv_var_show_all(void){
2226 struct n_string msg
, *msgp
;
2229 struct a_amv_var
*avp
;
2230 char const **vacp
, **cap
;
2233 if((fp
= Ftmp(NULL
, "setlist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) == NULL
){
2234 n_perr(_("`set' list: cannot create temporary file"), 0);
2238 /* We need to instantiate first-time-inits and default values here, so that
2239 * they will be regular members of our _vars[] table */
2240 for(i
= a_AMV_VAR_I3VALS_CNT
; i
-- > 0;)
2241 n_var_oklook(a_amv_var_i3vals
[i
].avdv_okey
);
2242 for(i
= a_AMV_VAR_DEFVALS_CNT
; i
-- > 0;)
2243 n_var_oklook(a_amv_var_defvals
[i
].avdv_okey
);
2245 for(no
= i
= 0; i
< a_AMV_PRIME
; ++i
)
2246 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
2248 no
+= a_AMV_VAR_VIRTS_CNT
;
2250 vacp
= n_autorec_alloc(no
* sizeof(*vacp
));
2252 for(cap
= vacp
, i
= 0; i
< a_AMV_PRIME
; ++i
)
2253 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
2254 *cap
++ = avp
->av_name
;
2255 for(i
= a_AMV_VAR_VIRTS_CNT
; i
-- > 0;)
2256 *cap
++ = a_amv_var_virts
[i
].avv_var
->av_name
;
2259 qsort(vacp
, no
, sizeof *vacp
, &a_amv_var__show_cmp
);
2262 msgp
= n_string_reserve(n_string_creat(msgp
), 80);
2263 for(i
= 0, cap
= vacp
; no
!= 0; ++cap
, --no
)
2264 i
+= a_amv_var_show(*cap
, fp
, msgp
);
2267 page_or_print(fp
, i
);
2274 a_amv_var__show_cmp(void const *s1
, void const *s2
){
2278 rv
= strcmp(*(char**)n_UNCONST(s1
), *(char**)n_UNCONST(s2
));
2284 a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
){
2285 /* XXX a_amv_var_show(): if we iterate over all the actually set variables
2286 * XXX via a_amv_var_show_all() there is no need to call
2287 * XXX a_amv_var_revlookup() at all! Revisit this call chain */
2288 struct a_amv_var_carrier avc
;
2290 struct a_amv_var
*avp
;
2295 msgp
= n_string_trunc(msgp
, 0);
2298 a_amv_var_revlookup(&avc
, name
, TRU1
);
2299 isset
= a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
);
2302 if(n_poption
& n_PO_D_V
){
2303 if(avc
.avc_map
== NULL
){
2304 msgp
= n_string_push_cp(msgp
, "#assembled variable with value");
2311 {a_AMV_VF_CHAIN
, "variable chain"},
2312 {a_AMV_VF_VIRT
, "virtual"},
2313 {a_AMV_VF_RDONLY
, "read-only"},
2314 {a_AMV_VF_NODEL
, "nodelete"},
2315 {a_AMV_VF_I3VAL
, "initial-value"},
2316 {a_AMV_VF_DEFVAL
, "default-value"},
2317 {a_AMV_VF_IMPORT
, "import-environ-first\0"}, /* assert NUL in max */
2318 {a_AMV_VF_ENV
, "sync-environ"},
2319 {a_AMV_VF_NOLOPTS
, "no-localopts"},
2320 {a_AMV_VF_NOTEMPTY
, "notempty"},
2321 {a_AMV_VF_NUM
, "number"},
2322 {a_AMV_VF_POSNUM
, "positive-number"},
2323 {a_AMV_VF_OBSOLETE
, "obsoleted"},
2325 assert(!isset
|| ((avp
->av_flags
& a_AMV_VF__MASK
) ==
2326 (avc
.avc_map
->avm_flags
& a_AMV_VF__MASK
)));
2328 for(tp
= tbase
; PTRCMP(tp
, <, &tbase
[n_NELEM(tbase
)]); ++tp
)
2329 if(isset
? (avp
->av_flags
& tp
->flag
)
2330 : (avc
.avc_map
->avm_flags
& tp
->flag
)){
2331 msgp
= n_string_push_c(msgp
, (i
++ == 0 ? '#' : ','));
2332 msgp
= n_string_push_cp(msgp
, tp
->msg
);
2334 if((tp
->flag
== a_AMV_VF_CHAIN
) &&
2335 (avp
->av_flags
& a_AMV_VF_EXT_CHAIN
))
2336 msgp
= n_string_push_cp(msgp
, " (extension)");
2342 if(avp
->av_flags
& a_AMV_VF_EXT_FROZEN
){
2343 msgp
= n_string_push_c(msgp
, (i
++ == 0 ? '#' : ','));
2344 msgp
= n_string_push_cp(msgp
, "(un)?set via -S");
2349 msgp
= n_string_push_cp(msgp
, "\n ");
2352 /* (Read-only variables are generally shown via comments..) */
2353 if(!isset
|| (avp
->av_flags
& a_AMV_VF_RDONLY
)){
2354 msgp
= n_string_push_c(msgp
, n_ns
[0]);
2356 if(avc
.avc_map
!= NULL
&& (avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
))
2357 msgp
= n_string_push_cp(msgp
, "boolean; ");
2358 msgp
= n_string_push_cp(msgp
, "variable not set: ");
2359 msgp
= n_string_push_cp(msgp
, n_shexp_quote_cp(name
, FAL0
));
2364 n_UNINIT(quote
, NULL
);
2365 if(!(avp
->av_flags
& a_AMV_VF_BOOL
)){
2366 quote
= n_shexp_quote_cp(avp
->av_value
, TRU1
);
2367 if(strcmp(quote
, avp
->av_value
))
2368 msgp
= n_string_push_cp(msgp
, "wysh ");
2369 }else if(n_poption
& n_PO_D_V
)
2370 msgp
= n_string_push_cp(msgp
, "wysh "); /* (for shell-style comment) */
2372 if(avp
->av_flags
& a_AMV_VF_EXT_LINKED
)
2373 msgp
= n_string_push_cp(msgp
, "environ ");
2374 msgp
= n_string_push_cp(msgp
, "set ");
2375 msgp
= n_string_push_cp(msgp
, name
);
2377 if(!(avp
->av_flags
& a_AMV_VF_BOOL
)){
2378 msgp
= n_string_push_c(msgp
, '=');
2379 msgp
= n_string_push_cp(msgp
, quote
);
2380 }else if(n_poption
& n_PO_D_V
)
2381 msgp
= n_string_push_cp(msgp
, " #boolean");
2384 msgp
= n_string_push_c(msgp
, '\n');
2385 fputs(n_string_cp(msgp
), fp
);
2387 return (i
> 0 ? 2 : 1);
2391 a_amv_var_c_set(char **ap
, enum a_amv_var_setclr_flags avscf
){
2392 char *cp
, *cp2
, *varbuf
, c
;
2398 while((cp
= *ap
++) != NULL
){
2400 cp2
= varbuf
= n_autorec_alloc(strlen(cp
) +1);
2402 for(; (c
= *cp
) != '=' && c
!= '\0'; ++cp
){
2403 if(cntrlchar(c
) || spacechar(c
)){
