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... */
101 /* The basic set of flags, also present in struct a_amv_var_map.avm_flags */
102 a_AMV_VF_BOOL
= 1u<<0, /* ok_b_* */
103 a_AMV_VF_CHAIN
= 1u<<1, /* Is variable chain (-USER{,@HOST} variants) */
104 a_AMV_VF_VIRT
= 1u<<2, /* "Stateless" automatic variable */
105 a_AMV_VF_VIP
= 1u<<3, /* Wants _var_check_vips() evaluation */
106 a_AMV_VF_RDONLY
= 1u<<4, /* May not be set by user */
107 a_AMV_VF_NODEL
= 1u<<5, /* May not be deleted */
108 a_AMV_VF_I3VAL
= 1u<<6, /* Has an initial value */
109 a_AMV_VF_DEFVAL
= 1u<<7, /* Has a default value */
110 a_AMV_VF_IMPORT
= 1u<<8, /* Import ONLY from env (pre n_PSO_STARTED) */
111 a_AMV_VF_ENV
= 1u<<9, /* Update environment on change */
112 a_AMV_VF_NOLOPTS
= 1u<<10, /* May not be tracked by `localopts' */
113 a_AMV_VF_NOTEMPTY
= 1u<<11, /* May not be assigned an empty value */
114 /* TODO _VF_NUM, _VF_POSNUM: we also need 64-bit limit numbers! */
115 a_AMV_VF_NUM
= 1u<<12, /* Value must be a 32-bit number */
116 a_AMV_VF_POSNUM
= 1u<<13, /* Value must be positive 32-bit number */
117 a_AMV_VF_LOWER
= 1u<<14, /* Values will be stored in lowercase version */
118 a_AMV_VF_OBSOLETE
= 1u<<15, /* Is obsolete? */
119 a_AMV_VF__MASK
= (1u<<(15+1)) - 1,
121 /* Extended flags, not part of struct a_amv_var_map.avm_flags */
122 a_AMV_VF_EXT_LOCAL
= 1u<<23, /* `local' */
123 a_AMV_VF_EXT_LINKED
= 1u<<24, /* `environ' link'ed */
124 a_AMV_VF_EXT_FROZEN
= 1u<<25, /* Has been set by -S,.. */
125 a_AMV_VF_EXT_FROZEN_UNSET
= 1u<<26, /* ..and was used to unset a variable */
126 a_AMV_VF_EXT__FROZEN_MASK
= a_AMV_VF_EXT_FROZEN
| a_AMV_VF_EXT_FROZEN_UNSET
,
127 a_AMV_VF_EXT__MASK
= (1u<<(26+1)) - 1
130 enum a_amv_var_lookup_flags
{
131 a_AMV_VLOOK_NONE
= 0,
132 a_AMV_VLOOK_LOCAL
= 1u<<0, /* Query `local' layer first */
133 a_AMV_VLOOK_LOCAL_ONLY
= 1u<<1, /* MUST be a `local' variable */
134 /* Do not allocate new var for _I3VAL, see _var_lookup() for more */
135 a_AMV_VLOOK_I3VAL_NONEW
= 1u<<2,
136 a_AMV_VLOOK_I3VAL_NONEW_REPORT
= 1u<<3
139 enum a_amv_var_setclr_flags
{
140 a_AMV_VSETCLR_NONE
= 0,
141 a_AMV_VSETCLR_LOCAL
= 1u<<0, /* Use `local' variables only */
142 a_AMV_VSETCLR_ENV
= 1u<<1 /* `environ' or otherwise environ */
145 /* We support some special parameter names for one(+)-letter variable names;
146 * note these have counterparts in the code that manages shell expansion!
147 * All these special variables are solely backed by n_var_vlook(), and besides
148 * there is only a_amv_var_revlookup() which knows about them */
149 enum a_amv_var_special_category
{
150 a_AMV_VSC_NONE
, /* Normal variable, no special treatment */
151 a_AMV_VSC_GLOBAL
, /* ${[?!]} are specially mapped, but global */
152 a_AMV_VSC_MULTIPLEX
, /* ${^.*} circumflex accent multiplexer */
153 a_AMV_VSC_POSPAR
, /* ${[1-9][0-9]*} positional parameters */
154 a_AMV_VSC_POSPAR_ENV
/* ${[*@#]} positional parameter support variables */
157 enum a_amv_var_special_type
{
159 a_AMV_VST_QM
, /* ? */
160 a_AMV_VST_EM
, /* ! */
162 /* This is special in that it is a multiplex indicator, the ^ is followed by
163 * a normal variable */
164 a_AMV_VST_CACC
, /* ^ (circumflex accent) */
165 /* _VSC_POSPAR_ENV */
166 a_AMV_VST_STAR
, /* * */
167 a_AMV_VST_AT
, /* @ */
168 a_AMV_VST_NOSIGN
/* # */
171 enum a_amv_var_vip_mode
{
178 ui16_t app_maxcount
; /* == slots in .app_dat */
179 ui16_t app_count
; /* Maximum a_AMV_POSPAR_MAX */
180 ui16_t app_idx
; /* `shift' moves this one, decs .app_count */
181 bool_t app_not_heap
; /* .app_dat stuff not dynamically allocated */
183 char const **app_dat
; /* NULL terminated (for "$@" explosion support) */
185 n_CTA(a_AMV_POSPAR_MAX
<= SI16_MAX
, "Limit exceeds datatype capabilities");
188 struct a_amv_mac
*am_next
;
189 ui32_t am_maxlen
; /* of any line in .am_line_dat */
190 ui32_t am_line_cnt
; /* of *.am_line_dat (but NULL terminated) */
191 struct a_amv_mac_line
**am_line_dat
; /* TODO use deque? */
192 struct a_amv_var
*am_lopts
; /* `localopts' unroll list */
193 ui32_t am_refcnt
; /* 0-based for `un{account,define}' purposes */
194 ui8_t am_flags
; /* enum a_amv_mac_flags */
195 char am_name
[n_VFIELD_SIZE(3)]; /* of this macro */
197 n_CTA(a_AMV_MF__MAX
<= UI8_MAX
, "Enumeration excesses storage datatype");
199 struct a_amv_mac_line
{
201 ui32_t aml_prespc
; /* Number of leading SPC, for display purposes */
202 char aml_dat
[n_VFIELD_SIZE(0)];
205 struct a_amv_mac_call_args
{
206 char const *amca_name
; /* For MACKY_MACK, this is *0*! */
207 struct a_amv_mac
*amca_amp
; /* "const", but for am_refcnt */
208 struct a_amv_var
**amca_unroller
;
209 void (*amca_hook_pre
)(void *);
212 bool_t amca_ps_hook_mask
;
213 bool_t amca_no_xcall
; /* We want n_GO_INPUT_NO_XCALL for this */
215 struct a_amv_var
*(*amca_local_vars
)[a_AMV_PRIME
]; /* `local's, or NULL */
216 struct a_amv_pospar amca_pospar
;
219 struct a_amv_lostack
{
220 struct a_amv_lostack
*as_global_saved
; /* Saved global XXX due to jump */
221 struct a_amv_mac_call_args
*as_amcap
;
222 struct a_amv_lostack
*as_up
; /* Outer context */
223 struct a_amv_var
*as_lopts
;
224 ui8_t as_loflags
; /* enum a_amv_mac_loflags */
229 struct a_amv_var
*av_link
;
232 char *av_env
; /* Actively managed putenv(3) memory, or NULL */
234 ui32_t av_flags
; /* enum a_amv_var_flags inclusive extended bits */
235 char av_name
[n_VFIELD_SIZE(4)];
237 n_CTA(a_AMV_VF_EXT__MASK
<= UI32_MAX
, "Enumeration excesses storage datatype");
239 struct a_amv_var_map
{
242 ui16_t avm_flags
; /* enum a_amv_var_flags without extended bits */
244 n_CTA(a_AMV_VF__MASK
<= UI16_MAX
, "Enumeration excesses storage datatype");
246 struct a_amv_var_virt
{
249 struct a_amv_var
const *avv_var
;
252 struct a_amv_var_defval
{
255 char const *avdv_value
; /* Only for !BOOL (otherwise plain existence) */
258 struct a_amv_var_carrier
{
259 char const *avc_name
;
262 struct a_amv_var
*avc_var
;
263 struct a_amv_var_map
const *avc_map
;
266 ui8_t avc_special_cat
;
267 /* Numerical parameter name if .avc_special_cat=a_AMV_VSC_POSPAR,
268 * otherwise a enum a_amv_var_special_type */
269 ui16_t avc_special_prop
;
272 /* Include constant make-okey-map.pl output, and the generated version data */
273 #include <gen-version.h>
274 #include <gen-okeys.h>
276 /* The currently active account */
277 static struct a_amv_mac
*a_amv_acc_curr
;
279 static struct a_amv_mac
*a_amv_macs
[a_AMV_PRIME
]; /* TODO dynamically spaced */
281 /* Unroll list of currently running macro stack */
282 static struct a_amv_lostack
*a_amv_lopts
;
284 static struct a_amv_var
*a_amv_vars
[a_AMV_PRIME
]; /* TODO dynamically spaced */
286 /* Global (i.e., non-local) a_AMV_VSC_POSPAR stack */
287 static struct a_amv_pospar a_amv_pospar
;
289 /* TODO We really deserve localopts support for *folder-hook*s, so hack it in
290 * TODO today via a static lostack, it should be a field in mailbox, once that
291 * TODO is a real multi-instance object */
292 static struct a_amv_var
*a_amv_folder_hook_lopts
;
294 /* TODO Rather ditto (except for storage -> cmd_ctx), compose hooks */
295 static struct a_amv_var
*a_amv_compose_lopts
;
297 /* Lookup for macros/accounts: if newamp is not NULL it will be linked in the
298 * map, if _MF_UNDEF is set a possibly existing entry will be removed (first).
299 * Returns NULL if a lookup failed, or if newamp was set, the found entry in
300 * plain lookup cases or when _UNDEF was performed on a currently active entry
301 * (the entry will have been unlinked, and the _MF_DELETE will be honoured once
302 * the reference count reaches 0), and (*)-1 if an _UNDEF was performed */
303 static struct a_amv_mac
*a_amv_mac_lookup(char const *name
,
304 struct a_amv_mac
*newamp
, enum a_amv_mac_flags amf
);
306 /* `call', `call_if' (and `xcall' via go.c -> c_call()) */
307 static int a_amv_mac_call(void *v
, bool_t silent_nexist
);
309 /* Execute a macro; amcap must reside in LOFI memory */
310 static bool_t
a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
);
312 static void a_amv_mac__finalize(void *vp
);
314 /* User display helpers */
315 static bool_t
a_amv_mac_show(enum a_amv_mac_flags amf
);
317 /* _def() returns error for faulty definitions and already existing * names,
318 * _undef() returns error if a named thing doesn't exist */
319 static bool_t
a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
);
320 static bool_t
a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
);
323 static void a_amv_mac_free(struct a_amv_mac
*amp
);
325 /* Update replay-log */
326 static void a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
327 struct a_amv_var
*oavp
);
328 static void a_amv_lopts_unroll(struct a_amv_var
**avpp
);
330 /* Special cased value string allocation */
331 static char *a_amv_var_copy(char const *str
);
332 static void a_amv_var_free(char *cp
);
334 /* Check for special housekeeping. _VIP_SET_POST and _VIP_CLEAR do not fail
335 * (or propagate errors), _VIP_SET_PRE may and should case abortion */
336 static bool_t
a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
,
337 enum okeys okey
, char const *val
);
339 /* _VF_NUM / _VF_POSNUM */
340 static bool_t
a_amv_var_check_num(char const *val
, bool_t posnum
);
342 /* If a variable name begins with a lowercase-character and contains at
343 * least one '@', it is converted to all-lowercase. This is necessary
344 * for lookups of names based on email addresses.
345 * Following the standard, only the part following the last '@' should
346 * be lower-cased, but practice has established otherwise here */
347 static char const *a_amv_var_canonify(char const *vn
);
349 /* Try to reverse lookup an option name to an enum okeys mapping.
350 * Updates .avc_name and .avc_hash; .avc_map is NULL if none found */
351 static bool_t
a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
,
354 /* Lookup a variable from .avc_(map|name|hash), return whether it was found.
355 * Sets .avc_prime; .avc_var is NULL if not found.
356 * Here it is where we care for _I3VAL and _DEFVAL.
