1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ Account, macro and variable handling.
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
6 *@ - update the manual!
7 *@ TODO . Improve support for chains so that we can apply the property checks
8 *@ TODO of the base variable to -HOST and -USER@HOST variants! Add some!!
9 *@ TODO Now with `local' modifier we need to be able to catch that, as well
10 *@ TODO as linked environment variables: both of which are not catched and
11 *@ TODO can be shadowed, which is documented for `set' - change on change!!
12 *@ TODO . `localopts' should act like an automatic permanent `scope' command
13 *@ TODO modifier! We need an OnScopeLeaveEvent, then.
14 *@ TODO Also see the a_GO_SPLICE comment in go.c.
15 *@ TODO . Optimize: with the dynamic hashmaps, and the object based approach
16 *@ TODO it should become possible to strip down the implementation again.
17 *@ TODO E.g., FREEZE is much too complicated: use an overlay object ptr,
18 *@ TODO UNLIKELY() it, and add a OnProgramStartupCompletedEvent to
19 *@ TODO incorporate what it tracks, then drop it. Etc.
20 *@ TODO Global -> Scope -> Local, all "overlay" objects.
22 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
23 * Copyright (c) 2012 - 2018 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
26 * Copyright (c) 1980, 1993
27 * The Regents of the University of California. All rights reserved.
29 * Redistribution and use in source and binary forms, with or without
30 * modification, are permitted provided that the following conditions
32 * 1. Redistributions of source code must retain the above copyright
33 * notice, this list of conditions and the following disclaimer.
34 * 2. Redistributions in binary form must reproduce the above copyright
35 * notice, this list of conditions and the following disclaimer in the
36 * documentation and/or other materials provided with the distribution.
37 * 3. Neither the name of the University nor the names of its contributors
38 * may be used to endorse or promote products derived from this software
39 * without specific prior written permission.
41 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54 #define n_FILE accmacvar
56 #ifndef HAVE_AMALGAMATION
60 #if !defined HAVE_SETENV && !defined HAVE_PUTENV
61 # error Exactly one of HAVE_SETENV and HAVE_PUTENV
64 /* Positional parameter maximum (macro arguments, `vexpr' "splitifs") */
65 #define a_AMV_POSPAR_MAX SI16_MAX
67 /* Special "pseudo macro" that stabs you from the back */
68 #define a_AMV_MACKY_MACK ((struct a_amv_mac*)-1)
70 /* Note: changing the hash function must be reflected in `vexpr' "hash",
71 * because that is used by the hashtable creator scripts! */
72 #define a_AMV_PRIME HSHSIZE
73 #define a_AMV_NAME2HASH(N) n_torek_hash(N)
74 #define a_AMV_HASH2PRIME(H) ((H) % a_AMV_PRIME)
78 a_AMV_MF_ACCOUNT
= 1u<<0, /* This macro is an `account' */
79 a_AMV_MF_TYPE_MASK
= a_AMV_MF_ACCOUNT
,
80 a_AMV_MF_UNDEF
= 1u<<1, /* Unlink after lookup */
81 a_AMV_MF_DELETE
= 1u<<7, /* Delete in progress, free once refcnt==0 */
87 a_AMV_LF_SCOPE
= 1u<<0, /* Current scope `localopts' on */
88 a_AMV_LF_SCOPE_FIXATE
= 1u<<1, /* Ditto, but fixated */
89 a_AMV_LF_SCOPE_MASK
= a_AMV_LF_SCOPE
| a_AMV_LF_SCOPE_FIXATE
,
90 a_AMV_LF_CALL
= 1u<<2, /* `localopts' on for `call'ed scopes */
91 a_AMV_LF_CALL_FIXATE
= 1u<<3, /* Ditto, but fixated */
92 a_AMV_LF_CALL_MASK
= a_AMV_LF_CALL
| a_AMV_LF_CALL_FIXATE
,
93 a_AMV_LF_CALL_TO_SCOPE_SHIFT
= 2
96 /* make-okey-map.pl ensures that _VIRT implies _RDONLY and _NODEL, and that
97 * _IMPORT implies _ENV; it doesn't verify anything...
98 * More description at nail.h:enum okeys */
102 /* The basic set of flags, also present in struct a_amv_var_map.avm_flags */
103 a_AMV_VF_BOOL
= 1u<<0, /* ok_b_* */
104 a_AMV_VF_CHAIN
= 1u<<1, /* Is variable chain (-USER{,@HOST} variants) */
105 a_AMV_VF_VIRT
= 1u<<2, /* "Stateless" automatic variable */
106 a_AMV_VF_VIP
= 1u<<3, /* Wants _var_check_vips() evaluation */
107 a_AMV_VF_RDONLY
= 1u<<4, /* May not be set by user */
108 a_AMV_VF_NODEL
= 1u<<5, /* May not be deleted */
109 a_AMV_VF_I3VAL
= 1u<<6, /* Has an initial value */
110 a_AMV_VF_DEFVAL
= 1u<<7, /* Has a default value */
111 a_AMV_VF_IMPORT
= 1u<<8, /* Import ONLY from env (pre n_PSO_STARTED) */
112 a_AMV_VF_ENV
= 1u<<9, /* Update environment on change */
113 a_AMV_VF_NOLOPTS
= 1u<<10, /* May not be tracked by `localopts' */
114 a_AMV_VF_NOTEMPTY
= 1u<<11, /* May not be assigned an empty value */
115 /* TODO _VF_NUM, _VF_POSNUM: we also need 64-bit limit numbers! */
116 a_AMV_VF_NUM
= 1u<<12, /* Value must be a 32-bit number */
117 a_AMV_VF_POSNUM
= 1u<<13, /* Value must be positive 32-bit number */
118 a_AMV_VF_LOWER
= 1u<<14, /* Values will be stored in lowercase version */
119 a_AMV_VF_OBSOLETE
= 1u<<15, /* Is obsolete? */
120 a_AMV_VF__MASK
= (1u<<(15+1)) - 1,
122 /* Extended flags, not part of struct a_amv_var_map.avm_flags */
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 struct a_amv_var_map
{
243 ui16_t avm_flags
; /* enum a_amv_var_flags without extended bits */
245 n_CTA(a_AMV_VF__MASK
<= UI16_MAX
, "Enumeration excesses storage datatype");
247 struct a_amv_var_virt
{
250 struct a_amv_var
const *avv_var
;
253 struct a_amv_var_defval
{
256 char const *avdv_value
; /* Only for !BOOL (otherwise plain existence) */
259 struct a_amv_var_carrier
{
260 char const *avc_name
;
263 struct a_amv_var
*avc_var
;
264 struct a_amv_var_map
const *avc_map
;
267 ui8_t avc_special_cat
;
268 /* Numerical parameter name if .avc_special_cat=a_AMV_VSC_POSPAR,
269 * otherwise a enum a_amv_var_special_type */
270 ui16_t avc_special_prop
;
273 /* Include constant make-okey-map.pl output, and the generated version data */
274 #include <gen-version.h>
275 #include <gen-okeys.h>
277 /* The currently active account */
278 static struct a_amv_mac
*a_amv_acc_curr
;
280 static struct a_amv_mac
*a_amv_macs
[a_AMV_PRIME
]; /* TODO dynamically spaced */
282 /* Unroll list of currently running macro stack */
283 static struct a_amv_lostack
*a_amv_lopts
;
285 static struct a_amv_var
*a_amv_vars
[a_AMV_PRIME
]; /* TODO dynamically spaced */
287 /* Global (i.e., non-local) a_AMV_VSC_POSPAR stack */
288 static struct a_amv_pospar a_amv_pospar
;
290 /* TODO We really deserve localopts support for *folder-hook*s, so hack it in
291 * TODO today via a static lostack, it should be a field in mailbox, once that
292 * TODO is a real multi-instance object */
293 static struct a_amv_var
*a_amv_folder_hook_lopts
;
295 /* TODO Rather ditto (except for storage -> cmd_ctx), compose hooks */
296 static struct a_amv_var
*a_amv_compose_lopts
;
298 /* Lookup for macros/accounts: if newamp is not NULL it will be linked in the
299 * map, if _MF_UNDEF is set a possibly existing entry will be removed (first).
300 * Returns NULL if a lookup failed, or if newamp was set, the found entry in
301 * plain lookup cases or when _UNDEF was performed on a currently active entry
302 * (the entry will have been unlinked, and the _MF_DELETE will be honoured once
303 * the reference count reaches 0), and (*)-1 if an _UNDEF was performed */
304 static struct a_amv_mac
*a_amv_mac_lookup(char const *name
,
305 struct a_amv_mac
*newamp
, enum a_amv_mac_flags amf
);
307 /* `call', `call_if' (and `xcall' via go.c -> c_call()) */
308 static int a_amv_mac_call(void *v
, bool_t silent_nexist
);
310 /* Execute a macro; amcap must reside in LOFI memory */
311 static bool_t
a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
);
313 static void a_amv_mac__finalize(void *vp
);
315 /* User display helpers */
316 static bool_t
a_amv_mac_show(enum a_amv_mac_flags amf
);
318 /* _def() returns error for faulty definitions and already existing * names,
319 * _undef() returns error if a named thing doesn't exist */
320 static bool_t
a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
);
321 static bool_t
a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
);
324 static void a_amv_mac_free(struct a_amv_mac
*amp
);
326 /* Update replay-log */
327 static void a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
328 struct a_amv_var
*oavp
);
329 static void a_amv_lopts_unroll(struct a_amv_var
**avpp
);
331 /* Special cased value string allocation */
332 static char *a_amv_var_copy(char const *str
);
333 static void a_amv_var_free(char *cp
);
335 /* Check for special housekeeping. _VIP_SET_POST and _VIP_CLEAR do not fail
336 * (or propagate errors), _VIP_SET_PRE may and should case abortion */
337 static bool_t
a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
,
338 enum okeys okey
, char const **val
);
340 /* _VF_NUM / _VF_POSNUM */
341 static bool_t
a_amv_var_check_num(char const *val
, bool_t posnum
);
343 /* If a variable name begins with a lowercase-character and contains at
344 * least one '@', it is converted to all-lowercase. This is necessary
345 * for lookups of names based on email addresses.
346 * Following the standard, only the part following the last '@' should
347 * be lower-cased, but practice has established otherwise here */
348 static char const *a_amv_var_canonify(char const *vn
);
350 /* Try to reverse lookup an option name to an enum okeys mapping.
351 * Updates .avc_name and .avc_hash; .avc_map is NULL if none found */
352 static bool_t
a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
,
355 /* Lookup a variable from .avc_(map|name|hash), return whether it was found.
356 * Sets .avc_prime; .avc_var is NULL if not found.
357 * Here it is where we care for _I3VAL and _DEFVAL.
