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 . should be recursive environment based.
8 *@ TODO Otherwise, the `localopts' should be an attribute of the go.c
9 *@ TODO command context, so that it belongs to the execution context
10 *@ TODO we are running in, instead of being global data. See, e.g.,
11 *@ TODO the a_GO_SPLICE comment in go.c.
12 *@ TODO . once we can have non-fatal !0 returns for commands, we should
13 *@ TODO return error if "(environ)? unset" goes for non-existent.
15 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
16 * Copyright (c) 2012 - 2017 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
19 * Copyright (c) 1980, 1993
20 * The Regents of the University of California. All rights reserved.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the above copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. Neither the name of the University nor the names of its contributors
31 * may be used to endorse or promote products derived from this software
32 * without specific prior written permission.
34 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
35 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47 #define n_FILE accmacvar
49 #ifndef HAVE_AMALGAMATION
53 #if !defined HAVE_SETENV && !defined HAVE_PUTENV
54 # error Exactly one of HAVE_SETENV and HAVE_PUTENV
57 /* Positional parameter maximum (macro arguments, `vexpr' "splitifs") */
58 #define a_AMV_POSPAR_MAX SI16_MAX
60 /* Special "pseudo macro" that stabs you from the back */
61 #define a_AMV_MACKY_MACK ((struct a_amv_mac*)-1)
63 /* Note: changing the hash function must be reflected in `vexpr' "hash",
64 * because that is used by the hashtable creator scripts! */
65 #define a_AMV_PRIME HSHSIZE
66 #define a_AMV_NAME2HASH(N) n_torek_hash(N)
67 #define a_AMV_HASH2PRIME(H) ((H) % a_AMV_PRIME)
71 a_AMV_MF_ACCOUNT
= 1u<<0, /* This macro is an `account' */
72 a_AMV_MF_TYPE_MASK
= a_AMV_MF_ACCOUNT
,
73 a_AMV_MF_UNDEF
= 1u<<1, /* Unlink after lookup */
74 a_AMV_MF_DELETE
= 1u<<7, /* Delete in progress, free once refcnt==0 */
78 /* make-okey-map.pl ensures that _VIRT implies _RDONLY and _NODEL, and that
79 * _IMPORT implies _ENV; it doesn't verify anything... */
82 a_AMV_VF_BOOL
= 1u<<0, /* ok_b_* */
83 a_AMV_VF_VIRT
= 1u<<1, /* "Stateless" automatic variable */
84 a_AMV_VF_NOLOPTS
= 1u<<2, /* May not be tracked by `localopts' */
85 a_AMV_VF_RDONLY
= 1u<<3, /* May not be set by user */
86 a_AMV_VF_NODEL
= 1u<<4, /* May not be deleted */
87 a_AMV_VF_NOTEMPTY
= 1u<<5, /* May not be assigned an empty value */
88 a_AMV_VF_NOCNTRLS
= 1u<<6, /* Value may not contain control characters */
89 a_AMV_VF_NUM
= 1u<<7, /* Value must be a 32-bit number */
90 a_AMV_VF_POSNUM
= 1u<<8, /* Value must be positive 32-bit number */
91 a_AMV_VF_LOWER
= 1u<<9, /* Values will be stored in a lowercase version */
92 a_AMV_VF_VIP
= 1u<<10, /* Wants _var_check_vips() evaluation */
93 a_AMV_VF_IMPORT
= 1u<<11, /* Import ONLY from environ (pre n_PSO_STARTED) */
94 a_AMV_VF_ENV
= 1u<<12, /* Update environment on change */
95 a_AMV_VF_I3VAL
= 1u<<13, /* Has an initial value */
96 a_AMV_VF_DEFVAL
= 1u<<14, /* Has a default value */
97 a_AMV_VF_LINKED
= 1u<<15, /* `environ' linked */
98 a_AMV_VF__MASK
= (1u<<(15+1)) - 1
101 /* We support some special parameter names for one(+)-letter variable names;
102 * note these have counterparts in the code that manages shell expansion!
103 * All these special variables are solely backed by n_var_vlook(), and besides
104 * there is only a_amv_var_revlookup() which knows about them */
105 enum a_amv_var_special_category
{
106 a_AMV_VSC_NONE
, /* Normal variable, no special treatment */
107 a_AMV_VSC_GLOBAL
, /* ${[?!]} are specially mapped, but global */
108 a_AMV_VSC_MULTIPLEX
, /* ${^.*} circumflex accent multiplexer */
109 a_AMV_VSC_POSPAR
, /* ${[1-9][0-9]*} positional parameters */
110 a_AMV_VSC_POSPAR_ENV
/* ${[*@#]} positional parameter support variables */
113 enum a_amv_var_special_type
{
115 a_AMV_VST_QM
, /* ? */
116 a_AMV_VST_EM
, /* ! */
118 /* This is special in that it is a multiplex indicator, the ^ is followed by
119 * a normal variable */
120 a_AMV_VST_CACC
, /* ^ (circumflex accent) */
121 /* _VSC_POSPAR_ENV */
122 a_AMV_VST_STAR
, /* * */
123 a_AMV_VST_AT
, /* @ */
124 a_AMV_VST_NOSIGN
/* # */
127 enum a_amv_var_vip_mode
{
134 ui16_t app_maxcount
; /* == slots in .app_dat */
135 ui16_t app_count
; /* Maximum a_AMV_POSPAR_MAX */
136 ui16_t app_idx
; /* `shift' moves this one, decs .app_count */
137 bool_t app_not_heap
; /* .app_dat stuff not on dynamically allocated */
139 char const **app_dat
; /* NULL terminated (for "$@" explosion support) */
141 n_CTA(a_AMV_POSPAR_MAX
<= SI16_MAX
, "Limit exceeds datatype capabilities");
144 struct a_amv_mac
*am_next
;
145 ui32_t am_maxlen
; /* of any line in .am_line_dat */
146 ui32_t am_line_cnt
; /* of *.am_line_dat (but NULL terminated) */
147 struct a_amv_mac_line
**am_line_dat
; /* TODO use deque? */
148 struct a_amv_var
*am_lopts
; /* `localopts' unroll list */
149 ui32_t am_refcnt
; /* 0-based for `un{account,define}' purposes */
150 ui8_t am_flags
; /* enum a_amv_mac_flags */
151 char am_name
[n_VFIELD_SIZE(3)]; /* of this macro */
153 n_CTA(a_AMV_MF__MAX
<= UI8_MAX
, "Enumeration excesses storage datatype");
155 struct a_amv_mac_line
{
157 ui32_t aml_prespc
; /* Number of leading SPC, for display purposes */
158 char aml_dat
[n_VFIELD_SIZE(0)];
161 struct a_amv_mac_call_args
{
162 char const *amca_name
; /* For MACKY_MACK, this is *0*! */
163 struct a_amv_mac
*amca_amp
; /* "const", but for am_refcnt */
164 struct a_amv_var
**amca_unroller
;
165 void (*amca_hook_pre
)(void *);
167 bool_t amca_lopts_on
;
168 bool_t amca_ps_hook_mask
;
170 struct a_amv_pospar amca_pospar
;
173 struct a_amv_lostack
{
174 struct a_amv_lostack
*as_global_saved
; /* Saved global XXX due to jump */
175 struct a_amv_mac_call_args
*as_amcap
;
176 struct a_amv_lostack
*as_up
; /* Outer context */
177 struct a_amv_var
*as_lopts
;
178 bool_t as_unroll
; /* Unrolling enabled? */
183 struct a_amv_var
*av_link
;
186 char *av_env
; /* Actively managed putenv(3) memory */
188 ui16_t av_flags
; /* enum a_amv_var_flags */
189 char av_name
[n_VFIELD_SIZE(6)];
191 n_CTA(a_AMV_VF__MASK
<= UI16_MAX
, "Enumeration excesses storage datatype");
193 struct a_amv_var_map
{
196 ui16_t avm_flags
; /* enum a_amv_var_flags */
198 n_CTA(a_AMV_VF__MASK
<= UI16_MAX
, "Enumeration excesses storage datatype");
200 struct a_amv_var_virt
{
203 struct a_amv_var
const *avv_var
;
206 struct a_amv_var_defval
{
209 char const *avdv_value
; /* Only for !BOOL (otherwise plain existence) */
212 struct a_amv_var_carrier
{
213 char const *avc_name
;
216 struct a_amv_var
*avc_var
;
217 struct a_amv_var_map
const *avc_map
;
220 ui8_t avc_special_cat
;
221 /* Numerical parameter name if .avc_special_cat=a_AMV_VSC_POSPAR,
222 * otherwise a enum a_amv_var_special_type */
223 ui16_t avc_special_prop
;
226 /* Include constant make-okey-map.pl output, and the generated version data */
227 #include "gen-version.h"
228 #include "gen-okeys.h"
230 /* The currently active account */
231 static struct a_amv_mac
*a_amv_acc_curr
;
233 static struct a_amv_mac
*a_amv_macs
[a_AMV_PRIME
]; /* TODO dynamically spaced */
235 /* Unroll list of currently running macro stack */
236 static struct a_amv_lostack
*a_amv_lopts
;
238 static struct a_amv_var
*a_amv_vars
[a_AMV_PRIME
]; /* TODO dynamically spaced */
240 /* Global (i.e., non-local) a_AMV_VSC_POSPAR stack */
241 static struct a_amv_pospar a_amv_pospar
;
243 /* TODO We really deserve localopts support for *folder-hook*s, so hack it in
244 * TODO today via a static lostack, it should be a field in mailbox, once that
245 * TODO is a real multi-instance object */
246 static struct a_amv_var
*a_amv_folder_hook_lopts
;
248 /* TODO Rather ditto (except for storage -> cmd_ctx), compose hooks */
249 static struct a_amv_var
*a_amv_compose_lopts
;
251 /* Lookup for macros/accounts: if newamp is not NULL it will be linked in the
252 * map, if _MF_UNDEF is set a possibly existing entry will be removed (first).
253 * Returns NULL if a lookup failed, or if newamp was set, the found entry in
254 * plain lookup cases or when _UNDEF was performed on a currently active entry
255 * (the entry will have been unlinked, and the _MF_DELETE will be honoured once
256 * the reference count reaches 0), and (*)-1 if an _UNDEF was performed */
257 static struct a_amv_mac
*a_amv_mac_lookup(char const *name
,
258 struct a_amv_mac
*newamp
, enum a_amv_mac_flags amf
);
260 /* `call', `call_if' (and `xcall' via go.c -> c_call()) */
261 static int a_amv_mac_call(void *v
, bool_t silent_nexist
);
263 /* Execute a macro; amcap must reside in LOFI memory */
264 static bool_t
a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
);
266 static void a_amv_mac__finalize(void *vp
);
268 /* User display helpers */
269 static bool_t
a_amv_mac_show(enum a_amv_mac_flags amf
);
271 /* _def() returns error for faulty definitions and already existing * names,
272 * _undef() returns error if a named thing doesn't exist */
273 static bool_t
a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
);
274 static bool_t
a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
);
277 static void a_amv_mac_free(struct a_amv_mac
*amp
);
279 /* Update replay-log */
280 static void a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
281 struct a_amv_var
*oavp
);
282 static void a_amv_lopts_unroll(struct a_amv_var
**avpp
);
284 /* Special cased value string allocation */
285 static char *a_amv_var_copy(char const *str
);
286 static void a_amv_var_free(char *cp
);
288 /* Check for special housekeeping. _VIP_SET_POST and _VIP_CLEAR do not fail
289 * (or propagate errors), _VIP_SET_PRE may and should case abortion */
290 static bool_t
a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
,
291 enum okeys okey
, char const *val
);
293 /* _VF_NOCNTRLS, _VF_NUM / _VF_POSNUM */
294 static bool_t
a_amv_var_check_nocntrls(char const *val
);
295 static bool_t
a_amv_var_check_num(char const *val
, bool_t posnum
);
297 /* If a variable name begins with a lowercase-character and contains at
298 * least one '@', it is converted to all-lowercase. This is necessary
299 * for lookups of names based on email addresses.