357 * An _I3VAL will be "consumed" as necessary anyway, but it won't be used to
358 * create a new variable if _VLOOK_I3VAL_NONEW is set; if
359 * _VLOOK_I3VAL_NONEW_REPORT is set then we set .avc_var to -1 and return true
360 * if that was the case, otherwise we'll return FAL0, then! */
361 static bool_t
a_amv_var_lookup(struct a_amv_var_carrier
*avcp
,
362 enum a_amv_var_lookup_flags avlf
);
364 /* Lookup functions for special category variables, _pospar drives all
365 * positional parameter etc. special categories */
366 static char const *a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
);
367 static char const *a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
);
368 static char const *a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
);
370 /* Set var from .avc_(map|name|hash), return success */
371 static bool_t
a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
372 enum a_amv_var_setclr_flags avscf
);
374 static bool_t
a_amv_var__putenv(struct a_amv_var_carrier
*avcp
,
375 struct a_amv_var
*avp
);
377 /* Clear var from .avc_(map|name|hash); sets .avc_var=NULL, return success */
378 static bool_t
a_amv_var_clear(struct a_amv_var_carrier
*avcp
,
379 enum a_amv_var_setclr_flags avscf
);
381 static bool_t
a_amv_var__clearenv(char const *name
, struct a_amv_var
*avp
);
383 /* List all variables */
384 static void a_amv_var_show_all(void);
386 static int a_amv_var__show_cmp(void const *s1
, void const *s2
);
388 /* Actually do print one, return number of lines written */
389 static size_t a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
);
391 /* Shared c_set() and c_environ():set impl, return success */
392 static bool_t
a_amv_var_c_set(char **ap
, enum a_amv_var_setclr_flags avscf
);
394 static struct a_amv_mac
*
395 a_amv_mac_lookup(char const *name
, struct a_amv_mac
*newamp
,
396 enum a_amv_mac_flags amf
){
397 struct a_amv_mac
*amp
, **ampp
;
399 enum a_amv_mac_flags save_amf
;
403 amf
&= a_AMV_MF_TYPE_MASK
;
404 h
= a_AMV_NAME2HASH(name
);
405 h
= a_AMV_HASH2PRIME(h
);
406 ampp
= &a_amv_macs
[h
];
408 for(amp
= *ampp
; amp
!= NULL
; ampp
= &(*ampp
)->am_next
, amp
= amp
->am_next
){
409 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
&&
410 !strcmp(amp
->am_name
, name
)){
411 if(n_LIKELY((save_amf
& a_AMV_MF_UNDEF
) == 0))
414 *ampp
= amp
->am_next
;
416 if(amp
->am_refcnt
> 0){
417 amp
->am_flags
|= a_AMV_MF_DELETE
;
418 if(n_poption
& n_PO_D_V
)
419 n_err(_("Delayed deletion of currently active %s: %s\n"),
420 (amp
->am_flags
& a_AMV_MF_ACCOUNT
? "account" : "define"),
424 amp
= (struct a_amv_mac
*)-1;
431 ampp
= &a_amv_macs
[h
];
432 newamp
->am_next
= *ampp
;
442 a_amv_mac_call(void *v
, bool_t silent_nexist
){
443 struct a_amv_mac
*amp
;
446 struct n_cmd_arg_ctx
*cacp
;
451 if(cacp
->cac_no
== 0){
452 n_err(_("Synopsis: call(_if)?: name [:<arguments>:]\n"));
453 n_pstate_err_no
= n_ERR_INVAL
;
458 name
= cacp
->cac_arg
->ca_arg
.ca_str
.s
;
460 if(n_UNLIKELY(cacp
->cac_no
> a_AMV_POSPAR_MAX
)){
461 n_err(_("Too many arguments to macro `call': %s\n"), name
);
462 n_pstate_err_no
= n_ERR_OVERFLOW
;
464 }else if(n_UNLIKELY((amp
= a_amv_mac_lookup(name
, NULL
, a_AMV_MF_NONE
)
467 n_err(_("Undefined macro called: %s\n"), n_shexp_quote_cp(name
, FAL0
));
468 n_pstate_err_no
= n_ERR_NOENT
;
472 struct a_amv_mac_call_args
*amcap
;
475 argc
= cacp
->cac_no
+ 1;
476 amcap
= n_lofi_alloc(sizeof *amcap
+ (argc
* sizeof *argv
));
477 argv
= (void*)&amcap
[1];
479 for(argc
= 0; (cacp
->cac_arg
= cacp
->cac_arg
->ca_next
) != NULL
; ++argc
)
480 argv
[argc
] = cacp
->cac_arg
->ca_arg
.ca_str
.s
;
483 memset(amcap
, 0, sizeof *amcap
);
484 amcap
->amca_name
= name
;
485 amcap
->amca_amp
= amp
;
486 if(a_amv_lopts
!= NULL
)
487 amcap
->amca_loflags
= (a_amv_lopts
->as_loflags
& a_AMV_LF_CALL_MASK
488 ) >> a_AMV_LF_CALL_TO_SCOPE_SHIFT
;
490 amcap
->amca_pospar
.app_count
= (ui16_t
)argc
;
491 amcap
->amca_pospar
.app_not_heap
= TRU1
;
492 amcap
->amca_pospar
.app_dat
= argv
;
495 (void)a_amv_mac_exec(amcap
);
504 a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
){
505 struct a_amv_lostack
*losp
;
506 struct a_amv_mac_line
**amlp
;
507 char **args_base
, **args
;
508 struct a_amv_mac
*amp
;
512 amp
= amcap
->amca_amp
;
513 assert(amp
!= NULL
&& amp
!= a_AMV_MACKY_MACK
);
515 /* XXX Unfortunately we yet need to dup the macro lines! :( */
516 args_base
= args
= n_alloc(sizeof(*args
) * (amp
->am_line_cnt
+1));
517 for(amlp
= amp
->am_line_dat
; *amlp
!= NULL
; ++amlp
)
518 *(args
++) = sbufdup((*amlp
)->aml_dat
, (*amlp
)->aml_len
);
521 losp
= n_lofi_alloc(sizeof *losp
);
522 losp
->as_global_saved
= a_amv_lopts
;
523 if((losp
->as_amcap
= amcap
)->amca_unroller
== NULL
){
524 losp
->as_up
= losp
->as_global_saved
;
525 losp
->as_lopts
= NULL
;
528 losp
->as_lopts
= *amcap
->amca_unroller
;
530 losp
->as_loflags
= amcap
->amca_loflags
;
533 if(amcap
->amca_hook_pre
!= NULL
)
534 n_PS_ROOT_BLOCK((*amcap
->amca_hook_pre
)(amcap
->amca_hook_arg
));
535 rv
= n_go_macro((n_GO_INPUT_NONE
|
536 (amcap
->amca_no_xcall
? n_GO_INPUT_NO_XCALL
: 0)),
537 amp
->am_name
, args_base
, &a_amv_mac__finalize
, losp
);
543 a_amv_mac__finalize(void *vp
){
544 struct a_amv_mac
*amp
;
545 struct a_amv_mac_call_args
*amcap
;
546 struct a_amv_lostack
*losp
;
550 a_amv_lopts
= losp
->as_global_saved
;
552 amcap
= losp
->as_amcap
;
554 /* Delete positional parameter stack */
555 if(!amcap
->amca_pospar
.app_not_heap
&& amcap
->amca_pospar
.app_maxcount
> 0){
558 for(i
= amcap
->amca_pospar
.app_maxcount
; i
-- != 0;)
559 n_free(n_UNCONST(amcap
->amca_pospar
.app_dat
[i
]));
560 n_free(amcap
->amca_pospar
.app_dat
);
563 /* `local' variable hashmap. These have no environment map, never */
564 if(amcap
->amca_local_vars
!= NULL
){
565 struct a_amv_var
**avpp_base
, **avpp
, *avp
;
567 for(avpp_base
= *amcap
->amca_local_vars
, avpp
= &avpp_base
[a_AMV_PRIME
];
568 avpp
-- != avpp_base
;)
569 while((avp
= *avpp
)){
570 assert((avp
->av_flags
& (a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
)) ==
571 (a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
));
572 assert(!(avp
->av_flags
&
573 ((a_AMV_VF__MASK
| a_AMV_VF_EXT__MASK
) &
574 ~(a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
))));
575 *avpp
= avp
->av_link
;
576 a_amv_var_free(avp
->av_value
);
582 /* Unroll `localopts', if applicable */
583 if(amcap
->amca_unroller
== NULL
){
584 if(losp
->as_lopts
!= NULL
)
585 a_amv_lopts_unroll(&losp
->as_lopts
);
587 *amcap
->amca_unroller
= losp
->as_lopts
;
589 if(amcap
->amca_ps_hook_mask
)
590 n_pstate
&= ~n_PS_HOOK_MASK
;
592 if((amp
= amcap
->amca_amp
) != a_AMV_MACKY_MACK
&& amp
!= NULL
&&
593 --amp
->am_refcnt
== 0 && (amp
->am_flags
& a_AMV_MF_DELETE
))
602 a_amv_mac_show(enum a_amv_mac_flags amf
){
603 size_t lc
, mc
, ti
, i
;
611 if((fp
= Ftmp(NULL
, "deflist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
613 n_perr(_("`define' or `account' list: cannot create temporary file"), 0);
617 amf
&= a_AMV_MF_TYPE_MASK
;
618 typestr
= (amf
& a_AMV_MF_ACCOUNT
) ? "account" : "define";
620 for(lc
= mc
= ti
= 0; ti
< a_AMV_PRIME
; ++ti
){
621 struct a_amv_mac
*amp
;
623 for(amp
= a_amv_macs
[ti
]; amp
!= NULL
; amp
= amp
->am_next
){
624 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
625 struct a_amv_mac_line
**amlpp
;
632 fprintf(fp
, "%s %s {\n", typestr
, amp
->am_name
);
633 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++lc
, ++amlpp
){
634 for(i
= (*amlpp
)->aml_prespc
; i
> 0; --i
)
636 fputs((*amlpp
)->aml_dat
, fp
);
645 page_or_print(fp
, lc
);
647 rv
= (ferror(fp
) == 0);
655 a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
){
657 ui32_t line_cnt
, maxlen
;
659 struct linelist
*ll_next
;
660 struct a_amv_mac_line
*ll_amlp
;
661 } *llp
, *ll_head
, *ll_tail
;
662 union {size_t s
; int i
; ui32_t ui
; size_t l
;} n
;
663 struct a_amv_mac
*amp
;
667 memset(&line
, 0, sizeof line
);
671 /* TODO We should have our input state machine which emits Line events,
672 * TODO and hook different consumers dependent on our content, as stated
673 * TODO in i think lex_input: like this local macros etc. would become
674 * TODO possible from the input side */
675 /* Read in the lines which form the macro content */
676 for(ll_tail
= ll_head
= NULL
, line_cnt
= maxlen
= 0;;){
680 n
.i
= n_go_input(n_GO_INPUT_CTX_DEFAULT
| n_GO_INPUT_NL_ESC
, n_empty
,
681 &line
.s
, &line
.l
, NULL
, NULL
);
685 n_err(_("Unterminated %s definition: %s\n"),
686 (amf
& a_AMV_MF_ACCOUNT
? "account" : "macro"), name
);
690 /* Trim WS, remember amount of leading spaces for display purposes */
691 for(cp
= line
.s
, leaspc
= 0; n
.ui
> 0; ++cp
, --n
.ui
)
693 leaspc
= (leaspc
+ 8u) & ~7u;
698 for(; n
.ui
> 0 && spacechar(cp
[n
.ui
- 1]); --n
.ui
)
703 maxlen
= n_MAX(maxlen
, n
.ui
);
706 /* Is is the closing brace? */
710 if(n_LIKELY(++line_cnt
< UI32_MAX
)){
711 struct a_amv_mac_line
*amlp
;
713 llp
= n_autorec_alloc(sizeof *llp
);
717 ll_tail
->ll_next
= llp
;
720 llp
->ll_amlp
= amlp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_mac_line
,
722 amlp
->aml_len
= n
.ui
-1;
723 amlp
->aml_prespc
= leaspc
;
724 memcpy(amlp
->aml_dat
, cp
, n
.ui
);
726 n_err(_("Too much content in %s definition: %s\n"),
727 (amf
& a_AMV_MF_ACCOUNT
? "account" : "macro"), name
);
732 /* Create the new macro */
733 n
.s
= strlen(name
) +1;
734 amp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_mac
, am_name
) + n
.s
);
735 memset(amp
, 0, n_VSTRUCT_SIZEOF(struct a_amv_mac
, am_name
));
736 amp
->am_maxlen
= maxlen
;
737 amp
->am_line_cnt
= line_cnt
;
739 memcpy(amp
->am_name
, name
, n
.s
);
741 struct a_amv_mac_line
**amlpp
;
743 amp
->am_line_dat
= amlpp
= n_alloc(sizeof(*amlpp
) * ++line_cnt
);
744 for(llp
= ll_head
; llp
!= NULL
; llp
= llp
->ll_next
)
745 *amlpp
++ = llp
->ll_amlp
;
749 /* Create entry, replace a yet existing one as necessary */
750 a_amv_mac_lookup(name
, amp
, amf
| a_AMV_MF_UNDEF
);
759 for(llp
= ll_head
; llp
!= NULL
; llp
= llp
->ll_next
)
760 n_free(llp
->ll_amlp
);
763 * n_free(amp->am_line_dat);
770 a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
){
771 struct a_amv_mac
*amp
;
777 if(n_LIKELY(name
[0] != '*' || name
[1] != '\0')){
778 if((amp
= a_amv_mac_lookup(name
, NULL
, amf
| a_AMV_MF_UNDEF
)) == NULL
){
779 n_err(_("%s not defined: %s\n"),
780 (amf
& a_AMV_MF_ACCOUNT
? "Account" : "Macro"), name
);
784 struct a_amv_mac
**ampp
, *lamp
;
786 for(ampp
= a_amv_macs
; PTRCMP(ampp
, <, &a_amv_macs
[n_NELEM(a_amv_macs
)]);
788 for(lamp
= NULL
, amp
= *ampp
; amp
!= NULL
;){
789 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
790 /* xxx Expensive but rare: be simple */
791 a_amv_mac_lookup(amp
->am_name
, NULL
, amf
| a_AMV_MF_UNDEF
);
792 amp
= (lamp
== NULL
) ? *ampp
: lamp
->am_next
;
804 a_amv_mac_free(struct a_amv_mac
*amp
){
805 struct a_amv_mac_line
**amlpp
;
808 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++amlpp
)
810 n_free(amp
->am_line_dat
);
816 a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
817 struct a_amv_var
*oavp
){
818 struct a_amv_var
*avp
;
822 /* Propagate unrolling up the stack, as necessary */
825 if(alp
->as_loflags
& a_AMV_LF_SCOPE_MASK
)
827 if((alp
= alp
->as_up
) == NULL
)
831 /* Check whether this variable is handled yet XXX Boost: ID check etc.!! */
832 for(avp
= alp
->as_lopts
; avp
!= NULL
; avp
= avp
->av_link
)
833 if(!strcmp(avp
->av_name
, name
))
836 nl
= strlen(name
) +1;
837 vl
= (oavp
!= NULL
) ? strlen(oavp
->av_value
) +1 : 0;
838 avp
= n_calloc(1, n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + nl
+ vl
);
839 avp
->av_link
= alp
->as_lopts
;
842 avp
->av_value
= &avp
->av_name
[nl
];
843 avp
->av_flags
= oavp
->av_flags
;
844 memcpy(avp
->av_value
, oavp
->av_value
, vl
);
846 if(oavp
->av_env
!= NULL
)
847 avp
->av_env
= sstrdup(oavp
->av_env
);
848 assert(avp
->av_env
== NULL
||
849 (avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
)));
852 memcpy(avp
->av_name
, name
, nl
);
858 a_amv_lopts_unroll(struct a_amv_var
**avpp
){
859 struct a_amv_lostack
*save_alp
;
860 struct a_amv_var
*x
, *avp
;
866 save_alp
= a_amv_lopts
;
871 n_PS_ROOT_BLOCK(n_var_vset(x
->av_name
, (uintptr_t)x
->av_value
));
874 a_amv_lopts
= save_alp
;
879 a_amv_var_copy(char const *str
){
885 news
= n_UNCONST(n_empty
);
886 else if(str
[1] == '\0'){
888 news
= n_UNCONST(n_1
);
889 else if(str
[0] == '0')
890 news
= n_UNCONST(n_0
);
893 }else if(str
[2] == '\0' && str
[0] == '-' && str
[1] == '1')
894 news
= n_UNCONST(n_m1
);
897 len
= strlen(str
) +1;
899 memcpy(news
, str
, len
);
906 a_amv_var_free(char *cp
){
908 if(cp
[0] != '\0' && cp
!= n_0
&& cp
!= n_1
&& cp
!= n_m1
)
914 a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
, enum okeys okey
,
921 if(avvm
== a_AMV_VIP_SET_PRE
){
925 case ok_v_customhdr
:{
928 struct n_header_field
*hflp
, **hflpp
, *hfp
;
935 while((vp
= n_strsep_esc(&buf
, ',', TRU1
)) != NULL
){
936 if(!n_header_add_custom(hflpp
, vp
, TRU1
)){
937 n_err(_("Invalid *customhdr* entry: %s\n"),
938 n_shexp_quote_cp(val
, FAL0
));
942 hflpp
= &(*hflpp
)->hf_next
;
945 hflpp
= ok
? &n_customhdr_list
: &hflp
;
946 while((hfp
= *hflpp
) != NULL
){
947 *hflpp
= hfp
->hf_next
;
951 n_customhdr_list
= hflp
;
954 /* Note this gets called from main.c during initialization, and they
955 * simply set this to pw_dir as a fallback: don't verify _that_ call.