358 * An _I3VAL will be "consumed" as necessary anyway, but it won't be used to
359 * create a new variable if _VLOOK_I3VAL_NONEW is set; if
360 * _VLOOK_I3VAL_NONEW_REPORT is set then we set .avc_var to -1 and return true
361 * if that was the case, otherwise we'll return FAL0, then! */
362 static bool_t
a_amv_var_lookup(struct a_amv_var_carrier
*avcp
,
363 enum a_amv_var_lookup_flags avlf
);
365 /* Lookup functions for special category variables, _pospar drives all
366 * positional parameter etc. special categories */
367 static char const *a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
);
368 static char const *a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
);
369 static char const *a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
);
371 /* Set var from .avc_(map|name|hash), return success */
372 static bool_t
a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
373 enum a_amv_var_setclr_flags avscf
);
375 static bool_t
a_amv_var__putenv(struct a_amv_var_carrier
*avcp
,
376 struct a_amv_var
*avp
);
378 /* Clear var from .avc_(map|name|hash); sets .avc_var=NULL, return success */
379 static bool_t
a_amv_var_clear(struct a_amv_var_carrier
*avcp
,
380 enum a_amv_var_setclr_flags avscf
);
382 static bool_t
a_amv_var__clearenv(char const *name
, struct a_amv_var
*avp
);
384 /* List all variables */
385 static void a_amv_var_show_all(void);
387 static int a_amv_var__show_cmp(void const *s1
, void const *s2
);
389 /* Actually do print one, return number of lines written */
390 static size_t a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
);
392 /* Shared c_set() and c_environ():set impl, return success */
393 static bool_t
a_amv_var_c_set(char **ap
, enum a_amv_var_setclr_flags avscf
);
395 static struct a_amv_mac
*
396 a_amv_mac_lookup(char const *name
, struct a_amv_mac
*newamp
,
397 enum a_amv_mac_flags amf
){
398 struct a_amv_mac
*amp
, **ampp
;
400 enum a_amv_mac_flags save_amf
;
404 amf
&= a_AMV_MF_TYPE_MASK
;
405 h
= a_AMV_NAME2HASH(name
);
406 h
= a_AMV_HASH2PRIME(h
);
407 ampp
= &a_amv_macs
[h
];
409 for(amp
= *ampp
; amp
!= NULL
; ampp
= &(*ampp
)->am_next
, amp
= amp
->am_next
){
410 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
&&
411 !strcmp(amp
->am_name
, name
)){
412 if(n_LIKELY((save_amf
& a_AMV_MF_UNDEF
) == 0))
415 *ampp
= amp
->am_next
;
417 if(amp
->am_refcnt
> 0){
418 amp
->am_flags
|= a_AMV_MF_DELETE
;
419 if(n_poption
& n_PO_D_V
)
420 n_err(_("Delayed deletion of currently active %s: %s\n"),
421 (amp
->am_flags
& a_AMV_MF_ACCOUNT
? "account" : "define"),
425 amp
= (struct a_amv_mac
*)-1;
432 ampp
= &a_amv_macs
[h
];
433 newamp
->am_next
= *ampp
;
443 a_amv_mac_call(void *v
, bool_t silent_nexist
){
444 struct a_amv_mac
*amp
;
447 struct n_cmd_arg_ctx
*cacp
;
452 if(cacp
->cac_no
== 0){
453 n_err(_("Synopsis: call(_if)?: name [:<arguments>:]\n"));
454 n_pstate_err_no
= n_ERR_INVAL
;
459 name
= cacp
->cac_arg
->ca_arg
.ca_str
.s
;
461 if(n_UNLIKELY(cacp
->cac_no
> a_AMV_POSPAR_MAX
)){
462 n_err(_("Too many arguments to macro `call': %s\n"), name
);
463 n_pstate_err_no
= n_ERR_OVERFLOW
;
465 }else if(n_UNLIKELY((amp
= a_amv_mac_lookup(name
, NULL
, a_AMV_MF_NONE
)
468 n_err(_("Undefined macro called: %s\n"), n_shexp_quote_cp(name
, FAL0
));
469 n_pstate_err_no
= n_ERR_NOENT
;
473 struct a_amv_mac_call_args
*amcap
;
476 argc
= cacp
->cac_no
+ 1;
477 amcap
= n_lofi_alloc(sizeof *amcap
+ (argc
* sizeof *argv
));
478 argv
= (void*)&amcap
[1];
480 for(argc
= 0; (cacp
->cac_arg
= cacp
->cac_arg
->ca_next
) != NULL
; ++argc
)
481 argv
[argc
] = cacp
->cac_arg
->ca_arg
.ca_str
.s
;
484 memset(amcap
, 0, sizeof *amcap
);
485 amcap
->amca_name
= name
;
486 amcap
->amca_amp
= amp
;
487 if(a_amv_lopts
!= NULL
)
488 amcap
->amca_loflags
= (a_amv_lopts
->as_loflags
& a_AMV_LF_CALL_MASK
489 ) >> a_AMV_LF_CALL_TO_SCOPE_SHIFT
;
491 amcap
->amca_pospar
.app_count
= (ui16_t
)argc
;
492 amcap
->amca_pospar
.app_not_heap
= TRU1
;
493 amcap
->amca_pospar
.app_dat
= argv
;
496 (void)a_amv_mac_exec(amcap
);
505 a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
){
506 struct a_amv_lostack
*losp
;
507 struct a_amv_mac_line
**amlp
;
508 char **args_base
, **args
;
509 struct a_amv_mac
*amp
;
513 amp
= amcap
->amca_amp
;
514 assert(amp
!= NULL
&& amp
!= a_AMV_MACKY_MACK
);
516 /* XXX Unfortunately we yet need to dup the macro lines! :( */
517 args_base
= args
= n_alloc(sizeof(*args
) * (amp
->am_line_cnt
+1));
518 for(amlp
= amp
->am_line_dat
; *amlp
!= NULL
; ++amlp
)
519 *(args
++) = sbufdup((*amlp
)->aml_dat
, (*amlp
)->aml_len
);
522 losp
= n_lofi_alloc(sizeof *losp
);
523 losp
->as_global_saved
= a_amv_lopts
;
524 if((losp
->as_amcap
= amcap
)->amca_unroller
== NULL
){
525 losp
->as_up
= losp
->as_global_saved
;
526 losp
->as_lopts
= NULL
;
529 losp
->as_lopts
= *amcap
->amca_unroller
;
531 losp
->as_loflags
= amcap
->amca_loflags
;
534 if(amcap
->amca_hook_pre
!= NULL
)
535 n_PS_ROOT_BLOCK((*amcap
->amca_hook_pre
)(amcap
->amca_hook_arg
));
536 rv
= n_go_macro((n_GO_INPUT_NONE
|
537 (amcap
->amca_no_xcall
? n_GO_INPUT_NO_XCALL
: 0)),
538 amp
->am_name
, args_base
, &a_amv_mac__finalize
, losp
);
544 a_amv_mac__finalize(void *vp
){
545 struct a_amv_mac
*amp
;
546 struct a_amv_mac_call_args
*amcap
;
547 struct a_amv_lostack
*losp
;
551 a_amv_lopts
= losp
->as_global_saved
;
553 amcap
= losp
->as_amcap
;
555 /* Delete positional parameter stack */
556 if(!amcap
->amca_pospar
.app_not_heap
&& amcap
->amca_pospar
.app_maxcount
> 0){
559 for(i
= amcap
->amca_pospar
.app_maxcount
; i
-- != 0;)
560 n_free(n_UNCONST(amcap
->amca_pospar
.app_dat
[i
]));
561 n_free(amcap
->amca_pospar
.app_dat
);
564 /* `local' variable hashmap. These have no environment map, never */
565 if(amcap
->amca_local_vars
!= NULL
){
566 struct a_amv_var
**avpp_base
, **avpp
, *avp
;
568 for(avpp_base
= *amcap
->amca_local_vars
, avpp
= &avpp_base
[a_AMV_PRIME
];
569 avpp
-- != avpp_base
;)
570 while((avp
= *avpp
)){
571 assert((avp
->av_flags
& (a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
)) ==
572 (a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
));
573 assert(!(avp
->av_flags
&
574 ((a_AMV_VF__MASK
| a_AMV_VF_EXT__MASK
) &
575 ~(a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
))));
576 *avpp
= avp
->av_link
;
577 a_amv_var_free(avp
->av_value
);
583 /* Unroll `localopts', if applicable */
584 if(amcap
->amca_unroller
== NULL
){
585 if(losp
->as_lopts
!= NULL
)
586 a_amv_lopts_unroll(&losp
->as_lopts
);
588 *amcap
->amca_unroller
= losp
->as_lopts
;
590 if(amcap
->amca_ps_hook_mask
)
591 n_pstate
&= ~n_PS_HOOK_MASK
;
593 if((amp
= amcap
->amca_amp
) != a_AMV_MACKY_MACK
&& amp
!= NULL
&&
594 --amp
->am_refcnt
== 0 && (amp
->am_flags
& a_AMV_MF_DELETE
))
603 a_amv_mac_show(enum a_amv_mac_flags amf
){
604 size_t lc
, mc
, ti
, i
;
612 if((fp
= Ftmp(NULL
, "deflist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
614 n_perr(_("`define' or `account' list: cannot create temporary file"), 0);
618 amf
&= a_AMV_MF_TYPE_MASK
;
619 typestr
= (amf
& a_AMV_MF_ACCOUNT
) ? "account" : "define";
621 for(lc
= mc
= ti
= 0; ti
< a_AMV_PRIME
; ++ti
){
622 struct a_amv_mac
*amp
;
624 for(amp
= a_amv_macs
[ti
]; amp
!= NULL
; amp
= amp
->am_next
){
625 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
626 struct a_amv_mac_line
**amlpp
;
633 fprintf(fp
, "%s %s {\n", typestr
, amp
->am_name
);
634 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++lc
, ++amlpp
){
635 for(i
= (*amlpp
)->aml_prespc
; i
> 0; --i
)
637 fputs((*amlpp
)->aml_dat
, fp
);
646 page_or_print(fp
, lc
);
648 rv
= (ferror(fp
) == 0);
656 a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
){
658 ui32_t line_cnt
, maxlen
;
660 struct linelist
*ll_next
;
661 struct a_amv_mac_line
*ll_amlp
;
662 } *llp
, *ll_head
, *ll_tail
;
663 union {size_t s
; int i
; ui32_t ui
; size_t l
;} n
;
664 struct a_amv_mac
*amp
;
668 memset(&line
, 0, sizeof line
);
672 /* TODO We should have our input state machine which emits Line events,
673 * TODO and hook different consumers dependent on our content, as stated
674 * TODO in i think lex_input: like this local macros etc. would become
675 * TODO possible from the input side */
676 /* Read in the lines which form the macro content */
677 for(ll_tail
= ll_head
= NULL
, line_cnt
= maxlen
= 0;;){
681 n
.i
= n_go_input(n_GO_INPUT_CTX_DEFAULT
| n_GO_INPUT_NL_ESC
, n_empty
,
682 &line
.s
, &line
.l
, NULL
, NULL
);
686 n_err(_("Unterminated %s definition: %s\n"),
687 (amf
& a_AMV_MF_ACCOUNT
? "account" : "macro"), name
);
691 /* Trim WS, remember amount of leading spaces for display purposes */
692 for(cp
= line
.s
, leaspc
= 0; n
.ui
> 0; ++cp
, --n
.ui
)
694 leaspc
= (leaspc
+ 8u) & ~7u;
699 for(; n
.ui
> 0 && spacechar(cp
[n
.ui
- 1]); --n
.ui
)
704 maxlen
= n_MAX(maxlen
, n
.ui
);
707 /* Is is the closing brace? */
711 if(n_LIKELY(++line_cnt
< UI32_MAX
)){
712 struct a_amv_mac_line
*amlp
;
714 llp
= n_autorec_alloc(sizeof *llp
);
718 ll_tail
->ll_next
= llp
;
721 llp
->ll_amlp
= amlp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_mac_line
,
723 amlp
->aml_len
= n
.ui
-1;
724 amlp
->aml_prespc
= leaspc
;
725 memcpy(amlp
->aml_dat
, cp
, n
.ui
);
727 n_err(_("Too much content in %s definition: %s\n"),
728 (amf
& a_AMV_MF_ACCOUNT
? "account" : "macro"), name
);
733 /* Create the new macro */
734 n
.s
= strlen(name
) +1;
735 amp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_mac
, am_name
) + n
.s
);
736 memset(amp
, 0, n_VSTRUCT_SIZEOF(struct a_amv_mac
, am_name
));
737 amp
->am_maxlen
= maxlen
;
738 amp
->am_line_cnt
= line_cnt
;
740 memcpy(amp
->am_name
, name
, n
.s
);
742 struct a_amv_mac_line
**amlpp
;
744 amp
->am_line_dat
= amlpp
= n_alloc(sizeof(*amlpp
) * ++line_cnt
);
745 for(llp
= ll_head
; llp
!= NULL
; llp
= llp
->ll_next
)
746 *amlpp
++ = llp
->ll_amlp
;
750 /* Create entry, replace a yet existing one as necessary */
751 a_amv_mac_lookup(name
, amp
, amf
| a_AMV_MF_UNDEF
);
760 for(llp
= ll_head
; llp
!= NULL
; llp
= llp
->ll_next
)
761 n_free(llp
->ll_amlp
);
764 * n_free(amp->am_line_dat);
771 a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
){
772 struct a_amv_mac
*amp
;
778 if(n_LIKELY(name
[0] != '*' || name
[1] != '\0')){
779 if((amp
= a_amv_mac_lookup(name
, NULL
, amf
| a_AMV_MF_UNDEF
)) == NULL
){
780 n_err(_("%s not defined: %s\n"),
781 (amf
& a_AMV_MF_ACCOUNT
? "Account" : "Macro"), name
);
785 struct a_amv_mac
**ampp
, *lamp
;
787 for(ampp
= a_amv_macs
; PTRCMP(ampp
, <, &a_amv_macs
[n_NELEM(a_amv_macs
)]);
789 for(lamp
= NULL
, amp
= *ampp
; amp
!= NULL
;){
790 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
791 /* xxx Expensive but rare: be simple */
792 a_amv_mac_lookup(amp
->am_name
, NULL
, amf
| a_AMV_MF_UNDEF
);
793 amp
= (lamp
== NULL
) ? *ampp
: lamp
->am_next
;
805 a_amv_mac_free(struct a_amv_mac
*amp
){
806 struct a_amv_mac_line
**amlpp
;
809 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++amlpp
)
811 n_free(amp
->am_line_dat
);
817 a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
818 struct a_amv_var
*oavp
){
819 struct a_amv_var
*avp
;
823 /* Propagate unrolling up the stack, as necessary */
826 if(alp
->as_loflags
& a_AMV_LF_SCOPE_MASK
)
828 if((alp
= alp
->as_up
) == NULL
)
832 /* Check whether this variable is handled yet XXX Boost: ID check etc.!! */
833 for(avp
= alp
->as_lopts
; avp
!= NULL
; avp
= avp
->av_link
)
834 if(!strcmp(avp
->av_name
, name
))
837 nl
= strlen(name
) +1;
838 vl
= (oavp
!= NULL
) ? strlen(oavp
->av_value
) +1 : 0;
839 avp
= n_calloc(1, n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + nl
+ vl
);
840 avp
->av_link
= alp
->as_lopts
;
843 avp
->av_value
= &avp
->av_name
[nl
];
844 avp
->av_flags
= oavp
->av_flags
;
845 memcpy(avp
->av_value
, oavp
->av_value
, vl
);
847 memcpy(avp
->av_name
, name
, nl
);
853 a_amv_lopts_unroll(struct a_amv_var
**avpp
){
854 struct a_amv_lostack
*save_alp
;
855 struct a_amv_var
*x
, *avp
;
861 save_alp
= a_amv_lopts
;
866 n_PS_ROOT_BLOCK(n_var_vset(x
->av_name
, (uintptr_t)x
->av_value
));
869 a_amv_lopts
= save_alp
;
874 a_amv_var_copy(char const *str
){
880 news
= n_UNCONST(n_empty
);
881 else if(str
[1] == '\0'){
883 news
= n_UNCONST(n_1
);
884 else if(str
[0] == '0')
885 news
= n_UNCONST(n_0
);
888 }else if(str
[2] == '\0' && str
[0] == '-' && str
[1] == '1')
889 news
= n_UNCONST(n_m1
);
892 len
= strlen(str
) +1;
894 memcpy(news
, str
, len
);
901 a_amv_var_free(char *cp
){
903 if(cp
[0] != '\0' && cp
!= n_0
&& cp
!= n_1
&& cp
!= n_m1
)
909 a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
, enum okeys okey
,
917 if(avvm
== a_AMV_VIP_SET_PRE
){
921 case ok_v_charset_7bit
:
922 case ok_v_charset_8bit
:
923 case ok_v_charset_unknown_8bit
:
924 case ok_v_ttycharset
:
925 if((*val
= n_iconv_normalize_name(*val
)) == NULL
)
928 case ok_v_customhdr
:{
931 struct n_header_field
*hflp
, **hflpp
, *hfp
;
938 while((vp
= n_strsep_esc(&buf
, ',', TRU1
)) != NULL
){
939 if(!n_header_add_custom(hflpp
, vp
, TRU1
)){
940 emsg
= N_("Invalid *customhdr* entry: %s\n");
944 hflpp
= &(*hflpp
)->hf_next
;
947 hflpp
= ok
? &n_customhdr_list
: &hflp
;
948 while((hfp
= *hflpp
) != NULL
){
949 *hflpp
= hfp
->hf_next
;
954 n_customhdr_list
= hflp
;
960 if((np
= lextract(*val
, GEXTRA
| GFULL
)) == NULL
){
962 emsg
= N_("*from* / *sender*: invalid address(es): %s\n");
964 }else if(okey
== ok_v_sender
&& np
->n_flink
!= NULL
){
965 emsg
= N_("*sender*: may not contain multiple addresses: %s\n");
967 }else for(; np
!= NULL
; np
= np
->n_flink
)
968 if(is_addr_invalid(np
, EACM_STRICT
| EACM_NOLOG
| EACM_NONAME
))
972 /* Note this gets called from main.c during initialization, and they
973 * simply set this to pw_dir as a fallback: don't verify _that_ call.