300 * Following the standard, only the part following the last '@' should
301 * be lower-cased, but practice has established otherwise here */
302 static char const *a_amv_var_canonify(char const *vn
);
304 /* Try to reverse lookup an option name to an enum okeys mapping.
305 * Updates .avc_name and .avc_hash; .avc_map is NULL if none found */
306 static bool_t
a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
,
309 /* Lookup a variable from .avc_(map|name|hash), return whether it was found.
310 * Sets .avc_prime; .avc_var is NULL if not found.
311 * Here it is where we care for _I3VAL and _DEFVAL, too.
312 * An _I3VAL will be "consumed" as necessary anyway, but it won't be used to
313 * create a new variable if i3val_nonew is true; if i3val_nonew is TRUM1 then
314 * we set .avc_var to -1 and return true if that was the case, otherwise we'll
315 * return FAL0, then! */
316 static bool_t
a_amv_var_lookup(struct a_amv_var_carrier
*avcp
,
319 /* Lookup functions for special category variables, _pospar drives all
320 * positional parameter etc. special categories */
321 static char const *a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
);
322 static char const *a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
);
323 static char const *a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
);
325 /* Set var from .avc_(map|name|hash), return success */
326 static bool_t
a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
329 static bool_t
a_amv_var__putenv(struct a_amv_var_carrier
*avcp
,
330 struct a_amv_var
*avp
);
332 /* Clear var from .avc_(map|name|hash); sets .avc_var=NULL, return success */
333 static bool_t
a_amv_var_clear(struct a_amv_var_carrier
*avcp
, bool_t force_env
);
335 static bool_t
a_amv_var__clearenv(char const *name
, char *value
);
337 /* List all variables */
338 static void a_amv_var_show_all(void);
340 static int a_amv_var__show_cmp(void const *s1
, void const *s2
);
342 /* Actually do print one, return number of lines written */
343 static size_t a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
);
345 /* Shared c_set() and c_environ():set impl, return success */
346 static bool_t
a_amv_var_c_set(char **ap
, bool_t issetenv
);
348 static struct a_amv_mac
*
349 a_amv_mac_lookup(char const *name
, struct a_amv_mac
*newamp
,
350 enum a_amv_mac_flags amf
){
351 struct a_amv_mac
*amp
, **ampp
;
353 enum a_amv_mac_flags save_amf
;
357 amf
&= a_AMV_MF_TYPE_MASK
;
358 h
= a_AMV_NAME2HASH(name
);
359 h
= a_AMV_HASH2PRIME(h
);
360 ampp
= &a_amv_macs
[h
];
362 for(amp
= *ampp
; amp
!= NULL
; ampp
= &(*ampp
)->am_next
, amp
= amp
->am_next
){
363 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
&&
364 !strcmp(amp
->am_name
, name
)){
365 if(n_LIKELY((save_amf
& a_AMV_MF_UNDEF
) == 0))
368 *ampp
= amp
->am_next
;
370 if(amp
->am_refcnt
> 0){
371 amp
->am_flags
|= a_AMV_MF_DELETE
;
372 if(n_poption
& n_PO_D_V
)
373 n_err(_("Delayed deletion of currently active %s: %s\n"),
374 (amp
->am_flags
& a_AMV_MF_ACCOUNT
? "account" : "define"),
378 amp
= (struct a_amv_mac
*)-1;
385 ampp
= &a_amv_macs
[h
];
386 newamp
->am_next
= *ampp
;
396 a_amv_mac_call(void *v
, bool_t silent_nexist
){
397 struct a_amv_mac
*amp
;
400 struct n_cmd_arg_ctx
*cacp
;
405 if(cacp
->cac_no
== 0){
406 n_err(_("Synopsis: call(_if)?: name [:<arguments>:]\n"));
407 n_pstate_err_no
= n_ERR_INVAL
;
412 name
= cacp
->cac_arg
->ca_arg
.ca_str
.s
;
414 if(n_UNLIKELY(cacp
->cac_no
> a_AMV_POSPAR_MAX
)){
415 n_err(_("Too many arguments to macro `call': %s\n"), name
);
416 n_pstate_err_no
= n_ERR_OVERFLOW
;
418 }else if(n_UNLIKELY((amp
= a_amv_mac_lookup(name
, NULL
, a_AMV_MF_NONE
)
421 n_err(_("Undefined macro called: %s\n"), n_shexp_quote_cp(name
, FAL0
));
422 n_pstate_err_no
= n_ERR_NOENT
;
426 struct a_amv_mac_call_args
*amcap
;
429 argc
= cacp
->cac_no
+ 1;
430 amcap
= n_lofi_alloc(sizeof *amcap
+ (argc
* sizeof *argv
));
431 argv
= (void*)&amcap
[1];
433 for(argc
= 0; (cacp
->cac_arg
= cacp
->cac_arg
->ca_next
) != NULL
; ++argc
)
434 argv
[argc
] = cacp
->cac_arg
->ca_arg
.ca_str
.s
;
438 memset(amcap
, 0, sizeof *amcap
);
439 amcap
->amca_name
= name
;
440 amcap
->amca_amp
= amp
;
443 amcap
->amca_pospar
.app_count
= (ui16_t
)argc
;
444 amcap
->amca_pospar
.app_not_heap
= TRU1
;
445 amcap
->amca_pospar
.app_dat
= argv
;
448 (void)a_amv_mac_exec(amcap
);
457 a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
){
458 struct a_amv_lostack
*losp
;
459 struct a_amv_mac_line
**amlp
;
460 char **args_base
, **args
;
461 struct a_amv_mac
*amp
;
465 amp
= amcap
->amca_amp
;
466 assert(amp
!= NULL
&& amp
!= a_AMV_MACKY_MACK
);
468 /* XXX Unfortunately we yet need to dup the macro lines! :( */
469 args_base
= args
= smalloc(sizeof(*args
) * (amp
->am_line_cnt
+1));
470 for(amlp
= amp
->am_line_dat
; *amlp
!= NULL
; ++amlp
)
471 *(args
++) = sbufdup((*amlp
)->aml_dat
, (*amlp
)->aml_len
);
474 losp
= n_lofi_alloc(sizeof *losp
);
475 losp
->as_global_saved
= a_amv_lopts
;
476 if((losp
->as_amcap
= amcap
)->amca_unroller
== NULL
){
477 losp
->as_up
= losp
->as_global_saved
;
478 losp
->as_lopts
= NULL
;
481 losp
->as_lopts
= *amcap
->amca_unroller
;
483 losp
->as_unroll
= amcap
->amca_lopts_on
;
486 if(amcap
->amca_hook_pre
!= NULL
)
487 n_PS_ROOT_BLOCK((*amcap
->amca_hook_pre
)(amcap
->amca_hook_arg
));
488 rv
= n_go_macro(n_GO_INPUT_NONE
, amp
->am_name
, args_base
,
489 &a_amv_mac__finalize
, losp
);
495 a_amv_mac__finalize(void *vp
){
496 struct a_amv_mac
*amp
;
497 struct a_amv_mac_call_args
*amcap
;
498 struct a_amv_lostack
*losp
;
502 a_amv_lopts
= losp
->as_global_saved
;
504 amcap
= losp
->as_amcap
;
506 if(!amcap
->amca_pospar
.app_not_heap
&& amcap
->amca_pospar
.app_maxcount
> 0){
509 for(i
= amcap
->amca_pospar
.app_maxcount
; i
-- != 0;)
510 n_free(n_UNCONST(amcap
->amca_pospar
.app_dat
[i
]));
511 n_free(amcap
->amca_pospar
.app_dat
);
514 if(amcap
->amca_unroller
== NULL
){
515 if(losp
->as_lopts
!= NULL
)
516 a_amv_lopts_unroll(&losp
->as_lopts
);
518 *amcap
->amca_unroller
= losp
->as_lopts
;
520 if(amcap
->amca_ps_hook_mask
)
521 n_pstate
&= ~n_PS_HOOK_MASK
;
523 if((amp
= amcap
->amca_amp
) != a_AMV_MACKY_MACK
&& amp
!= NULL
&&
524 --amp
->am_refcnt
== 0 && (amp
->am_flags
& a_AMV_MF_DELETE
))
533 a_amv_mac_show(enum a_amv_mac_flags amf
){
534 size_t lc
, mc
, ti
, i
;
542 if((fp
= Ftmp(NULL
, "deflist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
544 n_perr(_("Can't create temporary file for `define' or `account' listing"),
549 amf
&= a_AMV_MF_TYPE_MASK
;
550 typestr
= (amf
& a_AMV_MF_ACCOUNT
) ? "account" : "define";
552 for(lc
= mc
= ti
= 0; ti
< a_AMV_PRIME
; ++ti
){
553 struct a_amv_mac
*amp
;
555 for(amp
= a_amv_macs
[ti
]; amp
!= NULL
; amp
= amp
->am_next
){
556 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
557 struct a_amv_mac_line
**amlpp
;
564 fprintf(fp
, "%s %s {\n", typestr
, amp
->am_name
);
565 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++lc
, ++amlpp
){
566 for(i
= (*amlpp
)->aml_prespc
; i
> 0; --i
)
568 fputs((*amlpp
)->aml_dat
, fp
);
577 page_or_print(fp
, lc
);
579 rv
= (ferror(fp
) == 0);
587 a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
){
589 ui32_t line_cnt
, maxlen
;
591 struct linelist
*ll_next
;
592 struct a_amv_mac_line
*ll_amlp
;
593 } *llp
, *ll_head
, *ll_tail
;
594 union {size_t s
; int i
; ui32_t ui
; size_t l
;} n
;
595 struct a_amv_mac
*amp
;
599 memset(&line
, 0, sizeof line
);
603 /* TODO We should have our input state machine which emits Line events,
604 * TODO and hook different consumers dependent on our content, as stated
605 * TODO in i think lex_input; */
606 /* Read in the lines which form the macro content */
607 for(ll_tail
= ll_head
= NULL
, line_cnt
= maxlen
= 0;;){
611 n
.i
= n_go_input(n_GO_INPUT_CTX_DEFAULT
| n_GO_INPUT_NL_ESC
, n_empty
,
612 &line
.s
, &line
.l
, NULL
, NULL
);
616 n_err(_("Unterminated %s definition: %s\n"),
617 (amf
& a_AMV_MF_ACCOUNT
? "account" : "macro"), name
);
621 /* Trim WS, remember amount of leading spaces for display purposes */
622 for(cp
= line
.s
, leaspc
= 0; n
.ui
> 0; ++cp
, --n
.ui
)
624 leaspc
= (leaspc
+ 8u) & ~7u;
629 for(; n
.ui
> 0 && spacechar(cp
[n
.ui
- 1]); --n
.ui
)
634 maxlen
= n_MAX(maxlen
, n
.ui
);
637 /* Is is the closing brace? */
641 if(n_LIKELY(++line_cnt
< UI32_MAX
)){
642 struct a_amv_mac_line
*amlp
;
644 llp
= n_autorec_alloc(sizeof *llp
);
648 ll_tail
->ll_next
= llp
;
651 llp
->ll_amlp
= amlp
= smalloc(n_VSTRUCT_SIZEOF(struct a_amv_mac_line
,
653 amlp
->aml_len
= n
.ui
-1;
654 amlp
->aml_prespc
= leaspc
;
655 memcpy(amlp
->aml_dat
, cp
, n
.ui
);
657 n_err(_("Too much content in %s definition: %s\n"),
658 (amf
& a_AMV_MF_ACCOUNT
? "account" : "macro"), name
);
663 /* Create the new macro */
664 n
.s
= strlen(name
) +1;
665 amp
= smalloc(n_VSTRUCT_SIZEOF(struct a_amv_mac
, am_name