957 if(!(n_pstate
& n_PS_ROOT
) && !n_is_dir(val
, TRUM1
)){
958 n_err(_("$HOME is not a directory or not accessible: %s\n"),
959 n_shexp_quote_cp(val
, FAL0
));
963 case ok_v_quote_chars
:{
966 while((c
= *val
++) != '\0')
967 if(!asciichar(c
) || blankspacechar(c
)){
973 if(!n_is_dir(val
, TRU1
)){
974 n_err(_("$TMPDIR is not a directory or not accessible: %s\n"),
975 n_shexp_quote_cp(val
, FAL0
));
983 n_idec_ui64_cp(&uib
, val
, 0, NULL
);
984 if(uib
& ~0777u){ /* (is valid _VF_POSNUM) */
985 n_err(_("Invalid *umask* setting: %s\n"), val
);
991 }else if(avvm
== a_AMV_VIP_SET_POST
){
999 n_poption
|= n_PO_DEBUG
;
1002 /* Invalidate any resolved folder then, too
1005 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
1010 x_b
= x
= n_autorec_alloc(strlen(val
) +1);
1011 while((c
= *val
++) != '\0')
1015 n_PS_ROOT_BLOCK(ok_vset(ifs_ws
, x_b
));
1017 #ifdef HAVE_SETLOCALE
1025 n_poption
|= n_PO_MEMDEBUG
;
1027 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
1028 if(!(n_pstate
& n_PS_ROOT
))
1029 n_PS_ROOT_BLOCK(ok_bset(posix
));
1031 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
1032 if(!(n_pstate
& n_PS_ROOT
))
1033 n_PS_ROOT_BLOCK(ok_bset(POSIXLY_CORRECT
));
1035 case ok_b_skipemptybody
:
1036 n_poption
|= n_PO_E_FLAG
;
1038 case ok_b_typescript_mode
:
1039 ok_bset(colour_disable
);
1040 ok_bset(line_editor_disable
);
1041 if(!(n_psonce
& n_PSO_STARTED
))
1042 ok_bset(termcap_disable
);
1048 n_idec_ui64_cp(&uib
, val
, 0, NULL
);
1053 n_poption
|= (n_poption
& n_PO_VERB
) ? n_PO_VERBVERB
: n_PO_VERB
;
1064 n_poption
&= ~n_PO_DEBUG
;
1066 case ok_v_customhdr
:{
1067 struct n_header_field
*hfp
;
1069 while((hfp
= n_customhdr_list
) != NULL
){
1070 n_customhdr_list
= hfp
->hf_next
;
1075 /* Invalidate any resolved folder then, too
1078 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
1081 n_poption
&= ~n_PO_MEMDEBUG
;
1083 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
1084 if(!(n_pstate
& n_PS_ROOT
))
1085 n_PS_ROOT_BLOCK(ok_bclear(posix
));
1087 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
1088 if(!(n_pstate
& n_PS_ROOT
))
1089 n_PS_ROOT_BLOCK(ok_bclear(POSIXLY_CORRECT
));
1091 case ok_b_skipemptybody
:
1092 n_poption
&= ~n_PO_E_FLAG
;
1095 n_poption
&= ~(n_PO_VERB
| n_PO_VERBVERB
);
1104 a_amv_var_check_num(char const *val
, bool_t posnum
){
1105 /* TODO The internal/environment variables which are num= or posnum= should
1106 * TODO gain special lookup functions, or the return should be void* and
1107 * TODO castable to integer; i.e. no more strtoX() should be needed.
1108 * TODO I.e., the result of this function should instead be stored */
1114 if(*val
!= '\0'){ /* Would be _VF_NOTEMPTY if not allowed */
1116 enum n_idec_state ids
;
1118 ids
= n_idec_cp(&uib
, val
, 0,
1119 (n_IDEC_MODE_LIMIT_32BIT
|
1120 (posnum
? n_IDEC_MODE_SIGNED_TYPE
: n_IDEC_MODE_NONE
)), NULL
);
1121 if((ids
& (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
1122 ) != n_IDEC_STATE_CONSUMED
)
1124 /* TODO Unless we store integers we need to look and forbid, because
1125 * TODO callee may not be able to swallow, e.g., "-1" */
1126 if(posnum
&& (ids
& n_IDEC_STATE_SEEN_MINUS
))
1134 a_amv_var_canonify(char const *vn
){
1136 if(!upperchar(*vn
)){
1139 for(vp
= vn
; *vp
!= '\0' && *vp
!= '@'; ++vp
)
1141 vn
= (*vp
== '@') ? i_strdup(vn
) : vn
;
1148 a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
, char const *name
){
1150 struct a_amv_var_map
const *avmp
;
1154 /* It may be a special a.k.a. macro-local or one-letter parameter */
1156 if(n_UNLIKELY(digitchar(c
))){
1157 /* (Inline dec. atoi, ugh) */
1158 for(j
= (ui8_t
)c
- '0', i
= 1;; ++i
){
1163 goto jno_special_param
;
1164 j
= j
* 10 + (ui8_t
)c
- '0';
1166 if(j
<= a_AMV_POSPAR_MAX
){
1167 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR
;
1168 goto jspecial_param
;
1170 }else if(n_UNLIKELY(name
[1] == '\0')){
1174 avcp
->avc_special_cat
= a_AMV_VSC_GLOBAL
;
1175 j
= (c
== '?') ? a_AMV_VST_QM
: a_AMV_VST_EM
;
1176 goto jspecial_param
;
1180 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1182 goto jspecial_param
;
1184 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1186 goto jspecial_param
;
1188 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1189 j
= a_AMV_VST_NOSIGN
;
1190 goto jspecial_param
;
1196 avcp
->avc_special_cat
= a_AMV_VSC_MULTIPLEX
;
1198 goto jspecial_param
;
1201 /* Normal reverse lookup, walk over the hashtable */
1203 avcp
->avc_special_cat
= a_AMV_VSC_NONE
;
1204 avcp
->avc_name
= name
= a_amv_var_canonify(name
);
1205 avcp
->avc_hash
= hash
= a_AMV_NAME2HASH(name
);
1207 for(i
= hash
% a_AMV_VAR_REV_PRIME
, j
= 0; j
<= a_AMV_VAR_REV_LONGEST
; ++j
){
1210 if((x
= a_amv_var_revmap
[i
]) == a_AMV_VAR_REV_ILL
)
1213 avmp
= &a_amv_var_map
[x
];
1214 if(avmp
->avm_hash
== hash
&&
1215 !strcmp(&a_amv_var_names
[avmp
->avm_keyoff
], name
)){
1216 avcp
->avc_map
= avmp
;
1217 avcp
->avc_okey
= (enum okeys
)x
;
1221 if(++i
== a_AMV_VAR_REV_PRIME
){
1222 #ifdef a_AMV_VAR_REV_WRAPAROUND
1230 avcp
->avc_map
= NULL
;
1233 assert(avcp
== NULL
|| avcp
->avc_map
!= NULL
||
1234 avcp
->avc_special_cat
== a_AMV_VSC_NONE
);
1236 return (avcp
!= NULL
);
1238 /* All these are mapped to *--special-param* */
1240 avcp
->avc_name
= name
;
1241 avcp
->avc_special_prop
= (ui16_t
)j
;
1242 avmp
= &a_amv_var_map
[a_AMV_VAR__SPECIAL_PARAM_MAP_IDX
];
1243 avcp
->avc_hash
= avmp
->avm_hash
;
1244 avcp
->avc_map
= avmp
;
1245 avcp
->avc_okey
= ok_v___special_param
;
1250 a_amv_var_lookup(struct a_amv_var_carrier
*avcp
,
1251 enum a_amv_var_lookup_flags avlf
){
1254 struct a_amv_var_map
const *avmp
;
1255 struct a_amv_var
*avp
;
1258 assert(!(avlf
& a_AMV_VLOOK_LOCAL_ONLY
) || (avlf
& a_AMV_VLOOK_LOCAL
));
1259 assert(!(avlf
& a_AMV_VLOOK_I3VAL_NONEW_REPORT
) ||
1260 (avlf
& a_AMV_VLOOK_I3VAL_NONEW
));
1263 struct a_amv_var
**avpp
, *lavp
;
1265 avcp
->avc_prime
= a_AMV_HASH2PRIME(avcp
->avc_hash
);
1267 /* Optionally macro-`local' variables first */
1268 if(avlf
& a_AMV_VLOOK_LOCAL
){
1269 if(a_amv_lopts
!= NULL
&&
1270 (avpp
= *a_amv_lopts
->as_amcap
->amca_local_vars
) != NULL
){
1271 avpp
+= avcp
->avc_prime
;
1273 for(lavp
= NULL
, avp
= *avpp
; avp
!= NULL
;
1274 lavp
= avp
, avp
= avp
->av_link
)
1275 if(!strcmp(avp
->av_name
, avcp
->avc_name
)){
1276 /* Relink as head, hope it "sorts on usage" over time.
1277 * The code relies on this behaviour! */
1279 lavp
->av_link
= avp
->av_link
;
1280 avp
->av_link
= *avpp
;
1287 if(avlf
& a_AMV_VLOOK_LOCAL_ONLY
)
1291 /* Global variable map */
1292 avpp
= &a_amv_vars
[avcp
->avc_prime
];
1294 for(lavp
= NULL
, avp
= *avpp
; avp
!= NULL
; lavp
= avp
, avp
= avp
->av_link
)
1295 if(!strcmp(avp
->av_name
, avcp
->avc_name
)){
1296 /* Relink as head, hope it "sorts on usage" over time.
1297 * The code relies on this behaviour! */
1299 lavp
->av_link
= avp
->av_link
;
1300 avp
->av_link
= *avpp
;
1304 /* If this setting has been established via -S and we still have
1305 * not reached the _STARTED_CONFIG program state, it may have been
1306 * an explicit "clearance" that is to be treated as unset.