2404 n_err(_("Variable name with control or space character ignored: "
2413 cp
= n_UNCONST(n_empty
);
2418 n_err(_("Empty variable name ignored\n"));
2421 struct a_amv_var_carrier avc
;
2424 if((isunset
= (varbuf
[0] == 'n' && varbuf
[1] == 'o')))
2425 varbuf
= &varbuf
[2];
2427 a_amv_var_revlookup(&avc
, varbuf
, TRU1
);
2429 if((avscf
& a_AMV_VSETCLR_LOCAL
) && avc
.avc_map
!= NULL
){
2430 if(n_poption
& n_PO_D_V
)
2431 n_err(_("Builtin variable not overwritten by `local': %s\n"),
2435 errs
+= !a_amv_var_clear(&avc
, avscf
);
2437 errs
+= !a_amv_var_set(&avc
, cp
, avscf
);
2452 if((args
= v
)[0] == NULL
){
2453 rv
= (a_amv_mac_show(a_AMV_MF_NONE
) == FAL0
);
2457 if(args
[1] == NULL
|| args
[1][0] != '{' || args
[1][1] != '\0' ||
2459 n_err(_("Synopsis: define: <name> {\n"));
2463 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_NONE
) == FAL0
);
2470 c_undefine(void *v
){
2478 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_NONE
);
2479 while(*++args
!= NULL
);
2489 rv
= a_amv_mac_call(vp
, FAL0
);
2495 c_call_if(void *vp
){
2499 rv
= a_amv_mac_call(vp
, TRU1
);
2506 struct a_amv_mac_call_args
*amcap
;
2507 struct a_amv_mac
*amp
;
2509 int rv
, i
, oqf
, nqf
;
2514 if((args
= v
)[0] == NULL
){
2515 rv
= (a_amv_mac_show(a_AMV_MF_ACCOUNT
) == FAL0
);
2519 if(args
[1] && args
[1][0] == '{' && args
[1][1] == '\0'){
2520 if(args
[2] != NULL
){
2521 n_err(_("Synopsis: account: <name> {\n"));
2524 if(!asccasecmp(args
[0], ACCOUNT_NULL
)){
2525 n_err(_("`account': cannot use reserved name: %s\n"),
2529 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_ACCOUNT
) == FAL0
);
2533 if(n_pstate
& n_PS_HOOK_MASK
){
2534 n_err(_("`account': cannot change account from within a hook\n"));
2538 save_mbox_for_possible_quitstuff();
2541 if(asccasecmp(args
[0], ACCOUNT_NULL
) != 0 &&
2542 (amp
= a_amv_mac_lookup(args
[0], NULL
, a_AMV_MF_ACCOUNT
)) == NULL
){
2543 n_err(_("`account': account does not exist: %s\n"), args
[0]);
2547 oqf
= savequitflags();
2549 /* Shutdown the active account */
2550 if(a_amv_acc_curr
!= NULL
){
2554 /* Is there a cleanup hook? */
2555 var
= savecat("on-account-cleanup-", a_amv_acc_curr
->am_name
);
2556 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
||
2557 (cp
= ok_vlook(on_account_cleanup
)) != NULL
){
2558 struct a_amv_mac
*amphook
;
2560 if((amphook
= a_amv_mac_lookup(cp
, NULL
, a_AMV_MF_NONE
)) != NULL
){
2561 amcap
= n_lofi_alloc(sizeof *amcap
);
2562 memset(amcap
, 0, sizeof *amcap
);
2563 amcap
->amca_name
= cp
;
2564 amcap
->amca_amp
= amphook
;
2565 amcap
->amca_unroller
= &a_amv_acc_curr
->am_lopts
;
2566 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2567 amcap
->amca_no_xcall
= TRU1
;
2568 n_pstate
|= n_PS_HOOK
;
2569 rv
= a_amv_mac_exec(amcap
);
2570 n_pstate
&= ~n_PS_HOOK_MASK
;
2572 n_err(_("*on-account-leave* hook %s does not exist\n"),
2573 n_shexp_quote_cp(cp
, FAL0
));
2577 if(a_amv_acc_curr
->am_lopts
!= NULL
)
2578 a_amv_lopts_unroll(&a_amv_acc_curr
->am_lopts
);
2580 /* For accounts this lingers */
2581 --a_amv_acc_curr
->am_refcnt
;
2582 if(a_amv_acc_curr
->am_flags
& a_AMV_MF_DELETE
)
2583 a_amv_mac_free(a_amv_acc_curr
);
2586 a_amv_acc_curr
= amp
;
2588 /* And switch to any non-"null" account */
2590 assert(amp
->am_lopts
== NULL
);
2591 amcap
= n_lofi_alloc(sizeof *amcap
);
2592 memset(amcap
, 0, sizeof *amcap
);
2593 amcap
->amca_name
= amp
->am_name
;
2594 amcap
->amca_amp
= amp
;
2595 amcap
->amca_unroller
= &
->am_lopts
;
2596 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2597 amcap
->amca_no_xcall
= TRU1
;
2598 ++amp
->am_refcnt
; /* We may not run 0 to avoid being deleted! */
2599 if(!a_amv_mac_exec(amcap
)){
2600 /* XXX account switch incomplete, unroll? */
2601 n_err(_("`account': failed to switch to account: %s\n"), amp
->am_name
);
2606 n_PS_ROOT_BLOCK((amp
!= NULL
? ok_vset(account
, amp
->am_name
)
2607 : ok_vclear(account
)));
2609 /* Otherwise likely initial setfile() in a_main_rcv_mode() will pick up */
2610 if(n_psonce
& n_PSO_STARTED
){
2611 assert(!(n_pstate
& n_PS_HOOK_MASK
));
2612 nqf
= savequitflags(); /* TODO obsolete (leave -> void -> new box!) */
2613 restorequitflags(oqf
);
2614 i
= setfile("%", FEDIT_SYSBOX
| FEDIT_ACCOUNT
);
2615 restorequitflags(nqf
);
2618 temporary_folder_hook_check(FAL0
);
2619 if(i
!= 0 && !ok_blook(emptystart
)) /* Avoid annoying "double message" */
2621 n_folder_announce(n_ANNOUNCE_CHANGE
);
2630 c_unaccount(void *v
){
2638 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_ACCOUNT
);
2639 while(*++args
!= NULL
);
2645 c_localopts(void *vp
){
2646 enum a_amv_loflags alf
, alm
;
2653 if(a_amv_lopts
== NULL
){
2654 n_err(_("Cannot use `localopts' in this context\n"));
2658 if((argv
= vp
)[1] == NULL
|| is_asccaseprefix((++argv
)[-1], "scope"))
2659 alf
= alm
= a_AMV_LF_SCOPE
;
2660 else if(is_asccaseprefix(argv
[-1], "call"))
2661 alf
= a_AMV_LF_CALL
, alm
= a_AMV_LF_CALL_MASK
;
2662 else if(is_asccaseprefix(argv