) + n
.s
);
667 amp
->am_maxlen
= maxlen
;
668 amp
->am_line_cnt
= line_cnt
;
671 amp
->am_lopts
= NULL
;
672 memcpy(amp
->am_name
, name
, n
.s
);
674 struct a_amv_mac_line
**amlpp
;
676 amp
->am_line_dat
= amlpp
= smalloc(sizeof(*amlpp
) * ++line_cnt
);
677 for(llp
= ll_head
; llp
!= NULL
; llp
= llp
->ll_next
)
678 *amlpp
++ = llp
->ll_amlp
;
682 /* Create entry, replace a yet existing one as necessary */
683 a_amv_mac_lookup(name
, amp
, amf
| a_AMV_MF_UNDEF
);
692 for(llp
= ll_head
; llp
!= NULL
; llp
= llp
->ll_next
)
695 free(amp
->am_line_dat
);
702 a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
){
703 struct a_amv_mac
*amp
;
709 if(n_LIKELY(name
[0] != '*' || name
[1] != '\0')){
710 if((amp
= a_amv_mac_lookup(name
, NULL
, amf
| a_AMV_MF_UNDEF
)) == NULL
){
711 n_err(_("%s not defined: %s\n"),
712 (amf
& a_AMV_MF_ACCOUNT
? "Account" : "Macro"), name
);
716 struct a_amv_mac
**ampp
, *lamp
;
718 for(ampp
= a_amv_macs
; PTRCMP(ampp
, <, &a_amv_macs
[n_NELEM(a_amv_macs
)]);
720 for(lamp
= NULL
, amp
= *ampp
; amp
!= NULL
;){
721 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
722 /* xxx Expensive but rare: be simple */
723 a_amv_mac_lookup(amp
->am_name
, NULL
, amf
| a_AMV_MF_UNDEF
);
724 amp
= (lamp
== NULL
) ? *ampp
: lamp
->am_next
;
736 a_amv_mac_free(struct a_amv_mac
*amp
){
737 struct a_amv_mac_line
**amlpp
;
740 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++amlpp
)
742 free(amp
->am_line_dat
);
748 a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
749 struct a_amv_var
*oavp
){
750 struct a_amv_var
*avp
;
754 /* Propagate unrolling up the stack, as necessary */
759 if((alp
= alp
->as_up
) == NULL
)
763 /* Check whether this variable is handled yet */
764 for(avp
= alp
->as_lopts
; avp
!= NULL
; avp
= avp
->av_link
)
765 if(!strcmp(avp
->av_name
, name
))
768 nl
= strlen(name
) +1;
769 vl
= (oavp
!= NULL
) ? strlen(oavp
->av_value
) +1 : 0;
770 avp
= smalloc(n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + nl
+ vl
);
771 avp
->av_link
= alp
->as_lopts
;
773 memcpy(avp
->av_name
, name
, nl
);
775 avp
->av_value
= NULL
;
781 avp
->av_value
= &avp
->av_name
[nl
];
782 avp
->av_flags
= oavp
->av_flags
;
783 memcpy(avp
->av_value
, oavp
->av_value
, vl
);
785 avp
->av_env
= (oavp
->av_env
== NULL
) ? NULL
: sstrdup(oavp
->av_env
);
793 a_amv_lopts_unroll(struct a_amv_var
**avpp
){
794 struct a_amv_lostack
*save_alp
;
795 struct a_amv_var
*x
, *avp
;
801 save_alp
= a_amv_lopts
;
806 n_PS_ROOT_BLOCK(n_var_vset(x
->av_name
, (uintptr_t)x
->av_value
));
809 a_amv_lopts
= save_alp
;
814 a_amv_var_copy(char const *str
){
820 news
= n_UNCONST(n_empty
);
821 else if(str
[1] == '\0'){
823 news
= n_UNCONST(n_1
);
824 else if(str
[0] == '0')
825 news
= n_UNCONST(n_0
);
828 }else if(str
[2] == '\0' && str
[0] == '-' && str
[1] == '1')
829 news
= n_UNCONST(n_m1
);
832 len
= strlen(str
) +1;
834 memcpy(news
, str
, len
);
841 a_amv_var_free(char *cp
){
843 if(cp
[0] != '\0' && cp
!= n_0
&& cp
!= n_1
&& cp
!= n_m1
)
849 a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
, enum okeys okey
,
856 if(avvm
== a_AMV_VIP_SET_PRE
){
861 /* Note this gets called from main.c during initialization, and they
862 * simply set this to pw_dir as a fallback: don't verify _that_ call.
864 if(!(n_pstate
& n_PS_ROOT
) && !n_is_dir(val
, TRU1
)){
865 n_err(_("$HOME is not a directory or not accessible: %s\n"),
866 n_shexp_quote_cp(val
, FAL0
));
872 if(!n_is_dir(val
, TRU1
)){
873 n_err(_("$TMPDIR is not a directory or not accessible: %s\n"),
874 n_shexp_quote_cp(val
, FAL0
));
882 n_idec_ui64_cp(&uib
, val
, 0, NULL
);
883 if(uib
& ~0777u){ /* (is valid _VF_POSNUM) */
884 n_err(_("Invalid *umask* setting: %s\n"), val
);
890 }else if(avvm
== a_AMV_VIP_SET_POST
){
895 n_poption
|= n_PO_DEBUG
;
898 /* Invalidate any resolved folder then, too
901 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
906 x_b
= x
= n_autorec_alloc(strlen(val
) +1);
907 while((c
= *val
++) != '\0')
911 n_PS_ROOT_BLOCK(ok_vset(ifs_ws
, x_b
));
914 n_poption
|= n_PO_MEMDEBUG
;
916 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
917 if(!(n_pstate
& n_PS_ROOT
))
918 n_PS_ROOT_BLOCK(ok_bset(posix
));
920 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
921 if(!(n_pstate
& n_PS_ROOT
))
922 n_PS_ROOT_BLOCK(ok_bset(POSIXLY_CORRECT
));
924 case ok_b_skipemptybody
:
925 n_poption
|= n_PO_E_FLAG
;
927 case ok_b_typescript_mode
:
928 ok_bset(colour_disable
);
929 ok_bset(line_editor_disable
);
930 if(!(n_psonce
& n_PSO_STARTED
))
931 ok_bset(termcap_disable
);
937 n_idec_ui64_cp(&uib
, val
, 0, NULL
);
942 n_poption
|= (n_poption
& n_PO_VERB
) ? n_PO_VERBVERB
: n_PO_VERB
;
950 n_poption
&= ~n_PO_DEBUG
;
953 /* Invalidate any resolved folder then, too
956 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
959 n_poption
&= ~n_PO_MEMDEBUG
;
961 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
962 if(!(n_pstate
& n_PS_ROOT
))
963 n_PS_ROOT_BLOCK(ok_bclear(posix
));
965 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
966 if(!(n_pstate
& n_PS_ROOT
))
967 n_PS_ROOT_BLOCK(ok_bclear(POSIXLY_CORRECT
));
969 case ok_b_skipemptybody
:
970 n_poption
&= ~n_PO_E_FLAG
;
973 n_poption
&= ~(n_PO_VERB
| n_PO_VERBVERB
);
982 a_amv_var_check_nocntrls(char const *val
){
986 while((c
= *val
++) != '\0')
994 a_amv_var_check_num(char const *val
, bool_t posnum
){
995 /* TODO The internal/environment variables which are num= or posnum= should
996 * TODO gain special lookup functions, or the return should be void* and
997 * TODO castable to integer; i.e. no more strtoX() should be needed.
998 * TODO I.e., the result of this function should instead be stored */
1004 if(*val
!= '\0'){ /* Would be _VF_NOTEMPTY if not allowed */
1006 enum n_idec_state ids
;
1008 ids
= n_idec_cp(&uib
, val
, 0,
1009 (posnum
? n_IDEC_MODE_SIGNED_TYPE
: n_IDEC_MODE_NONE
), NULL
);
1010 if((ids
& (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
1011 ) != n_IDEC_STATE_CONSUMED
)
1013 /* TODO Unless we store integers we need to look and forbid, because
1014 * TODO callee may not be able to swallow, e.g., "-1" */
1015 if(posnum
&& (ids
& n_IDEC_STATE_SEEN_MINUS
))
1023 a_amv_var_canonify(char const *vn
){
1025 if(!upperchar(*vn
)){
1028 for(vp
= vn
; *vp
!= '\0' && *vp
!= '@'; ++vp
)
1030 vn
= (*vp
== '@') ? i_strdup(vn
) : vn
;
1037 a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
, char const *name
){
1039 struct a_amv_var_map
const *avmp
;
1043 /* It may be a special a.k.a. macro-local or one-letter parameter */
1045 if(n_UNLIKELY(digitchar(c
))){
1046 /* (Inline dec. atoi, ugh) */
1047 for(j
= (ui8_t
)c
- '0', i
= 1;; ++i
){
1052 goto jno_special_param
;
1053 j
= j
* 10 + (ui8_t
)c
- '0';
1055 if(j
<= a_AMV_POSPAR_MAX
){
1056 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR
;
1057 goto jspecial_param
;
1059 }else if(n_UNLIKELY(name
[1] == '\0')){
1063 avcp
->avc_special_cat
= a_AMV_VSC_GLOBAL
;
1064 j
= (c
== '?') ? a_AMV_VST_QM
: a_AMV_VST_EM
;
1065 goto jspecial_param
;
1069 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1071 goto jspecial_param
;
1073 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1075 goto jspecial_param
;
1077 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1078 j
= a_AMV_VST_NOSIGN
;
1079 goto jspecial_param
;
1085 avcp
->avc_special_cat
= a_AMV_VSC_MULTIPLEX
;
1087 goto jspecial_param
;
1090 /* Normal reverse lookup, walk over the hashtable */
1092 avcp
->avc_special_cat
= a_AMV_VSC_NONE
;
1093 avcp
->avc_name
= name
= a_amv_var_canonify(name
);
1094 avcp
->avc_hash
= hash
= a_AMV_NAME2HASH(name
);
1096 for(i
= hash
% a_AMV_VAR_REV_PRIME
, j
= 0; j
<= a_AMV_VAR_REV_LONGEST
; ++j
){
1099 if((x
= a_amv_var_revmap
[i
]) == a_AMV_VAR_REV_ILL
)
1102 avmp
= &a_amv_var_map
[x
];
1103 if(avmp
->avm_hash
== hash
&&
1104 !strcmp(&a_amv_var_names
[avmp
->avm_keyoff
], name
)){
1105 avcp
->avc_map
= avmp
;
1106 avcp
->avc_okey
= (enum okeys
)x
;
1110 if(++i
== a_AMV_VAR_REV_PRIME
){
1111 #ifdef a_AMV_VAR_REV_WRAPAROUND
1118 avcp
->avc_map
= NULL
;
1122 return (avcp
!= NULL
);
1124 /* All these are mapped to *--special-param* */
1126 avcp
->avc_name
= name
;
1127 avcp
->avc_special_prop
= (ui16_t
)j
;
1128 avmp
= &a_amv_var_map
[a_AMV_VAR__SPECIAL_PARAM_MAP_IDX
];
1129 avcp
->avc_hash
= avmp
->avm_hash
;
1130 avcp
->avc_map
= avmp
;
1131 avcp
->avc_okey
= ok_v___special_param
;
1136 a_amv_var_lookup(struct a_amv_var_carrier
*avcp
, bool_t i3val_nonew
){
1139 struct a_amv_var_map
const *avmp
;
1140 struct a_amv_var
*avp
;
1144 struct a_amv_var
**avpp
, *lavp
;
1146 avpp
= &a_amv_vars
[avcp
->avc_prime
= a_AMV_HASH2PRIME(avcp
->avc_hash
)];
1148 for(lavp
= NULL
, avp
= *avpp
; avp
!= NULL
; lavp
= avp
, avp
= avp
->av_link
)
1149 if(!strcmp(avp
->av_name
, avcp
->avc_name
)){
1150 /* Relink as head, hope it "sorts on usage" over time.