1307 * Because that is a special condition that (has been hacked in
1308 * later and) needs to be encapsulated in lower levels, but not
1309 * of interest if _set() or _clear() called us */
1310 switch(avp
->av_flags
& a_AMV_VF_EXT__FROZEN_MASK
){
1311 case a_AMV_VF_EXT_FROZEN
| a_AMV_VF_EXT_FROZEN_UNSET
:
1312 if(!(avlf
& a_AMV_VLOOK_I3VAL_NONEW
)){
1313 avcp
->avc_var
= avp
;
1325 /* If this is not an assembled variable we need to consider some special
1326 * initialization cases and eventually create the variable anew */
1327 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1328 /* Does it have an import-from-environment flag? */
1329 if(n_UNLIKELY((avmp
->avm_flags
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
)) != 0)){
1330 if(n_LIKELY((cp
= getenv(avcp
->avc_name
)) != NULL
)){
1331 /* May be better not to use that one, though? */
1332 /* TODO Outsource the tests into a _shared_ test function! */
1333 bool_t isempty
, isbltin
;
1335 isempty
= (*cp
== '\0' &&
1336 (avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) != 0);
1337 isbltin
= ((avmp
->avm_flags
& (a_AMV_VF_I3VAL
| a_AMV_VF_DEFVAL
)
1340 if(n_UNLIKELY(isempty
)){
1341 n_err(_("Environment variable must not be empty: %s\n"),
1345 }else if(n_LIKELY(*cp
!= '\0')){
1346 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1347 !a_amv_var_check_num(cp
, FAL0
))){
1348 n_err(_("Environment variable value not a number "
1349 "or out of range: %s\n"), avcp
->avc_name
);
1352 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1353 !a_amv_var_check_num(cp
, TRU1
))){
1354 n_err(_("Environment variable value not a number, "
1355 "negative or out of range: %s\n"), avcp
->avc_name
);
1364 /* A first-time init switch is to be handled now and here */
1365 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_I3VAL
) != 0)){
1366 static struct a_amv_var_defval
const **arr
,
1367 *arr_base
[a_AMV_VAR_I3VALS_CNT
+1];
1371 arr
[i
= a_AMV_VAR_I3VALS_CNT
] = NULL
;
1373 arr
[i
] = &a_amv_var_i3vals
[i
];
1376 for(i
= 0; arr
[i
] != NULL
; ++i
)
1377 if(arr
[i
]->avdv_okey
== avcp
->avc_okey
){
1378 cp
= (avmp
->avm_flags
& a_AMV_VF_BOOL
) ? n_1
1379 : arr
[i
]->avdv_value
;
1380 /* Remove this entry, hope entire block becomes no-op asap */
1382 arr
[i
] = arr
[i
+ 1];
1383 while(arr
[i
++] != NULL
);
1385 if(!(avlf
& a_AMV_VLOOK_I3VAL_NONEW
))
1387 if(avlf
& a_AMV_VLOOK_I3VAL_NONEW_REPORT
)
1388 avp
= (struct a_amv_var
*)-1;
1395 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0){
1396 for(i
= 0; i
< a_AMV_VAR_DEFVALS_CNT
; ++i
)
1397 if(a_amv_var_defvals
[i
].avdv_okey
== avcp
->avc_okey
){
1398 cp
= (avmp
->avm_flags
& a_AMV_VF_BOOL
) ? n_1
1399 : a_amv_var_defvals
[i
].avdv_value
;
1404 /* The virtual variables */
1405 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIRT
) != 0)){
1406 for(i
= 0; i
< a_AMV_VAR_VIRTS_CNT
; ++i
)
1407 if(a_amv_var_virts
[i
].avv_okey
== avcp
->avc_okey
){
1408 avp
= n_UNCONST(a_amv_var_virts
[i
].avv_var
);
1418 avcp
->avc_var
= avp
;
1421 return (avp
!= NULL
);
1424 /* E.g., $TMPDIR may be set to non-existent, so we need to be able to catch
1425 * that and redirect to a possible default value */
1426 if((avmp
->avm_flags
& a_AMV_VF_VIP
) &&
1427 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, cp
)){
1429 if(avmp
->avm_flags
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
))
1430 unsetenv(avcp
->avc_name
);
1432 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0)
1436 struct a_amv_var
**avpp
;
1439 l
= strlen(avcp
->avc_name
) +1;
1441 avp
= n_calloc(1, n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1442 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1444 avp
->av_flags
= avmp
->avm_flags
;
1445 avp
->av_value
= a_amv_var_copy(cp
);
1446 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1448 if(avp
->av_flags
& a_AMV_VF_ENV
)
1449 a_amv_var__putenv(avcp
, avp
);
1450 if(avmp
->avm_flags
& a_AMV_VF_VIP
)
1451 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, cp
);
1457 a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
){
1461 struct a_amv_var_map
const *avmp
;
1464 /* Not function local, TODO but lazy evaluted for now */
1465 if(avcp
->avc_special_prop
== a_AMV_VST_QM
){
1466 avmp
= &a_amv_var_map
[a_AMV_VAR__QM_MAP_IDX
];
1467 avcp
->avc_okey
= ok_v___qm
;
1468 ep
= &n_pstate_ex_no
;
1470 avmp
= &a_amv_var_map
[a_AMV_VAR__EM_MAP_IDX
];
1471 avcp
->avc_okey
= ok_v___em
;
1472 ep
= &n_pstate_err_no
;
1475 /* XXX Oh heaven, we are responsible to ensure that $?/! is up-to-date
1476 * TODO we could num=1 ok_v___[qe]m, but the thing is still a string
1477 * TODO and thus conversion takes places over and over again; also
1478 * TODO for now that would have to occur before we set _that_ value
1479 * TODO so let's special treat it until we store ints as such */
1481 case 0: rv
= n_0
; break;
1482 case 1: rv
= n_1
; break;
1484 snprintf(itoabuf
, sizeof itoabuf
, "%d", *ep
);
1488 n_PS_ROOT_BLOCK(n_var_okset(avcp
->avc_okey
, (uintptr_t)rv
));
1490 avcp
->avc_hash
= avmp
->avm_hash
;
1491 avcp
->avc_map
= avmp
;
1492 rv
= a_amv_var_lookup(avcp
, a_AMV_VLOOK_NONE
)
1493 ? avcp
->avc_var
->av_value
: NULL
;
1499 a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
){
1506 i
= strlen(rv
= &avcp
->avc_name
[1]);
1508 /* ERR, ERRDOC, ERRNAME, plus *-NAME variants */
1509 if(rv
[0] == 'E' && i
>= 3 && rv
[1] == 'R' && rv
[2] == 'R'){
1511 e
= n_pstate_err_no
;
1513 }else if(rv
[3] == '-'){
1514 e
= n_err_from_name(&rv
[4]);
1517 case 0: rv
= n_0
; break;
1518 case 1: rv
= n_1
; break;
1520 snprintf(itoabuf
, sizeof itoabuf
, "%d", e
);
1521 rv
= savestr(itoabuf
); /* XXX yet, cannot do numbers */
1526 if(!memcmp(&rv
[3], "DOC", 3)){
1529 case '\0': e
= n_pstate_err_no
; break;
1530 case '-': e
= n_err_from_name(&rv
[1]); break;
1533 rv
= n_err_to_doc(e
);
1535 }else if(i
>= 7 && !memcmp(&rv
[3], "NAME", 4)){
1538 case '\0': e
= n_pstate_err_no
; break;
1539 case '-': e
= n_err_from_name(&rv
[1]); break;
1542 rv
= n_err_to_name(e
);
1556 a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
){
1559 char const *rv
, **argv
;
1564 /* If in a macro/xy.. */
1565 if(a_amv_lopts
!= NULL
){
1567 struct a_amv_mac_call_args
*amcap
;
1569 amcap
= a_amv_lopts
->as_amcap
;
1570 argc
= amcap
->amca_pospar
.app_count
;
1571 argv
= amcap
->amca_pospar
.app_dat
;
1572 argv
+= amcap
->amca_pospar
.app_idx
;
1574 /* ..in a `call'ed macro only, to be exact. Or in a_AMV_MACKY_MACK */
1575 if(!(ismacky
= (amcap
->amca_amp
== a_AMV_MACKY_MACK
)) &&
1576 (amcap
->amca_ps_hook_mask
||
1577 (assert(amcap
->amca_amp
!= NULL
),
1578 (amcap
->amca_amp
->am_flags
& a_AMV_MF_TYPE_MASK
1579 ) == a_AMV_MF_ACCOUNT
)))
1582 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1583 if(avcp
->avc_special_prop
> 0){
1584 if(argc
>= avcp
->avc_special_prop
)
1585 rv
= argv
[avcp
->avc_special_prop
- 1];
1587 rv
= amcap
->amca_name
;
1589 rv
= (a_amv_lopts
->as_up
!= NULL
1590 ? a_amv_lopts
->as_up
->as_amcap
->amca_name
: n_empty
);
1593 /* MACKY_MACK doesn't know about [*@#] */
1594 /*else*/ if(ismacky
){
1595 if(n_poption
& n_PO_D_V
)
1596 n_err(_("Cannot use $*/$@/$# in this context: %s\n"),
1597 n_shexp_quote_cp(avcp
->avc_name
, FAL0
));
1601 argc
= a_amv_pospar
.app_count
;
1602 argv
= a_amv_pospar
.app_dat
;
1603 argv
+= a_amv_pospar
.app_idx
;
1605 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1606 if(avcp
->avc_special_prop
> 0){
1607 if(argc
>= avcp
->avc_special_prop
)
1608 rv
= argv
[avcp
->avc_special_prop
- 1];
1615 switch(avcp
->avc_special_prop
){ /* XXX OPTIMIZE */
1616 case a_AMV_VST_STAR
:{
1619 sep
= *ok_vlook(ifs
);
1624 for(i
= j
= 0; i
< argc
; ++i
)
1625 j
+= strlen(argv
[i
]) + 1;
1631 rv
= cp
= n_autorec_alloc(j
);
1632 for(i
= j
= 0; i
< argc
; ++i
){
1633 j
= strlen(argv
[i
]);
1634 memcpy(cp
, argv
[i
], j
);
1644 case a_AMV_VST_NOSIGN
:{
1647 rv
= cp
= n_autorec_alloc(sizeof("65535"));
1648 snprintf(cp
, sizeof("65535"), "%hu", argc
);
1660 a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
1661 enum a_amv_var_setclr_flags avscf
){
1662 struct a_amv_var
*avp
;
1664 struct a_amv_var_map
const *avmp
;
1669 rv
= a_amv_var_clear(avcp
, avscf
);
1673 if((avmp
= avcp
->avc_map
) != NULL
){
1676 /* Validity checks */
1677 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_RDONLY
) != 0 &&
1678 !(n_pstate
& n_PS_ROOT
))){
1679 value
= N_("Variable is read-only: %s\n");
1682 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) && *value
== '\0')){
1683 value
= N_("Variable must not be empty: %s\n");
1686 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1687 !a_amv_var_check_num(value
, FAL0
))){
1688 value
= N_("Variable value not a number or out of range: %s\n");
1691 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1692 !a_amv_var_check_num(value
, TRU1
))){
1693 value
= _("Variable value not a number, negative, "
1694 "or out of range: %s\n");
1697 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_IMPORT
) != 0 &&
1698 !(n_psonce
& n_PSO_STARTED
) && !(n_pstate
& n_PS_ROOT
))){
1699 value
= N_("Variable cannot be set in a resource file: %s\n");
1703 /* Any more complicated inter-dependency? */
1704 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1705 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, value
))){
1706 value
= N_("Assignment of variable aborted: %s\n");
1708 n_err(V_(value
), avcp
->avc_name
);
1712 /* Transformations */
1713 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_LOWER
)){
1716 oval
= savestr(value
);
1718 for(; (c
= *oval
) != '\0'; ++oval
)
1719 *oval
= lowerconv(c
);
1722 /* Obsoletion warning */
1723 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_OBSOLETE
) != 0))
1724 n_OBSOLETE2(_("obsoleted variable"), avcp
->avc_name
);
1727 /* Lookup possibly existing var. For */
1730 a_amv_var_lookup(avcp
, (a_AMV_VLOOK_I3VAL_NONEW
|
1731 ((avscf
& a_AMV_VSETCLR_LOCAL
)
1732 ? (a_AMV_VLOOK_LOCAL
| a_AMV_VLOOK_LOCAL_ONLY
) : 0)));
1733 avp
= avcp
->avc_var
;
1735 /* A `local' setting is never covered by `localopts' nor frozen */
1736 if(avscf
& a_AMV_VSETCLR_LOCAL
)
1739 /* If this setting had been established via -S and we still have not reached
1740 * the _STARTED_CONFIG program state, silently ignore request! */
1741 if(n_UNLIKELY(avp
!= NULL
) &&
1742 n_UNLIKELY((avp
->av_flags
& a_AMV_VF_EXT__FROZEN_MASK
) != 0)){
1743 if(!(n_psonce
& n_PSO_STARTED_CONFIG
)){
1744 if((n_pstate
& n_PS_ROOT
) ||
1745 (!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
1746 (n_poption
& n_PO_S_FLAG_TEMPORARY
)))
1748 if(n_poption
& n_PO_D_VV
)
1749 n_err(_("Temporarily frozen by -S, not `set'ing: %s\n"),
1754 /* Otherwise, if -S freezing was an `unset' request, be very simple and
1755 * avoid tampering with that very special case we are not really prepared
1756 * for just one more line of code: throw the old thing away! */
1757 if(!(avp
->av_flags
& a_AMV_VF_EXT_FROZEN_UNSET
))
1758 avp
->av_flags
&= ~a_AMV_VF_EXT__FROZEN_MASK
;
1760 assert(avp
->av_value
== n_empty
);
1761 a_amv_vars
[avcp
->avc_prime
] = avp
->av_link
;
1763 avcp
->avc_var
= avp
= NULL
;
1767 /* Optionally cover by `localopts' */
1768 if(n_UNLIKELY(a_amv_lopts
!= NULL
) &&
1769 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
1770 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
1775 oval
= avp
->av_value
;
1778 struct a_amv_var
**avpp
;
1780 if(avscf
& a_AMV_VSETCLR_LOCAL
){
1781 if((avpp
= *a_amv_lopts
->as_amcap
->amca_local_vars
) == NULL
)
1782 avpp
= *(a_amv_lopts
->as_amcap
->amca_local_vars
=
1783 n_calloc(1, sizeof(*a_amv_lopts
->as_amcap
->amca_local_vars
)));
1784 avpp
+= avcp
->avc_prime
;
1786 avpp
= &a_amv_vars
[avcp
->avc_prime
];
1788 l
= strlen(avcp
->avc_name
) +1;
1789 avcp
->avc_var
= avp
= n_calloc(1,
1790 n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1791 avp
->av_link
= *avpp
;
1793 avp
->av_flags
= (avscf
& a_AMV_VSETCLR_LOCAL
)
1794 ? a_AMV_VF_NOLOPTS
| a_AMV_VF_EXT_LOCAL
1795 : (avmp
!= NULL
) ? avmp
->avm_flags
: 0;
1796 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1797 oval
= n_UNCONST(n_empty
);
1801 avp
->av_value
= a_amv_var_copy(value
);
1803 assert(!(avscf
& a_AMV_VSETCLR_LOCAL
));
1804 /* Via `set' etc. the user may give even boolean options non-boolean
1805 * values, ignore that and force boolean */
1806 if(!(avp
->av_flags
& a_AMV_VF_BOOL
))
1807 avp
->av_value
= a_amv_var_copy(value
);
1809 if(!(n_pstate
& n_PS_ROOT
) && (n_poption
& n_PO_D_V
) &&
1811 n_err(_("Ignoring value of boolean variable: %s: %s\n"),
1812 avcp
->avc_name
, value
);
1813 avp
->av_value
= n_UNCONST(n_1
);
1817 /* A `local' setting can skip all the crude special things */
1818 if(!(avscf
& a_AMV_VSETCLR_LOCAL
)){
1819 if((avscf
& a_AMV_VSETCLR_ENV
) && !(avp
->av_flags
& a_AMV_VF_ENV
))
1820 avp
->av_flags
|= a_AMV_VF_EXT_LINKED
;
1821 if(avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
))
1822 rv
= a_amv_var__putenv(avcp
, avp
);
1823 if(avp
->av_flags
& a_AMV_VF_VIP
)
1824 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, value
);
1826 avp
->av_flags
&= ~a_AMV_VF_EXT__FROZEN_MASK
;
1827 if(!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
1828 (n_poption
& n_PO_S_FLAG_TEMPORARY
) != 0)
1829 avp
->av_flags
|= a_AMV_VF_EXT_FROZEN
;
1832 a_amv_var_free(oval
);
1839 a_amv_var__putenv(struct a_amv_var_carrier
*avcp
, struct a_amv_var
*avp
){
1847 rv
= (setenv(avcp
->avc_name
, avp
->av_value
, 1) == 0);
1849 cp
= sstrdup(savecatsep(avcp
->avc_name
, '=', avp
->av_value
));
1851 if((rv
= (putenv(cp
) == 0))){
1867 a_amv_var_clear(struct a_amv_var_carrier
*avcp
,
1868 enum a_amv_var_setclr_flags avscf
){
1869 struct a_amv_var
**avpp
, *avp
;
1870 struct a_amv_var_map
const *avmp
;
1876 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1877 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NODEL
) != 0 &&
1878 !(n_pstate
& n_PS_ROOT
))){
1879 n_err(_("Variable may not be unset: %s\n"), avcp
->avc_name
);
1882 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1883 !a_amv_var_check_vips(a_AMV_VIP_CLEAR
, avcp
->avc_okey
, NULL
))){
1884 n_err(_("Clearance of variable aborted: %s\n"), avcp
->avc_name
);
1891 if(n_UNLIKELY(!a_amv_var_lookup(avcp
,
1892 (((avscf
& a_AMV_VSETCLR_LOCAL
)
1893 ? (a_AMV_VLOOK_LOCAL
| a_AMV_VLOOK_LOCAL_ONLY
) : 0) |
1894 a_AMV_VLOOK_I3VAL_NONEW
| a_AMV_VLOOK_I3VAL_NONEW_REPORT
)))){
1895 assert(avcp
->avc_var
== NULL
);
1896 /* This may be a clearance request from the command line, via -S, and we
1897 * need to keep track of that! Unfortunately we are not prepared for
1898 * this, really, so we need to create a fake entry that is known and
1899 * handled correctly by the lowermost variable layer!