[-1], "call-fixate"))
2663 alf
= a_AMV_LF_CALL_FIXATE
, alm
= a_AMV_LF_CALL_MASK
;
2666 n_err(_("Synopsis: localopts: [<scope|call|call-fixate>] <boolean>\n"));
2670 if(alf
== a_AMV_LF_SCOPE
&&
2671 (a_amv_lopts
->as_loflags
& a_AMV_LF_SCOPE_FIXATE
)){
2672 if(n_poption
& n_PO_D_V
)
2673 n_err(_("Cannot turn off `localopts', setting is fixated\n"));
2677 if((rv
= n_boolify(*argv
, UIZ_MAX
, FAL0
)) < FAL0
)
2679 a_amv_lopts
->as_loflags
&= ~alm
;
2681 a_amv_lopts
->as_loflags
|= alf
;
2689 c_shift(void *vp
){ /* xxx move to bottom, not in macro part! */
2690 struct a_amv_pospar
*appp
;
2697 if((vp
= *(char**)vp
) == NULL
)
2702 if((n_idec_si16_cp(&sib
, vp
, 10, NULL
2703 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2704 ) != n_IDEC_STATE_CONSUMED
|| sib
< 0){
2705 n_err(_("`shift': invalid argument: %s\n"), vp
);
2711 /* If in in a macro/xy */
2712 if(a_amv_lopts
!= NULL
){
2713 struct a_amv_mac
const *amp
;
2714 struct a_amv_mac_call_args
*amcap
;
2716 /* Explicitly do allow `vpospar' created things! */
2717 amp
= (amcap
= a_amv_lopts
->as_amcap
)->amca_amp
;
2718 if((amp
== NULL
|| amcap
->amca_ps_hook_mask
||
2719 (amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == a_AMV_MF_ACCOUNT
) &&
2720 amcap
->amca_pospar
.app_not_heap
){
2721 n_err(_("Cannot use `shift' in `account's or hook macros etc.\n"));
2724 appp
= &amcap
->amca_pospar
;
2726 appp
= &a_amv_pospar
;
2728 if(i
> appp
->app_count
){
2729 n_err(_("`shift': cannot shift %hu of %hu parameters\n"),
2730 i
, appp
->app_count
);
2734 appp
->app_count
-= i
;
2743 c_return(void *vp
){ /* TODO the exit status should be m_si64! */
2747 if(a_amv_lopts
!= NULL
){
2750 n_go_input_force_eof();
2751 n_pstate_err_no
= n_ERR_NONE
;
2754 if((argv
= vp
)[0] != NULL
){
2757 if((n_idec_si32_cp(&i
, argv
[0], 10, NULL
2758 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2759 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2762 n_err(_("`return': return value argument is invalid: %s\n"),
2764 n_pstate_err_no
= n_ERR_INVAL
;
2768 if(argv
[1] != NULL
){
2769 if((n_idec_si32_cp(&i
, argv
[1], 10, NULL
2770 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2771 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2772 n_pstate_err_no
= i
;
2774 n_err(_("`return': error number argument is invalid: %s\n"),
2776 n_pstate_err_no
= n_ERR_INVAL
;
2782 n_err(_("Can only use `return' in a macro\n"));
2783 n_pstate_err_no
= n_ERR_OPNOTSUPP
;
2791 temporary_folder_hook_check(bool_t nmail
){ /* TODO temporary, v15: drop */
2792 struct a_amv_mac_call_args
*amcap
;
2793 struct a_amv_mac
*amp
;
2801 var
= n_autorec_alloc(len
= strlen(mailname
) + sizeof("folder-hook-") -1 +1);
2803 /* First try the fully resolved path */
2804 snprintf(var
, len
, "folder-hook-%s", mailname
);
2805 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2808 /* If we are under *folder*, try the usual +NAME syntax, too */
2809 if(displayname
[0] == '+'){
2812 for(x
= &mailname
[len
]; x
!= mailname
; --x
)
2814 snprintf(var
, len
, "folder-hook-+%s", x
);
2815 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2821 /* Plain *folder-hook* is our last try */
2822 if((cp
= ok_vlook(folder_hook
)) == NULL
)
2826 if((amp
= a_amv_mac_lookup(cp
, NULL
, a_AMV_MF_NONE
)) == NULL
){
2827 n_err(_("Cannot call *folder-hook* for %s: macro does not exist: %s\n"),
2828 n_shexp_quote_cp(displayname
, FAL0
), cp
);
2833 amcap
= n_lofi_alloc(sizeof *amcap
);
2834 memset(amcap
, 0, sizeof *amcap
);
2835 amcap
->amca_name
= cp
;
2836 amcap
->amca_amp
= amp
;
2837 n_pstate
&= ~n_PS_HOOK_MASK
;
2839 amcap
->amca_unroller
= NULL
;
2840 n_pstate
|= n_PS_HOOK_NEWMAIL
;
2842 amcap
->amca_unroller
= &a_amv_folder_hook_lopts
;
2843 n_pstate
|= n_PS_HOOK
;
2845 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2846 amcap
->amca_ps_hook_mask
= TRU1
;
2847 amcap
->amca_no_xcall
= TRU1
;
2848 rv
= a_amv_mac_exec(amcap
);
2849 n_pstate
&= ~n_PS_HOOK_MASK
;
2857 temporary_folder_hook_unroll(void){ /* XXX intermediate hack */
2859 if(a_amv_folder_hook_lopts
!= NULL
){
2860 void *save
= a_amv_lopts
;
2863 a_amv_lopts_unroll(&a_amv_folder_hook_lopts
);
2864 assert(a_amv_folder_hook_lopts
== NULL
);
2871 temporary_compose_mode_hook_call(char const *macname
,
2872 void (*hook_pre
)(void *), void *hook_arg
){
2873 /* TODO compose_mode_hook_call() temporary, v15: generalize; see a_GO_SPLICE
2874 * TODO comment in go.c for the right way of doing things! */
2875 static struct a_amv_lostack
*cmh_losp
;
2876 struct a_amv_mac_call_args
*amcap
;
2877 struct a_amv_mac
*amp
;
2882 if(macname
== (char*)-1){
2883 a_amv_mac__finalize(cmh_losp
);
2885 }else if(macname
!= NULL
&&
2886 (amp
= a_amv_mac_lookup(macname
, NULL
, a_AMV_MF_NONE
)) == NULL
)
2887 n_err(_("Cannot call *on-compose-**: macro does not exist: %s\n"),
2890 amcap
= n_lofi_alloc(sizeof *amcap
);
2891 memset(amcap
, 0, sizeof *amcap
);
2892 amcap
->amca_name