1151 * _clear() relies on this behaviour */
1153 lavp
->av_link
= avp
->av_link
;
1154 avp
->av_link
= *avpp
;
1161 /* If this is not an assembled variable we need to consider some special
1162 * initialization cases and eventually create the variable anew */
1163 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1164 /* Does it have an import-from-environment flag? */
1165 if(n_UNLIKELY((avmp
->avm_flags
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
)) != 0)){
1166 if(n_LIKELY((cp
= getenv(avcp
->avc_name
)) != NULL
)){
1167 /* May be better not to use that one, though? */
1168 bool_t isempty
, isbltin
;
1170 isempty
= (*cp
== '\0' &&
1171 (avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) != 0);
1172 isbltin
= ((avmp
->avm_flags
& (a_AMV_VF_I3VAL
| a_AMV_VF_DEFVAL
)
1175 if(n_UNLIKELY(isempty
)){
1178 }else if(n_LIKELY(*cp
!= '\0')){
1179 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOCNTRLS
) &&
1180 !a_amv_var_check_nocntrls(cp
))){
1181 n_err(_("Ignoring environment, control characters "
1182 "invalid in variable: %s\n"), avcp
->avc_name
);
1185 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1186 !a_amv_var_check_num(cp
, FAL0
))){
1187 n_err(_("Environment variable value not a number "
1188 "or out of range: %s\n"), avcp
->avc_name
);
1191 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1192 !a_amv_var_check_num(cp
, TRU1
))){
1193 n_err(_("Environment variable value not a number, "
1194 "negative or out of range: %s\n"), avcp
->avc_name
);
1203 /* A first-time init switch is to be handled now and here */
1204 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_I3VAL
) != 0)){
1205 static struct a_amv_var_defval
const **arr
,
1206 *arr_base
[a_AMV_VAR_I3VALS_CNT
+1];
1210 arr
[i
= a_AMV_VAR_I3VALS_CNT
] = NULL
;
1212 arr
[i
] = &a_amv_var_i3vals
[i
];
1215 for(i
= 0; arr
[i
] != NULL
; ++i
)
1216 if(arr
[i
]->avdv_okey
== avcp
->avc_okey
){
1217 cp
= (avmp
->avm_flags
& a_AMV_VF_BOOL
) ? n_empty
1218 : arr
[i
]->avdv_value
;
1219 /* Remove this entry, hope entire block becomes no-op asap */
1221 arr
[i
] = arr
[i
+ 1];
1222 while(arr
[i
++] != NULL
);
1226 if(i3val_nonew
== TRUM1
)
1227 avp
= (struct a_amv_var
*)-1;
1232 /* The virtual variables */
1233 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIRT
) != 0)){
1234 for(i
= 0; i
< a_AMV_VAR_VIRTS_CNT
; ++i
)
1235 if(a_amv_var_virts
[i
].avv_okey
== avcp
->avc_okey
){
1236 avp
= n_UNCONST(a_amv_var_virts
[i
].avv_var
);
1242 /* Place this last because once it is set first the variable will never
1243 * be removed again and thus match in the first block above */
1245 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0){
1246 for(i
= 0; i
< a_AMV_VAR_DEFVALS_CNT
; ++i
)
1247 if(a_amv_var_defvals
[i
].avdv_okey
== avcp
->avc_okey
){
1248 cp
= (avmp
->avm_flags
& a_AMV_VF_BOOL
) ? n_empty
1249 : a_amv_var_defvals
[i
].avdv_value
;
1258 avcp
->avc_var
= avp
;
1260 return (avp
!= NULL
);
1263 /* E.g., $TMPDIR may be set to non-existent, so we need to be able to catch
1264 * that and redirect to a possible default value */
1265 if((avmp
->avm_flags
& a_AMV_VF_VIP
) &&
1266 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, cp
)){
1268 if(avmp
->avm_flags
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
))
1269 unsetenv(avcp
->avc_name
);
1271 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0)
1275 struct a_amv_var
**avpp
;
1278 l
= strlen(avcp
->avc_name
) +1;
1280 avp
= smalloc(n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1281 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1283 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1287 avp
->av_flags
= avmp
->avm_flags
;
1288 avp
->av_value
= a_amv_var_copy(cp
);
1290 if(avp
->av_flags
& a_AMV_VF_ENV
)
1291 a_amv_var__putenv(avcp
, avp
);
1292 if(avmp
->avm_flags
& a_AMV_VF_VIP
)
1293 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, cp
);
1299 a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
){
1303 struct a_amv_var_map
const *avmp
;
1306 /* Not function local, TODO but lazy evaluted for now */
1307 if(avcp
->avc_special_prop
== a_AMV_VST_QM
){
1308 avmp
= &a_amv_var_map
[a_AMV_VAR__QM_MAP_IDX
];
1309 avcp
->avc_okey
= ok_v___qm
;
1310 ep
= &n_pstate_ex_no
;
1312 avmp
= &a_amv_var_map
[a_AMV_VAR__EM_MAP_IDX
];
1313 avcp
->avc_okey
= ok_v___em
;
1314 ep
= &n_pstate_err_no
;
1317 /* XXX Oh heaven, we are responsible to ensure that $?/! is up-to-date
1318 * XXX and represents n_pstate_err_no; TODO unfortunately
1319 * TODO we could num=1 ok_v___[qe]m, but the thing is still a string
1320 * TODO and thus conversion takes places over and over again; also
1321 * TODO for now that would have to occur before we set _that_ value
1322 * TODO so let's special treat it until we store ints as such */
1325 case 0: rv
= n_0
; break;
1326 case 1: rv
= n_1
; break;
1328 snprintf(itoabuf
, sizeof itoabuf
, "%d", *ep
);
1332 n_PS_ROOT_BLOCK(n_var_okset(avcp
->avc_okey
, (uintptr_t)rv
));
1334 avcp
->avc_hash
= avmp
->avm_hash
;
1335 avcp
->avc_map
= avmp
;
1337 rv
= a_amv_var_lookup(avcp
, TRU1
) ? avcp
->avc_var
->av_value
: NULL
;
1343 a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
){
1350 i
= strlen(rv
= &avcp
->avc_name
[1]);
1352 /* ERR, ERRDOC, ERRNAME, plus *-NAME variants */
1353 if(rv
[0] == 'E' && i
>= 3 && rv
[1] == 'R' && rv
[2] == 'R'){
1355 e
= n_pstate_err_no
;
1357 }else if(rv
[3] == '-'){
1358 e
= n_err_from_name(&rv
[4]);
1361 case 0: rv
= n_0
; break;
1362 case 1: rv
= n_1
; break;
1364 snprintf(itoabuf
, sizeof itoabuf
, "%d", e
);
1365 rv
= savestr(itoabuf
); /* XXX yet, cannot do numbers */
1370 if(!memcmp(&rv
[3], "DOC", 3)){
1373 case '\0': e
= n_pstate_err_no
; break;
1374 case '-': e
= n_err_from_name(&rv
[1]); break;
1377 rv
= n_err_to_doc(e
);
1379 }else if(i
>= 7 && !memcmp(&rv
[3], "NAME", 4)){
1382 case '\0': e
= n_pstate_err_no
; break;
1383 case '-': e
= n_err_from_name(&rv
[1]); break;
1386 rv
= n_err_to_name(e
);
1400 a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
){
1403 char const *rv
, **argv
;
1408 /* If in a macro/xy.. */
1409 if(a_amv_lopts
!= NULL
){
1411 struct a_amv_mac_call_args
*amcap
;
1413 amcap
= a_amv_lopts
->as_amcap
;
1414 argc
= amcap
->amca_pospar
.app_count
;
1415 argv
= amcap
->amca_pospar
.app_dat
;
1416 argv
+= amcap
->amca_pospar
.app_idx
;
1418 /* ..in a `call'ed macro only, to be exact. Or in a_AMV_MACKY_MACK */
1419 if(!(ismacky
= (amcap
->amca_amp
== a_AMV_MACKY_MACK
)) &&
1420 (amcap
->amca_ps_hook_mask
||
1421 (assert(amcap
->amca_amp
!= NULL
),
1422 (amcap
->amca_amp
->am_flags
& a_AMV_MF_TYPE_MASK
1423 ) == a_AMV_MF_ACCOUNT
)))
1426 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1427 if(avcp
->avc_special_prop
> 0){
1428 if(argc
>= avcp
->avc_special_prop
)
1429 rv
= argv
[avcp
->avc_special_prop
- 1];
1431 rv
= amcap
->amca_name
;
1433 rv
= (a_amv_lopts
->as_up
!= NULL
1434 ? a_amv_lopts
->as_up
->as_amcap
->amca_name
: n_empty
);
1437 /* MACKY_MACK doesn't know about [*@#] */
1438 /*else*/ if(ismacky
){
1439 if(n_poption
& n_PO_D_V
)
1440 n_err(_("Cannot use $*/$@/$# in this context: %s\n"),
1441 n_shexp_quote_cp(avcp
->avc_name
, FAL0
));
1445 argc
= a_amv_pospar
.app_count
;
1446 argv
= a_amv_pospar
.app_dat
;
1447 argv
+= a_amv_pospar
.app_idx
;
1449 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1450 if(avcp
->avc_special_prop
> 0){
1451 if(argc
>= avcp
->avc_special_prop
)
1452 rv
= argv
[avcp
->avc_special_prop
- 1];
1459 switch(avcp
->avc_special_prop
){ /* XXX OPTIMIZE */
1460 case a_AMV_VST_STAR
:
1462 for(i
= j
= 0; i
< argc
; ++i
)
1463 j
+= strlen(argv
[i
]) + 1;
1469 rv
= cp
= n_autorec_alloc(j
);
1470 for(i
= j
= 0; i
< argc
; ++i
){
1471 j
= strlen(argv
[i
]);
1472 memcpy(cp
, argv
[i
], j
);
1479 case a_AMV_VST_NOSIGN
:{
1482 rv
= cp
= n_autorec_alloc(sizeof("65535"));
1483 snprintf(cp
, sizeof("65535"), "%hu", argc
);
1495 a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
1497 struct a_amv_var
*avp
;
1499 struct a_amv_var_map
const *avmp
;
1504 rv
= a_amv_var_clear(avcp
, force_env
);
1508 if((avmp
= avcp
->avc_map
) != NULL
){