975 if(!(n_pstate
& n_PS_ROOT
) && !n_is_dir(*val
, TRUM1
)){
976 emsg
= N_("$HOME is not a directory or not accessible: %s\n");
981 case ok_v_smtp_hostname
:
986 n_string_creat_auto(&cnv
);
987 if(!n_idna_to_ascii(&cnv
, *val
, UIZ_MAX
)){
988 /*n_string_gut(&res);*/
989 emsg
= N_("*hostname*/*smtp_hostname*: "
990 "IDNA encoding failed: %s\n");
993 *val
= n_string_cp(&cnv
);
994 /*n_string_drop_ownership(&cnv);*/
998 case ok_v_quote_chars
:{
1002 for(cp
= *val
; (c
= *cp
++) != '\0';)
1003 if(!asciichar(c
) || blankspacechar(c
)){
1008 case ok_v_sendcharsets
:{
1009 struct n_string s
, *sp
= &s
;
1012 sp
= n_string_creat_auto(sp
);
1013 csv
= savestr(*val
);
1015 while((cp
= n_strsep(&csv
, ',', TRU1
)) != NULL
){
1016 if((cp
= n_iconv_normalize_name(cp
)) == NULL
){
1021 sp
= n_string_push_c(sp
, ',');
1022 sp
= n_string_push_cp(sp
, cp
);
1025 *val
= n_string_cp(sp
);
1026 /* n_string_drop_ownership(sp); */
1029 if(!n_is_dir(*val
, TRU1
)){
1030 emsg
= N_("$TMPDIR is not a directory or not accessible: %s\n");
1038 n_idec_ui64_cp(&uib
, *val
, 0, NULL
);
1039 if(uib
& ~0777u){ /* (is valid _VF_POSNUM) */
1040 emsg
= N_("Invalid *umask* setting: %s\n");
1046 }else if(avvm
== a_AMV_VIP_SET_POST
){
1054 n_poption
|= n_PO_DEBUG
;
1057 /* Invalidate any resolved folder then, too
1060 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
1067 x_b
= x
= n_autorec_alloc(strlen(cp
) +1);
1068 while((c
= *cp
++) != '\0')
1072 n_PS_ROOT_BLOCK(ok_vset(ifs_ws
, x_b
));
1074 #ifdef HAVE_SETLOCALE
1082 n_poption
|= n_PO_MEMDEBUG
;
1084 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
1085 if(!(n_pstate
& n_PS_ROOT
))
1086 n_PS_ROOT_BLOCK(ok_bset(posix
));
1088 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
1089 if(!(n_pstate
& n_PS_ROOT
))
1090 n_PS_ROOT_BLOCK(ok_bset(POSIXLY_CORRECT
));
1092 case ok_b_skipemptybody
:
1093 n_poption
|= n_PO_E_FLAG
;
1095 case ok_b_typescript_mode
:
1096 ok_bset(colour_disable
);
1097 ok_bset(line_editor_disable
);
1098 if(!(n_psonce
& n_PSO_STARTED
))
1099 ok_bset(termcap_disable
);
1105 n_idec_ui64_cp(&uib
, *val
, 0, NULL
);
1110 n_poption
|= (n_poption
& n_PO_VERB
) ? n_PO_VERBVERB
: n_PO_VERB
;
1121 n_poption
&= ~n_PO_DEBUG
;
1123 case ok_v_customhdr
:{
1124 struct n_header_field
*hfp
;
1126 while((hfp
= n_customhdr_list
) != NULL
){
1127 n_customhdr_list
= hfp
->hf_next
;
1132 /* Invalidate any resolved folder then, too
1135 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
1138 n_poption
&= ~n_PO_MEMDEBUG
;
1140 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
1141 if(!(n_pstate
& n_PS_ROOT
))
1142 n_PS_ROOT_BLOCK(ok_bclear(posix
));
1144 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
1145 if(!(n_pstate
& n_PS_ROOT
))
1146 n_PS_ROOT_BLOCK(ok_bclear(POSIXLY_CORRECT
));
1148 case ok_b_skipemptybody
:
1149 n_poption
&= ~n_PO_E_FLAG
;
1152 n_poption
&= ~(n_PO_VERB
| n_PO_VERBVERB
);
1161 n_err(V_(emsg
), n_shexp_quote_cp(*val
, FAL0
));
1167 a_amv_var_check_num(char const *val
, bool_t posnum
){
1168 /* TODO The internal/environment variables which are num= or posnum= should
1169 * TODO gain special lookup functions, or the return should be void* and
1170 * TODO castable to integer; i.e. no more strtoX() should be needed.
1171 * TODO I.e., the result of this function should instead be stored */
1177 if(*val
!= '\0'){ /* Would be _VF_NOTEMPTY if not allowed */
1179 enum n_idec_state ids
;
1181 ids
= n_idec_cp(&uib
, val
, 0,
1182 (n_IDEC_MODE_LIMIT_32BIT
|
1183 (posnum
? n_IDEC_MODE_SIGNED_TYPE
: n_IDEC_MODE_NONE
)), NULL
);
1184 if((ids
& (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
1185 ) != n_IDEC_STATE_CONSUMED
)
1187 /* TODO Unless we store integers we need to look and forbid, because
1188 * TODO callee may not be able to swallow, e.g., "-1" */
1189 if(posnum
&& (ids
& n_IDEC_STATE_SEEN_MINUS
))
1197 a_amv_var_canonify(char const *vn
){
1199 if(!upperchar(*vn
)){
1202 for(vp
= vn
; *vp
!= '\0'; ++vp
)
1213 a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
, char const *name
){
1215 struct a_amv_var_map
const *avmp
;
1219 /* It may be a special a.k.a. macro-local or one-letter parameter */
1221 if(n_UNLIKELY(digitchar(c
))){
1222 /* (Inline dec. atoi, ugh) */
1223 for(j
= (ui8_t
)c
- '0', i
= 1;; ++i
){
1228 goto jno_special_param
;
1229 j
= j
* 10 + (ui8_t
)c
- '0';
1231 if(j
<= a_AMV_POSPAR_MAX
){
1232 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR
;
1233 goto jspecial_param
;
1235 }else if(n_UNLIKELY(name
[1] == '\0')){
1239 avcp
->avc_special_cat
= a_AMV_VSC_GLOBAL
;
1240 j
= (c
== '?') ? a_AMV_VST_QM
: a_AMV_VST_EM
;
1241 goto jspecial_param
;
1245 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1247 goto jspecial_param
;
1249 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1251 goto jspecial_param
;
1253 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1254 j
= a_AMV_VST_NOSIGN
;
1255 goto jspecial_param
;
1261 avcp
->avc_special_cat
= a_AMV_VSC_MULTIPLEX
;
1263 goto jspecial_param
;
1266 /* Normal reverse lookup, walk over the hashtable */
1268 avcp
->avc_special_cat
= a_AMV_VSC_NONE
;
1269 avcp
->avc_name
= name
= a_amv_var_canonify(name
);
1270 avcp
->avc_hash
= hash
= a_AMV_NAME2HASH(name
);
1272 for(i
= hash
% a_AMV_VAR_REV_PRIME
, j
= 0; j
<= a_AMV_VAR_REV_LONGEST
; ++j
){
1275 if((x
= a_amv_var_revmap
[i
]) == a_AMV_VAR_REV_ILL
)
1278 avmp
= &a_amv_var_map
[x
];
1279 if(avmp
->avm_hash
== hash
&&
1280 !strcmp(&a_amv_var_names
[avmp
->avm_keyoff
], name
)){
1281 avcp
->avc_map
= avmp
;
1282 avcp
->avc_okey
= (enum okeys
)x
;
1286 if(++i
== a_AMV_VAR_REV_PRIME
){
1287 #ifdef a_AMV_VAR_REV_WRAPAROUND
1295 avcp
->avc_map
= NULL
;
1298 assert(avcp
== NULL
|| avcp
->avc_map
!= NULL
||
1299 avcp
->avc_special_cat
== a_AMV_VSC_NONE
);
1301 return (avcp
!= NULL
);
1303 /* All these are mapped to *--special-param* */
1305 avcp
->avc_name
= name
;
1306 avcp
->avc_special_prop
= (ui16_t
)j
;
1307 avmp
= &a_amv_var_map
[a_AMV_VAR__SPECIAL_PARAM_MAP_IDX
];
1308 avcp
->avc_hash
= avmp
->avm_hash
;
1309 avcp
->avc_map
= avmp
;
1310 avcp
->avc_okey
= ok_v___special_param
;
1315 a_amv_var_lookup(struct a_amv_var_carrier
*avcp
,
1316 enum a_amv_var_lookup_flags avlf
){
1319 struct a_amv_var_map
const *avmp
;
1320 struct a_amv_var
*avp
;
1323 assert(!(avlf
& a_AMV_VLOOK_LOCAL_ONLY
) || (avlf
& a_AMV_VLOOK_LOCAL
));
1324 assert(!(avlf
& a_AMV_VLOOK_I3VAL_NONEW_REPORT
) ||
1325 (avlf
& a_AMV_VLOOK_I3VAL_NONEW
));
1328 struct a_amv_var
**avpp
, *lavp
;
1330 avcp
->avc_prime
= a_AMV_HASH2PRIME(avcp
->avc_hash
);
1332 /* Optionally macro-`local' variables first */
1333 if(avlf
& a_AMV_VLOOK_LOCAL
){
1334 if(a_amv_lopts
!= NULL
&&
1335 (avpp
= *a_amv_lopts
->as_amcap
->amca_local_vars
) != NULL
){
1336 avpp
+= avcp
->avc_prime
;
1338 for(lavp
= NULL
, avp
= *avpp
; avp
!= NULL
;
1339 lavp
= avp
, avp
= avp
->av_link
)
1340 if(!strcmp(avp
->av_name
, avcp
->avc_name
)){
1341 /* Relink as head, hope it "sorts on usage" over time.
1342 * The code relies on this behaviour! */
1344 lavp
->av_link
= avp
->av_link
;
1345 avp
->av_link
= *avpp
;
1352 if(avlf
& a_AMV_VLOOK_LOCAL_ONLY
)
1356 /* Global variable map */
1357 avpp
= &a_amv_vars
[avcp
->avc_prime
];
1359 for(lavp
= NULL
, avp
= *avpp
; avp
!= NULL
; lavp
= avp
, avp
= avp
->av_link
)
1360 if(!strcmp(avp
->av_name
, avcp
->avc_name
)){
1361 /* Relink as head, hope it "sorts on usage" over time.
1362 * The code relies on this behaviour! */
1364 lavp
->av_link
= avp
->av_link
;
1365 avp
->av_link
= *avpp
;
1369 /* If this setting has been established via -S and we still have
1370 * not reached the _STARTED_CONFIG program state, it may have been
1371 * an explicit "clearance" that is to be treated as unset.