= (macname
!= NULL
) ? macname
2893 : "*on-compose-splice(-shell)?*";
2894 amcap
->amca_amp
= amp
;
2895 amcap
->amca_unroller
= &a_amv_compose_lopts
;
2896 amcap
->amca_hook_pre
= hook_pre
;
2897 amcap
->amca_hook_arg
= hook_arg
;
2898 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2899 amcap
->amca_ps_hook_mask
= TRU1
;
2900 amcap
->amca_no_xcall
= TRU1
;
2901 n_pstate
&= ~n_PS_HOOK_MASK
;
2902 n_pstate
|= n_PS_HOOK
;
2904 a_amv_mac_exec(amcap
);
2906 cmh_losp
= n_lofi_alloc(sizeof *cmh_losp
);
2907 memset(cmh_losp
, 0, sizeof *cmh_losp
);
2908 cmh_losp
->as_global_saved
= a_amv_lopts
;
2909 cmh_losp
->as_lopts
= *(cmh_losp
->as_amcap
= amcap
)->amca_unroller
;
2910 cmh_losp
->as_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2911 a_amv_lopts
= cmh_losp
;
2918 temporary_compose_mode_hook_unroll(void){ /* XXX intermediate hack */
2920 if(a_amv_compose_lopts
!= NULL
){
2921 void *save
= a_amv_lopts
;
2924 a_amv_lopts_unroll(&a_amv_compose_lopts
);
2925 assert(a_amv_compose_lopts
== NULL
);
2932 n_var_is_user_writable(char const *name
){
2933 struct a_amv_var_carrier avc
;
2934 struct a_amv_var_map
const *avmp
;
2938 a_amv_var_revlookup(&avc
, name
, TRU1
);
2939 if((avmp
= avc
.avc_map
) == NULL
)
2942 rv
= ((avmp
->avm_flags
& (a_AMV_VF_BOOL
| a_AMV_VF_RDONLY
)) == 0);
2948 n_var_oklook(enum okeys okey
){
2949 struct a_amv_var_carrier avc
;
2951 struct a_amv_var_map
const *avmp
;
2954 memset(&avc
, 0, sizeof avc
);
2955 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2956 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2957 avc
.avc_hash
= avmp
->avm_hash
;
2958 avc
.avc_okey
= okey
;
2960 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
))
2961 rv
= avc
.avc_var
->av_value
;
2969 n_var_okset(enum okeys okey
, uintptr_t val
){
2970 struct a_amv_var_carrier avc
;
2972 struct a_amv_var_map
const *avmp
;
2975 memset(&avc
, 0, sizeof avc
);
2976 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2977 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2978 avc
.avc_hash
= avmp
->avm_hash
;
2979 avc
.avc_okey
= okey
;
2981 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
),
2982 a_AMV_VSETCLR_NONE
);
2988 n_var_okclear(enum okeys okey
){
2989 struct a_amv_var_carrier avc
;
2991 struct a_amv_var_map
const *avmp
;
2994 memset(&avc
, 0, sizeof avc
);
2995 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2996 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2997 avc
.avc_hash
= avmp
->avm_hash
;
2998 avc
.avc_okey
= okey
;
3000 rv
= a_amv_var_clear(&avc
, a_AMV_VSETCLR_NONE
);
3006 n_var_vlook(char const *vokey
, bool_t try_getenv
){
3007 struct a_amv_var_carrier avc
;
3011 a_amv_var_revlookup(&avc
, vokey
, FAL0
);
3013 switch((enum a_amv_var_special_category
)avc
.avc_special_cat
){
3014 default: /* silence CC */
3015 case a_AMV_VSC_NONE
:
3017 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_LOCAL
))
3018 rv
= avc
.avc_var
->av_value
;
3019 /* Only check the environment for something that is otherwise unknown */
3020 else if(try_getenv
&& avc
.avc_map
== NULL
&&
3021 !a_amv_var_revlookup_chain(&avc
, vokey
))
3024 case a_AMV_VSC_GLOBAL
:
3025 rv
= a_amv_var_vsc_global(&avc
);
3027 case a_AMV_VSC_MULTIPLEX
:
3028 rv
= a_amv_var_vsc_multiplex(&avc
);
3030 case a_AMV_VSC_POSPAR
:
3031 case a_AMV_VSC_POSPAR_ENV
:
3032 rv
= a_amv_var_vsc_pospar(&avc
);
3040 n_var_vexplode(void const **cookie
){
3041 struct a_amv_pospar
*appp
;
3044 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
3046 *cookie
= (appp
->app_count
> 0) ? &appp
->app_dat
[appp
->app_idx
] : NULL
;
3048 return (*cookie
!= NULL
);
3052 n_var_vset(char const *vokey
, uintptr_t val
){
3053 struct a_amv_var_carrier avc
;
3057 a_amv_var_revlookup(&avc
, vokey
, TRU1
);
3059 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
),
3060 a_AMV_VSETCLR_NONE
);
3066 n_var_vclear(char const *vokey
){
3067 struct a_amv_var_carrier avc
;
3071 a_amv_var_revlookup(&avc
, vokey
, FAL0
);
3073 ok
= a_amv_var_clear(&avc
, a_AMV_VSETCLR_NONE
);
3080 n_var_xoklook(enum okeys okey
, struct url
const *urlp
,
3081 enum okey_xlook_mode oxm
){
3082 struct a_amv_var_carrier avc
;
3083 struct str
const *us
;
3088 assert(oxm
& (OXM_PLAIN
| OXM_H_P
| OXM_U_H_P
));
3090 /* For simplicity: allow this case too */
3091 if(!(oxm
& (OXM_H_P
| OXM_U_H_P
))){
3096 memset(&avc
, 0, sizeof avc
);
3097 avc
.avc_name
= &a_amv_var_names
[(avc
.avc_map
= &a_amv_var_map
[okey
]
3099 avc
.avc_okey
= okey
;
3100 avc
.avc_is_chain_variant
= TRU1
;
3102 us
= (oxm
& OXM_U_H_P
) ? &urlp
->url_u_h_p
: &urlp
->url_h_p
;
3103 nlen
= strlen(avc
.avc_name
);
3104 nbuf
= n_lofi_alloc(nlen
+ 1 + us
->l
+1);
3105 memcpy(nbuf
, avc
.avc_name
, nlen
);
3107 /* One of .url_u_h_p and .url_h_p we test in here */
3109 memcpy(&nbuf
[nlen
], us
->s
, us
->l
+1);
3110 avc
.avc_name
= nbuf
;
3111 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
3112 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