1511 /* Validity checks */
1512 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_RDONLY
) != 0 &&
1513 !(n_pstate
& n_PS_ROOT
))){
1514 value
= N_("Variable is read-only: %s\n");
1517 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) && *value
== '\0')){
1518 value
= N_("Variable must not be empty: %s\n");
1521 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOCNTRLS
) != 0 &&
1522 !a_amv_var_check_nocntrls(value
))){
1523 value
= N_("Variable forbids control characters: %s\n");
1526 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1527 !a_amv_var_check_num(value
, FAL0
))){
1528 value
= N_("Variable value not a number or out of range: %s\n");
1531 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1532 !a_amv_var_check_num(value
, TRU1
))){
1533 value
= _("Variable value not a number, negative, "
1534 "or out of range: %s\n");
1537 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_IMPORT
) != 0 &&
1538 !(n_psonce
& n_PSO_STARTED
) && !(n_pstate
& n_PS_ROOT
))){
1539 value
= N_("Variable cannot be set in a resource file: %s\n");
1543 /* Any more complicated inter-dependency? */
1544 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1545 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, value
))){
1546 value
= N_("Assignment of variable aborted: %s\n");
1548 n_err(V_(value
), avcp
->avc_name
);
1552 /* Transformations */
1553 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_LOWER
)){
1556 oval
= savestr(value
);
1558 for(; (c
= *oval
) != '\0'; ++oval
)
1559 *oval
= lowerconv(c
);
1564 a_amv_var_lookup(avcp
, TRU1
);
1566 /* Don't care what happens later on, store this in the unroll list */
1567 if(a_amv_lopts
!= NULL
&&
1568 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
1569 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
1571 if((avp
= avcp
->avc_var
) == NULL
){
1572 struct a_amv_var
**avpp
;
1575 l
= strlen(avcp
->avc_name
) +1;
1576 avcp
->avc_var
= avp
= smalloc(n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
1578 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1583 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1584 avp
->av_flags
= (avmp
!= NULL
) ? avmp
->avm_flags
: 0;
1585 oval
= n_UNCONST(n_empty
);
1587 oval
= avp
->av_value
;
1590 avp
->av_value
= a_amv_var_copy(value
);
1592 /* Via `set' etc. the user may give even boolean options non-boolean
1593 * values, ignore that and force boolean */
1594 if(avp
->av_flags
& a_AMV_VF_BOOL
){
1595 if(!(n_pstate
& n_PS_ROOT
) && (n_poption
& n_PO_D_VV
) &&
1597 n_err(_("Ignoring value of boolean variable: %s: %s\n"),
1598 avcp
->avc_name
, value
);
1599 avp
->av_value
= n_UNCONST(n_1
);
1601 avp
->av_value
= a_amv_var_copy(value
);
1604 if(force_env
&& !(avp
->av_flags
& a_AMV_VF_ENV
))
1605 avp
->av_flags
|= a_AMV_VF_LINKED
;
1606 if(avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_LINKED
))
1607 rv
= a_amv_var__putenv(avcp
, avp
);
1608 if(avp
->av_flags
& a_AMV_VF_VIP
)
1609 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, value
);
1610 a_amv_var_free(oval
);
1617 a_amv_var__putenv(struct a_amv_var_carrier
*avcp
, struct a_amv_var
*avp
){
1625 rv
= (setenv(avcp
->avc_name
, avp
->av_value
, 1) == 0);
1627 cp
= sstrdup(savecatsep(avcp
->avc_name
, '=', avp
->av_value
));
1629 if((rv
= (putenv(cp
) == 0))){
1632 if((ocp
= avp
->av_env
) != NULL
)
1643 a_amv_var_clear(struct a_amv_var_carrier
*avcp
, bool_t force_env
){
1644 struct a_amv_var
**avpp
, *avp
;
1645 struct a_amv_var_map
const *avmp
;
1651 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1652 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NODEL
) != 0 &&
1653 !(n_pstate
& n_PS_ROOT
))){
1654 n_err(_("Variable may not be unset: %s\n"), avcp
->avc_name
);
1657 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1658 !a_amv_var_check_vips(a_AMV_VIP_CLEAR
, avcp
->avc_okey
, NULL
))){
1659 n_err(_("Clearance of variable aborted: %s\n"), avcp
->avc_name
);
1666 if(n_UNLIKELY(!a_amv_var_lookup(avcp
, TRUM1
))){
1669 rv
= a_amv_var__clearenv(avcp
->avc_name
, NULL
);
1670 }else if(!(n_pstate
& (n_PS_ROOT
| n_PS_ROBOT
)) && (n_poption
& n_PO_D_V
))
1671 n_err(_("Can't unset undefined variable: %s\n"), avcp
->avc_name
);
1673 }else if(avcp
->avc_var
== (struct a_amv_var
*)-1){
1674 avcp
->avc_var
= NULL
;
1680 if(a_amv_lopts
!= NULL
&&
1681 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
1682 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
1684 avp
= avcp
->avc_var
;
1685 avcp
->avc_var
= NULL
;
1686 avpp
= &a_amv_vars
[avcp
->avc_prime
];
1687 assert(*avpp
== avp
); /* (always listhead after lookup()) */
1688 *avpp
= (*avpp
)->av_link
;
1696 envval
= avp
->av_env
;
1698 if((avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_LINKED
)) || envval
!= NULL
)
1699 rv
= a_amv_var__clearenv(avp
->av_name
, envval
);
1701 a_amv_var_free(avp
->av_value
);
1704 /* XXX Fun part, extremely simple-minded for now: if this variable has
1705 * XXX a default value, immediately reinstantiate it! TODO Heh? */
1706 if(n_UNLIKELY(avmp
!= NULL
&& (avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0))
1707 a_amv_var_lookup(avcp
, TRU1
);
1714 a_amv_var__clearenv(char const *name
, char *value
){
1716 extern char **environ
;
1728 for(ecpp
= environ
; *ecpp
!= NULL
; ++ecpp
)
1733 while(*ecpp
++ != NULL
);
1743 a_amv_var_show_all(void){
1744 struct n_string msg
, *msgp
;
1747 struct a_amv_var
*avp
;
1748 char const **vacp
, **cap
;
1751 if((fp
= Ftmp(NULL
, "setlist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) == NULL
){
1752 n_perr(_("Can't create temporary file for `set' listing"), 0);
1756 /* We need to instantiate first-time-inits and default values here, so that
1757 * they will be regular members of our _vars[] table */
1758 for(i
= a_AMV_VAR_I3VALS_CNT
; i
-- > 0;)
1759 n_var_oklook(a_amv_var_i3vals
[i
].avdv_okey
);
1760 for(i
= a_AMV_VAR_DEFVALS_CNT
; i
-- > 0;)
1761 n_var_oklook(a_amv_var_defvals
[i
].avdv_okey
);
1763 for(no
= i
= 0; i
< a_AMV_PRIME
; ++i
)
1764 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
1766 no
+= a_AMV_VAR_VIRTS_CNT
;
1768 vacp
= n_autorec_alloc(no
* sizeof(*vacp
));
1770 for(cap
= vacp
, i
= 0; i
< a_AMV_PRIME
; ++i
)
1771 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
1772 *cap
++ = avp
->av_name
;
1773 for(i
= a_AMV_VAR_VIRTS_CNT
; i
-- > 0;)
1774 *cap
++ = a_amv_var_virts
[i
].avv_var
->av_name
;
1777 qsort(vacp
, no
, sizeof *vacp
, &a_amv_var__show_cmp
);
1780 msgp
= n_string_reserve(n_string_creat(msgp
), 80);
1781 for(i
= 0, cap
= vacp
; no
!= 0; ++cap
, --no
)
1782 i
+= a_amv_var_show(*cap
, fp
, msgp
);
1785 page_or_print(fp
, i
);
1792 a_amv_var__show_cmp(void const *s1
, void const *s2
){
1796 rv
= strcmp(*(char**)n_UNCONST(s1
), *(char**)n_UNCONST(s2
));
1802 a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
){
1803 struct a_amv_var_carrier avc
;
1809 msgp
= n_string_trunc(msgp
, 0);
1812 a_amv_var_revlookup(&avc
, name
);
1813 isset
= a_amv_var_lookup(&avc
, FAL0
);
1815 if(n_poption
& n_PO_D_V
){
1816 if(avc
.avc_map
== NULL
){
1817 msgp
= n_string_push_cp(msgp
, "#assembled variable with value");
1824 {a_AMV_VF_VIRT
, "virtual"},
1825 {a_AMV_VF_RDONLY
, "read-only"},
1826 {a_AMV_VF_NODEL
, "nodelete"},
1827 {a_AMV_VF_NOTEMPTY
, "notempty"},
1828 {a_AMV_VF_NOCNTRLS
, "no-control-chars"},
1829 {a_AMV_VF_NUM
, "number"},
1830 {a_AMV_VF_POSNUM
, "positive-number"},
1831 {a_AMV_VF_IMPORT
, "import-environ-first\0"},
1832 {a_AMV_VF_ENV
, "sync-environ"},
1833 {a_AMV_VF_I3VAL
, "initial-value"},
1834 {a_AMV_VF_DEFVAL
, "default-value"},
1835 {a_AMV_VF_LINKED
, "`environ' link"}
1838 for(tp
= tbase
; PTRCMP(tp
, <, &tbase
[n_NELEM(tbase
)]); ++tp
)
1839 if(isset
? (avc
.avc_var
->av_flags
& tp
->flag
)
1840 : (avc
.avc_map
->avm_flags
& tp
->flag
)){
1841 msgp
= n_string_push_c(msgp
, (i
++ == 0 ? '#' : ','));
1842 msgp
= n_string_push_cp(msgp
, tp
->msg
);
1846 msgp
= n_string_push_cp(msgp
, "\n ");
1849 if(!isset
|| (avc
.avc_var
->av_flags
& a_AMV_VF_RDONLY
)){
1850 msgp
= n_string_push_c(msgp
, *n_ns
);
1852 if(avc
.avc_map
!= NULL
&& (avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