1372 * Because that is a special condition that (has been hacked in
1373 * later and) needs to be encapsulated in lower levels, but not
1374 * of interest if _set() or _clear() called us */
1375 switch(avp
->av_flags
& a_AMV_VF_EXT__FROZEN_MASK
){
1376 case a_AMV_VF_EXT_FROZEN
| a_AMV_VF_EXT_FROZEN_UNSET
:
1377 if(!(avlf
& a_AMV_VLOOK_I3VAL_NONEW
)){
1378 avcp
->avc_var
= avp
;
1390 /* If this is not an assembled variable we need to consider some special
1391 * initialization cases and eventually create the variable anew */
1392 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1393 /* Does it have an import-from-environment flag? */
1394 if(n_UNLIKELY((avmp
->avm_flags
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
)) != 0)){
1395 if(n_LIKELY((cp
= getenv(avcp
->avc_name
)) != NULL
)){
1396 /* May be better not to use that one, though? */
1397 /* TODO Outsource the tests into a _shared_ test function! */
1398 bool_t isempty
, isbltin
;
1400 isempty
= (*cp
== '\0' &&
1401 (avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) != 0);
1402 isbltin
= ((avmp
->avm_flags
& (a_AMV_VF_I3VAL
| a_AMV_VF_DEFVAL
)
1405 if(n_UNLIKELY(isempty
)){
1406 n_err(_("Environment variable must not be empty: %s\n"),
1410 }else if(n_LIKELY(*cp
!= '\0')){
1411 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1412 !a_amv_var_check_num(cp
, FAL0
))){
1413 n_err(_("Environment variable value not a number "
1414 "or out of range: %s\n"), avcp
->avc_name
);
1417 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1418 !a_amv_var_check_num(cp
, TRU1
))){
1419 n_err(_("Environment variable value not a number, "
1420 "negative or out of range: %s\n"), avcp
->avc_name
);
1429 /* A first-time init switch is to be handled now and here */
1430 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_I3VAL
) != 0)){
1431 static struct a_amv_var_defval
const **arr
,
1432 *arr_base
[a_AMV_VAR_I3VALS_CNT
+1];
1436 arr
[i
= a_AMV_VAR_I3VALS_CNT
] = NULL
;
1438 arr
[i
] = &a_amv_var_i3vals
[i
];
1441 for(i
= 0; arr
[i
] != NULL
; ++i
)
1442 if(arr
[i
]->avdv_okey
== avcp
->avc_okey
){
1443 cp
= (avmp
->avm_flags
& a_AMV_VF_BOOL
) ? n_1
1444 : arr
[i
]->avdv_value
;
1445 /* Remove this entry, hope entire block becomes no-op asap */
1447 arr
[i
] = arr
[i
+ 1];
1448 while(arr
[i
++] != NULL
);
1450 if(!(avlf
& a_AMV_VLOOK_I3VAL_NONEW
))
1452 if(avlf
& a_AMV_VLOOK_I3VAL_NONEW_REPORT
)
1453 avp
= (struct a_amv_var
*)-1;
1460 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0){
1461 for(i
= 0; i
< a_AMV_VAR_DEFVALS_CNT
; ++i
)
1462 if(a_amv_var_defvals
[i
].avdv_okey
== avcp
->avc_okey
){
1463 cp
= (avmp
->avm_flags
& a_AMV_VF_BOOL
) ? n_1
1464 : a_amv_var_defvals
[i
].avdv_value
;
1469 /* The virtual variables */
1470 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIRT
) != 0)){
1471 for(i
= 0; i
< a_AMV_VAR_VIRTS_CNT
; ++i
)
1472 if(a_amv_var_virts
[i
].avv_okey
== avcp
->avc_okey
){
1473 avp
= n_UNCONST(a_amv_var_virts
[i
].avv_var
);
1483 avcp
->avc_var
= avp
;
1486 return (avp
!= NULL
);
1489 /* E.g., $TMPDIR may be set to non-existent, so we need to be able to catch
1490 * that and redirect to a possible default value */
1491 if((avmp
->avm_flags
& a_AMV_VF_VIP
) &&
1492 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, &cp
)){
1494 if(avmp
->avm_flags
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
))
1495 unsetenv(avcp
->avc_name
);
1497 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0)
1501 struct a_amv_var
**avpp
;
1504 l
= strlen(avcp
->avc_name
) +1;
1506 avp
= n_calloc(1, n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1507 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1509 avp
->av_flags
= avmp
->avm_flags
;
1510 avp
->av_value
= a_amv_var_copy(cp
);
1511 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1513 if(avp
->av_flags
& a_AMV_VF_ENV
)
1514 a_amv_var__putenv(avcp
, avp
);
1515 if(avmp
->avm_flags
& a_AMV_VF_VIP
)
1516 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, &cp
);
1522 a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
){
1526 struct a_amv_var_map
const *avmp
;
1529 /* Not function local, TODO but lazy evaluted for now */
1530 if(avcp
->avc_special_prop
== a_AMV_VST_QM
){
1531 avmp
= &a_amv_var_map
[a_AMV_VAR__QM_MAP_IDX
];
1532 avcp
->avc_okey
= ok_v___qm
;
1533 ep
= &n_pstate_ex_no
;
1535 avmp
= &a_amv_var_map
[a_AMV_VAR__EM_MAP_IDX
];
1536 avcp
->avc_okey
= ok_v___em
;
1537 ep
= &n_pstate_err_no
;
1540 /* XXX Oh heaven, we are responsible to ensure that $?/! is up-to-date
1541 * TODO we could num=1 ok_v___[qe]m, but the thing is still a string
1542 * TODO and thus conversion takes places over and over again; also
1543 * TODO for now that would have to occur before we set _that_ value
1544 * TODO so let's special treat it until we store ints as such */
1546 case 0: rv
= n_0
; break;
1547 case 1: rv
= n_1
; break;
1549 snprintf(itoabuf
, sizeof itoabuf
, "%d", *ep
);
1553 n_PS_ROOT_BLOCK(n_var_okset(avcp
->avc_okey
, (uintptr_t)rv
));
1555 avcp
->avc_hash
= avmp
->avm_hash
;
1556 avcp
->avc_map
= avmp
;
1557 rv
= a_amv_var_lookup(avcp
, a_AMV_VLOOK_NONE
)
1558 ? avcp
->avc_var
->av_value
: NULL
;
1564 a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
){
1571 i
= strlen(rv
= &avcp
->avc_name
[1]);
1573 /* ERR, ERRDOC, ERRNAME, plus *-NAME variants */
1574 if(rv
[0] == 'E' && i
>= 3 && rv
[1] == 'R' && rv
[2] == 'R'){
1576 e
= n_pstate_err_no
;
1578 }else if(rv
[3] == '-'){
1579 e
= n_err_from_name(&rv
[4]);
1582 case 0: rv
= n_0
; break;
1583 case 1: rv
= n_1
; break;
1585 snprintf(itoabuf
, sizeof itoabuf
, "%d", e
);
1586 rv
= savestr(itoabuf
); /* XXX yet, cannot do numbers */
1591 if(!memcmp(&rv
[3], "DOC", 3)){
1594 case '\0': e
= n_pstate_err_no
; break;
1595 case '-': e
= n_err_from_name(&rv
[1]); break;
1598 rv
= n_err_to_doc(e
);
1600 }else if(i
>= 7 && !memcmp(&rv
[3], "NAME", 4)){
1603 case '\0': e
= n_pstate_err_no
; break;
1604 case '-': e
= n_err_from_name(&rv
[1]); break;
1607 rv
= n_err_to_name(e
);
1621 a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
){
1624 char const *rv
, **argv
;
1629 /* If in a macro/xy.. */
1630 if(a_amv_lopts
!= NULL
){
1632 struct a_amv_mac_call_args
*amcap
;
1634 amcap
= a_amv_lopts
->as_amcap
;
1635 argc
= amcap
->amca_pospar
.app_count
;
1636 argv
= amcap
->amca_pospar
.app_dat
;
1637 argv
+= amcap
->amca_pospar
.app_idx
;
1639 /* ..in a `call'ed macro only, to be exact. Or in a_AMV_MACKY_MACK */
1640 if(!(ismacky
= (amcap
->amca_amp
== a_AMV_MACKY_MACK
)) &&
1641 (amcap
->amca_ps_hook_mask
||
1642 (assert(amcap
->amca_amp
!= NULL
),
1643 (amcap
->amca_amp
->am_flags
& a_AMV_MF_TYPE_MASK
1644 ) == a_AMV_MF_ACCOUNT
)))
1647 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1648 if(avcp
->avc_special_prop
> 0){
1649 if(argc
>= avcp
->avc_special_prop
)
1650 rv
= argv
[avcp
->avc_special_prop
- 1];
1652 rv
= amcap
->amca_name
;
1654 rv
= (a_amv_lopts
->as_up
!= NULL
1655 ? a_amv_lopts
->as_up
->as_amcap
->amca_name
: n_empty
);
1658 /* MACKY_MACK doesn't know about [*@#] */
1659 /*else*/ if(ismacky
){
1660 if(n_poption
& n_PO_D_V
)
1661 n_err(_("Cannot use $*/$@/$# in this context: %s\n"),
1662 n_shexp_quote_cp(avcp
->avc_name
, FAL0
));
1666 argc
= a_amv_pospar
.app_count
;
1667 argv
= a_amv_pospar
.app_dat
;
1668 argv
+= a_amv_pospar
.app_idx
;
1670 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1671 if(avcp
->avc_special_prop
> 0){
1672 if(argc
>= avcp
->avc_special_prop
)
1673 rv
= argv
[avcp
->avc_special_prop
- 1];
1680 switch(avcp
->avc_special_prop
){ /* XXX OPTIMIZE */
1681 case a_AMV_VST_STAR
:{
1684 sep
= *ok_vlook(ifs
);
1689 for(i
= j
= 0; i
< argc
; ++i
)
1690 j
+= strlen(argv
[i
]) + 1;
1696 rv
= cp
= n_autorec_alloc(j
);
1697 for(i
= j
= 0; i
< argc
; ++i
){
1698 j
= strlen(argv
[i
]);
1699 memcpy(cp
, argv
[i
], j
);
1709 case a_AMV_VST_NOSIGN
:{
1712 rv
= cp
= n_autorec_alloc(sizeof("65535"));
1713 snprintf(cp
, sizeof("65535"), "%hu", argc
);
1725 a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
1726 enum a_amv_var_setclr_flags avscf
){
1727 struct a_amv_var
*avp
;
1729 struct a_amv_var_map
const *avmp
;
1734 rv
= a_amv_var_clear(avcp
, avscf
);
1738 if((avmp
= avcp
->avc_map
) != NULL
){
1741 /* Validity checks */
1742 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_RDONLY
) != 0 &&
1743 !(n_pstate
& n_PS_ROOT
))){
1744 value
= N_("Variable is read-only: %s\n");
1747 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) && *value
== '\0')){
1748 value
= N_("Variable must not be empty: %s\n");
1751 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1752 !a_amv_var_check_num(value
, FAL0
))){
1753 value
= N_("Variable value not a number or out of range: %s\n");
1756 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1757 !a_amv_var_check_num(value
, TRU1
))){
1758 value
= _("Variable value not a number, negative, "
1759 "or out of range: %s\n");
1763 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_IMPORT
) != 0 &&
1764 !(n_psonce
& n_PSO_STARTED
) && !(n_pstate
& n_PS_ROOT
))){
1765 value
= N_("Variable cannot be set in a resource file: %s\n");
1769 /* Any more complicated inter-dependency? */
1770 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1771 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, &value
))){
1772 value
= N_("Assignment of variable aborted: %s\n");
1774 n_err(V_(value
), avcp
->avc_name
);
1778 /* Transformations */
1779 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_LOWER
)){
1782 oval
= savestr(value
);
1784 for(; (c
= *oval
) != '\0'; ++oval
)
1785 *oval
= lowerconv(c
);
1788 /* Obsoletion warning */
1789 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_OBSOLETE
) != 0))
1790 n_OBSOLETE2(_("obsoleted variable"), avcp
->avc_name
);
1793 /* Lookup possibly existing var. For */
1796 a_amv_var_lookup(avcp
, (a_AMV_VLOOK_I3VAL_NONEW
|
1797 ((avscf
& a_AMV_VSETCLR_LOCAL
)
1798 ? (a_AMV_VLOOK_LOCAL
| a_AMV_VLOOK_LOCAL_ONLY
) : 0)));
1799 avp
= avcp
->avc_var
;
1801 /* A `local' setting is never covered by `localopts' nor frozen */
1802 if(avscf
& a_AMV_VSETCLR_LOCAL
)
1805 /* If this setting had been established via -S and we still have not reached
1806 * the _STARTED_CONFIG program state, silently ignore request! */
1807 if(n_UNLIKELY(avp
!= NULL
) &&
1808 n_UNLIKELY((avp
->av_flags
& a_AMV_VF_EXT__FROZEN_MASK
) != 0)){
1809 if(!(n_psonce
& n_PSO_STARTED_CONFIG
)){
1810 if((n_pstate
& n_PS_ROOT
) ||
1811 (!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
1812 (n_poption
& n_PO_S_FLAG_TEMPORARY
)))
1814 if(n_poption
& n_PO_D_VV
)
1815 n_err(_("Temporarily frozen by -S, not `set'ing: %s\n"),
1820 /* Otherwise, if -S freezing was an `unset' request, be very simple and
1821 * avoid tampering with that very special case we are not really prepared
1822 * for just one more line of code: throw the old thing away! */
1823 if(!(avp
->av_flags
& a_AMV_VF_EXT_FROZEN_UNSET
))
1824 avp
->av_flags
&= ~a_AMV_VF_EXT__FROZEN_MASK
;
1826 assert(avp
->av_value
== n_empty
);
1827 a_amv_vars
[avcp
->avc_prime
] = avp
->av_link
;
1829 avcp
->avc_var
= avp
= NULL
;
1833 /* Optionally cover by `localopts' */
1834 if(n_UNLIKELY(a_amv_lopts
!= NULL
) &&
1835 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
1836 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
1841 oval
= avp
->av_value
;
1844 struct a_amv_var
**avpp
;
1846 if(avscf
& a_AMV_VSETCLR_LOCAL
){
1847 if((avpp
= *a_amv_lopts
->as_amcap
->amca_local_vars
) == NULL
)
1848 avpp
= *(a_amv_lopts
->as_amcap
->amca_local_vars
=
1849 n_calloc(1, sizeof(*a_amv_lopts
->as_amcap
->amca_local_vars
)));
1850 avpp
+= avcp
->avc_prime
;
1852 avpp
= &a_amv_vars
[avcp
->avc_prime
];
1854 l
= strlen(avcp
->avc_name
) +1;
1855 avcp
->avc_var
= avp
= n_calloc(1,
1856 n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1857 avp
->av_link
= *avpp
;
1859 avp
->av_flags
= (avscf
& a_AMV_VSETCLR_LOCAL
)
1860 ? a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
1861 : (avmp
!= NULL
) ? avmp
->avm_flags
: 0;
1862 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1863 oval
= n_UNCONST(n_empty
);
1867 avp
->av_value
= a_amv_var_copy(value
);
1869 assert(!(avscf
& a_AMV_VSETCLR_LOCAL
));
1870 /* Via `set' etc. the user may give even boolean options non-boolean
1871 * values, ignore that and force boolean */
1872 if(!(avp
->av_flags
& a_AMV_VF_BOOL
))
1873 avp
->av_value
= a_amv_var_copy(value
);
1875 if(!(n_pstate
& n_PS_ROOT
) && (n_poption
& n_PO_D_V
) &&
1877 n_err(_("Ignoring value of boolean variable: %s: %s\n"),
1878 avcp
->avc_name
, value
);
1879 avp
->av_value
= n_UNCONST(n_1
);
1883 /* A `local' setting can skip all the crude special things */
1884 if(!(avscf
& a_AMV_VSETCLR_LOCAL
)){
1885 if((avscf
& a_AMV_VSETCLR_ENV
) && !(avp
->av_flags
& a_AMV_VF_ENV
))
1886 avp
->av_flags
|= a_AMV_VF_EXT_LINKED
;
1887 if(avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
))
1888 rv
= a_amv_var__putenv(avcp
, avp
);
1889 if(avp
->av_flags
& a_AMV_VF_VIP
)
1890 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, &value
);
1892 avp
->av_flags
&= ~a_AMV_VF_EXT__FROZEN_MASK
;
1893 if(!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
1894 (n_poption
& n_PO_S_FLAG_TEMPORARY
) != 0)
1895 avp
->av_flags
|= a_AMV_VF_EXT_FROZEN
;
1898 a_amv_var_free(oval
);
1905 a_amv_var__putenv(struct a_amv_var_carrier
*avcp
, struct a_amv_var
*avp
){
1913 rv
= (setenv(avcp
->avc_name
, avp
->av_value
, 1) == 0);
1915 cp
= sstrdup(savecatsep(avcp
->avc_name
, '=', avp
->av_value
));
1917 if((rv
= (putenv(cp
) == 0))){
1933 a_amv_var_clear(struct a_amv_var_carrier
*avcp
,
1934 enum a_amv_var_setclr_flags avscf
){
1935 struct a_amv_var
**avpp
, *avp
;
1936 struct a_amv_var_map
const *avmp
;
1942 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1943 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NODEL
) != 0 &&
1944 !(n_pstate
& n_PS_ROOT
))){
1945 n_err(_("Variable may not be unset: %s\n"), avcp
->avc_name
);
1948 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1949 !a_amv_var_check_vips(a_AMV_VIP_CLEAR
, avcp
->avc_okey
, NULL
))){
1950 n_err(_("Clearance of variable aborted: %s\n"), avcp
->avc_name
);
1957 if(n_UNLIKELY(!a_amv_var_lookup(avcp
,
1958 (((avscf
& a_AMV_VSETCLR_LOCAL
)
1959 ? (a_AMV_VLOOK_LOCAL
| a_AMV_VLOOK_LOCAL_ONLY
) : 0) |
1960 a_AMV_VLOOK_I3VAL_NONEW
| a_AMV_VLOOK_I3VAL_NONEW_REPORT
)))){
1961 assert(avcp
->avc_var
== NULL
);
1962 /* This may be a clearance request from the command line, via -S, and we
1963 * need to keep track of that! Unfortunately we are not prepared for
1964 * this, really, so we need to create a fake entry that is known and
1965 * handled correctly by the lowermost variable layer!