1900 * However, all this cannot happen for plain unset of `local' variables */
1901 if(avscf
& a_AMV_VSETCLR_LOCAL
)
1903 if(n_UNLIKELY(!(n_psonce
& n_PSO_STARTED_GETOPT
)) &&
1904 (n_poption
& n_PO_S_FLAG_TEMPORARY
)) Jfreeze
:{
1907 l
= strlen(avcp
->avc_name
) +1;
1908 avp
= n_calloc(1, n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1909 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1911 avp
->av_value
= n_UNCONST(n_empty
); /* Sth. covered by _var_free()! */
1912 avp
->av_flags
= (avmp
!= NULL
? avmp
->avm_flags
: 0) |
1913 a_AMV_VF_EXT_FROZEN
| a_AMV_VF_EXT_FROZEN_UNSET
;
1914 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1916 if((avscf
& a_AMV_VSETCLR_ENV
) ||
1917 (avmp
!= NULL
&& (avmp
->avm_flags
& a_AMV_VF_ENV
)))
1918 a_amv_var__clearenv(avcp
->avc_name
, NULL
);
1919 }else if(avscf
& a_AMV_VSETCLR_ENV
){
1921 if(!(rv
= a_amv_var__clearenv(avcp
->avc_name
, NULL
)))
1922 goto jerr_env_unset
;
1924 /* TODO "cannot unset undefined variable" not echoed in "ROBOT" state,
1925 * TODO should only be like that with "ignerr"! */
1927 if(!(n_pstate
& (n_PS_ROOT
| n_PS_ROBOT
)) && (n_poption
& n_PO_D_V
))
1928 n_err(_("Cannot unset undefined variable: %s\n"), avcp
->avc_name
);
1931 }else if((avp
= avcp
->avc_var
) == (struct a_amv_var
*)-1){
1932 /* Clearance request from command line, via -S? As above.. */
1933 if(n_UNLIKELY(!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
1934 (n_poption
& n_PO_S_FLAG_TEMPORARY
) != 0))
1936 avcp
->avc_var
= NULL
;
1937 if(avscf
& a_AMV_VSETCLR_ENV
)
1941 assert(avcp
->avc_var
!= NULL
);
1943 /* `local' variables bypass "frozen" checks and `localopts' coverage etc. */
1944 if(avp
->av_flags
& a_AMV_VF_EXT_LOCAL
)
1947 /* If this setting has been established via -S and we still have not reached
1948 * the _STARTED_CONFIG program state, silently ignore request!
1949 * XXX All this is very complicated for the tenth of a second */
1950 /*else*/ if(n_UNLIKELY((avp
->av_flags
& a_AMV_VF_EXT__FROZEN_MASK
) != 0)){
1951 if(!(n_psonce
& n_PSO_STARTED_CONFIG
)){
1952 if((n_pstate
& n_PS_ROOT
) ||
1953 (!(n_psonce
& n_PSO_STARTED_GETOPT
) &&
1954 (n_poption
& n_PO_S_FLAG_TEMPORARY
))){
1955 /* Be aware this may turn a set into an unset! */
1956 if(!(avp
->av_flags
& a_AMV_VF_EXT_FROZEN_UNSET
)){
1957 if(avp
->av_flags
& a_AMV_VF_DEFVAL
)
1959 a_amv_var_free(avp
->av_value
);
1960 avp
->av_flags
|= a_AMV_VF_EXT_FROZEN_UNSET
;
1961 avp
->av_value
= n_UNCONST(n_empty
); /* _var_free() covered */
1962 if(avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
))
1967 if(n_poption
& n_PO_D_VV
)
1968 n_err(_("Temporarily frozen by -S, not `unset'ting: %s\n"),
1972 avp
->av_flags
&= ~a_AMV_VF_EXT__FROZEN_MASK
;
1975 if(n_UNLIKELY(a_amv_lopts
!= NULL
) &&
1976 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
1977 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
1980 assert(avp
== avcp
->avc_var
);
1981 avcp
->avc_var
= NULL
;
1982 avpp
= &((avp
->av_flags
& a_AMV_VF_EXT_LOCAL
)
1983 ? *a_amv_lopts
->as_amcap
->amca_local_vars
: a_amv_vars
1985 assert(*avpp
== avp
); /* (always listhead after lookup()) */
1986 *avpp
= (*avpp
)->av_link
;
1988 if(avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
))
1989 rv
= a_amv_var__clearenv(avp
->av_name
, avp
);
1990 a_amv_var_free(avp
->av_value
);
1993 /* XXX Fun part, extremely simple-minded for now: if this variable has
1994 * XXX a default value, immediately reinstantiate it! TODO Heh? */
1995 if(n_UNLIKELY(avmp
!= NULL
&& (avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0)){
1996 a_amv_var_lookup(avcp
, a_AMV_VLOOK_I3VAL_NONEW
);
1997 if(n_UNLIKELY(!(n_psonce
& n_PSO_STARTED_GETOPT
)) &&
1998 (n_poption
& n_PO_S_FLAG_TEMPORARY
))
1999 avp
->av_flags
|= a_AMV_VF_EXT_FROZEN
;
2007 a_amv_var__clearenv(char const *name
, struct a_amv_var
*avp
){
2008 extern char **environ
;
2018 if(avp
!= NULL
&& avp
->av_env
!= NULL
){
2019 for(; *ecpp
!= NULL
; ++ecpp
)
2020 if(*ecpp
== avp
->av_env
){
2023 while(*ecpp
++ != NULL
);
2024 n_free(avp
->av_env
);
2034 if((l
= strlen(name
)) > 0){
2035 for(; *ecpp
!= NULL
; ++ecpp
)
2036 if(!strncmp(*ecpp
, name
, l
) && (*ecpp
)[l
] == '='){
2042 while(*ecpp
++ != NULL
);
2054 a_amv_var_show_all(void){
2055 struct n_string msg
, *msgp
;
2058 struct a_amv_var
*avp
;
2059 char const **vacp
, **cap
;
2062 if((fp
= Ftmp(NULL
, "setlist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) == NULL
){
2063 n_perr(_("`set' list: cannot create temporary file"), 0);
2067 /* We need to instantiate first-time-inits and default values here, so that
2068 * they will be regular members of our _vars[] table */
2069 for(i
= a_AMV_VAR_I3VALS_CNT
; i
-- > 0;)
2070 n_var_oklook(a_amv_var_i3vals
[i
].avdv_okey
);
2071 for(i
= a_AMV_VAR_DEFVALS_CNT
; i
-- > 0;)
2072 n_var_oklook(a_amv_var_defvals
[i
].avdv_okey
);
2074 for(no
= i
= 0; i
< a_AMV_PRIME
; ++i
)
2075 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
2077 no
+= a_AMV_VAR_VIRTS_CNT
;
2079 vacp
= n_autorec_alloc(no
* sizeof(*vacp
));
2081 for(cap
= vacp
, i
= 0; i
< a_AMV_PRIME
; ++i
)
2082 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
2083 *cap
++ = avp
->av_name
;
2084 for(i
= a_AMV_VAR_VIRTS_CNT
; i
-- > 0;)
2085 *cap
++ = a_amv_var_virts
[i
].avv_var
->av_name
;
2088 qsort(vacp
, no
, sizeof *vacp
, &a_amv_var__show_cmp
);
2091 msgp
= n_string_reserve(n_string_creat(msgp
), 80);
2092 for(i
= 0, cap
= vacp
; no
!= 0; ++cap
, --no
)
2093 i
+= a_amv_var_show(*cap
, fp
, msgp
);
2096 page_or_print(fp
, i
);
2103 a_amv_var__show_cmp(void const *s1
, void const *s2
){
2107 rv
= strcmp(*(char**)n_UNCONST(s1
), *(char**)n_UNCONST(s2
));
2113 a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
){
2114 struct a_amv_var_carrier avc
;
2116 struct a_amv_var
*avp
;
2121 msgp
= n_string_trunc(msgp
, 0);
2124 a_amv_var_revlookup(&avc
, name
);
2125 isset
= a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
);
2128 if(n_poption
& n_PO_D_V
){
2129 if(avc
.avc_map
== NULL
){
2130 msgp
= n_string_push_cp(msgp
, "#assembled variable with value");
2137 {a_AMV_VF_CHAIN
, "variable chain"},
2138 {a_AMV_VF_VIRT
, "virtual"},
2139 {a_AMV_VF_RDONLY
, "read-only"},
2140 {a_AMV_VF_NODEL
, "nodelete"},
2141 {a_AMV_VF_I3VAL
, "initial-value"},
2142 {a_AMV_VF_DEFVAL
, "default-value"},
2143 {a_AMV_VF_IMPORT
, "import-environ-first\0"}, /* assert NUL in max */
2144 {a_AMV_VF_ENV
, "sync-environ"},
2145 {a_AMV_VF_NOLOPTS
, "no-localopts"},
2146 {a_AMV_VF_NOTEMPTY
, "notempty"},
2147 {a_AMV_VF_NUM
, "number"},
2148 {a_AMV_VF_POSNUM
, "positive-number"},
2149 {a_AMV_VF_OBSOLETE
, "obsoleted"},
2152 for(tp
= tbase
; PTRCMP(tp
, <, &tbase
[n_NELEM(tbase
)]); ++tp
)
2153 if(isset
? (avp
->av_flags
& tp
->flag
)
2154 : (avc
.avc_map
->avm_flags
& tp
->flag
)){
2155 msgp
= n_string_push_c(msgp
, (i
++ == 0 ? '#' : ','));
2156 msgp
= n_string_push_cp(msgp
, tp
->msg
);
2160 if(avp
!= NULL
&& (avp
->av_flags
& a_AMV_VF_EXT_FROZEN
)){
2161 msgp
= n_string_push_c(msgp
, (i
++ == 0 ? '#' : ','));
2162 msgp
= n_string_push_cp(msgp
, "(un)?set via -S");
2166 msgp
= n_string_push_cp(msgp
, "\n ");
2169 /* (Read-only variables are generally shown via comments..) */
2170 if(!isset
|| (avp
->av_flags
& a_AMV_VF_RDONLY
)){
2171 msgp
= n_string_push_c(msgp
, n_ns
[0]);
2173 if(avc
.avc_map
!= NULL
&& (avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
))
2174 msgp
= n_string_push_cp(msgp
, "boolean; ");
2175 msgp
= n_string_push_cp(msgp
, "variable not set: ");
2176 msgp
= n_string_push_cp(msgp
, n_shexp_quote_cp(name
, FAL0
));
2181 n_UNINIT(quote
, NULL
);
2182 if(!(avp
->av_flags
& a_AMV_VF_BOOL
)){
2183 quote
= n_shexp_quote_cp(avp
->av_value
, TRU1
);
2184 if(strcmp(quote
, avp
->av_value
))
2185 msgp
= n_string_push_cp(msgp
, "wysh ");
2186 }else if(n_poption
& n_PO_D_V
)
2187 msgp
= n_string_push_cp(msgp
, "wysh "); /* (for shell-style comment) */
2189 if(avp
->av_flags
& a_AMV_VF_EXT_LINKED
)
2190 msgp
= n_string_push_cp(msgp
, "environ ");
2191 msgp
= n_string_push_cp(msgp
, "set ");
2192 msgp
= n_string_push_cp(msgp
, name
);
2194 if(!(avp
->av_flags
& a_AMV_VF_BOOL
)){
2195 msgp
= n_string_push_c(msgp
, '=');
2196 msgp
= n_string_push_cp(msgp
, quote
);
2197 }else if(n_poption
& n_PO_D_V
)
2198 msgp
= n_string_push_cp(msgp
, " #boolean");
2201 msgp
= n_string_push_c(msgp
, '\n');
2202 fputs(n_string_cp(msgp
), fp
);
2204 return (i
> 0 ? 2 : 1);
2208 a_amv_var_c_set(char **ap
, enum a_amv_var_setclr_flags avscf
){
2209 char *cp
, *cp2
, *varbuf
, c
;
2215 while((cp
= *ap
++) != NULL
){
2217 cp2
= varbuf
= n_autorec_alloc(strlen(cp
) +1);
2219 for(; (c
= *cp
) != '=' && c
!= '\0'; ++cp
){
2220 if(cntrlchar(c
) || spacechar(c
)){
2221 n_err(_("Variable name with control or space character ignored: "
2230 cp
= n_UNCONST(n_empty
);
2235 n_err(_("Empty variable name ignored\n"));
2238 struct a_amv_var_carrier avc
;
2241 if((isunset
= (varbuf
[0] == 'n' && varbuf
[1] == 'o')))
2242 varbuf
= &varbuf
[2];
2244 a_amv_var_revlookup(&avc
, varbuf
);
2246 if((avscf
& a_AMV_VSETCLR_LOCAL
) && avc
.avc_map
!= NULL
){
2247 if(n_poption
& n_PO_D_V
)
2248 n_err(_("Builtin variable not overwritten by `local': %s\n"),
2252 errs
+= !a_amv_var_clear(&avc
, avscf
);
2254 errs
+= !a_amv_var_set(&avc
, cp
, avscf
);
2269 if((args
= v
)[0] == NULL
){
2270 rv
= (a_amv_mac_show(a_AMV_MF_NONE
) == FAL0
);
2274 if(args
[1] == NULL
|| args
[1][0] != '{' || args
[1][1] != '\0' ||
2276 n_err(_("Synopsis: define: <name> {\n"));
2280 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_NONE
) == FAL0
);
2287 c_undefine(void *v
){
2295 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_NONE
);
2296 while(*++args
!= NULL
);
2306 rv
= a_amv_mac_call(vp
, FAL0
);
2312 c_call_if(void *vp
){
2316 rv
= a_amv_mac_call(vp
, TRU1
);
2323 struct a_amv_mac_call_args
*amcap
;
2324 struct a_amv_mac
*amp
;
2326 int rv
, i
, oqf
, nqf
;
2331 if((args
= v
)[0] == NULL
){
2332 rv
= (a_amv_mac_show(a_AMV_MF_ACCOUNT
) == FAL0
);
2336 if(args
[1] && args
[1][0] == '{' && args
[1][1] == '\0'){
2337 if(args
[2] != NULL
){
2338 n_err(_("Synopsis: account: <name> {\n"));
2341 if(!asccasecmp(args
[0], ACCOUNT_NULL
)){
2342 n_err(_("`account': cannot use reserved name: %s\n"),
2346 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_ACCOUNT
) == FAL0
);
2350 if(n_pstate
& n_PS_HOOK_MASK