))
1853 msgp
= n_string_push_cp(msgp
, "boolean; ");
1854 msgp
= n_string_push_cp(msgp
, "variable not set: ");
1855 msgp
= n_string_push_cp(msgp
, n_shexp_quote_cp(name
, FAL0
));
1860 n_UNINIT(quote
, NULL
);
1861 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_BOOL
)){
1862 quote
= n_shexp_quote_cp(avc
.avc_var
->av_value
, TRU1
);
1863 if(strcmp(quote
, avc
.avc_var
->av_value
))
1864 msgp
= n_string_push_cp(msgp
, "wysh ");
1865 }else if(n_poption
& n_PO_D_V
)
1866 msgp
= n_string_push_cp(msgp
, "wysh ");
1867 if(avc
.avc_var
->av_flags
& a_AMV_VF_LINKED
)
1868 msgp
= n_string_push_cp(msgp
, "environ ");
1869 msgp
= n_string_push_cp(msgp
, "set ");
1870 msgp
= n_string_push_cp(msgp
, name
);
1871 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_BOOL
)){
1872 msgp
= n_string_push_c(msgp
, '=');
1873 msgp
= n_string_push_cp(msgp
, quote
);
1874 }else if(n_poption
& n_PO_D_V
)
1875 msgp
= n_string_push_cp(msgp
, " #boolean");
1878 msgp
= n_string_push_c(msgp
, '\n');
1879 fputs(n_string_cp(msgp
), fp
);
1881 return (i
> 0 ? 2 : 1);
1885 a_amv_var_c_set(char **ap
, bool_t issetenv
){
1886 char *cp
, *cp2
, *varbuf
, c
;
1892 while((cp
= *ap
++) != NULL
){
1894 cp2
= varbuf
= n_autorec_alloc(strlen(cp
) +1);
1896 for(; (c
= *cp
) != '=' && c
!= '\0'; ++cp
){
1897 if(cntrlchar(c
) || spacechar(c
)){
1898 n_err(_("Variable name with control character ignored: %s\n"),
1907 cp
= n_UNCONST(n_empty
);
1912 n_err(_("Empty variable name ignored\n"));
1915 struct a_amv_var_carrier avc
;
1918 if((isunset
= (varbuf
[0] == 'n' && varbuf
[1] == 'o')))
1919 varbuf
= &varbuf
[2];
1921 a_amv_var_revlookup(&avc
, varbuf
);
1924 errs
+= !a_amv_var_clear(&avc
, issetenv
);
1926 errs
+= !a_amv_var_set(&avc
, cp
, issetenv
);
1941 if((args
= v
)[0] == NULL
){
1942 rv
= (a_amv_mac_show(a_AMV_MF_NONE
) == FAL0
);
1946 if(args
[1] == NULL
|| args
[1][0] != '{' || args
[1][1] != '\0' ||
1948 n_err(_("Synopsis: define: <name> {\n"));
1952 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_NONE
) == FAL0
);
1959 c_undefine(void *v
){
1967 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_NONE
);
1968 while(*++args
!= NULL
);
1978 rv
= a_amv_mac_call(vp
, FAL0
);
1984 c_call_if(void *vp
){
1988 rv
= a_amv_mac_call(vp
, TRU1
);
1995 struct a_amv_mac_call_args
*amcap
;
1996 struct a_amv_mac
*amp
;
1998 int rv
, i
, oqf
, nqf
;
2003 if((args
= v
)[0] == NULL
){
2004 rv
= (a_amv_mac_show(a_AMV_MF_ACCOUNT
) == FAL0
);
2008 if(args
[1] && args
[1][0] == '{' && args
[1][1] == '\0'){
2009 if(args
[2] != NULL
){
2010 n_err(_("Synopsis: account: <name> {\n"));
2013 if(!asccasecmp(args
[0], ACCOUNT_NULL
)){
2014 n_err(_("`account': cannot use reserved name: %s\n"),
2018 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_ACCOUNT
) == FAL0
);
2022 if(n_pstate
& n_PS_HOOK_MASK
){
2023 n_err(_("`account': can't change account from within a hook\n"));
2027 save_mbox_for_possible_quitstuff();
2030 if(asccasecmp(args
[0], ACCOUNT_NULL
) != 0 &&
2031 (amp
= a_amv_mac_lookup(args
[0], NULL
, a_AMV_MF_ACCOUNT
)) == NULL
){
2032 n_err(_("`account': account does not exist: %s\n"), args
[0]);
2036 oqf
= savequitflags();
2038 if(a_amv_acc_curr
!= NULL
){
2039 if(a_amv_acc_curr
->am_lopts
!= NULL
)
2040 a_amv_lopts_unroll(&a_amv_acc_curr
->am_lopts
);
2041 /* For accounts this lingers */
2042 --a_amv_acc_curr
->am_refcnt
;
2043 if(a_amv_acc_curr
->am_flags
& a_AMV_MF_DELETE
)
2044 a_amv_mac_free(a_amv_acc_curr
);
2047 a_amv_acc_curr
= amp
;
2051 assert(amp
->am_lopts
== NULL
);
2052 amcap
= n_lofi_alloc(sizeof *amcap
);
2053 memset(amcap
, 0, sizeof *amcap
);
2054 amcap
->amca_name
= amp
->am_name
;
2055 amcap
->amca_amp
= amp
;
2056 amcap
->amca_unroller
= &
->am_lopts
;
2057 amcap
->amca_lopts_on
= TRU1
;
2058 ++amp
->am_refcnt
; /* We may not run 0 to avoid being deleted! */
2059 ok
= a_amv_mac_exec(amcap
);
2061 /* XXX account switch incomplete, unroll? */
2062 n_err(_("`account': failed to switch to account: %s\n"), amp
->am_name
);
2067 n_PS_ROOT_BLOCK((amp
!= NULL
? ok_vset(account
, amp
->am_name
)
2068 : ok_vclear(account
)));
2070 if((n_psonce
& n_PSO_STARTED
) && !(n_pstate
& n_PS_HOOK_MASK
)){
2071 nqf
= savequitflags(); /* TODO obsolete (leave -> void -> new box!) */
2072 restorequitflags(oqf
);
2073 if((i
= setfile("%", 0)) < 0)
2075 temporary_folder_hook_check(FAL0
);
2076 if(i
> 0 && !ok_blook(emptystart
))
2078 n_folder_announce(n_ANNOUNCE_CHANGE
);
2079 restorequitflags(nqf
);
2088 c_unaccount(void *v
){
2096 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_ACCOUNT
);
2097 while(*++args
!= NULL
);
2103 c_localopts(void *v
){
2110 if(a_amv_lopts
== NULL
){
2111 n_err(_("Cannot use `localopts' in this context "
2112 "(not in `define' or `account', nor special hook)\n"));
2118 if(n_pstate
& (n_PS_HOOK
| n_PS_COMPOSE_MODE
)){
2119 if(n_poption
& n_PO_D_V
)
2120 n_err(_("Cannot turn off `localopts' for compose-mode hooks\n"));
2124 a_amv_lopts
->as_unroll
= (boolify(*(argv
= v
), UIZ_MAX
, FAL0
) > 0);
2132 struct a_amv_pospar
*appp
;
2139 if((v
= *(char**)v
) == NULL
)
2144 if((n_idec_si16_cp(&sib
, v
, 10, NULL
2145 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2146 ) != n_IDEC_STATE_CONSUMED
|| sib
< 0){
2147 n_err(_("`shift': invalid argument: %s\n"), v
);
2153 /* If in in a macro/xy */
2154 if(a_amv_lopts
!= NULL
){
2155 struct a_amv_mac
const *amp
;
2156 struct a_amv_mac_call_args
*amcap
;
2158 amp
= (amcap
= a_amv_lopts
->as_amcap
)->amca_amp
;
2159 if(amp
== NULL
|| amcap
->amca_ps_hook_mask
||
2160 (amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == a_AMV_MF_ACCOUNT
){
2161 n_err(_("Cannot use `shift' in `account's or hook macros etc.\n"));
2164 appp
= &amcap
->amca_pospar
;
2166 appp
= &a_amv_pospar
;
2168 if(i
> appp
->app_count
){
2169 n_err(_("`shift': cannot shift %hu of %hu parameters\n"),
2170 i
, appp
->app_count
);
2174 appp
->app_count
-= i
;
2183 c_return(void *v
){ /* TODO the exit status should be m_si64! */
2187 if(a_amv_lopts
!= NULL
){
2190 n_go_input_force_eof();
2191 n_pstate_err_no
= n_ERR_NONE
;
2194 if((argv
= v
)[0] != NULL
){
2197 if((n_idec_si32_cp(&i
, argv
[0], 10, NULL
2198 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2199 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2202 n_err(_("`return': return value argument is invalid: %s\n"),
2204 n_pstate_err_no
= n_ERR_INVAL
;
2208 if(argv
[1] != NULL
){
2209 if((n_idec_si32_cp(&i
, argv
[1], 10, NULL
2210 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2211 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2212 n_pstate_err_no
= i
;
2214 n_err(_("`return': error number argument is invalid: %s\n"),
2216 n_pstate_err_no
= n_ERR_INVAL
;
2222 n_err(_("Can only use `return' in a macro\n"));
2223 n_pstate_err_no
= n_ERR_OPNOTSUPP
;
2231 temporary_folder_hook_check(bool_t nmail
){ /* TODO temporary, v15: drop */
2232 struct a_amv_mac_call_args
*amcap
;
2233 struct a_amv_mac
*amp
;
2241 var
= n_autorec_alloc(len
= strlen(mailname
) + sizeof("folder-hook-") -1 +1);
2243 /* First try the fully resolved path */
2244 snprintf(var
, len
, "folder-hook-%s", mailname
);
2245 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2248 /* If we are under *folder*, try the usual +NAME syntax, too */
2249 if(displayname
[0] == '+'){
2252 for(x
= &mailname
[len
]; x
!= mailname
; --x
)
2254 snprintf(var
, len
, "folder-hook-+%s", x
);
2255 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2261 /* Plain *folder-hook* is our last try */
2262 if((cp
= ok_vlook(folder_hook
)) == NULL
)
2266 if((amp
= a_amv_mac_lookup(cp
, NULL
, a_AMV_MF_NONE
)) == NULL
){
2267 n_err(_("Cannot call *folder-hook* for %s: macro does not exist: %s\n"),
2268 n_shexp_quote_cp(displayname
, FAL0
), cp
);
2273 amcap
= n_lofi_alloc(sizeof *amcap
);
2274 memset(amcap
, 0, sizeof *amcap
);
2275 amcap
->amca_name
= cp
;
2276 amcap
->amca_amp
= amp
;
2277 n_pstate
&= ~n_PS_HOOK_MASK
;
2279 amcap
->amca_unroller
= NULL
;
2280 n_pstate
|= n_PS_HOOK_NEWMAIL
;
2282 amcap
->amca_unroller
= &a_amv_folder_hook_lopts
;
2283 n_pstate
|= n_PS_HOOK
;
2285 amcap