1966 * However, all this cannot happen for plain unset of `local' variables */
1967 if(avscf
& a_AMV_VSETCLR_LOCAL
)
1969 if(n_UNLIKELY(!(n_psonce
& n_PSO_STARTED_GETOPT
)) &&
1970 (n_poption
& n_PO_S_FLAG_TEMPORARY
)) Jfreeze
:{
1973 l
= strlen(avcp
->avc_name
) +1;
1974 avp
= n_calloc(1, n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1975 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1977 avp
->av_value
= n_UNCONST(n_empty
); /* Sth. covered by _var_free()! */
1978 avp
->av_flags
= (avmp
!= NULL
? avmp
->avm_flags
: 0) |
1979 a_AMV_VF_EXT_FROZEN
| a_AMV_VF_EXT_FROZEN_UNSET
;
1980 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1982 if((avscf
& a_AMV_VSETCLR_ENV
) ||
1983 (avmp
!= NULL
&& (avmp
->avm_flags
& a_AMV_VF_ENV
)))
1984 a_amv_var__clearenv(avcp
->avc_name
, NULL
);
1985 }else if(avscf
& a_AMV_VSETCLR_ENV
){
1987 if(!(rv
= a_amv_var__clearenv(avcp
->avc_name
, NULL
)))
1988 goto jerr_env_unset
;
1990 /* TODO "cannot unset undefined variable" not echoed in "ROBOT" state,
1991 * TODO should only be like that with "ignerr"! */
1993 if(!(n_pstate
& (n_PS_ROOT
| n_PS_ROBOT
)) && (n_poption
& n_PO_D_V
))
1994 n_err(_("Cannot unset undefined variable: %s\n"), avcp
->avc_name
);
1997 }else if((avp
= avcp
->avc_var
) == (struct a_amv_var
*)-1){
1998 /* Clearance request from command line, via -S? As above.. */
1999 if(n_UNLIKELY(!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
2000 (n_poption
& n_PO_S_FLAG_TEMPORARY
) != 0))
2002 avcp
->avc_var
= NULL
;
2003 if(avscf
& a_AMV_VSETCLR_ENV
)
2007 assert(avcp
->avc_var
!= NULL
);
2009 /* `local' variables bypass "frozen" checks and `localopts' coverage etc. */
2010 if(avp
->av_flags
& a_AMV_VF_EXT_LOCAL
)
2013 /* If this setting has been established via -S and we still have not reached
2014 * the _STARTED_CONFIG program state, silently ignore request!
2015 * XXX All this is very complicated for the tenth of a second */
2016 /*else*/ if(n_UNLIKELY((avp
->av_flags
& a_AMV_VF_EXT__FROZEN_MASK
) != 0)){
2017 if(!(n_psonce
& n_PSO_STARTED_CONFIG
)){
2018 if((n_pstate
& n_PS_ROOT
) ||
2019 (!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
2020 (n_poption
& n_PO_S_FLAG_TEMPORARY
))){
2021 /* Be aware this may turn a set into an unset! */
2022 if(!(avp
->av_flags
& a_AMV_VF_EXT_FROZEN_UNSET
)){
2023 if(avp
->av_flags
& a_AMV_VF_DEFVAL
)
2025 a_amv_var_free(avp
->av_value
);
2026 avp
->av_flags
|= a_AMV_VF_EXT_FROZEN_UNSET
;
2027 avp
->av_value
= n_UNCONST(n_empty
); /* _var_free() covered */
2028 if(avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
))
2033 if(n_poption
& n_PO_D_VV
)
2034 n_err(_("Temporarily frozen by -S, not `unset'ting: %s\n"),
2038 avp
->av_flags
&= ~a_AMV_VF_EXT__FROZEN_MASK
;
2041 if(n_UNLIKELY(a_amv_lopts
!= NULL
) &&
2042 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
2043 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
2046 assert(avp
== avcp
->avc_var
);
2047 avcp
->avc_var
= NULL
;
2048 avpp
= &((avp
->av_flags
& a_AMV_VF_EXT_LOCAL
)
2049 ? *a_amv_lopts
->as_amcap
->amca_local_vars
: a_amv_vars
2051 assert(*avpp
== avp
); /* (always listhead after lookup()) */
2052 *avpp
= (*avpp
)->av_link
;
2054 if(avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
))
2055 rv
= a_amv_var__clearenv(avp
->av_name
, avp
);
2056 a_amv_var_free(avp
->av_value
);
2059 /* XXX Fun part, extremely simple-minded for now: if this variable has
2060 * XXX a default value, immediately reinstantiate it! TODO Heh? */
2061 if(n_UNLIKELY(avmp
!= NULL
&& (avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0)){
2062 a_amv_var_lookup(avcp
, a_AMV_VLOOK_I3VAL_NONEW
);
2063 if(n_UNLIKELY(!(n_psonce
& n_PSO_STARTED_GETOPT
)) &&
2064 (n_poption
& n_PO_S_FLAG_TEMPORARY
))
2065 avcp
->avc_var
->av_flags
|= a_AMV_VF_EXT_FROZEN
;
2073 a_amv_var__clearenv(char const *name
, struct a_amv_var
*avp
){
2074 extern char **environ
;
2084 if(avp
!= NULL
&& avp
->av_env
!= NULL
){
2085 for(; *ecpp
!= NULL
; ++ecpp
)
2086 if(*ecpp
== avp
->av_env
){
2089 while(*ecpp
++ != NULL
);
2090 n_free(avp
->av_env
);
2100 if((l
= strlen(name
)) > 0){
2101 for(; *ecpp
!= NULL
; ++ecpp
)
2102 if(!strncmp(*ecpp
, name
, l
) && (*ecpp
)[l
] == '='){
2108 while(*ecpp
++ != NULL
);
2120 a_amv_var_show_all(void){
2121 struct n_string msg
, *msgp
;
2124 struct a_amv_var
*avp
;
2125 char const **vacp
, **cap
;
2128 if((fp
= Ftmp(NULL
, "setlist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) == NULL
){
2129 n_perr(_("`set' list: cannot create temporary file"), 0);
2133 /* We need to instantiate first-time-inits and default values here, so that
2134 * they will be regular members of our _vars[] table */
2135 for(i
= a_AMV_VAR_I3VALS_CNT
; i
-- > 0;)
2136 n_var_oklook(a_amv_var_i3vals
[i
].avdv_okey
);
2137 for(i
= a_AMV_VAR_DEFVALS_CNT
; i
-- > 0;)
2138 n_var_oklook(a_amv_var_defvals
[i
].avdv_okey
);
2140 for(no
= i
= 0; i
< a_AMV_PRIME
; ++i
)
2141 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
2143 no
+= a_AMV_VAR_VIRTS_CNT
;
2145 vacp
= n_autorec_alloc(no
* sizeof(*vacp
));
2147 for(cap
= vacp
, i
= 0; i
< a_AMV_PRIME
; ++i
)
2148 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
2149 *cap
++ = avp
->av_name
;
2150 for(i
= a_AMV_VAR_VIRTS_CNT
; i
-- > 0;)
2151 *cap
++ = a_amv_var_virts
[i
].avv_var
->av_name
;
2154 qsort(vacp
, no
, sizeof *vacp
, &a_amv_var__show_cmp
);
2157 msgp
= n_string_reserve(n_string_creat(msgp
), 80);
2158 for(i
= 0, cap
= vacp
; no
!= 0; ++cap
, --no
)
2159 i
+= a_amv_var_show(*cap
, fp
, msgp
);
2162 page_or_print(fp
, i
);
2169 a_amv_var__show_cmp(void const *s1
, void const *s2
){
2173 rv
= strcmp(*(char**)n_UNCONST(s1
), *(char**)n_UNCONST(s2
));
2179 a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
){
2180 struct a_amv_var_carrier avc
;
2182 struct a_amv_var
*avp
;
2187 msgp
= n_string_trunc(msgp
, 0);
2190 a_amv_var_revlookup(&avc
, name
);
2191 isset
= a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
);
2194 if(n_poption
& n_PO_D_V
){
2195 if(avc
.avc_map
== NULL
){
2196 msgp
= n_string_push_cp(msgp
, "#assembled variable with value");
2203 {a_AMV_VF_CHAIN
, "variable chain"},
2204 {a_AMV_VF_VIRT
, "virtual"},
2205 {a_AMV_VF_RDONLY
, "read-only"},
2206 {a_AMV_VF_NODEL
, "nodelete"},
2207 {a_AMV_VF_I3VAL
, "initial-value"},
2208 {a_AMV_VF_DEFVAL
, "default-value"},
2209 {a_AMV_VF_IMPORT
, "import-environ-first\0"}, /* assert NUL in max */
2210 {a_AMV_VF_ENV
, "sync-environ"},
2211 {a_AMV_VF_NOLOPTS
, "no-localopts"},
2212 {a_AMV_VF_NOTEMPTY
, "notempty"},
2213 {a_AMV_VF_NUM
, "number"},
2214 {a_AMV_VF_POSNUM
, "positive-number"},
2215 {a_AMV_VF_OBSOLETE
, "obsoleted"},
2218 for(tp
= tbase
; PTRCMP(tp
, <, &tbase
[n_NELEM(tbase
)]); ++tp
)
2219 if(isset
? (avp
->av_flags
& tp
->flag
)
2220 : (avc
.avc_map
->avm_flags
& tp
->flag
)){
2221 msgp
= n_string_push_c(msgp
, (i
++ == 0 ? '#' : ','));
2222 msgp
= n_string_push_cp(msgp
, tp
->msg
);
2226 if(isset
&& (avp
->av_flags
& a_AMV_VF_EXT_FROZEN
)){
2227 msgp
= n_string_push_c(msgp
, (i
++ == 0 ? '#' : ','));
2228 msgp
= n_string_push_cp(msgp
, "(un)?set via -S");
2232 msgp
= n_string_push_cp(msgp
, "\n ");
2235 /* (Read-only variables are generally shown via comments..) */
2236 if(!isset
|| (avp
->av_flags
& a_AMV_VF_RDONLY
)){
2237 msgp
= n_string_push_c(msgp
, n_ns
[0]);
2239 if(avc
.avc_map
!= NULL
&& (avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
))
2240 msgp
= n_string_push_cp(msgp
, "boolean; ");
2241 msgp
= n_string_push_cp(msgp
, "variable not set: ");
2242 msgp
= n_string_push_cp(msgp
, n_shexp_quote_cp(name
, FAL0
));
2247 n_UNINIT(quote
, NULL
);
2248 if(!(avp
->av_flags
& a_AMV_VF_BOOL
)){
2249 quote
= n_shexp_quote_cp(avp
->av_value
, TRU1
);
2250 if(strcmp(quote
, avp
->av_value
))
2251 msgp
= n_string_push_cp(msgp
, "wysh ");
2252 }else if(n_poption
& n_PO_D_V
)
2253 msgp
= n_string_push_cp(msgp
, "wysh "); /* (for shell-style comment) */
2255 if(avp
->av_flags
& a_AMV_VF_EXT_LINKED
)
2256 msgp
= n_string_push_cp(msgp
, "environ ");
2257 msgp
= n_string_push_cp(msgp
, "set ");
2258 msgp
= n_string_push_cp(msgp
, name
);
2260 if(!(avp
->av_flags
& a_AMV_VF_BOOL
)){
2261 msgp
= n_string_push_c(msgp
, '=');
2262 msgp
= n_string_push_cp(msgp
, quote
);
2263 }else if(n_poption
& n_PO_D_V
)
2264 msgp
= n_string_push_cp(msgp
, " #boolean");
2267 msgp
= n_string_push_c(msgp
, '\n');
2268 fputs(n_string_cp(msgp
), fp
);
2270 return (i
> 0 ? 2 : 1);
2274 a_amv_var_c_set(char **ap
, enum a_amv_var_setclr_flags avscf
){
2275 char *cp
, *cp2
, *varbuf
, c
;
2281 while((cp
= *ap
++) != NULL
){
2283 cp2
= varbuf
= n_autorec_alloc(strlen(cp
) +1);
2285 for(; (c
= *cp
) != '=' && c
!= '\0'; ++cp
){
2286 if(cntrlchar(c
) || spacechar(c
)){
2287 n_err(_("Variable name with control or space character ignored: "
2296 cp
= n_UNCONST(n_empty
);
2301 n_err(_("Empty variable name ignored\n"));
2304 struct a_amv_var_carrier avc
;
2307 if((isunset
= (varbuf
[0] == 'n' && varbuf
[1] == 'o')))
2308 varbuf
= &varbuf
[2];
2310 a_amv_var_revlookup(&avc
, varbuf
);
2312 if((avscf
& a_AMV_VSETCLR_LOCAL
) && avc
.avc_map
!= NULL
){
2313 if(n_poption
& n_PO_D_V
)
2314 n_err(_("Builtin variable not overwritten by `local': %s\n"),
2318 errs
+= !a_amv_var_clear(&avc
, avscf
);
2320 errs
+= !a_amv_var_set(&avc
, cp
, avscf
);
2335 if((args
= v
)[0] == NULL
){
2336 rv
= (a_amv_mac_show(a_AMV_MF_NONE
) == FAL0
);
2340 if(args
[1] == NULL
|| args
[1][0] != '{' || args
[1][1] != '\0' ||
2342 n_err(_("Synopsis: define: <name> {\n"));
2346 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_NONE
) == FAL0
);
2353 c_undefine(void *v
){
2361 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_NONE
);
2362 while(*++args
!= NULL
);
2372 rv
= a_amv_mac_call(vp
, FAL0
);
2378 c_call_if(void *vp
){
2382 rv
= a_amv_mac_call(vp
, TRU1
);
2389 struct a_amv_mac_call_args
*amcap
;
2390 struct a_amv_mac
*amp
;
2392 int rv
, i
, oqf
, nqf
;
2397 if((args
= v
)[0] == NULL
){
2398 rv
= (a_amv_mac_show(a_AMV_MF_ACCOUNT
) == FAL0
);
2402 if(args
[1] && args
[1][0] == '{' && args
[1][1] == '\0'){
2403 if(args
[2] != NULL
){
2404 n_err(_("Synopsis: account: <name> {\n"));
2407 if(!asccasecmp(args
[0], ACCOUNT_NULL
)){
2408 n_err(_("`account': cannot use reserved name: %s\n"),
2412 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_ACCOUNT
) == FAL0
);
2416 if(n_pstate
& n_PS_HOOK_MASK
){
2417 n_err(_("`account': cannot change account from within a hook\n"));
2421 save_mbox_for_possible_quitstuff();
2424 if(asccasecmp(args
[0], ACCOUNT_NULL
) != 0 &&
2425 (amp
= a_amv_mac_lookup(args
[0], NULL
, a_AMV_MF_ACCOUNT
)) == NULL
){
2426 n_err(_("`account': account does not exist: %s\n"), args
[0]);
2430 oqf
= savequitflags();
2432 /* Shutdown the active account */