){
2351 n_err(_("`account': cannot change account from within a hook\n"));
2355 save_mbox_for_possible_quitstuff();
2358 if(asccasecmp(args
[0], ACCOUNT_NULL
) != 0 &&
2359 (amp
= a_amv_mac_lookup(args
[0], NULL
, a_AMV_MF_ACCOUNT
)) == NULL
){
2360 n_err(_("`account': account does not exist: %s\n"), args
[0]);
2364 oqf
= savequitflags();
2366 /* Shutdown the active account */
2367 if(a_amv_acc_curr
!= NULL
){
2371 /* Is there a cleanup hook? */
2372 var
= savecat("on-account-cleanup-", a_amv_acc_curr
->am_name
);
2373 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
||
2374 (cp
= ok_vlook(on_account_cleanup
)) != NULL
){
2375 struct a_amv_mac
*amphook
;
2377 if((amphook
= a_amv_mac_lookup(cp
, NULL
, a_AMV_MF_NONE
)) != NULL
){
2378 amcap
= n_lofi_alloc(sizeof *amcap
);
2379 memset(amcap
, 0, sizeof *amcap
);
2380 amcap
->amca_name
= cp
;
2381 amcap
->amca_amp
= amphook
;
2382 amcap
->amca_unroller
= &a_amv_acc_curr
->am_lopts
;
2383 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2384 amcap
->amca_no_xcall
= TRU1
;
2385 n_pstate
|= n_PS_HOOK
;
2386 rv
= a_amv_mac_exec(amcap
);
2387 n_pstate
&= ~n_PS_HOOK_MASK
;
2389 n_err(_("*on-account-leave* hook %s does not exist\n"),
2390 n_shexp_quote_cp(cp
, FAL0
));
2394 if(a_amv_acc_curr
->am_lopts
!= NULL
)
2395 a_amv_lopts_unroll(&a_amv_acc_curr
->am_lopts
);
2397 /* For accounts this lingers */
2398 --a_amv_acc_curr
->am_refcnt
;
2399 if(a_amv_acc_curr
->am_flags
& a_AMV_MF_DELETE
)
2400 a_amv_mac_free(a_amv_acc_curr
);
2403 a_amv_acc_curr
= amp
;
2405 /* And switch to any non-"null" account */
2407 assert(amp
->am_lopts
== NULL
);
2408 amcap
= n_lofi_alloc(sizeof *amcap
);
2409 memset(amcap
, 0, sizeof *amcap
);
2410 amcap
->amca_name
= amp
->am_name
;
2411 amcap
->amca_amp
= amp
;
2412 amcap
->amca_unroller
= &
->am_lopts
;
2413 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2414 amcap
->amca_no_xcall
= TRU1
;
2415 ++amp
->am_refcnt
; /* We may not run 0 to avoid being deleted! */
2416 if(!a_amv_mac_exec(amcap
)){
2417 /* XXX account switch incomplete, unroll? */
2418 n_err(_("`account': failed to switch to account: %s\n"), amp
->am_name
);
2423 n_PS_ROOT_BLOCK((amp
!= NULL
? ok_vset(account
, amp
->am_name
)
2424 : ok_vclear(account
)));
2426 if(n_psonce
& n_PSO_STARTED
){
2427 assert(!(n_pstate
& n_PS_HOOK_MASK
));
2428 nqf
= savequitflags(); /* TODO obsolete (leave -> void -> new box!) */
2429 restorequitflags(oqf
);
2430 if((i
= setfile("%", 0)) < 0)
2432 temporary_folder_hook_check(FAL0
);
2433 if(i
> 0 && !ok_blook(emptystart
))
2435 n_folder_announce(n_ANNOUNCE_CHANGE
);
2436 restorequitflags(nqf
);
2445 c_unaccount(void *v
){
2453 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_ACCOUNT
);
2454 while(*++args
!= NULL
);
2460 c_localopts(void *vp
){
2461 enum a_amv_loflags alf
, alm
;
2468 if(a_amv_lopts
== NULL
){
2469 n_err(_("Cannot use `localopts' in this context\n"));
2473 if((argv
= vp
)[1] == NULL
|| is_asccaseprefix((++argv
)[-1], "scope"))
2474 alf
= alm
= a_AMV_LF_SCOPE
;
2475 else if(is_asccaseprefix(argv
[-1], "call"))
2476 alf
= a_AMV_LF_CALL
, alm
= a_AMV_LF_CALL_MASK
;
2477 else if(is_asccaseprefix(argv
[-1], "call-fixate"))
2478 alf
= a_AMV_LF_CALL_FIXATE
, alm
= a_AMV_LF_CALL_MASK
;
2480 n_err(_("Synopsis: localopts: [<scope|call|call-fixate>] <boolean>\n"));
2484 if(alf
== a_AMV_LF_SCOPE
&&
2485 (a_amv_lopts
->as_loflags
& a_AMV_LF_SCOPE_FIXATE
)){
2486 if(n_poption
& n_PO_D_V
)
2487 n_err(_("Cannot turn off `localopts', setting is fixated\n"));
2491 a_amv_lopts
->as_loflags
&= ~alm
;
2492 if(boolify(*argv
, UIZ_MAX
, FAL0
) > 0)
2493 a_amv_lopts
->as_loflags
|= alf
;
2501 c_shift(void *vp
){ /* xxx move to bottom, not in macro part! */
2502 struct a_amv_pospar
*appp
;
2509 if((vp
= *(char**)vp
) == NULL
)
2514 if((n_idec_si16_cp(&sib
, vp
, 10, NULL
2515 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2516 ) != n_IDEC_STATE_CONSUMED
|| sib
< 0){
2517 n_err(_("`shift': invalid argument: %s\n"), vp
);
2523 /* If in in a macro/xy */
2524 if(a_amv_lopts
!= NULL
){
2525 struct a_amv_mac
const *amp
;
2526 struct a_amv_mac_call_args
*amcap
;
2528 /* Explicitly do allow `vpospar' created things! */
2529 amp
= (amcap
= a_amv_lopts
->as_amcap
)->amca_amp
;
2530 if((amp
== NULL
|| amcap
->amca_ps_hook_mask
||
2531 (amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == a_AMV_MF_ACCOUNT
) &&
2532 amcap
->amca_pospar
.app_not_heap
){
2533 n_err(_("Cannot use `shift' in `account's or hook macros etc.\n"));
2536 appp
= &amcap
->amca_pospar
;
2538 appp
= &a_amv_pospar
;
2540 if(i
> appp
->app_count
){
2541 n_err(_("`shift': cannot shift %hu of %hu parameters\n"),
2542 i
, appp
->app_count
);
2546 appp
->app_count
-= i
;
2555 c_return(void *vp
){ /* TODO the exit status should be m_si64! */
2559 if(a_amv_lopts
!= NULL
){
2562 n_go_input_force_eof();
2563 n_pstate_err_no
= n_ERR_NONE
;
2566 if((argv
= vp
)[0] != NULL
){
2569 if((n_idec_si32_cp(&i
, argv
[0], 10, NULL
2570 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2571 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2574 n_err(_("`return': return value argument is invalid: %s\n"),
2576 n_pstate_err_no
= n_ERR_INVAL
;
2580 if(argv
[1] != NULL
){
2581 if((n_idec_si32_cp(&i
, argv
[1], 10, NULL
2582 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2583 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2584 n_pstate_err_no
= i
;
2586 n_err(_("`return': error number argument is invalid: %s\n"),
2588 n_pstate_err_no
= n_ERR_INVAL
;
2594 n_err(_("Can only use `return' in a macro\n"));
2595 n_pstate_err_no
= n_ERR_OPNOTSUPP
;
2603 temporary_folder_hook_check(bool_t nmail
){ /* TODO temporary, v15: drop */
2604 struct a_amv_mac_call_args
*amcap
;
2605 struct a_amv_mac
*amp
;
2613 var
= n_autorec_alloc(len
= strlen(mailname
) + sizeof("folder-hook-") -1 +1);
2615 /* First try the fully resolved path */
2616 snprintf(var
, len
, "folder-hook-%s", mailname
);
2617 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2620 /* If we are under *folder*, try the usual +NAME syntax, too */
2621 if(displayname
[0] == '+'){
2624 for(x
= &mailname
[len
]; x
!= mailname
; --x
)
2626 snprintf(var
, len
, "folder-hook-+%s", x
);
2627 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2633 /* Plain *folder-hook* is our last try */
2634 if((cp
= ok_vlook(folder_hook
)) == NULL
)
2638 if((amp
= a_amv_mac_lookup(cp
, NULL
, a_AMV_MF_NONE
)) == NULL
){
2639 n_err(_("Cannot call *folder-hook* for %s: macro does not exist: %s\n"),
2640 n_shexp_quote_cp(displayname
, FAL0
), cp
);
2645 amcap
= n_lofi_alloc(sizeof *amcap
);
2646 memset(amcap
, 0, sizeof *amcap
);
2647 amcap
->amca_name
= cp
;
2648 amcap
->amca_amp
= amp
;
2649 n_pstate
&= ~n_PS_HOOK_MASK
;
2651 amcap
->amca_unroller
= NULL
;
2652 n_pstate
|= n_PS_HOOK_NEWMAIL
;
2654 amcap
->amca_unroller
= &a_amv_folder_hook_lopts
;
2655 n_pstate
|= n_PS_HOOK
;
2657 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2658 amcap
->amca_ps_hook_mask
= TRU1
;
2659 amcap
->amca_no_xcall
= TRU1
;
2660 rv
= a_amv_mac_exec(amcap
);
2661 n_pstate
&= ~n_PS_HOOK_MASK
;
2669 temporary_folder_hook_unroll(void){ /* XXX intermediate hack */
2671 if(a_amv_folder_hook_lopts
!= NULL
){
2672 void *save
= a_amv_lopts
;
2675 a_amv_lopts_unroll(&a_amv_folder_hook_lopts
);
2676 assert(a_amv_folder_hook_lopts
== NULL
);
2683 temporary_compose_mode_hook_call(char const *macname
,
2684 void (*hook_pre
)(void *), void *hook_arg
){
2685 /* TODO compose_mode_hook_call() temporary, v15: generalize; see a_GO_SPLICE
2686 * TODO comment in go.c for the right way of doing things! */
2687 static struct a_amv_lostack
*cmh_losp
;
2688 struct a_amv_mac_call_args
*amcap
;
2689 struct a_amv_mac
*amp
;
2694 if(macname
== (char*)-1){
2695 a_amv_mac__finalize(cmh_losp
);
2697 }else if(macname
!= NULL
&&
2698 (amp
= a_amv_mac_lookup(macname
, NULL
, a_AMV_MF_NONE
)) == NULL
)
2699 n_err(_("Cannot call *on-compose-**: macro does not exist: %s\n"),
2702 amcap
= n_lofi_alloc(sizeof *amcap
);
2703 memset(amcap
, 0, sizeof *amcap
);
2704 amcap
->amca_name
= (macname
!= NULL
) ? macname
2705 : "*on-compose-splice(-shell)?*";
2706 amcap
->amca_amp
= amp
;
2707 amcap
->amca_unroller
= &a_amv_compose_lopts
;
2708 amcap
->amca_hook_pre
= hook_pre
;
2709 amcap
->amca_hook_arg
= hook_arg
;
2710 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2711 amcap
->amca_ps_hook_mask
= TRU1
;
2712 amcap
->amca_no_xcall
= TRU1
;
2713 n_pstate
&= ~n_PS_HOOK_MASK
;
2714 n_pstate
|= n_PS_HOOK
;
2716 a_amv_mac_exec(amcap
);
2718 cmh_losp
= n_lofi_alloc(sizeof *cmh_losp
);
2719 memset(cmh_losp
, 0, sizeof *cmh_losp
);
2720 cmh_losp
->as_global_saved
= a_amv_lopts
;
2721 cmh_losp
->as_lopts
= *(cmh_losp
->as_amcap
= amcap
)->amca_unroller
;
2722 cmh_losp
->as_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2723 a_amv_lopts
= cmh_losp
;
2730 temporary_compose_mode_hook_unroll(void){ /* XXX intermediate hack */
2732 if(a_amv_compose_lopts
!= NULL
){
2733 void *save
= a_amv_lopts
;
2736 a_amv_lopts_unroll(&a_amv_compose_lopts
);
2737 assert(a_amv_compose_lopts
== NULL
);
2744 n_var_is_user_writable(char const *name
){
2745 struct a_amv_var_carrier avc
;
2746 struct a_amv_var_map
const *avmp
;
2750 a_amv_var_revlookup(&avc
, name
);
2751 if((avmp
= avc
.avc_map
) == NULL
)
2754 rv
= ((avmp
->avm_flags
& (a_AMV_VF_BOOL
| a_AMV_VF_RDONLY
)) == 0);
2760 n_var_oklook(enum okeys okey
){
2761 struct a_amv_var_carrier avc
;
2763 struct a_amv_var_map
const *avmp
;
2766 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2767 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2768 avc
.avc_hash
= avmp
->avm_hash
;
2769 avc
.avc_okey
= okey
;
2771 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
))
2772 rv
= avc
.avc_var
->av_value
;
2780 n_var_okset(enum okeys okey
, uintptr_t val
){
2781 struct a_amv_var_carrier avc
;
2783 struct a_amv_var_map
const *avmp
;
2786 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2787 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2788 avc
.avc_hash
= avmp
->avm_hash
;
2789 avc
.avc_okey
= okey
;
2791 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
),
2792 a_AMV_VSETCLR_NONE
);
2798 n_var_okclear(enum okeys okey
){
2799 struct a_amv_var_carrier avc
;
2801 struct a_amv_var_map
const *avmp
;