->amca_lopts_on
= TRU1
;
2286 amcap
->amca_ps_hook_mask
= TRU1
;
2287 rv
= a_amv_mac_exec(amcap
);
2288 n_pstate
&= ~n_PS_HOOK_MASK
;
2296 temporary_folder_hook_unroll(void){ /* XXX intermediate hack */
2298 if(a_amv_folder_hook_lopts
!= NULL
){
2299 void *save
= a_amv_lopts
;
2302 a_amv_lopts_unroll(&a_amv_folder_hook_lopts
);
2303 assert(a_amv_folder_hook_lopts
== NULL
);
2310 temporary_compose_mode_hook_call(char const *macname
,
2311 void (*hook_pre
)(void *), void *hook_arg
){
2312 /* TODO compose_mode_hook_call() temporary, v15: generalize; see a_GO_SPLICE
2313 * TODO comment in go.c for the right way of doing things! */
2314 static struct a_amv_lostack
*cmh_losp
;
2315 struct a_amv_mac_call_args
*amcap
;
2316 struct a_amv_mac
*amp
;
2321 if(macname
== (char*)-1){
2322 a_amv_mac__finalize(cmh_losp
);
2324 }else if(macname
!= NULL
&&
2325 (amp
= a_amv_mac_lookup(macname
, NULL
, a_AMV_MF_NONE
)) == NULL
)
2326 n_err(_("Cannot call *on-compose-**: macro does not exist: %s\n"),
2329 amcap
= n_lofi_alloc(sizeof *amcap
);
2330 memset(amcap
, 0, sizeof *amcap
);
2331 amcap
->amca_name
= (macname
!= NULL
) ? macname
2332 : "*on-compose-splice(-shell)?*";
2333 amcap
->amca_amp
= amp
;
2334 amcap
->amca_unroller
= &a_amv_compose_lopts
;
2335 amcap
->amca_hook_pre
= hook_pre
;
2336 amcap
->amca_hook_arg
= hook_arg
;
2337 amcap
->amca_lopts_on
= TRU1
;
2338 amcap
->amca_ps_hook_mask
= TRU1
;
2339 n_pstate
&= ~n_PS_HOOK_MASK
;
2340 n_pstate
|= n_PS_HOOK
;
2342 a_amv_mac_exec(amcap
);
2344 cmh_losp
= n_lofi_alloc(sizeof *cmh_losp
);
2345 cmh_losp
->as_global_saved
= a_amv_lopts
;
2346 cmh_losp
->as_up
= NULL
;
2347 cmh_losp
->as_lopts
= *(cmh_losp
->as_amcap
= amcap
)->amca_unroller
;
2348 cmh_losp
->as_unroll
= TRU1
;
2349 a_amv_lopts
= cmh_losp
;
2356 temporary_compose_mode_hook_unroll(void){ /* XXX intermediate hack */
2358 if(a_amv_compose_lopts
!= NULL
){
2359 void *save
= a_amv_lopts
;
2362 a_amv_lopts_unroll(&a_amv_compose_lopts
);
2363 assert(a_amv_compose_lopts
== NULL
);
2370 n_var_is_user_writable(char const *name
){
2371 struct a_amv_var_carrier avc
;
2372 struct a_amv_var_map
const *avmp
;
2376 a_amv_var_revlookup(&avc
, name
);
2377 if((avmp
= avc
.avc_map
) == NULL
)
2380 rv
= ((avmp
->avm_flags
& (a_AMV_VF_BOOL
| a_AMV_VF_RDONLY
)) == 0);
2386 n_var_oklook(enum okeys okey
){
2387 struct a_amv_var_carrier avc
;
2389 struct a_amv_var_map
const *avmp
;
2392 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2393 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2394 avc
.avc_hash
= avmp
->avm_hash
;
2395 avc
.avc_okey
= okey
;
2397 if(a_amv_var_lookup(&avc
, FAL0
))
2398 rv
= avc
.avc_var
->av_value
;
2406 n_var_okset(enum okeys okey
, uintptr_t val
){
2407 struct a_amv_var_carrier avc
;
2409 struct a_amv_var_map
const *avmp
;
2412 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2413 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2414 avc
.avc_hash
= avmp
->avm_hash
;
2415 avc
.avc_okey
= okey
;
2417 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
), FAL0
);
2423 n_var_okclear(enum okeys okey
){
2424 struct a_amv_var_carrier avc
;
2426 struct a_amv_var_map
const *avmp
;
2429 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2430 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2431 avc
.avc_hash
= avmp
->avm_hash
;
2432 avc
.avc_okey
= okey
;
2434 rv
= a_amv_var_clear(&avc
, FAL0
);
2440 n_var_vlook(char const *vokey
, bool_t try_getenv
){
2441 struct a_amv_var_carrier avc
;
2445 a_amv_var_revlookup(&avc
, vokey
);
2447 switch((enum a_amv_var_special_category
)avc
.avc_special_cat
){
2448 default: /* silence CC */
2449 case a_AMV_VSC_NONE
:
2450 if(a_amv_var_lookup(&avc
, FAL0
))
2451 rv
= avc
.avc_var
->av_value
;
2452 /* Only check the environment for something that is otherwise unknown */
2453 else if(try_getenv
&& avc
.avc_map
== NULL
)
2458 case a_AMV_VSC_GLOBAL
:
2459 rv
= a_amv_var_vsc_global(&avc
);
2461 case a_AMV_VSC_MULTIPLEX
:
2462 rv
= a_amv_var_vsc_multiplex(&avc
);
2464 case a_AMV_VSC_POSPAR
:
2465 case a_AMV_VSC_POSPAR_ENV
:
2466 rv
= a_amv_var_vsc_pospar(&avc
);
2474 n_var_vexplode(void const **cookie
){
2475 struct a_amv_pospar
*appp
;
2478 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
2480 *cookie
= (appp
->app_count
> 0) ? &appp
->app_dat
[appp
->app_idx
] : NULL
;
2482 return (*cookie
!= NULL
);
2486 n_var_vset(char const *vokey
, uintptr_t val
){
2487 struct a_amv_var_carrier avc
;
2491 a_amv_var_revlookup(&avc
, vokey
);
2493 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
), FAL0
);
2499 n_var_vclear(char const *vokey
){
2500 struct a_amv_var_carrier avc
;
2504 a_amv_var_revlookup(&avc
, vokey
);
2506 ok
= a_amv_var_clear(&avc
, FAL0
);
2513 n_var_xoklook(enum okeys okey
, struct url
const *urlp
,
2514 enum okey_xlook_mode oxm
){
2515 struct a_amv_var_carrier avc
;
2516 struct str
const *us
;
2519 struct a_amv_var_map
const *avmp
;
2522 assert(oxm
& (OXM_PLAIN
| OXM_H_P
| OXM_U_H_P
));
2524 /* For simplicity: allow this case too */
2525 if(!(oxm
& (OXM_H_P
| OXM_U_H_P
))){
2530 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2531 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2532 avc
.avc_okey
= okey
;
2534 us
= (oxm
& OXM_U_H_P
) ? &urlp
->url_u_h_p
: &urlp
->url_h_p
;
2535 nlen
= strlen(avc
.avc_name
);
2536 nbuf
= n_lofi_alloc(nlen
+ 1 + us
->l
+1);
2537 memcpy(nbuf
, avc
.avc_name
, nlen
);
2540 /* One of .url_u_h_p and .url_h_p we test in here */
2541 memcpy(nbuf
+ nlen
, us
->s
, us
->l
+1);
2542 avc
.avc_name
= a_amv_var_canonify(nbuf
);
2543 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
2544 if(a_amv_var_lookup(&avc
, FAL0
))
2549 us
= &urlp
->url_h_p
;
2550 memcpy(nbuf
+ nlen
, us
->s
, us
->l
+1);
2551 avc
.avc_name
= a_amv_var_canonify(nbuf
);
2552 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
2553 if(a_amv_var_lookup(&avc
, FAL0
)){
2555 rv
= avc
.avc_var
->av_value
;
2561 rv
= (oxm
& OXM_PLAIN
) ? n_var_oklook(okey
) : NULL
;
2568 #endif /* HAVE_SOCKETS */
2576 if(*(ap
= v
) == NULL
){
2577 a_amv_var_show_all();
2580 err
= !a_amv_var_c_set(ap
, FAL0
);
2591 for(err
= 0, ap
= v
; *ap
!= NULL
; ++ap
)
2592 err
|= !n_var_vclear(*ap
);
2602 if(*(ap
= v
) == NULL
)
2605 struct n_string msg
, *msgp
= &msg
;
2607 msgp
= n_string_creat(msgp
);
2608 for(; *ap
!= NULL
; ++ap
)
2609 a_amv_var_show(*ap
, n_stdout
, msgp
);
2613 return (v
== NULL
? !STOP
: !OKAY
); /* xxx 1:bad 0:good -- do some */
2618 struct a_amv_var_carrier avc
;
2622 sighandler_type sigint
;
2625 sigint
= safe_signal(SIGINT
, SIG_IGN
);
2627 for(err
= 0, argv
= v
; *argv
!= NULL
; ++argv
){
2628 memset(&avc
, 0, sizeof avc
);
2630 a_amv_var_revlookup(&avc
, *argv
);
2632 if(avc
.avc_map
!= NULL
){
2633 if(avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
){
2634 n_err(_("`varedit': cannot edit boolean variable: %s\n"),
2638 if(avc
.avc_map
->avm_flags
& a_AMV_VF_RDONLY
){
2639 n_err(_("`varedit': cannot edit read-only variable: %s\n"),
2645 a_amv_var_lookup(&avc
, FAL0
);
2647 if((of
= Ftmp(NULL
, "varedit", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
2649 n_perr(_("`varedit': can't create temporary file, bailing out"), 0);
2652 }else if(avc
.avc_var
!= NULL
&& *(val
= avc
.avc_var
->av_value
) != '\0' &&
2653 sizeof *val
!= fwrite(val
, strlen(val
), sizeof *val
, of
)){
2654 n_perr(_("`varedit' failed to write old value to temporary file"), 0);
2661 nf
= run_editor(of
, (off_t
)-1, 'e', FAL0
, NULL
, NULL
, SEND_MBOX
, sigint
);
2670 if(UICMP(64, l
, >=, UIZ_MAX
-42)){
2671 n_err(_("`varedit': not enough memory to store variable: %s\n"),
2676 varres
= val
= n_autorec_alloc(l
+1);
2677 for(; l
> 0 && (c
= getc(nf
)) != EOF
; --l
)
2681 n_err(_("`varedit': I/O while reading new value of: %s\n"),
2687 if(!a_amv_var_set(&avc
, varres
, FAL0
))
2692 n_err(_("`varedit': can't start $EDITOR, bailing out\n"));
2698 safe_signal(SIGINT
, sigint
);
2705 struct a_amv_var_carrier avc
;
2711 if((islnk
= is_asccaseprefix(*(ap
= v
), "link")) ||
2712 is_asccaseprefix(*ap
, "unlink")){
2713 for(err
= 0; *++ap
!= NULL
;){
2714 a_amv_var_revlookup(&avc
, *ap
);