2433 if(a_amv_acc_curr
!= NULL
){
2437 /* Is there a cleanup hook? */
2438 var
= savecat("on-account-cleanup-", a_amv_acc_curr
->am_name
);
2439 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
||
2440 (cp
= ok_vlook(on_account_cleanup
)) != NULL
){
2441 struct a_amv_mac
*amphook
;
2443 if((amphook
= a_amv_mac_lookup(cp
, NULL
, a_AMV_MF_NONE
)) != NULL
){
2444 amcap
= n_lofi_alloc(sizeof *amcap
);
2445 memset(amcap
, 0, sizeof *amcap
);
2446 amcap
->amca_name
= cp
;
2447 amcap
->amca_amp
= amphook
;
2448 amcap
->amca_unroller
= &a_amv_acc_curr
->am_lopts
;
2449 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2450 amcap
->amca_no_xcall
= TRU1
;
2451 n_pstate
|= n_PS_HOOK
;
2452 rv
= a_amv_mac_exec(amcap
);
2453 n_pstate
&= ~n_PS_HOOK_MASK
;
2455 n_err(_("*on-account-leave* hook %s does not exist\n"),
2456 n_shexp_quote_cp(cp
, FAL0
));
2460 if(a_amv_acc_curr
->am_lopts
!= NULL
)
2461 a_amv_lopts_unroll(&a_amv_acc_curr
->am_lopts
);
2463 /* For accounts this lingers */
2464 --a_amv_acc_curr
->am_refcnt
;
2465 if(a_amv_acc_curr
->am_flags
& a_AMV_MF_DELETE
)
2466 a_amv_mac_free(a_amv_acc_curr
);
2469 a_amv_acc_curr
= amp
;
2471 /* And switch to any non-"null" account */
2473 assert(amp
->am_lopts
== NULL
);
2474 amcap
= n_lofi_alloc(sizeof *amcap
);
2475 memset(amcap
, 0, sizeof *amcap
);
2476 amcap
->amca_name
= amp
->am_name
;
2477 amcap
->amca_amp
= amp
;
2478 amcap
->amca_unroller
= &
->am_lopts
;
2479 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2480 amcap
->amca_no_xcall
= TRU1
;
2481 ++amp
->am_refcnt
; /* We may not run 0 to avoid being deleted! */
2482 if(!a_amv_mac_exec(amcap
)){
2483 /* XXX account switch incomplete, unroll? */
2484 n_err(_("`account': failed to switch to account: %s\n"), amp
->am_name
);
2489 n_PS_ROOT_BLOCK((amp
!= NULL
? ok_vset(account
, amp
->am_name
)
2490 : ok_vclear(account
)));
2492 if(n_psonce
& n_PSO_STARTED
){
2493 assert(!(n_pstate
& n_PS_HOOK_MASK
));
2494 nqf
= savequitflags(); /* TODO obsolete (leave -> void -> new box!) */
2495 restorequitflags(oqf
);
2496 if((i
= setfile("%", 0)) < 0)
2498 temporary_folder_hook_check(FAL0
);
2499 if(i
> 0 && !ok_blook(emptystart
))
2501 n_folder_announce(n_ANNOUNCE_CHANGE
);
2502 restorequitflags(nqf
);
2511 c_unaccount(void *v
){
2519 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_ACCOUNT
);
2520 while(*++args
!= NULL
);
2526 c_localopts(void *vp
){
2527 enum a_amv_loflags alf
, alm
;
2534 if(a_amv_lopts
== NULL
){
2535 n_err(_("Cannot use `localopts' in this context\n"));
2539 if((argv
= vp
)[1] == NULL
|| is_asccaseprefix((++argv
)[-1], "scope"))
2540 alf
= alm
= a_AMV_LF_SCOPE
;
2541 else if(is_asccaseprefix(argv
[-1], "call"))
2542 alf
= a_AMV_LF_CALL
, alm
= a_AMV_LF_CALL_MASK
;
2543 else if(is_asccaseprefix(argv
[-1], "call-fixate"))
2544 alf
= a_AMV_LF_CALL_FIXATE
, alm
= a_AMV_LF_CALL_MASK
;
2547 n_err(_("Synopsis: localopts: [<scope|call|call-fixate>] <boolean>\n"));
2551 if(alf
== a_AMV_LF_SCOPE
&&
2552 (a_amv_lopts
->as_loflags
& a_AMV_LF_SCOPE_FIXATE
)){
2553 if(n_poption
& n_PO_D_V
)
2554 n_err(_("Cannot turn off `localopts', setting is fixated\n"));
2558 if((rv
= n_boolify(*argv
, UIZ_MAX
, FAL0
)) < FAL0
)
2560 a_amv_lopts
->as_loflags
&= ~alm
;
2562 a_amv_lopts
->as_loflags
|= alf
;
2570 c_shift(void *vp
){ /* xxx move to bottom, not in macro part! */
2571 struct a_amv_pospar
*appp
;
2578 if((vp
= *(char**)vp
) == NULL
)
2583 if((n_idec_si16_cp(&sib
, vp
, 10, NULL
2584 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2585 ) != n_IDEC_STATE_CONSUMED
|| sib
< 0){
2586 n_err(_("`shift': invalid argument: %s\n"), vp
);
2592 /* If in in a macro/xy */
2593 if(a_amv_lopts
!= NULL
){
2594 struct a_amv_mac
const *amp
;
2595 struct a_amv_mac_call_args
*amcap
;
2597 /* Explicitly do allow `vpospar' created things! */
2598 amp
= (amcap
= a_amv_lopts
->as_amcap
)->amca_amp
;
2599 if((amp
== NULL
|| amcap
->amca_ps_hook_mask
||
2600 (amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == a_AMV_MF_ACCOUNT
) &&
2601 amcap
->amca_pospar
.app_not_heap
){
2602 n_err(_("Cannot use `shift' in `account's or hook macros etc.\n"));
2605 appp
= &amcap
->amca_pospar
;
2607 appp
= &a_amv_pospar
;
2609 if(i
> appp
->app_count
){
2610 n_err(_("`shift': cannot shift %hu of %hu parameters\n"),
2611 i
, appp
->app_count
);
2615 appp
->app_count
-= i
;
2624 c_return(void *vp
){ /* TODO the exit status should be m_si64! */
2628 if(a_amv_lopts
!= NULL
){
2631 n_go_input_force_eof();
2632 n_pstate_err_no
= n_ERR_NONE
;
2635 if((argv
= vp
)[0] != NULL
){
2638 if((n_idec_si32_cp(&i
, argv
[0], 10, NULL
2639 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2640 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2643 n_err(_("`return': return value argument is invalid: %s\n"),
2645 n_pstate_err_no
= n_ERR_INVAL
;
2649 if(argv
[1] != NULL
){
2650 if((n_idec_si32_cp(&i
, argv
[1], 10, NULL
2651 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2652 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2653 n_pstate_err_no
= i
;
2655 n_err(_("`return': error number argument is invalid: %s\n"),
2657 n_pstate_err_no
= n_ERR_INVAL
;
2663 n_err(_("Can only use `return' in a macro\n"));
2664 n_pstate_err_no
= n_ERR_OPNOTSUPP
;
2672 temporary_folder_hook_check(bool_t nmail
){ /* TODO temporary, v15: drop */
2673 struct a_amv_mac_call_args
*amcap
;
2674 struct a_amv_mac
*amp
;
2682 var
= n_autorec_alloc(len
= strlen(mailname
) + sizeof("folder-hook-") -1 +1);
2684 /* First try the fully resolved path */
2685 snprintf(var
, len
, "folder-hook-%s", mailname
);
2686 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2689 /* If we are under *folder*, try the usual +NAME syntax, too */
2690 if(displayname
[0] == '+'){
2693 for(x
= &mailname
[len
]; x
!= mailname
; --x
)
2695 snprintf(var
, len
, "folder-hook-+%s", x
);
2696 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2702 /* Plain *folder-hook* is our last try */
2703 if((cp
= ok_vlook(folder_hook
)) == NULL
)
2707 if((amp
= a_amv_mac_lookup(cp
, NULL
, a_AMV_MF_NONE
)) == NULL
){
2708 n_err(_("Cannot call *folder-hook* for %s: macro does not exist: %s\n"),
2709 n_shexp_quote_cp(displayname
, FAL0
), cp
);
2714 amcap
= n_lofi_alloc(sizeof *amcap
);
2715 memset(amcap
, 0, sizeof *amcap
);
2716 amcap
->amca_name
= cp
;
2717 amcap
->amca_amp
= amp
;
2718 n_pstate
&= ~n_PS_HOOK_MASK
;
2720 amcap
->amca_unroller
= NULL
;
2721 n_pstate
|= n_PS_HOOK_NEWMAIL
;
2723 amcap
->amca_unroller
= &a_amv_folder_hook_lopts
;
2724 n_pstate
|= n_PS_HOOK
;
2726 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2727 amcap
->amca_ps_hook_mask
= TRU1
;
2728 amcap
->amca_no_xcall
= TRU1
;
2729 rv
= a_amv_mac_exec(amcap
);
2730 n_pstate
&= ~n_PS_HOOK_MASK
;
2738 temporary_folder_hook_unroll(void){ /* XXX intermediate hack */
2740 if(a_amv_folder_hook_lopts
!= NULL
){
2741 void *save
= a_amv_lopts
;
2744 a_amv_lopts_unroll(&a_amv_folder_hook_lopts
);
2745 assert(a_amv_folder_hook_lopts
== NULL
);
2752 temporary_compose_mode_hook_call(char const *macname
,
2753 void (*hook_pre
)(void *), void *hook_arg
){
2754 /* TODO compose_mode_hook_call() temporary, v15: generalize; see a_GO_SPLICE
2755 * TODO comment in go.c for the right way of doing things! */
2756 static struct a_amv_lostack
*cmh_losp
;
2757 struct a_amv_mac_call_args
*amcap
;
2758 struct a_amv_mac
*amp
;
2763 if(macname
== (char*)-1){
2764 a_amv_mac__finalize(cmh_losp
);
2766 }else if(macname
!= NULL
&&
2767 (amp
= a_amv_mac_lookup(macname
, NULL
, a_AMV_MF_NONE
)) == NULL
)
2768 n_err(_("Cannot call *on-compose-**: macro does not exist: %s\n"),
2771 amcap
= n_lofi_alloc(sizeof *amcap
);
2772 memset(amcap
, 0, sizeof *amcap
);
2773 amcap
->amca_name
= (macname
!= NULL
) ? macname
2774 : "*on-compose-splice(-shell)?*";
2775 amcap
->amca_amp
= amp
;
2776 amcap
->amca_unroller
= &a_amv_compose_lopts
;
2777 amcap
->amca_hook_pre
= hook_pre
;
2778 amcap
->amca_hook_arg
= hook_arg
;
2779 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2780 amcap
->amca_ps_hook_mask
= TRU1
;
2781 amcap
->amca_no_xcall
= TRU1
;
2782 n_pstate
&= ~n_PS_HOOK_MASK
;
2783 n_pstate
|= n_PS_HOOK
;
2785 a_amv_mac_exec(amcap
);
2787 cmh_losp
= n_lofi_alloc(sizeof *cmh_losp
);
2788 memset(cmh_losp
, 0, sizeof *cmh_losp
);
2789 cmh_losp
->as_global_saved
= a_amv_lopts
;
2790 cmh_losp
->as_lopts
= *(cmh_losp
->as_amcap
= amcap
)->amca_unroller
;
2791 cmh_losp
->as_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2792 a_amv_lopts
= cmh_losp
;
2799 temporary_compose_mode_hook_unroll(void){ /* XXX intermediate hack */
2801 if(a_amv_compose_lopts
!= NULL
){
2802 void *save
= a_amv_lopts
;
2805 a_amv_lopts_unroll(&a_amv_compose_lopts
);
2806 assert(a_amv_compose_lopts
== NULL
);
2813 n_var_is_user_writable(char const *name
){
2814 struct a_amv_var_carrier avc
;
2815 struct a_amv_var_map
const *avmp
;
2819 a_amv_var_revlookup(&avc
, name
);
2820 if((avmp
= avc
.avc_map
) == NULL
)
2823 rv
= ((avmp
->avm_flags
& (a_AMV_VF_BOOL
| a_AMV_VF_RDONLY
)) == 0);
2829 n_var_oklook(enum okeys okey
){
2830 struct a_amv_var_carrier avc
;
2832 struct a_amv_var_map
const *avmp
;
2835 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2836 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2837 avc
.avc_hash
= avmp
->avm_hash
;
2838 avc
.avc_okey
= okey
;
2840 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
))
2841 rv
= avc
.avc_var
->av_value
;
2849 n_var_okset(enum okeys okey
, uintptr_t val
){
2850 struct a_amv_var_carrier avc
;
2852 struct a_amv_var_map
const *avmp
;
2855 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2856 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2857 avc
.avc_hash
= avmp
->avm_hash
;
2858 avc
.avc_okey
= okey
;
2860 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
),
2861 a_AMV_VSETCLR_NONE
);
2867 n_var_okclear(enum okeys okey
){
2868 struct a_amv_var_carrier avc
;
2870 struct a_amv_var_map
const *avmp
;
2873 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2874 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2875 avc
.avc_hash
= avmp
->avm_hash
;
2876 avc
.avc_okey
= okey
;
2878 rv
= a_amv_var_clear(&avc
, a_AMV_VSETCLR_NONE
);
2884 n_var_vlook(char const *vokey
, bool_t try_getenv
){
2885 struct a_amv_var_carrier avc
;
2889 a_amv_var_revlookup(&avc
, vokey
);
2891 switch((enum a_amv_var_special_category
)avc
.avc_special_cat
){
2892 default: /* silence CC */
2893 case a_AMV_VSC_NONE
:
2894 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_LOCAL
))
2895 rv
= avc
.avc_var
->av_value
;
2896 /* Only check the environment for something that is otherwise unknown */
2897 else if(try_getenv
&& avc
.avc_map
== NULL
)
2902 case a_AMV_VSC_GLOBAL
:
2903 rv