2804 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2805 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2806 avc
.avc_hash
= avmp
->avm_hash
;
2807 avc
.avc_okey
= okey
;
2809 rv
= a_amv_var_clear(&avc
, a_AMV_VSETCLR_NONE
);
2815 n_var_vlook(char const *vokey
, bool_t try_getenv
){
2816 struct a_amv_var_carrier avc
;
2820 a_amv_var_revlookup(&avc
, vokey
);
2822 switch((enum a_amv_var_special_category
)avc
.avc_special_cat
){
2823 default: /* silence CC */
2824 case a_AMV_VSC_NONE
:
2825 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_LOCAL
))
2826 rv
= avc
.avc_var
->av_value
;
2827 /* Only check the environment for something that is otherwise unknown */
2828 else if(try_getenv
&& avc
.avc_map
== NULL
)
2833 case a_AMV_VSC_GLOBAL
:
2834 rv
= a_amv_var_vsc_global(&avc
);
2836 case a_AMV_VSC_MULTIPLEX
:
2837 rv
= a_amv_var_vsc_multiplex(&avc
);
2839 case a_AMV_VSC_POSPAR
:
2840 case a_AMV_VSC_POSPAR_ENV
:
2841 rv
= a_amv_var_vsc_pospar(&avc
);
2849 n_var_vexplode(void const **cookie
){
2850 struct a_amv_pospar
*appp
;
2853 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
2855 *cookie
= (appp
->app_count
> 0) ? &appp
->app_dat
[appp
->app_idx
] : NULL
;
2857 return (*cookie
!= NULL
);
2861 n_var_vset(char const *vokey
, uintptr_t val
){
2862 struct a_amv_var_carrier avc
;
2866 a_amv_var_revlookup(&avc
, vokey
);
2868 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
),
2869 a_AMV_VSETCLR_NONE
);
2875 n_var_vclear(char const *vokey
){
2876 struct a_amv_var_carrier avc
;
2880 a_amv_var_revlookup(&avc
, vokey
);
2882 ok
= a_amv_var_clear(&avc
, a_AMV_VSETCLR_NONE
);
2889 n_var_xoklook(enum okeys okey
, struct url
const *urlp
,
2890 enum okey_xlook_mode oxm
){
2891 struct a_amv_var_carrier avc
;
2892 struct str
const *us
;
2895 struct a_amv_var_map
const *avmp
;
2898 assert(oxm
& (OXM_PLAIN
| OXM_H_P
| OXM_U_H_P
));
2900 /* For simplicity: allow this case too */
2901 if(!(oxm
& (OXM_H_P
| OXM_U_H_P
))){
2906 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2907 avc
.avc_name
= &a_amv_var_names
[avmp
->avm_keyoff
];
2908 avc
.avc_okey
= okey
;
2910 us
= (oxm
& OXM_U_H_P
) ? &urlp
->url_u_h_p
: &urlp
->url_h_p
;
2911 nlen
= strlen(avc
.avc_name
);
2912 nbuf
= n_lofi_alloc(nlen
+ 1 + us
->l
+1);
2913 memcpy(nbuf
, avc
.avc_name
, nlen
);
2916 /* One of .url_u_h_p and .url_h_p we test in here */
2917 memcpy(nbuf
+ nlen
, us
->s
, us
->l
+1);
2918 avc
.avc_name
= a_amv_var_canonify(nbuf
);
2919 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
2920 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_LOCAL
))
2925 us
= &urlp
->url_h_p
;
2926 memcpy(nbuf
+ nlen
, us
->s
, us
->l
+1);
2927 avc
.avc_name
= a_amv_var_canonify(nbuf
);
2928 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
2929 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_LOCAL
)){
2931 rv
= avc
.avc_var
->av_value
;
2937 rv
= (oxm
& OXM_PLAIN
) ? n_var_oklook(okey
) : NULL
;
2944 #endif /* HAVE_SOCKETS */
2952 if(*(ap
= vp
) == NULL
){
2953 a_amv_var_show_all();
2956 enum a_amv_var_setclr_flags avscf
;
2958 if(!(n_pstate
& n_PS_ARGMOD_LOCAL
))
2959 avscf
= a_AMV_VSETCLR_NONE
;
2961 if(a_amv_lopts
== NULL
){
2962 n_err(_("`set': cannot use `local' in this context\n"));
2966 avscf
= a_AMV_VSETCLR_LOCAL
;
2968 err
= !a_amv_var_c_set(ap
, avscf
);
2977 struct a_amv_var_carrier avc
;
2980 enum a_amv_var_setclr_flags avscf
;
2983 if(!(n_pstate
& n_PS_ARGMOD_LOCAL
))
2984 avscf
= a_AMV_VSETCLR_NONE
;
2986 if(a_amv_lopts
== NULL
){
2987 n_err(_("`unset': cannot use `local' in this context\n"));
2991 avscf
= a_AMV_VSETCLR_LOCAL
;
2994 for(err
= 0, ap
= vp
; *ap
!= NULL
; ++ap
){
2995 a_amv_var_revlookup(&avc
, *ap
);
2997 err
|= !a_amv_var_clear(&avc
, avscf
);
3009 if(*(ap
= v
) == NULL
)
3012 struct n_string msg
, *msgp
= &msg
;
3014 msgp
= n_string_creat(msgp
);
3015 for(; *ap
!= NULL
; ++ap
)
3016 a_amv_var_show(*ap
, n_stdout
, msgp
);
3020 return (v
== NULL
? !STOP
: !OKAY
); /* xxx 1:bad 0:good -- do some */
3025 struct a_amv_var_carrier avc
;
3029 sighandler_type sigint
;
3032 sigint
= safe_signal(SIGINT
, SIG_IGN
);
3034 for(err
= 0, argv
= v
; *argv
!= NULL
; ++argv
){
3035 memset(&avc
, 0, sizeof avc
);
3037 a_amv_var_revlookup(&avc
, *argv
);
3039 if(avc
.avc_map
!= NULL
){
3040 if(avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
){
3041 n_err(_("`varedit': cannot edit boolean variable: %s\n"),
3045 if(avc
.avc_map
->avm_flags
& a_AMV_VF_RDONLY
){
3046 n_err(_("`varedit': cannot edit read-only variable: %s\n"),
3052 a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
);
3054 if((of
= Ftmp(NULL
, "varedit", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
3056 n_perr(_("`varedit': cannot create temporary file"), 0);
3059 }else if(avc
.avc_var
!= NULL
&& *(val
= avc
.avc_var
->av_value
) != '\0' &&
3060 sizeof *val
!= fwrite(val
, strlen(val
), sizeof *val
, of
)){
3061 n_perr(_("`varedit' failed to write old value to temporary file"), 0);
3068 nf
= run_editor(of
, (off_t
)-1, 'e', FAL0
, NULL
, NULL
, SEND_MBOX
, sigint
);
3077 if(UICMP(64, l
, >=, UIZ_MAX
-42)){
3078 n_err(_("`varedit': not enough memory to store variable: %s\n"),
3083 varres
= val
= n_autorec_alloc(l
+1);
3084 for(; l
> 0 && (c
= getc(nf
)) != EOF
; --l
)
3088 n_err(_("`varedit': I/O while reading new value of: %s\n"),
3094 if(!a_amv_var_set(&avc
, varres
, a_AMV_VSETCLR_NONE
))
3099 n_err(_("`varedit': cannot start $EDITOR\n"));
3105 safe_signal(SIGINT
, sigint
);
3112 struct a_amv_var_carrier avc
;
3118 if((islnk
= is_asccaseprefix(*(ap
= v
), "link")) ||
3119 is_asccaseprefix(*ap
, "unlink")){
3120 for(err
= 0; *++ap
!= NULL
;){
3121 a_amv_var_revlookup(&avc
, *ap
);
3123 if(a_amv_var_lookup(&avc
, a_AMV_VLOOK_NONE
) && (islnk
||
3124 (avc
.avc_var
->av_flags
& a_AMV_VF_EXT_LINKED
))){
3126 avc
.avc_var
->av_flags
&= ~a_AMV_VF_EXT_LINKED
;
3128 }else if(avc
.avc_var
->av_flags
&
3129 (a_AMV_VF_ENV
| a_AMV_VF_EXT_LINKED
)){
3130 if(n_poption
& n_PO_D_V
)
3131 n_err(_("`environ': link: already established: %s\n"), *ap
);
3134 avc
.avc_var
->av_flags
|= a_AMV_VF_EXT_LINKED
;
3135 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_ENV
))
3136 a_amv_var__putenv(&avc
, avc
.avc_var
);
3138 n_err(_("`environ': unlink: no link established: %s\n"), *ap
);
3141 char const *evp
= getenv(*ap
);
3144 err
|= !a_amv_var_set(&avc
, evp
, a_AMV_VSETCLR_ENV
);
3146 n_err(_("`environ': link: cannot link to non-existent: %s\n"),
3152 }else if(is_asccaseprefix(*ap
, "set"))
3153 err
= !a_amv_var_c_set(++ap
, a_AMV_VSETCLR_ENV
);
3154 else if(is_asccaseprefix(*ap
, "unset")){
3155 for(err
= 0; *++ap
!= NULL
;){
3156 a_amv_var_revlookup(&avc
, *ap
);
3158 if(!a_amv_var_clear(&avc
, a_AMV_VSETCLR_ENV
))
3162 n_err(_("Synopsis: environ: <link|set|unset> <variable>...\n"));
3170 c_vexpr(void *v
){ /* TODO POSIX expr(1) comp. exit status; overly complicat. */
3172 enum n_idec_state ids
;
3174 char op
, varbuf
[64 + 64 / 8 +1];
3175 char const **argv
, *varname
, *varres
, *cp
;
3178 a_SOFTOVERFLOW
= 1u<<1,
3180 a_ISDECIMAL
= 1u<<3, /* Print only decimal result */
3181 a_SATURATED
= 1u<<4,
3183 a_UNSIGNED_OP
= 1u<<6, /* Unsigned right shift (share bit ok) */
3190 varname
= (n_pstate
& n_PS_ARGMOD_VPUT
) ? *argv
++ : NULL
;
3191 n_UNINIT(varres
, n_empty
);
3193 if((cp
= argv
[0])[0] == '\0')
3203 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3206 if(*(cp
= *++argv
) == '\0')
3208 else if(((ids
= n_idec_si64_cp(&lhv
, cp
, 0, NULL
)
3209 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3210 ) != n_IDEC_STATE_CONSUMED
){
3211 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
3213 f
|= a_SOFTOVERFLOW
;
3230 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3235 if(*(cp
= *++argv
) == '\0')
3237 else if(((ids
= n_idec_si64_cp(&lhv
, cp
, 0, NULL
)
3238 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3239 ) != n_IDEC_STATE_CONSUMED
){
3240 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
3242 f
|= a_SOFTOVERFLOW
;
3246 if(*(cp
= *++argv
) == '\0')
3248 else if(((ids
= n_idec_si64_cp(&rhv
, cp
, 0, NULL
)
3249 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3250 ) != n_IDEC_STATE_CONSUMED
){
3251 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
3253 f
|= a_SOFTOVERFLOW
;
3263 if(rhv
!= SI64_MIN
){
3268 goto jenum_plusminus
;
3273 }else if(SI64_MAX
- rhv
< lhv
)
3274 goto jenum_plusminus
;
3279 if(rhv
!= SI64_MIN
){
3284 goto jenum_plusminus
;
3289 }else if(SI64_MIN
+ rhv
> lhv
){
3291 if(!(f
& a_SATURATED
))
3292 goto jenum_overflow
;
3293 f
|= a_SOFTOVERFLOW
;
3294 lhv
= (lhv
< 0 || xop
== '-') ? SI64_MIN
: SI64_MAX
;
3300 /* Will the result be positive? */
3301 if((lhv
< 0) == (rhv
< 0)){
3306 if(rhv
!= 0 && lhv
!= 0 && SI64_MAX
/ rhv
> lhv
){
3307 if(!(f
& a_SATURATED
))
3308 goto jenum_overflow
;
3309 f
|= a_SOFTOVERFLOW
;
3315 if(lhv
!= 0 && SI64_MIN
/ lhv
< rhv
){
3316 if(!(f
& a_SATURATED
))
3317 goto jenum_overflow
;
3318 f
|= a_SOFTOVERFLOW
;
3323 if(rhv
!= 0 && lhv
!= 0 && SI64_MIN
/ rhv
< lhv
){
3324 if(!(f
& a_SATURATED
))
3325 goto jenum_overflow
;
3326 f
|= a_SOFTOVERFLOW
;
3335 if(!(f
& a_SATURATED
))
3337 f
|= a_SOFTOVERFLOW
;
3344 if(!(f
& a_SATURATED
))
3346 f
|= a_SOFTOVERFLOW
;
3366 if(rhv
> 63){ /* xxx 63? */
3367 if(!(f
& a_SATURATED
))
3368 goto jenum_overflow
;
3373 else if(f
& a_UNSIGNED_OP
)
3374 lhv
= (ui64_t
)lhv
>> (ui8_t
)rhv
;
3384 }else if(cp
[0] == '<'){
3388 n_OBSOLETE(_("`vexpr': please use @ modifier as prefix not suffix"));
3397 }else if(cp
[0] == '>'){
3405 n_OBSOLETE(_("`vexpr': please use @ modifier as prefix not suffix"));
3414 }else if(cp
[2] == '\0' && cp
[1] == '@'){
3415 n_OBSOLETE(_("`vexpr': please use @ modifier as prefix, not suffix"));
3419 }else if(cp
[0] == '@'){
3433 if(*cp
!= '>' || *++cp
!= '\0')
3444 }else if(is_asccaseprefix(cp
, "length")){
3445 f
|= a_ISNUM
| a_ISDECIMAL
;
3446 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3449 i
= strlen(*++argv
);
3450 if(UICMP(64, i
, >, SI64_MAX
))
3451 goto jestr_overflow
;
3453 }else if(is_asccaseprefix(cp
, "hash")){
3454 f
|= a_ISNUM
| a_ISDECIMAL
;
3455 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3458 i
= n_torek_hash(*++argv
);
3460 }else if(is_asccaseprefix(cp
, "find")){
3461 f
|= a_ISNUM
| a_ISDECIMAL
;
3462 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3465 if((cp
= strstr(argv
[1], argv
[2])) == NULL
)