))
3116 if((oxm
& (OXM_U_H_P
| OXM_H_P
)) == (OXM_U_H_P
| OXM_H_P
)){
3117 us
= &urlp
->url_h_p
;
3118 memcpy(&nbuf
[nlen
], us
->s
, us
->l
+1);
3119 avc
.avc_name
= nbuf
;
3120 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
3121 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
)){
3123 rv
= avc
.avc_var
->av_value
;
3129 /*avc.avc_is_chain_variant = FAL0;*/
3130 rv
= (oxm
& OXM_PLAIN
) ? n_var_oklook(okey
) : NULL
;
3137 #endif /* HAVE_SOCKETS */
3145 if(*(ap
= vp
) == NULL
){
3146 a_amv_var_show_all();
3149 enum a_amv_var_setclr_flags avscf
;
3151 if(!(n_pstate
& n_PS_ARGMOD_LOCAL
))
3152 avscf
= a_AMV_VSETCLR_NONE
;
3154 if(a_amv_lopts
== NULL
){
3155 n_err(_("`set': cannot use `local' in this context\n"));
3159 avscf
= a_AMV_VSETCLR_LOCAL
;
3161 err
= !a_amv_var_c_set(ap
, avscf
);
3170 struct a_amv_var_carrier avc
;
3173 enum a_amv_var_setclr_flags avscf
;
3176 if(!(n_pstate
& n_PS_ARGMOD_LOCAL
))
3177 avscf
= a_AMV_VSETCLR_NONE
;
3179 if(a_amv_lopts
== NULL
){
3180 n_err(_("`unset': cannot use `local' in this context\n"));
3184 avscf
= a_AMV_VSETCLR_LOCAL
;
3187 for(err
= 0, ap
= vp
; *ap
!= NULL
; ++ap
){
3188 a_amv_var_revlookup(&avc
, *ap
, FAL0
);
3190 err
|= !a_amv_var_clear(&avc
, avscf
);
3202 if(*(ap
= v
) == NULL
)
3205 struct n_string msg
, *msgp
= &msg
;
3207 msgp
= n_string_creat(msgp
);
3208 for(; *ap
!= NULL
; ++ap
)
3209 a_amv_var_show(*ap
, n_stdout
, msgp
);
3213 return (v
== NULL
? !STOP
: !OKAY
); /* xxx 1:bad 0:good -- do some */
3217 c_varedit(void *v
){ /* TODO v15 drop */
3218 struct a_amv_var_carrier avc
;
3222 sighandler_type sigint
;
3225 sigint
= safe_signal(SIGINT
, SIG_IGN
);
3227 for(err
= 0, argv
= v
; *argv
!= NULL
; ++argv
){
3228 a_amv_var_revlookup(&avc
, *argv
, TRU1
);
3230 if(avc
.avc_map
!= NULL
){
3231 if(avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
){
3232 n_err(_("`varedit': cannot edit boolean variable: %s\n"),
3236 if(avc
.avc_map
->avm_flags
& a_AMV_VF_RDONLY
){
3237 n_err(_("`varedit': cannot edit read-only variable: %s\n"),
3243 a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
);
3245 if((of
= Ftmp(NULL
, "varedit", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
3247 n_perr(_("`varedit': cannot create temporary file"), 0);
3250 }else if(avc
.avc_var
!= NULL
&& *(val
= avc
.avc_var
->av_value
) != '\0' &&
3251 sizeof *val
!= fwrite(val
, strlen(val
), sizeof *val
, of
)){
3252 n_perr(_("`varedit' failed to write old value to temporary file"), 0);
3259 nf
= n_run_editor(of
, (off_t
)-1, 'e', FAL0
, NULL
,NULL
, SEND_MBOX
, sigint
,
3269 if(UICMP(64, l
, >=, UIZ_MAX
-42)){
3270 n_err(_("`varedit': not enough memory to store variable: %s\n"),
3275 varres
= val
= n_autorec_alloc(l
+1);
3276 for(; l
> 0 && (c
= getc(nf
)) != EOF
; --l
)
3280 n_err(_("`varedit': I/O while reading new value of: %s\n"),
3286 if(!a_amv_var_set(&avc
, varres
, a_AMV_VSETCLR_NONE
))
3291 n_err(_("`varedit': cannot start $EDITOR\n"));
3297 safe_signal(SIGINT
, sigint
);
3304 struct a_amv_var_carrier avc
;
3310 if((islnk
= is_asccaseprefix(*(ap
= v
), "link")) ||
3311 is_asccaseprefix(*ap
, "unlink")){
3312 for(err
= 0; *++ap
!= NULL
;){
3313 a_amv_var_revlookup(&avc
, *ap
, TRU1
);
3315 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
) && (islnk
||
3316 (avc
.avc_var
->av_flags
& a_AMV_VF_EXT_LINKED
))){
3318 avc
.avc_var
->av_flags
&= ~a_AMV_VF_EXT_LINKED
;
3320 }else if(avc
.avc_var
->av_flags
&
3321 (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
)){
3322 if(n_poption
& n_PO_D_V
)
3323 n_err(_("`environ': link: already established: %s\n"), *ap
);
3326 avc
.avc_var
->av_flags
|= a_AMV_VF_EXT_LINKED
;
3327 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_ENV
))
3328 a_amv_var__putenv(&avc
, avc
.avc_var
);
3330 n_err(_("`environ': unlink: no link established: %s\n"), *ap
);
3333 char const *evp
= getenv(*ap
);
3336 err
|= !a_amv_var_set(&avc
, evp
, a_AMV_VSETCLR_ENV
);
3338 n_err(_("`environ': link: cannot link to non-existent: %s\n"),
3344 }else if(is_asccaseprefix(*ap
, "set"))
3345 err
= !a_amv_var_c_set(++ap
, a_AMV_VSETCLR_ENV
);
3346 else if(is_asccaseprefix(*ap
, "unset")){
3347 for(err
= 0; *++ap
!= NULL
;){
3348 a_amv_var_revlookup(&avc
, *ap
, FAL0
);
3350 if(!a_amv_var_clear(&avc
, a_AMV_VSETCLR_ENV
))
3354 n_err(_("Synopsis: environ: <link|set|unset> <variable>...\n"));
3362 c_vexpr(void *v
){ /* TODO POSIX expr(1) comp. exit status; overly complicat. */
3363 char pbase
, op
, iencbuf
[2+1/* BASE# prefix*/ + n_IENC_BUFFER_SIZE
+ 1];
3365 enum n_idec_state ids
;
3366 enum n_idec_mode idm
;
3368 char const **argv
, *varname
, *varres
, *cp
;
3371 a_SOFTOVERFLOW
= 1u<<1,
3373 a_ISDECIMAL
= 1u<<3, /* Print only decimal result */
3374 a_SATURATED
= 1u<<4,
3376 a_UNSIGNED_OP
= 1u<<6, /* Unsigned right shift (share bit ok) */
3377 a_PBASE
= 1u<<7, /* Print additional number base */
3384 varname
= (n_pstate
& n_PS_ARGMOD_VPUT