= a_amv_var_vsc_global(&avc
);
2905 case a_AMV_VSC_MULTIPLEX
:
2906 rv
= a_amv_var_vsc_multiplex(&avc
);
2908 case a_AMV_VSC_POSPAR
:
2909 case a_AMV_VSC_POSPAR_ENV
:
2910 rv
= a_amv_var_vsc_pospar(&avc
);
2918 n_var_vexplode(void const **cookie
){
2919 struct a_amv_pospar
*appp
;
2922 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
2924 *cookie
= (appp
->app_count
> 0) ? &appp
->app_dat
[appp
->app_idx
] : NULL
;
2926 return (*cookie
!= NULL
);
2930 n_var_vset(char const *vokey
, uintptr_t val
){
2931 struct a_amv_var_carrier avc
;
2935 a_amv_var_revlookup(&avc
, vokey
);
2937 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
),
2938 a_AMV_VSETCLR_NONE
);
2944 n_var_vclear(char const *vokey
){
2945 struct a_amv_var_carrier avc
;
2949 a_amv_var_revlookup(&avc
, vokey
);
2951 ok
= a_amv_var_clear(&avc
, a_AMV_VSETCLR_NONE
);
2958 n_var_xoklook(enum okeys okey
, struct url
const *urlp
,
2959 enum okey_xlook_mode oxm
){
2960 struct a_amv_var_carrier avc
;
2961 struct str
const *us
;
2964 struct a_amv_var_map
const *avmp
;
2967 assert(oxm
& (OXM_PLAIN
| OXM_H_P
| OXM_U_H_P
));
2969 /* For simplicity: allow this case too */
2970 if(!(oxm
& (OXM_H_P
| OXM_U_H_P
))){
2975 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2976 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2977 avc
.avc_okey
= okey
;
2979 us
= (oxm
& OXM_U_H_P
) ? &urlp
->url_u_h_p
: &urlp
->url_h_p
;
2980 nlen
= strlen(avc
.avc_name
);
2981 nbuf
= n_lofi_alloc(nlen
+ 1 + us
->l
+1);
2982 memcpy(nbuf
, avc
.avc_name
, nlen
);
2984 /* One of .url_u_h_p and .url_h_p we test in here */
2985 /*avc.avc_is_chain_variant = TRU1;*/
2987 memcpy(&nbuf
[nlen
], us
->s
, us
->l
+1);
2988 avc
.avc_name
= a_amv_var_canonify(nbuf
);
2989 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
2990 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
))
2994 if((oxm
& (OXM_U_H_P
| OXM_H_P
)) == (OXM_U_H_P
| OXM_H_P
)){
2995 us
= &urlp
->url_h_p
;
2996 memcpy(&nbuf
[nlen
], us
->s
, us
->l
+1);
2997 avc
.avc_name
= a_amv_var_canonify(nbuf
);
2998 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
2999 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
)){
3001 rv
= avc
.avc_var
->av_value
;
3007 /*avc.avc_is_chain_variant = FAL0;*/
3008 rv
= (oxm
& OXM_PLAIN
) ? n_var_oklook(okey
) : NULL
;
3015 #endif /* HAVE_SOCKETS */
3023 if(*(ap
= vp
) == NULL
){
3024 a_amv_var_show_all();
3027 enum a_amv_var_setclr_flags avscf
;
3029 if(!(n_pstate
& n_PS_ARGMOD_LOCAL
))
3030 avscf
= a_AMV_VSETCLR_NONE
;
3032 if(a_amv_lopts
== NULL
){
3033 n_err(_("`set': cannot use `local' in this context\n"));
3037 avscf
= a_AMV_VSETCLR_LOCAL
;
3039 err
= !a_amv_var_c_set(ap
, avscf
);
3048 struct a_amv_var_carrier avc
;
3051 enum a_amv_var_setclr_flags avscf
;
3054 if(!(n_pstate
& n_PS_ARGMOD_LOCAL
))
3055 avscf
= a_AMV_VSETCLR_NONE
;
3057 if(a_amv_lopts
== NULL
){
3058 n_err(_("`unset': cannot use `local' in this context\n"));
3062 avscf
= a_AMV_VSETCLR_LOCAL
;
3065 for(err
= 0, ap
= vp
; *ap
!= NULL
; ++ap
){
3066 a_amv_var_revlookup(&avc
, *ap
);
3068 err
|= !a_amv_var_clear(&avc
, avscf
);
3080 if(*(ap
= v
) == NULL
)
3083 struct n_string msg
, *msgp
= &msg
;
3085 msgp
= n_string_creat(msgp
);
3086 for(; *ap
!= NULL
; ++ap
)
3087 a_amv_var_show(*ap
, n_stdout
, msgp
);
3091 return (v
== NULL
? !STOP
: !OKAY
); /* xxx 1:bad 0:good -- do some */
3095 c_varedit(void *v
){ /* TODO v15 drop */
3096 struct a_amv_var_carrier avc
;
3100 sighandler_type sigint
;
3103 sigint
= safe_signal(SIGINT
, SIG_IGN
);
3105 for(err
= 0, argv
= v
; *argv
!= NULL
; ++argv
){
3106 memset(&avc
, 0, sizeof avc
);
3108 a_amv_var_revlookup(&avc
, *argv
);
3110 if(avc
.avc_map
!= NULL
){
3111 if(avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
){
3112 n_err(_("`varedit': cannot edit boolean variable: %s\n"),
3116 if(avc
.avc_map
->avm_flags
& a_AMV_VF_RDONLY
){
3117 n_err(_("`varedit': cannot edit read-only variable: %s\n"),
3123 a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
);
3125 if((of
= Ftmp(NULL
, "varedit", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
3127 n_perr(_("`varedit': cannot create temporary file"), 0);
3130 }else if(avc
.avc_var
!= NULL
&& *(val
= avc
.avc_var
->av_value
) != '\0' &&
3131 sizeof *val
!= fwrite(val
, strlen(val
), sizeof *val
, of
)){
3132 n_perr(_("`varedit' failed to write old value to temporary file"), 0);
3139 nf
= run_editor(of
, (off_t
)-1, 'e', FAL0
, NULL
, NULL
, SEND_MBOX
, sigint
);
3148 if(UICMP(64, l
, >=, UIZ_MAX
-42)){
3149 n_err(_("`varedit': not enough memory to store variable: %s\n"),
3154 varres
= val
= n_autorec_alloc(l
+1);
3155 for(; l
> 0 && (c
= getc(nf
)) != EOF
; --l
)
3159 n_err(_("`varedit': I/O while reading new value of: %s\n"),
3165 if(!a_amv_var_set(&avc
, varres
, a_AMV_VSETCLR_NONE
))
3170 n_err(_("`varedit': cannot start $EDITOR\n"));
3176 safe_signal(SIGINT
, sigint
);
3183 struct a_amv_var_carrier avc
;
3189 if((islnk
= is_asccaseprefix(*(ap
= v
), "link")) ||
3190 is_asccaseprefix(*ap
, "unlink")){
3191 for(err
= 0; *++ap
!= NULL
;){
3192 a_amv_var_revlookup(&avc
, *ap
);
3194 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
) && (islnk
||
3195 (avc
.avc_var
->av_flags
& a_AMV_VF_EXT_LINKED
))){
3197 avc
.avc_var
->av_flags
&= ~a_AMV_VF_EXT_LINKED
;
3199 }else if(avc
.avc_var
->av_flags
&
3200 (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
)){
3201 if(n_poption
& n_PO_D_V
)
3202 n_err(_("`environ': link: already established: %s\n"), *ap
);
3205 avc
.avc_var
->av_flags
|= a_AMV_VF_EXT_LINKED
;
3206 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_ENV
))
3207 a_amv_var__putenv(&avc
, avc
.avc_var
);
3209 n_err(_("`environ': unlink: no link established: %s\n"), *ap
);
3212 char const *evp
= getenv(*ap
);
3215 err
|= !a_amv_var_set(&avc
, evp
, a_AMV_VSETCLR_ENV
);
3217 n_err(_("`environ': link: cannot link to non-existent: %s\n"),
3223 }else if(is_asccaseprefix(*ap
, "set"))
3224 err
= !a_amv_var_c_set(++ap
, a_AMV_VSETCLR_ENV
);
3225 else if(is_asccaseprefix(*ap
, "unset")){
3226 for(err
= 0; *++ap
!= NULL
;){
3227 a_amv_var_revlookup(&avc
, *ap
);
3229 if(!a_amv_var_clear(&avc
, a_AMV_VSETCLR_ENV
))
3233 n_err(_("Synopsis: environ: <link|set|unset> <variable>...\n"));
3241 c_vexpr(void *v
){ /* TODO POSIX expr(1) comp. exit status; overly complicat. */
3242 char pbase
, op
, iencbuf
[2+1/* BASE# prefix*/ + n_IENC_BUFFER_SIZE
+ 1];
3244 enum n_idec_state ids
;
3245 enum n_idec_mode idm
;
3247 char const **argv
, *varname
, *varres
, *cp
;
3250 a_SOFTOVERFLOW
= 1u<<1,
3252 a_ISDECIMAL
= 1u<<3, /* Print only decimal result */
3253 a_SATURATED
= 1u<<4,
3255 a_UNSIGNED_OP
= 1u<<6, /* Unsigned right shift (share bit ok) */
3256 a_PBASE
= 1u<<7, /* Print additional number base */
3263 varname
= (n_pstate
& n_PS_ARGMOD_VPUT
) ? *argv
++ : NULL
;
3264 n_UNINIT(varres
, n_empty
);
3265 n_UNINIT(pbase
, '\0');
3267 if((cp
= argv
[0])[0] == '\0')
3277 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3280 if(*(cp
= *++argv
) == '\0')
3283 idm
= ((*cp
== 'u' || *cp
== 'U')
3284 ? (++cp
, n_IDEC_MODE_NONE
)
3285 : ((*cp
== 's' || *cp
== 'S')
3286 ? (++cp
, n_IDEC_MODE_SIGNED_TYPE
)
3287 : n_IDEC_MODE_SIGNED_TYPE
|
3288 n_IDEC_MODE_POW2BASE_UNSIGNED
));
3289 if(((ids
= n_idec_cp(&lhv
, cp
, 0, idm
, NULL
)
3290 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3291 ) != n_IDEC_STATE_CONSUMED
){
3292 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
3294 f
|= a_SOFTOVERFLOW
;
3312 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3317 if(*(cp
= *++argv
) == '\0')
3320 idm
= ((*cp
== 'u' || *cp
== 'U')
3321 ? (++cp
, n_IDEC_MODE_NONE
)
3322 : ((*cp
== 's' || *cp
== 'S')
3323 ? (++cp
, n_IDEC_MODE_SIGNED_TYPE
)
3324 : n_IDEC_MODE_SIGNED_TYPE
|
3325 n_IDEC_MODE_POW2BASE_UNSIGNED
));
3326 if(((ids
= n_idec_cp(&lhv
, cp
, 0, idm
, NULL
)
3327 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3328 ) != n_IDEC_STATE_CONSUMED
){
3329 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
3331 f
|= a_SOFTOVERFLOW
;
3336 if(*(cp
= *++argv
) == '\0')
3339 idm
= ((*cp
== 'u' || *cp
== 'U')
3340 ? (++cp
, n_IDEC_MODE_NONE
)
3341 : ((*cp
== 's' || *cp
== 'S')
3342 ? (++cp
, n_IDEC_MODE_SIGNED_TYPE
)
3343 : n_IDEC_MODE_SIGNED_TYPE
|
3344 n_IDEC_MODE_POW2BASE_UNSIGNED
));
3345 if(((ids
= n_idec_cp(&rhv
, cp
, 0, idm
, NULL
)
3346 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3347 ) != n_IDEC_STATE_CONSUMED
){
3348 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
3350 f
|= a_SOFTOVERFLOW
;
3361 if(rhv
!= SI64_MIN
){
3366 goto jenum_plusminus
;
3371 }else if(SI64_MAX
- rhv
< lhv
)
3372 goto jenum_plusminus
;
3377 if(rhv
!= SI64_MIN
){
3382 goto jenum_plusminus
;
3387 }else if(SI64_MIN
+ rhv
> lhv
){
3389 if(!(f
& a_SATURATED
))
3390 goto jenum_overflow
;
3391 f
|= a_SOFTOVERFLOW
;
3392 lhv
= (lhv
< 0 || xop
== '-') ? SI64_MIN
: SI64_MAX
;
3398 /* Will the result be positive? */
3399 if((lhv
< 0) == (rhv
< 0)){
3404 if(rhv
!= 0 && lhv
!= 0 && SI64_MAX
/ rhv
> lhv
){
3405 if(!(f
& a_SATURATED
))
3406 goto jenum_overflow
;
3407 f
|= a_SOFTOVERFLOW
;
3413 if(lhv
!= 0 && SI64_MIN
/ lhv
< rhv
){
3414 if(!(f
& a_SATURATED
))
3415 goto jenum_overflow
;
3416 f
|= a_SOFTOVERFLOW
;
3421 if(rhv
!= 0 && lhv
!= 0 && SI64_MIN
/ rhv
< lhv
){
3422 if(!(f
& a_SATURATED
))
3423 goto jenum_overflow
;
3424 f
|= a_SOFTOVERFLOW
;
3433 if(!(f
& a_SATURATED
))
3435 f
|= a_SOFTOVERFLOW
;
3442 if(!(f
& a_SATURATED
))
3444 f
|= a_SOFTOVERFLOW
;
3464 if(rhv
> 63){ /* xxx 63? */
3465 if(!(f
& a_SATURATED
))
3466 goto jenum_overflow
;
3471 else if(f
& a_UNSIGNED_OP
)
3472 lhv
= (ui64_t
)lhv
>> (ui8_t
)rhv
;
3482 }else if(cp
[0] == '<'){
3486 n_OBSOLETE(_("`vexpr': please use @ modifier as prefix not suffix"));
3495 }else if(cp
[0] == '>'){
3503 n_OBSOLETE(_("`vexpr': please use @ modifier as prefix not suffix"));
3512 }else if(cp
[2] == '\0' && cp
[1] == '@'){
3513 n_OBSOLETE(_("`vexpr': please use @ modifier as prefix, not suffix"));
3517 }else if(cp
[0] == '@'){
3531 if(*cp
!= '>' || *++cp
!= '\0')
3542 }else if(is_asccaseprefix(cp
, "pbase")){
3543 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3546 if(((ids
= n_idec_si8_cp(&pbase
, argv
[1], 0, NULL
)
3547 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3548 ) != n_IDEC_STATE_CONSUMED
|| pbase
< 2 || pbase
> 36)
3552 op
= *(argv
[0] = cp
= "=");
3556 }else if(is_asccaseprefix(cp
, "length")){
3557 f
|= a_ISNUM
| a_ISDECIMAL
;
3558 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3561 i
= strlen(*++argv
);
3562 if(UICMP(64, i
, >, SI64_MAX
))
3563 goto jestr_overflow
;
3565 }else if(is_asccaseprefix(cp
, "hash")){
3566 f
|= a_ISNUM
| a_ISDECIMAL
;
3567 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3570 i
= n_torek_hash(*++argv