3467 i
= PTR2SIZE(cp
- argv
[1]);
3468 if(UICMP(64, i
, >, SI64_MAX
))
3469 goto jestr_overflow
;
3471 }else if(is_asccaseprefix(cp
, "ifind")){
3472 f
|= a_ISNUM
| a_ISDECIMAL
;
3473 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3476 if((cp
= asccasestr(argv
[1], argv
[2])) == NULL
)
3478 i
= PTR2SIZE(cp
- argv
[1]);
3479 if(UICMP(64, i
, >, SI64_MAX
))
3480 goto jestr_overflow
;
3482 }else if(is_asccaseprefix(cp
, "substring")){
3483 if(argv
[1] == NULL
|| argv
[2] == NULL
)
3485 if(argv
[3] != NULL
&& argv
[4] != NULL
)
3488 i
= strlen(varres
= *++argv
);
3490 if(*(cp
= *++argv
) == '\0')
3492 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3493 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3494 ) != n_IDEC_STATE_CONSUMED
)
3495 goto jestr_numrange
;
3497 if(UICMP(64, i
, <, -lhv
))
3498 goto jesubstring_off
;
3501 if(UICMP(64, i
, >=, lhv
)){
3506 if(n_poption
& n_PO_D_V
)
3507 n_err(_("`vexpr': substring: offset argument too large: %s\n"),
3508 n_shexp_quote_cp(argv
[-1], FAL0
));
3509 f
|= a_SOFTOVERFLOW
;
3512 if(argv
[1] != NULL
){
3513 if(*(cp
= *++argv
) == '\0')
3515 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3516 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3517 ) != n_IDEC_STATE_CONSUMED
)
3518 goto jestr_numrange
;
3520 if(UICMP(64, i
, <, -lhv
))
3521 goto jesubstring_len
;
3524 if(UICMP(64, i
, >=, lhv
)){
3525 if(UICMP(64, i
, !=, lhv
))
3526 varres
= savestrbuf(varres
, (size_t)lhv
);
3529 if(n_poption
& n_PO_D_V
)
3530 n_err(_("`vexpr': substring: length argument too large: %s\n"),
3531 n_shexp_quote_cp(argv
[-2], FAL0
));
3532 f
|= a_SOFTOVERFLOW
;
3535 }else if(is_asccaseprefix(cp
, "trim")) Jtrim
: {
3537 enum n_str_trim_flags stf
;
3539 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3542 if(is_asccaseprefix(cp
, "trim-front"))
3543 stf
= n_STR_TRIM_FRONT
;
3544 else if(is_asccaseprefix(cp
, "trim-end"))
3545 stf
= n_STR_TRIM_END
;
3547 stf
= n_STR_TRIM_BOTH
;
3549 trim
.l
= strlen(trim
.s
= n_UNCONST(argv
[1]));
3550 (void)n_str_trim(&trim
, stf
);
3551 varres
= savestrbuf(trim
.s
, trim
.l
);
3552 }else if(is_asccaseprefix(cp
, "trim-front"))
3554 else if(is_asccaseprefix(cp
, "trim-end"))
3556 else if(is_asccaseprefix(cp
, "random")){
3557 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3560 if((n_idec_si64_cp(&lhv
, argv
[1], 0, NULL
3561 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3562 ) != n_IDEC_STATE_CONSUMED
|| lhv
< 0 || lhv
> PATH_MAX
)
3563 goto jestr_numrange
;
3566 varres
= n_random_create_cp((size_t)lhv
, NULL
);
3567 }else if(is_asccaseprefix(cp
, "file-expand")){
3568 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3571 if((varres
= fexpand(argv
[1], FEXP_NVAR
| FEXP_NOPROTO
)) == NULL
)
3573 }else if(is_asccaseprefix(cp
, "makeprint")){
3574 struct str sin
, sout
;
3576 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3579 /* XXX using strlen for `vexpr makeprint' is wrong for UTF-16 */
3580 sin
.l
= strlen(sin
.s
= n_UNCONST(argv
[1]));
3581 makeprint(&sin
, &sout
);
3582 varres
= savestrbuf(sout
.s
, sout
.l
);
3584 /* TODO `vexpr': (wide) string length, find, etc!! */
3586 }else if(is_asccaseprefix(cp
, "regex")) Jregex
:{
3587 regmatch_t rema
[1 + n_VEXPR_REGEX_MAX
];
3591 f
|= a_ISNUM
| a_ISDECIMAL
;
3592 if(argv
[1] == NULL
|| argv
[2] == NULL
||
3593 (argv
[3] != NULL
&& argv
[4] != NULL
))
3596 reflrv
= REG_EXTENDED
;
3598 reflrv
|= REG_ICASE
;
3599 if((reflrv
= regcomp(&re
, argv
[2], reflrv
))){
3600 n_err(_("`vexpr': invalid regular expression: %s: %s\n"),
3601 n_shexp_quote_cp(argv
[2], FAL0
), n_regex_err_to_doc(NULL
, reflrv
));
3603 n_pstate_err_no
= n_ERR_INVAL
;
3606 reflrv
= regexec(&re
, argv
[1], n_NELEM(rema
), rema
, 0);
3608 if(reflrv
== REG_NOMATCH
)
3611 /* Search only? Else replace, which is a bit */
3612 if(argv
[3] == NULL
){
3613 if(UICMP(64, rema
[0].rm_so
, >, SI64_MAX
))
3614 goto jestr_overflow
;
3615 lhv
= (si64_t
)rema
[0].rm_so
;
3617 /* We need to setup some kind of pseudo macro environment for this */
3618 struct a_amv_lostack los
;
3619 struct a_amv_mac_call_args amca
;
3620 char const **reargv
;
3622 memset(&amca
, 0, sizeof amca
);
3623 amca
.amca_name
= savestrbuf(&argv
[1][rema
[0].rm_so
],
3624 rema
[0].rm_eo
- rema
[0].rm_so
);
3625 amca
.amca_amp
= a_AMV_MACKY_MACK
;
3626 for(i
= 1; i
< n_NELEM(rema
) && rema
[i
].rm_so
!= -1; ++i
)
3628 amca
.amca_pospar
.app_count
= (ui32_t
)i
- 1;
3629 amca
.amca_pospar
.app_not_heap
= TRU1
;
3630 amca
.amca_pospar
.app_dat
=
3631 reargv
= n_autorec_alloc(sizeof(char*) * i
);
3632 for(i
= 1; i
< n_NELEM(rema
) && rema
[i
].rm_so
!= -1; ++i
)
3633 *reargv
++ = savestrbuf(&argv
[1][rema
[i
].rm_so
],
3634 rema
[i
].rm_eo
- rema
[i
].rm_so
);
3637 memset(&los
, 0, sizeof los
);
3638 hold_all_sigs(); /* TODO DISLIKE! */
3639 los
.as_global_saved
= a_amv_lopts
;
3640 los
.as_amcap
= &amca
;
3641 los
.as_up
= los
.as_global_saved
;
3646 struct n_string s_b
;
3647 enum n_shexp_state shs
;
3649 templ
.s
= n_UNCONST(argv
[3]);
3651 shs
= n_shexp_parse_token((n_SHEXP_PARSE_LOG
|
3652 n_SHEXP_PARSE_IGNORE_EMPTY
| n_SHEXP_PARSE_QUOTE_AUTO_FIXED
|
3653 n_SHEXP_PARSE_QUOTE_AUTO_DSQ
),
3654 n_string_creat_auto(&s_b
), &templ
, NULL
);
3655 if((shs
& (n_SHEXP_STATE_ERR_MASK
| n_SHEXP_STATE_STOP
)
3656 ) == n_SHEXP_STATE_STOP
){
3657 varres
= n_string_cp(&s_b
);
3658 n_string_drop_ownership(&s_b
);
3663 a_amv_lopts
= los
.as_global_saved
;
3664 rele_all_sigs(); /* TODO DISLIKE! */
3668 f
&= ~(a_ISNUM
| a_ISDECIMAL
);
3670 }else if(is_asccaseprefix(argv
[0], "iregex")){
3673 #endif /* HAVE_REGEX */
3677 n_pstate_err_no
= (f
& a_SOFTOVERFLOW
) ? n_ERR_OVERFLOW
: n_ERR_NONE
;
3680 /* Generate the variable value content for numerics.
3681 * Anticipate in our handling below! (Don't do needless work) */
3683 if((f
& a_ISNUM
) && ((f
& a_ISDECIMAL
) || varname
!= NULL
)){
3684 snprintf(varbuf
, sizeof varbuf
, "%" PRId64
, lhv
);
3688 if(varname
== NULL
){
3689 /* If there was no error and we are printing a numeric result, print some
3690 * more bases for the fun of it */
3691 if((f
& (a_ERR
| a_ISNUM
| a_ISDECIMAL
)) == a_ISNUM
){
3694 for(j
= 1, i
= 0; i
< 64; ++i
){
3695 varbuf
[63 + 64 / 8 -j
- i
] = (lhv
& ((ui64_t
)1 << i
)) ? '1' : '0';
3696 if((i
& 7) == 7 && i
!= 63){
3698 varbuf
[63 + 64 / 8 -j
- i
] = ' ';
3701 varbuf
[64 + 64 / 8 -1] = '\0';
3702 if(fprintf(n_stdout
,
3703 "%s\n0%" PRIo64
" | 0x%" PRIX64
" | %" PRId64
"\n",
3704 varbuf
, lhv
, lhv
, lhv
) < 0){
3705 n_pstate_err_no
= n_err_no
;
3708 }else if(varres
!= NULL
&& fprintf(n_stdout
, "%s\n", varres
) < 0){
3709 n_pstate_err_no
= n_err_no
;
3712 }else if(!n_var_vset(varname
, (uintptr_t)varres
)){
3713 n_pstate_err_no
= n_ERR_NOTSUP
;
3717 return (f
& a_ERR
) ? 1 : 0;
3720 f
= a_ERR
| a_ISNUM
;
3724 n_err(_("`vexpr': invalid subcommand: %s\n"),
3725 n_shexp_quote_cp(*argv
, FAL0
));
3726 n_pstate_err_no
= n_ERR_INVAL
;
3729 n_err(_("Synopsis: vexpr: <operator> <:argument:>\n"));
3730 n_pstate_err_no
= n_ERR_INVAL
;
3734 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3735 n_shexp_quote_cp(*argv
, FAL0
));
3736 n_pstate_err_no
= n_ERR_RANGE
;
3739 n_err(_("`vexpr': expression overflows datatype: %" PRId64
" %c %" PRId64
3740 "\n"), lhv
, op
, rhv
);
3741 n_pstate_err_no
= n_ERR_OVERFLOW
;
3745 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3746 n_shexp_quote_cp(*argv
, FAL0
));
3747 n_pstate_err_no
= n_ERR_RANGE
;
3750 n_err(_("`vexpr': string length or offset overflows datatype\n"));
3751 n_pstate_err_no
= n_ERR_OVERFLOW
;
3754 n_pstate_err_no
= n_ERR_NODATA
;
3765 struct n_cmd_arg
*cap
;
3767 struct a_amv_pospar
*appp
;
3776 struct n_cmd_arg_ctx
*cacp
;
3779 n_pstate_err_no
= n_ERR_NONE
;
3780 n_UNINIT(varres
, n_empty
);
3782 cap
= cacp
->cac_arg
;
3784 if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "set"))
3786 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "clear"))
3788 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "quote"))
3791 n_err(_("`vpospar': invalid subcommand: %s\n"),
3792 n_shexp_quote_cp(cap
->ca_arg
.ca_str
.s
, FAL0
));
3793 n_pstate_err_no
= n_ERR_INVAL
;
3799 if((f
& (a_CLEAR
| a_QUOTE
)) && cap
->ca_next
!= NULL
){
3800 n_err(_("`vpospar': `%s': takes no argument\n"), cap
->ca_arg
.ca_str
.s
);
3801 n_pstate_err_no
= n_ERR_INVAL
;
3808 /* If in a macro, we need to overwrite the local instead of global argv */
3809 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
3812 if(f
& (a_SET
| a_CLEAR
)){
3813 if(cacp
->cac_vput
!= NULL
)
3814 n_err(_("`vpospar': `vput' only supported for `quote' subcommand\n"));
3815 if(!appp
->app_not_heap
&& appp
->app_maxcount
> 0){
3816 for(i
= appp
->app_maxcount
; i
-- != 0;)
3817 n_free(n_UNCONST(appp
->app_dat
[i
]));
3818 n_free(appp
->app_dat
);
3820 memset(appp
, 0, sizeof *appp
);
3823 if((i
= cacp
->cac_no
) > a_AMV_POSPAR_MAX
){
3824 n_err(_("`vpospar': overflow: %" PRIuZ
" arguments!\n"), i
);
3825 n_pstate_err_no
= n_ERR_OVERFLOW
;
3830 memset(appp
, 0, sizeof *appp
);
3832 appp
->app_maxcount
= appp
->app_count
= (ui16_t
)i
;
3833 /* XXX Optimize: store it all in one chunk! */
3835 i
*= sizeof *appp
->app_dat
;
3836 appp
->app_dat
= n_alloc(i
);
3838 for(i
= 0; cap
!= NULL
; ++i
, cap
= cap
->ca_next
){
3839 appp
->app_dat
[i
] = n_alloc(cap
->ca_arg
.ca_str
.l
+1);
3840 memcpy(n_UNCONST(appp
->app_dat
[i
]), cap
->ca_arg
.ca_str
.s
,
3841 cap
->ca_arg
.ca_str
.l
+1);
3844 appp
->app_dat
[i
] = NULL
;
3848 if(appp
->app_count
== 0)
3852 struct n_string s
, *sp
;
3855 sp
= n_string_creat_auto(&s
);
3857 sep1
= *ok_vlook(ifs
);
3858 sep2
= *ok_vlook(ifs_ws
);
3864 for(i
= 0; i
< appp
->app_count
; ++i
){
3866 if(!n_string_can_swallow(sp
, 2))
3868 sp
= n_string_push_c(sp
, sep1
);
3870 sp
= n_string_push_c(sp
, sep2
);
3872 in
.l
= strlen(in
.s
= n_UNCONST(appp
->app_dat
[i
+ appp
->app_idx
]));
3874 if(!n_string_can_swallow(sp
, in
.l
)){
3876 n_err(_("`vpospar': overflow: string too long!\n"));
3877 n_pstate_err_no
= n_ERR_OVERFLOW
;
3881 sp
= n_shexp_quote(sp
, &in
, TRU1
);
3884 varres
= n_string_cp(sp
);
3887 if(cacp
->cac_vput
== NULL
){
3888 if(fprintf(n_stdout
, "%s\n", varres
) < 0){
3889 n_pstate_err_no
= n_err_no
;
3892 }else if(!n_var_vset(cacp
->cac_vput
, (uintptr_t)varres
)){
3893 n_pstate_err_no
= n_ERR_NOTSUP
;
3899 return (f
& a_ERR
) ? 1 : 0;