) ? *argv
++ : NULL
;
3385 n_UNINIT(varres
, n_empty
);
3386 n_UNINIT(pbase
, '\0');
3388 if((cp
= argv
[0])[0] == '\0')
3398 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3401 if(*(cp
= *++argv
) == '\0')
3404 idm
= ((*cp
== 'u' || *cp
== 'U')
3405 ? (++cp
, n_IDEC_MODE_NONE
)
3406 : ((*cp
== 's' || *cp
== 'S')
3407 ? (++cp
, n_IDEC_MODE_SIGNED_TYPE
)
3408 : n_IDEC_MODE_SIGNED_TYPE
|
3409 n_IDEC_MODE_POW2BASE_UNSIGNED
));
3410 if(((ids
= n_idec_cp(&lhv
, cp
, 0, idm
, NULL
)
3411 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3412 ) != n_IDEC_STATE_CONSUMED
){
3413 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
3415 f
|= a_SOFTOVERFLOW
;
3433 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3438 if(*(cp
= *++argv
) == '\0')
3441 idm
= ((*cp
== 'u' || *cp
== 'U')
3442 ? (++cp
, n_IDEC_MODE_NONE
)
3443 : ((*cp
== 's' || *cp
== 'S')
3444 ? (++cp
, n_IDEC_MODE_SIGNED_TYPE
)
3445 : n_IDEC_MODE_SIGNED_TYPE
|
3446 n_IDEC_MODE_POW2BASE_UNSIGNED
));
3447 if(((ids
= n_idec_cp(&lhv
, cp
, 0, idm
, NULL
)
3448 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3449 ) != n_IDEC_STATE_CONSUMED
){
3450 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
3452 f
|= a_SOFTOVERFLOW
;
3457 if(*(cp
= *++argv
) == '\0')
3460 idm
= ((*cp
== 'u' || *cp
== 'U')
3461 ? (++cp
, n_IDEC_MODE_NONE
)
3462 : ((*cp
== 's' || *cp
== 'S')
3463 ? (++cp
, n_IDEC_MODE_SIGNED_TYPE
)
3464 : n_IDEC_MODE_SIGNED_TYPE
|
3465 n_IDEC_MODE_POW2BASE_UNSIGNED
));
3466 if(((ids
= n_idec_cp(&rhv
, cp
, 0, idm
, NULL
)
3467 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3468 ) != n_IDEC_STATE_CONSUMED
){
3469 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
3471 f
|= a_SOFTOVERFLOW
;
3482 if(rhv
!= SI64_MIN
){
3487 goto jenum_plusminus
;
3492 }else if(SI64_MAX
- rhv
< lhv
)
3493 goto jenum_plusminus
;
3498 if(rhv
!= SI64_MIN
){
3503 goto jenum_plusminus
;
3508 }else if(SI64_MIN
+ rhv
> lhv
){
3510 if(!(f
& a_SATURATED
))
3511 goto jenum_overflow
;
3512 f
|= a_SOFTOVERFLOW
;
3513 lhv
= (lhv
< 0 || xop
== '-') ? SI64_MIN
: SI64_MAX
;
3519 /* Will the result be positive? */
3520 if((lhv
< 0) == (rhv
< 0)){
3525 if(rhv
!= 0 && lhv
!= 0 && SI64_MAX
/ rhv
> lhv
){
3526 if(!(f
& a_SATURATED
))
3527 goto jenum_overflow
;
3528 f
|= a_SOFTOVERFLOW
;
3534 if(lhv
!= 0 && SI64_MIN
/ lhv
< rhv
){
3535 if(!(f
& a_SATURATED
))
3536 goto jenum_overflow
;
3537 f
|= a_SOFTOVERFLOW
;
3542 if(rhv
!= 0 && lhv
!= 0 && SI64_MIN
/ rhv
< lhv
){
3543 if(!(f
& a_SATURATED
))
3544 goto jenum_overflow
;
3545 f
|= a_SOFTOVERFLOW
;
3554 if(!(f
& a_SATURATED
))
3556 f
|= a_SOFTOVERFLOW
;
3563 if(!(f
& a_SATURATED
))
3565 f
|= a_SOFTOVERFLOW
;
3585 if(rhv
> 63){ /* xxx 63? */
3586 if(!(f
& a_SATURATED
))
3587 goto jenum_overflow
;
3592 else if(f
& a_UNSIGNED_OP
)
3593 lhv
= (ui64_t
)lhv
>> (ui8_t
)rhv
;
3603 }else if(cp
[0] == '<'){
3607 n_OBSOLETE(_("`vexpr': please use @ modifier as prefix not suffix"));
3616 }else if(cp
[0] == '>'){
3624 n_OBSOLETE(_("`vexpr': please use @ modifier as prefix not suffix"));
3633 }else if(cp
[2] == '\0' && cp
[1] == '@'){
3634 n_OBSOLETE(_("`vexpr': please use @ modifier as prefix, not suffix"));
3638 }else if(cp
[0] == '@'){
3652 if(*cp
!= '>' || *++cp
!= '\0')
3663 }else if(is_asccaseprefix(cp
, "pbase")){
3664 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3667 if(((ids
= n_idec_si8_cp(&pbase
, argv
[1], 0, NULL
)
3668 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3669 ) != n_IDEC_STATE_CONSUMED
|| pbase
< 2 || pbase
> 36)
3673 op
= *(argv
[0] = cp
= "=");
3677 }else if(is_asccaseprefix(cp
, "length")){
3678 f
|= a_ISNUM
| a_ISDECIMAL
;
3679 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3682 i
= strlen(*++argv
);
3683 if(UICMP(64, i
, >, SI64_MAX
))
3684 goto jestr_overflow
;
3686 }else if(is_asccaseprefix(cp
, "hash")){
3687 f
|= a_ISNUM
| a_ISDECIMAL
;
3688 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3691 i
= n_torek_hash(*++argv
);
3693 }else if(is_asccaseprefix(cp
, "find")){
3694 f
|= a_ISNUM
| a_ISDECIMAL
;
3695 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3698 if((cp
= strstr(argv
[1], argv
[2])) == NULL
)
3700 i
= PTR2SIZE(cp
- argv
[1]);
3701 if(UICMP(64, i
, >, SI64_MAX
))
3702 goto jestr_overflow
;
3704 }else if(is_asccaseprefix(cp
, "ifind")){
3705 f
|= a_ISNUM
| a_ISDECIMAL
;
3706 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3709 if((cp
= asccasestr(argv
[1], argv
[2])) == NULL
)
3711 i
= PTR2SIZE(cp
- argv
[1]);
3712 if(UICMP(64, i
, >, SI64_MAX
))
3713 goto jestr_overflow
;
3715 }else if(is_asccaseprefix(cp
, "substring")){
3716 if(argv
[1] == NULL
|| argv
[2] == NULL
)
3718 if(argv
[3] != NULL
&& argv
[4] != NULL
)
3721 i
= strlen(varres
= *++argv
);
3723 if(*(cp
= *++argv
) == '\0')
3725 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3726 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3727 ) != n_IDEC_STATE_CONSUMED
)
3728 goto jestr_numrange
;