);
3572 }else if(is_asccaseprefix(cp
, "find")){
3573 f
|= a_ISNUM
| a_ISDECIMAL
;
3574 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3577 if((cp
= strstr(argv
[1], argv
[2])) == NULL
)
3579 i
= PTR2SIZE(cp
- argv
[1]);
3580 if(UICMP(64, i
, >, SI64_MAX
))
3581 goto jestr_overflow
;
3583 }else if(is_asccaseprefix(cp
, "ifind")){
3584 f
|= a_ISNUM
| a_ISDECIMAL
;
3585 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3588 if((cp
= asccasestr(argv
[1], argv
[2])) == NULL
)
3590 i
= PTR2SIZE(cp
- argv
[1]);
3591 if(UICMP(64, i
, >, SI64_MAX
))
3592 goto jestr_overflow
;
3594 }else if(is_asccaseprefix(cp
, "substring")){
3595 if(argv
[1] == NULL
|| argv
[2] == NULL
)
3597 if(argv
[3] != NULL
&& argv
[4] != NULL
)
3600 i
= strlen(varres
= *++argv
);
3602 if(*(cp
= *++argv
) == '\0')
3604 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3605 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3606 ) != n_IDEC_STATE_CONSUMED
)
3607 goto jestr_numrange
;
3609 if(UICMP(64, i
, <, -lhv
))
3610 goto jesubstring_off
;
3613 if(UICMP(64, i
, >=, lhv
)){
3618 if(n_poption
& n_PO_D_V
)
3619 n_err(_("`vexpr': substring: offset argument too large: %s\n"),
3620 n_shexp_quote_cp(argv
[-1], FAL0
));
3621 f
|= a_SOFTOVERFLOW
;
3624 if(argv
[1] != NULL
){
3625 if(*(cp
= *++argv
) == '\0')
3627 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3628 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3629 ) != n_IDEC_STATE_CONSUMED
)
3630 goto jestr_numrange
;
3632 if(UICMP(64, i
, <, -lhv
))
3633 goto jesubstring_len
;
3636 if(UICMP(64, i
, >=, lhv
)){
3637 if(UICMP(64, i
, !=, lhv
))
3638 varres
= savestrbuf(varres
, (size_t)lhv
);
3641 if(n_poption
& n_PO_D_V
)
3642 n_err(_("`vexpr': substring: length argument too large: %s\n"),
3643 n_shexp_quote_cp(argv
[-2], FAL0
));
3644 f
|= a_SOFTOVERFLOW
;
3647 }else if(is_asccaseprefix(cp
, "trim")) Jtrim
: {
3649 enum n_str_trim_flags stf
;
3651 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3654 if(is_asccaseprefix(cp
, "trim-front"))
3655 stf
= n_STR_TRIM_FRONT
;
3656 else if(is_asccaseprefix(cp
, "trim-end"))
3657 stf
= n_STR_TRIM_END
;
3659 stf
= n_STR_TRIM_BOTH
;
3661 trim
.l
= strlen(trim
.s
= n_UNCONST(argv
[1]));
3662 (void)n_str_trim(&trim
, stf
);
3663 varres
= savestrbuf(trim
.s
, trim
.l
);
3664 }else if(is_asccaseprefix(cp
, "trim-front"))
3666 else if(is_asccaseprefix(cp
, "trim-end"))
3668 else if(is_asccaseprefix(cp
, "random")){
3669 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3672 if((n_idec_si64_cp(&lhv
, argv
[1], 0, NULL
3673 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3674 ) != n_IDEC_STATE_CONSUMED
|| lhv
< 0 || lhv
> PATH_MAX
)
3675 goto jestr_numrange
;
3678 varres
= n_random_create_cp((size_t)lhv
, NULL
);
3679 }else if(is_asccaseprefix(cp
, "file-expand")){
3680 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3683 if((varres
= fexpand(argv
[1], FEXP_NVAR
| FEXP_NOPROTO
)) == NULL
)
3685 }else if(is_asccaseprefix(cp
, "makeprint")){
3686 struct str sin
, sout
;
3688 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3691 /* XXX using strlen for `vexpr makeprint' is wrong for UTF-16 */
3692 sin
.l
= strlen(sin
.s
= n_UNCONST(argv
[1]));
3693 makeprint(&sin
, &sout
);
3694 varres
= savestrbuf(sout
.s
, sout
.l
);
3696 /* TODO `vexpr': (wide) string length, find, etc!! */
3698 }else if(is_asccaseprefix(cp
, "regex")) Jregex
:{
3699 regmatch_t rema
[1 + n_VEXPR_REGEX_MAX
];
3703 f
|= a_ISNUM
| a_ISDECIMAL
;
3704 if(argv
[1] == NULL
|| argv
[2] == NULL
||
3705 (argv
[3] != NULL
&& argv
[4] != NULL
))
3708 reflrv
= REG_EXTENDED
;
3710 reflrv
|= REG_ICASE
;
3711 if((reflrv
= regcomp(&re
, argv
[2], reflrv
))){
3712 n_err(_("`vexpr': invalid regular expression: %s: %s\n"),
3713 n_shexp_quote_cp(argv
[2], FAL0
), n_regex_err_to_doc(NULL
, reflrv
));
3715 n_pstate_err_no
= n_ERR_INVAL
;
3718 reflrv
= regexec(&re
, argv
[1], n_NELEM(rema
), rema
, 0);
3720 if(reflrv
== REG_NOMATCH
)
3723 /* Search only? Else replace, which is a bit */
3724 if(argv
[3] == NULL
){
3725 if(UICMP(64, rema
[0].rm_so
, >, SI64_MAX
))
3726 goto jestr_overflow
;
3727 lhv
= (si64_t
)rema
[0].rm_so
;
3729 /* We need to setup some kind of pseudo macro environment for this */
3730 struct a_amv_lostack los
;
3731 struct a_amv_mac_call_args amca
;
3732 char const **reargv
;
3734 memset(&amca
, 0, sizeof amca
);
3735 amca
.amca_name
= savestrbuf(&argv
[1][rema
[0].rm_so
],
3736 rema
[0].rm_eo
- rema
[0].rm_so
);
3737 amca
.amca_amp
= a_AMV_MACKY_MACK
;
3738 for(i
= 1; i
< n_NELEM(rema
) && rema
[i
].rm_so
!= -1; ++i
)
3740 amca
.amca_pospar
.app_count
= (ui32_t
)i
- 1;
3741 amca
.amca_pospar
.app_not_heap
= TRU1
;
3742 amca
.amca_pospar
.app_dat
=
3743 reargv
= n_autorec_alloc(sizeof(char*) * i
);
3744 for(i
= 1; i
< n_NELEM(rema
) && rema
[i
].rm_so
!= -1; ++i
)
3745 *reargv
++ = savestrbuf(&argv
[1][rema
[i
].rm_so
],
3746 rema
[i
].rm_eo
- rema
[i
].rm_so
);
3749 memset(&los
, 0, sizeof los
);
3750 hold_all_sigs(); /* TODO DISLIKE! */
3751 los
.as_global_saved
= a_amv_lopts
;
3752 los
.as_amcap
= &amca
;
3753 los
.as_up
= los
.as_global_saved
;
3758 struct n_string s_b
;
3759 enum n_shexp_state shs
;
3761 templ
.s
= n_UNCONST(argv
[3]);
3763 shs
= n_shexp_parse_token((n_SHEXP_PARSE_LOG
|
3764 n_SHEXP_PARSE_IGNORE_EMPTY
| n_SHEXP_PARSE_QUOTE_AUTO_FIXED
|
3765 n_SHEXP_PARSE_QUOTE_AUTO_DSQ
),
3766 n_string_creat_auto(&s_b
), &templ
, NULL
);
3767 if((shs
& (n_SHEXP_STATE_ERR_MASK
| n_SHEXP_STATE_STOP
)
3768 ) == n_SHEXP_STATE_STOP
){
3769 varres
= n_string_cp(&s_b
);
3770 n_string_drop_ownership(&s_b
);
3775 a_amv_lopts
= los
.as_global_saved
;
3776 rele_all_sigs(); /* TODO DISLIKE! */
3780 f
&= ~(a_ISNUM
| a_ISDECIMAL
);
3782 }else if(is_asccaseprefix(argv
[0], "iregex")){
3785 #endif /* HAVE_REGEX */
3789 n_pstate_err_no
= (f
& a_SOFTOVERFLOW
) ? n_ERR_OVERFLOW
: n_ERR_NONE
;
3792 /* Generate the variable value content for numerics.
3793 * Anticipate in our handling below! (Don't do needless work) */
3795 if((f
& a_ISNUM
) && ((f
& (a_ISDECIMAL
| a_PBASE
)) || varname
!= NULL
)){
3796 cp
= n_ienc_buf(iencbuf
, lhv
, (f
& a_PBASE
? pbase
: 10),
3797 n_IENC_MODE_SIGNED_TYPE
);
3806 if(varname
== NULL
){
3807 /* If there was no error and we are printing a numeric result, print some
3808 * more bases for the fun of it */
3809 if((f
& (a_ERR
| a_ISNUM
| a_ISDECIMAL
)) == a_ISNUM
){
3810 char binabuf
[64 + 64 / 8 +1];
3813 for(j
= 1, i
= 0; i
< 64; ++i
){
3814 binabuf
[63 + 64 / 8 -j
- i
] = (lhv
& ((ui64_t
)1 << i
)) ? '1' : '0';
3815 if((i
& 7) == 7 && i
!= 63){
3817 binabuf
[63 + 64 / 8 -j
- i
] = ' ';
3820 binabuf
[64 + 64 / 8 -1] = '\0';
3822 if(fprintf(n_stdout
,
3823 "0b %s\n0%" PRIo64
" | 0x%" PRIX64
" | %" PRId64
"\n",
3824 binabuf
, lhv
, lhv
, lhv
) < 0 ||
3825 ((f
& a_PBASE
) && (assert(varres
!= NULL
),
3826 fprintf(n_stdout
, "%s\n", varres
) < 0))){
3827 n_pstate_err_no
= n_err_no
;
3830 }else if(varres
!= NULL
&& fprintf(n_stdout
, "%s\n", varres
) < 0){
3831 n_pstate_err_no
= n_err_no
;
3834 }else if(!n_var_vset(varname
, (uintptr_t)varres
)){
3835 n_pstate_err_no
= n_ERR_NOTSUP
;
3839 return (f
& a_ERR
) ? 1 : 0;
3842 f
= a_ERR
| a_ISNUM
;
3846 n_err(_("`vexpr': invalid subcommand: %s\n"),
3847 n_shexp_quote_cp(*argv
, FAL0
));
3848 n_pstate_err_no
= n_ERR_INVAL
;
3851 n_err(_("Synopsis: vexpr: <operator> <:argument:>\n"));
3852 n_pstate_err_no
= n_ERR_INVAL
;
3856 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3857 n_shexp_quote_cp(*argv
, FAL0
));
3858 n_pstate_err_no
= n_ERR_RANGE
;
3861 n_err(_("`vexpr': expression overflows datatype: %" PRId64
" %c %" PRId64
3862 "\n"), lhv
, op
, rhv
);
3863 n_pstate_err_no
= n_ERR_OVERFLOW
;
3867 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3868 n_shexp_quote_cp(*argv
, FAL0
));
3869 n_pstate_err_no
= n_ERR_RANGE
;
3872 n_err(_("`vexpr': string length or offset overflows datatype\n"));
3873 n_pstate_err_no
= n_ERR_OVERFLOW
;
3876 n_pstate_err_no
= n_ERR_NODATA
;
3887 struct n_cmd_arg
*cap
;
3889 struct a_amv_pospar
*appp
;
3898 struct n_cmd_arg_ctx
*cacp
;
3901 n_pstate_err_no
= n_ERR_NONE
;
3902 n_UNINIT(varres
, n_empty
);
3904 cap
= cacp
->cac_arg
;
3906 if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "set"))
3908 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "clear"))
3910 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "quote"))
3913 n_err(_("`vpospar': invalid subcommand: %s\n"),
3914 n_shexp_quote_cp(cap
->ca_arg
.ca_str
.s
, FAL0
));
3915 n_pstate_err_no
= n_ERR_INVAL
;
3921 if((f
& (a_CLEAR
| a_QUOTE
)) && cap
->ca_next
!= NULL
){
3922 n_err(_("`vpospar': `%s': takes no argument\n"), cap
->ca_arg
.ca_str
.s
);
3923 n_pstate_err_no
= n_ERR_INVAL
;
3930 /* If in a macro, we need to overwrite the local instead of global argv */
3931 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
3934 if(f
& (a_SET
| a_CLEAR
)){
3935 if(cacp
->cac_vput
!= NULL
)
3936 n_err(_("`vpospar': `vput' only supported for `quote' subcommand\n"));
3937 if(!appp
->app_not_heap
&& appp
->app_maxcount
> 0){
3938 for(i
= appp
->app_maxcount
; i
-- != 0;)
3939 n_free(n_UNCONST(appp
->app_dat
[i
]));
3940 n_free(appp
->app_dat
);
3942 memset(appp
, 0, sizeof *appp
);
3945 if((i
= cacp
->cac_no
) > a_AMV_POSPAR_MAX
){
3946 n_err(_("`vpospar': overflow: %" PRIuZ
" arguments!\n"), i
);
3947 n_pstate_err_no
= n_ERR_OVERFLOW
;
3952 memset(appp
, 0, sizeof *appp
);
3954 appp
->app_maxcount
= appp
->app_count
= (ui16_t
)i
;
3955 /* XXX Optimize: store it all in one chunk! */
3957 i
*= sizeof *appp
->app_dat
;
3958 appp
->app_dat
= n_alloc(i
);
3960 for(i
= 0; cap
!= NULL
; ++i
, cap
= cap
->ca_next
){
3961 appp
->app_dat
[i
] = n_alloc(cap
->ca_arg
.ca_str
.l
+1);
3962 memcpy(n_UNCONST(appp
->app_dat
[i
]), cap
->ca_arg
.ca_str
.s
,
3963 cap
->ca_arg
.ca_str
.l
+1);
3966 appp
->app_dat
[i
] = NULL
;
3970 if(appp
->app_count
== 0)
3974 struct n_string s
, *sp
;
3977 sp
= n_string_creat_auto(&s
);
3979 sep1
= *ok_vlook(ifs
);
3980 sep2
= *ok_vlook(ifs_ws
);
3986 for(i
= 0; i
< appp
->app_count
; ++i
){
3988 if(!n_string_can_book(sp
, 2))
3990 sp
= n_string_push_c(sp
, sep1
);
3992 sp
= n_string_push_c(sp
, sep2
);
3994 in
.l
= strlen(in
.s
= n_UNCONST(appp
->app_dat
[i
+ appp
->app_idx
]));
3996 if(!n_string_can_book(sp
, in
.l
)){
3998 n_err(_("`vpospar': overflow: string too long!\n"));
3999 n_pstate_err_no
= n_ERR_OVERFLOW
;
4003 sp
= n_shexp_quote(sp
, &in
, TRU1
);
4006 varres
= n_string_cp(sp
);
4009 if(cacp
->cac_vput
== NULL
){
4010 if(fprintf(n_stdout
, "%s\n", varres
) < 0){
4011 n_pstate_err_no
= n_err_no
;
4014 }else if(!n_var_vset(cacp
->cac_vput
, (uintptr_t)varres
)){
4015 n_pstate_err_no
= n_ERR_NOTSUP
;
4021 return (f
& a_ERR
) ? 1 : 0;