3730 if(UICMP(64, i
, <, -lhv
))
3731 goto jesubstring_off
;
3734 if(UICMP(64, i
, >=, lhv
)){
3739 if(n_poption
& n_PO_D_V
)
3740 n_err(_("`vexpr': substring: offset argument too large: %s\n"),
3741 n_shexp_quote_cp(argv
[-1], FAL0
));
3742 f
|= a_SOFTOVERFLOW
;
3745 if(argv
[1] != NULL
){
3746 if(*(cp
= *++argv
) == '\0')
3748 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3749 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3750 ) != n_IDEC_STATE_CONSUMED
)
3751 goto jestr_numrange
;
3753 if(UICMP(64, i
, <, -lhv
))
3754 goto jesubstring_len
;
3757 if(UICMP(64, i
, >=, lhv
)){
3758 if(UICMP(64, i
, !=, lhv
))
3759 varres
= savestrbuf(varres
, (size_t)lhv
);
3762 if(n_poption
& n_PO_D_V
)
3763 n_err(_("`vexpr': substring: length argument too large: %s\n"),
3764 n_shexp_quote_cp(argv
[-2], FAL0
));
3765 f
|= a_SOFTOVERFLOW
;
3768 }else if(is_asccaseprefix(cp
, "trim")) Jtrim
: {
3770 enum n_str_trim_flags stf
;
3772 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3775 if(is_asccaseprefix(cp
, "trim-front"))
3776 stf
= n_STR_TRIM_FRONT
;
3777 else if(is_asccaseprefix(cp
, "trim-end"))
3778 stf
= n_STR_TRIM_END
;
3780 stf
= n_STR_TRIM_BOTH
;
3782 trim
.l
= strlen(trim
.s
= n_UNCONST(argv
[1]));
3783 (void)n_str_trim(&trim
, stf
);
3784 varres
= savestrbuf(trim
.s
, trim
.l
);
3785 }else if(is_asccaseprefix(cp
, "trim-front"))
3787 else if(is_asccaseprefix(cp
, "trim-end"))
3789 else if(is_asccaseprefix(cp
, "random")){
3790 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3793 if((n_idec_si64_cp(&lhv
, argv
[1], 0, NULL
3794 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3795 ) != n_IDEC_STATE_CONSUMED
|| lhv
< 0 || lhv
> PATH_MAX
)
3796 goto jestr_numrange
;
3799 varres
= n_random_create_cp((size_t)lhv
, NULL
);
3800 }else if(is_asccaseprefix(cp
, "file-expand")){
3801 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3804 if((varres
= fexpand(argv
[1], FEXP_NVAR
| FEXP_NOPROTO
)) == NULL
)
3806 }else if(is_asccaseprefix(cp
, "makeprint")){
3807 struct str sin
, sout
;
3809 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3812 /* XXX using strlen for `vexpr makeprint' is wrong for UTF-16 */
3813 sin
.l
= strlen(sin
.s
= n_UNCONST(argv
[1]));
3814 makeprint(&sin
, &sout
);
3815 varres
= savestrbuf(sout
.s
, sout
.l
);
3817 /* TODO `vexpr': (wide) string length, find, etc!! */
3819 }else if(is_asccaseprefix(cp
, "regex")) Jregex
:{
3820 regmatch_t rema
[1 + n_VEXPR_REGEX_MAX
];
3824 f
|= a_ISNUM
| a_ISDECIMAL
;
3825 if(argv
[1] == NULL
|| argv
[2] == NULL
||
3826 (argv
[3] != NULL
&& argv
[4] != NULL
))
3829 reflrv
= REG_EXTENDED
;
3831 reflrv
|= REG_ICASE
;
3832 if((reflrv
= regcomp(&re
, argv
[2], reflrv
))){
3833 n_err(_("`vexpr': invalid regular expression: %s: %s\n"),
3834 n_shexp_quote_cp(argv
[2], FAL0
), n_regex_err_to_doc(NULL
, reflrv
));
3836 n_pstate_err_no
= n_ERR_INVAL
;
3839 reflrv
= regexec(&re
, argv
[1], n_NELEM(rema
), rema
, 0);
3841 if(reflrv
== REG_NOMATCH
)
3844 /* Search only? Else replace, which is a bit */
3845 if(argv
[3] == NULL
){
3846 if(UICMP(64, rema
[0].rm_so
, >, SI64_MAX
))
3847 goto jestr_overflow
;
3848 lhv
= (si64_t
)rema
[0].rm_so
;
3850 /* We need to setup some kind of pseudo macro environment for this */
3851 struct a_amv_lostack los
;
3852 struct a_amv_mac_call_args amca
;
3853 char const **reargv
;
3855 memset(&amca
, 0, sizeof amca
);
3856 amca
.amca_name
= savestrbuf(&argv
[1][rema
[0].rm_so
],
3857 rema
[0].rm_eo
- rema
[0].rm_so
);
3858 amca
.amca_amp
= a_AMV_MACKY_MACK
;
3859 for(i
= 1; i
< n_NELEM(rema
) && rema
[i
].rm_so
!= -1; ++i
)
3861 amca
.amca_pospar
.app_count
= (ui32_t
)i
- 1;
3862 amca
.amca_pospar
.app_not_heap
= TRU1
;
3863 amca
.amca_pospar
.app_dat
=
3864 reargv
= n_autorec_alloc(sizeof(char*) * i
);
3865 for(i
= 1; i
< n_NELEM(rema
) && rema
[i
].rm_so
!= -1; ++i
)
3866 *reargv
++ = savestrbuf(&argv
[1][rema
[i
].rm_so
],
3867 rema
[i
].rm_eo
- rema
[i
].rm_so
);
3870 memset(&los
, 0, sizeof los
);
3871 hold_all_sigs(); /* TODO DISLIKE! */
3872 los
.as_global_saved
= a_amv_lopts
;
3873 los
.as_amcap
= &amca
;
3874 los
.as_up
= los
.as_global_saved
;
3879 struct n_string s_b
;
3880 enum n_shexp_state shs
;
3882 templ
.s
= n_UNCONST(argv
[3]);
3884 shs
= n_shexp_parse_token((n_SHEXP_PARSE_LOG
|
3885 n_SHEXP_PARSE_IGNORE_EMPTY
| n_SHEXP_PARSE_QUOTE_AUTO_FIXED
|
3886 n_SHEXP_PARSE_QUOTE_AUTO_DSQ
),
3887 n_string_creat_auto(&s_b
), &templ
, NULL
);
3888 if((shs
& (n_SHEXP_STATE_ERR_MASK
| n_SHEXP_STATE_STOP
)
3889 ) == n_SHEXP_STATE_STOP
){
3890 varres
= n_string_cp(&s_b
);
3891 n_string_drop_ownership(&s_b
);
3896 a_amv_lopts
= los
.as_global_saved
;
3897 rele_all_sigs(); /* TODO DISLIKE! */
3901 f
&= ~(a_ISNUM
| a_ISDECIMAL
);
3903 }else if(is_asccaseprefix(argv
[0], "iregex")){
3906 #endif /* HAVE_REGEX */
3910 n_pstate_err_no
= (f
& a_SOFTOVERFLOW
) ? n_ERR_OVERFLOW
: n_ERR_NONE
;
3913 /* Generate the variable value content for numerics.
3914 * Anticipate in our handling below! (Don't do needless work) */
3916 if((f
& a_ISNUM
) && ((f
& (a_ISDECIMAL
| a_PBASE
)) || varname
!= NULL
)){
3917 cp
= n_ienc_buf(iencbuf
, lhv
, (f
& a_PBASE
? pbase
: 10),
3918 n_IENC_MODE_SIGNED_TYPE
);
3927 if(varname
== NULL
){
3928 /* If there was no error and we are printing a numeric result, print some
3929 * more bases for the fun of it */
3930 if((f
& (a_ERR
| a_ISNUM
| a_ISDECIMAL
)) == a_ISNUM
){
3931 char binabuf
[64 + 64 / 8 +1];
3934 for(j
= 1, i
= 0; i
< 64; ++i
){
3935 binabuf
[63 + 64 / 8 -j
- i
] = (lhv
& ((ui64_t
)1 << i
)) ? '1' : '0';
3936 if((i
& 7) == 7 && i
!= 63){
3938 binabuf
[63 + 64 / 8 -j
- i
] = ' ';
3941 binabuf
[64 + 64 / 8 -1] = '\0';
3943 if(fprintf(n_stdout
,
3944 "0b %s\n0%" PRIo64
" | 0x%" PRIX64
" | %" PRId64
"\n",
3945 binabuf
, lhv
, lhv
, lhv
) < 0 ||
3946 ((f
& a_PBASE
) && (assert(varres
!= NULL
),
3947 fprintf(n_stdout
, "%s\n", varres
) < 0))){
3948 n_pstate_err_no
= n_err_no
;
3951 }else if(varres
!= NULL
&& fprintf(n_stdout
, "%s\n", varres
) < 0){
3952 n_pstate_err_no
= n_err_no
;
3955 }else if(!n_var_vset(varname
, (uintptr_t)varres
)){
3956 n_pstate_err_no
= n_ERR_NOTSUP
;
3960 return (f
& a_ERR
) ? 1 : 0;
3963 f
= a_ERR
| a_ISNUM
;
3967 n_err(_("`vexpr': invalid subcommand: %s\n"),
3968 n_shexp_quote_cp(*argv
, FAL0
));
3969 n_pstate_err_no
= n_ERR_INVAL
;
3972 n_err(_("Synopsis: vexpr: <operator> <:argument:>\n"));
3973 n_pstate_err_no
= n_ERR_INVAL
;
3977 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3978 n_shexp_quote_cp(*argv
, FAL0
));
3979 n_pstate_err_no
= n_ERR_RANGE
;
3982 n_err(_("`vexpr': expression overflows datatype: %" PRId64
" %c %" PRId64
3983 "\n"), lhv
, op
, rhv
);
3984 n_pstate_err_no
= n_ERR_OVERFLOW
;
3988 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3989 n_shexp_quote_cp(*argv
, FAL0
));
3990 n_pstate_err_no
= n_ERR_RANGE
;
3993 n_err(_("`vexpr': string length or offset overflows datatype\n"));
3994 n_pstate_err_no
= n_ERR_OVERFLOW
;
3997 n_pstate_err_no
= n_ERR_NODATA
;
4008 struct n_cmd_arg
*cap
;
4010 struct a_amv_pospar
*appp
;
4019 struct n_cmd_arg_ctx
*cacp
;
4022 n_pstate_err_no
= n_ERR_NONE
;
4023 n_UNINIT(varres
, n_empty
);
4025 cap
= cacp
->cac_arg
;
4027 if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "set"))
4029 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "clear"))
4031 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "quote"))
4034 n_err(_("`vpospar': invalid subcommand: %s\n"),
4035 n_shexp_quote_cp(cap
->ca_arg
.ca_str
.s
, FAL0
));
4036 n_pstate_err_no
= n_ERR_INVAL
;
4042 if((f
& (a_CLEAR
| a_QUOTE
)) && cap
->ca_next
!= NULL
){
4043 n_err(_("`vpospar': `%s': takes no argument\n"), cap
->ca_arg
.ca_str
.s
);
4044 n_pstate_err_no
= n_ERR_INVAL
;
4051 /* If in a macro, we need to overwrite the local instead of global argv */
4052 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
4055 if(f
& (a_SET
| a_CLEAR
)){
4056 if(cacp
->cac_vput
!= NULL
)
4057 n_err(_("`vpospar': `vput' only supported for `quote' subcommand\n"));
4058 if(!appp
->app_not_heap
&& appp
->app_maxcount
> 0){
4059 for(i
= appp
->app_maxcount
; i
-- != 0;)
4060 n_free(n_UNCONST(appp
->app_dat
[i
]));
4061 n_free(appp
->app_dat
);
4063 memset(appp
, 0, sizeof *appp
);
4066 if((i
= cacp
->cac_no
) > a_AMV_POSPAR_MAX
){
4067 n_err(_("`vpospar': overflow: %" PRIuZ
" arguments!\n"), i
);
4068 n_pstate_err_no
= n_ERR_OVERFLOW
;
4073 memset(appp
, 0, sizeof *appp
);
4075 appp
->app_maxcount
= appp
->app_count
= (ui16_t
)i
;
4076 /* XXX Optimize: store it all in one chunk! */
4078 i
*= sizeof *appp
->app_dat
;
4079 appp
->app_dat
= n_alloc(i
);
4081 for(i
= 0; cap
!= NULL
; ++i
, cap
= cap
->ca_next
){
4082 appp
->app_dat
[i
] = n_alloc(cap
->ca_arg
.ca_str
.l
+1);
4083 memcpy(n_UNCONST(appp
->app_dat
[i
]), cap
->ca_arg
.ca_str
.s
,
4084 cap
->ca_arg
.ca_str
.l
+1);
4087 appp
->app_dat
[i
] = NULL
;
4091 if(appp
->app_count
== 0)
4095 struct n_string s
, *sp
;
4098 sp
= n_string_creat_auto(&s
);
4100 sep1
= *ok_vlook(ifs
);
4101 sep2
= *ok_vlook(ifs_ws
);
4107 for(i
= 0; i
< appp
->app_count
; ++i
){
4109 if(!n_string_can_book(sp
, 2))
4111 sp
= n_string_push_c(sp
, sep1
);
4113 sp
= n_string_push_c(sp
, sep2
);
4115 in
.l
= strlen(in
.s
= n_UNCONST(appp
->app_dat
[i
+ appp
->app_idx
]));
4117 if(!n_string_can_book(sp
, in
.l
)){
4119 n_err(_("`vpospar': overflow: string too long!\n"));
4120 n_pstate_err_no
= n_ERR_OVERFLOW
;
4124 sp
= n_shexp_quote(sp
, &in
, TRU1
);
4127 varres
= n_string_cp(sp
);
4130 if(cacp
->cac_vput
== NULL
){
4131 if(fprintf(n_stdout
, "%s\n", varres
) < 0){
4132 n_pstate_err_no
= n_err_no
;
4135 }else if(!n_var_vset(cacp
->cac_vput
, (uintptr_t)varres
)){
4136 n_pstate_err_no
= n_ERR_NOTSUP
;
4142 return (f
& a_ERR
) ? 1 : 0;