2716 if(a_amv_var_lookup(&avc
, FAL0
) && (islnk
||
2717 (avc
.avc_var
->av_flags
& a_AMV_VF_LINKED
))){
2719 avc
.avc_var
->av_flags
&= ~a_AMV_VF_LINKED
;
2721 }else if(avc
.avc_var
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_LINKED
)){
2722 if(n_poption
& n_PO_D_V
)
2723 n_err(_("`environ': link: already established: %s\n"), *ap
);
2726 avc
.avc_var
->av_flags
|= a_AMV_VF_LINKED
;
2727 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_ENV
))
2728 a_amv_var__putenv(&avc
, avc
.avc_var
);
2730 n_err(_("`environ': unlink: no link established: %s\n"), *ap
);
2733 char const *evp
= getenv(*ap
);
2736 err
|= !a_amv_var_set(&avc
, evp
, TRU1
);
2738 n_err(_("`environ': link: cannot link to non-existent: %s\n"),
2744 }else if(is_asccaseprefix(*ap
, "set"))
2745 err
= !a_amv_var_c_set(++ap
, TRU1
);
2746 else if(is_asccaseprefix(*ap
, "unset")){
2747 for(err
= 0; *++ap
!= NULL
;){
2748 a_amv_var_revlookup(&avc
, *ap
);
2750 if(!a_amv_var_clear(&avc
, TRU1
))
2754 n_err(_("Synopsis: environ: <link|set|unset> <variable>...\n"));
2762 c_vexpr(void *v
){ /* TODO POSIX expr(1) comp. exit status; overly complicat. */
2764 enum n_idec_state ids
;
2766 char op
, varbuf
[64 + 64 / 8 +1];
2767 char const **argv
, *varname
, *varres
, *cp
;
2770 a_SOFTOVERFLOW
= 1u<<1,
2772 a_ISDECIMAL
= 1u<<3, /* Print only decimal result */
2773 a_SATURATED
= 1u<<4,
2775 a_UNSIGNED
= 1u<<6, /* Unsigned right shift (share bit ok) */
2782 varname
= (n_pstate
& n_PS_ARGMOD_VPUT
) ? *argv
++ : NULL
;
2783 n_UNINIT(varres
, n_empty
);
2785 if((cp
= argv
[0])[0] == '\0')
2795 if(argv
[1] == NULL
|| argv
[2] != NULL
)
2798 if(*(cp
= *++argv
) == '\0')
2800 else if(((ids
= n_idec_si64_cp(&lhv
, cp
, 0, NULL
)
2801 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2802 ) != n_IDEC_STATE_CONSUMED
){
2803 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
2805 f
|= a_SOFTOVERFLOW
;
2822 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
2827 if(*(cp
= *++argv
) == '\0')
2829 else if(((ids
= n_idec_si64_cp(&lhv
, cp
, 0, NULL
)
2830 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2831 ) != n_IDEC_STATE_CONSUMED
){
2832 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
2834 f
|= a_SOFTOVERFLOW
;
2838 if(*(cp
= *++argv
) == '\0')
2840 else if(((ids
= n_idec_si64_cp(&rhv
, cp
, 0, NULL
)
2841 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2842 ) != n_IDEC_STATE_CONSUMED
){
2843 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
2845 f
|= a_SOFTOVERFLOW
;
2855 if(rhv
!= SI64_MIN
){
2860 goto jenum_plusminus
;
2866 if(SI64_MAX
- rhv
< lhv
)
2867 goto jenum_plusminus
;
2872 if(rhv
!= SI64_MIN
){
2877 goto jenum_plusminus
;
2883 if(SI64_MIN
+ rhv
> lhv
){
2885 if(!(f
& a_SATURATED
))
2886 goto jenum_overflow
;
2887 f
|= a_SOFTOVERFLOW
;
2888 lhv
= (lhv
< 0 || xop
== '-') ? SI64_MIN
: SI64_MAX
;
2893 /* Will the result be positive? */
2894 if((lhv
< 0) == (rhv
< 0)){
2899 if(rhv
!= 0 && lhv
!= 0 && SI64_MAX
/ rhv
> lhv
){
2900 if(!(f
& a_SATURATED
))
2901 goto jenum_overflow
;
2902 f
|= a_SOFTOVERFLOW
;
2908 if(lhv
!= 0 && SI64_MIN
/ lhv
< rhv
){
2909 if(!(f
& a_SATURATED
))
2910 goto jenum_overflow
;
2911 f
|= a_SOFTOVERFLOW
;
2916 if(rhv
!= 0 && lhv
!= 0 && SI64_MIN
/ rhv
< lhv
){
2917 if(!(f
& a_SATURATED
))
2918 goto jenum_overflow
;
2919 f
|= a_SOFTOVERFLOW
;
2928 if(!(f
& a_SATURATED
))
2930 f
|= a_SOFTOVERFLOW
;
2937 if(!(f
& a_SATURATED
))
2939 f
|= a_SOFTOVERFLOW
;
2957 if(rhv
> 63){ /* xxx 63? */
2958 if(!(f
& a_SATURATED
))
2959 goto jenum_overflow
;
2964 else if(f
& a_UNSIGNED
)
2965 lhv
= (ui64_t
)lhv
>> (ui8_t
)rhv
;
2975 }else if(cp
[2] == '\0' && cp
[1] == '@'){
2979 }else if(cp
[0] == '<'){
2991 }else if(cp
[0] == '>'){
3007 }else if(is_asccaseprefix(cp
, "length")){
3008 f
|= a_ISNUM
| a_ISDECIMAL
;
3009 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3012 i
= strlen(*++argv
);
3013 if(UICMP(64, i
, >, SI64_MAX
))
3014 goto jestr_overflow
;
3016 }else if(is_asccaseprefix(cp
, "hash")){
3017 f
|= a_ISNUM
| a_ISDECIMAL
;
3018 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3021 i
= n_torek_hash(*++argv
);
3023 }else if(is_asccaseprefix(cp
, "file-expand")){
3024 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3027 if((varres
= fexpand(argv
[1], FEXP_NVAR
| FEXP_NOPROTO
)) == NULL
)
3029 }else if(is_asccaseprefix(cp
, "makeprint")){
3030 struct str sin
, sout
;
3032 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3035 sin
.l
= strlen(sin
.s
= n_UNCONST(argv
[1]));
3036 makeprint(&sin
, &sout
);
3037 varres
= savestrbuf(sout
.s
, sout
.l
);
3039 }else if(is_asccaseprefix(cp
, "random")){
3040 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3043 if((n_idec_si64_cp(&lhv
, argv
[1], 0, NULL
3044 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3045 ) != n_IDEC_STATE_CONSUMED
|| lhv
< 0 || lhv
> PATH_MAX
)
3046 goto jestr_numrange
;
3049 varres
= n_random_create_cp((size_t)lhv
, NULL
);
3050 }else if(is_asccaseprefix(cp
, "find")){
3051 f
|= a_ISNUM
| a_ISDECIMAL
;
3052 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3055 if((cp
= strstr(argv
[1], argv
[2])) == NULL
)
3057 i
= PTR2SIZE(cp
- argv
[1]);
3058 if(UICMP(64, i
, >, SI64_MAX
))
3059 goto jestr_overflow
;
3061 }else if(is_asccaseprefix(cp
, "ifind")){
3062 f
|= a_ISNUM
| a_ISDECIMAL
;
3063 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3066 if((cp
= asccasestr(argv
[1], argv
[2])) == NULL
)
3068 i
= PTR2SIZE(cp
- argv
[1]);
3069 if(UICMP(64, i
, >, SI64_MAX
))
3070 goto jestr_overflow
;
3072 }else if(is_asccaseprefix(cp
, "substring")){
3073 if(argv
[1] == NULL
|| argv
[2] == NULL
)
3075 if(argv
[3] != NULL
&& argv
[4] != NULL
)
3078 i
= strlen(varres
= *++argv
);
3080 if(*(cp
= *++argv
) == '\0')
3082 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3083 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3084 ) != n_IDEC_STATE_CONSUMED
)
3085 goto jestr_numrange
;
3086 if(UICMP(64, i
, >=, lhv
)){
3090 if(n_poption
& n_PO_D_V
)
3091 n_err(_("`vexpr': substring: offset argument too large: %s\n"),
3092 n_shexp_quote_cp(argv
[-1], FAL0
));
3093 f
|= a_SOFTOVERFLOW
;
3096 if(argv
[1] != NULL
){
3097 if(*(cp
= *++argv
) == '\0')
3099 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3100 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3101 ) != n_IDEC_STATE_CONSUMED
)
3102 goto jestr_numrange
;
3103 if(UICMP(64, i
, >=, lhv
)){
3104 if(UICMP(64, i
, !=, lhv
))
3105 varres
= savestrbuf(varres
, (size_t)lhv
);
3107 if(n_poption
& n_PO_D_V
)
3108 n_err(_("`vexpr': substring: length argument too large: %s\n"),
3109 n_shexp_quote_cp(argv
[-2], FAL0
));
3110 f
|= a_SOFTOVERFLOW
;
3114 }else if(is_asccaseprefix(cp
, "regex")) Jregex
:{
3115 regmatch_t rema
[1 + n_VEXPR_REGEX_MAX
];
3119 f
|= a_ISNUM
| a_ISDECIMAL
;
3120 if(argv
[1] == NULL
|| argv
[2] == NULL
||
3121 (argv
[3] != NULL
&& argv
[4] != NULL
))
3124 reflrv
= REG_EXTENDED
;
3126 reflrv
|= REG_ICASE
;
3127 if((reflrv
= regcomp(&re
, argv
[2], reflrv
))){
3128 n_err(_("`vexpr': invalid regular expression: %s: %s\n"),
3129 n_shexp_quote_cp(argv
[2], FAL0
), n_regex_err_to_doc(&re
, reflrv
));
3131 n_pstate_err_no
= n_ERR_INVAL
;
3134 reflrv
= regexec(&re
, argv
[1], n_NELEM(rema
), rema
, 0);
3136 if(reflrv
== REG_NOMATCH
)
3139 /* Search only? Else replace, which is a bit */
3140 if(argv
[3] == NULL
){
3141 if(UICMP(64, rema
[0].rm_so
, >, SI64_MAX
))
3142 goto jestr_overflow
;
3143 lhv
= (si64_t
)rema
[0].rm_so
;
3145 /* We need to setup some kind of pseudo macro environment for this */
3146 struct a_amv_lostack los
;
3147 struct a_amv_mac_call_args amca
;
3148 char const **reargv
;
3150 memset(&amca
, 0, sizeof amca
);
3151 amca
.amca_name
= savestrbuf(&argv
[1][rema
[0].rm_so
],
3152 rema
[0].rm_eo
- rema
[0].rm_so
);
3153 amca
.amca_amp
= a_AMV_MACKY_MACK
;
3154 for(i
= 1; rema
[i
].rm_so
!= -1 && i
< n_NELEM(rema
); ++i
)
3156 amca
.amca_pospar
.app_count
= (ui32_t
)i
- 1;
3157 amca
.amca_pospar
.app_not_heap
= TRU1
;
3158 amca
.amca_pospar
.app_dat
=
3159 reargv
= n_autorec_alloc(sizeof(char*) * i
);
3160 for(i
= 1; rema
[i
].rm_so
!= -1 && i
< n_NELEM(rema
); ++i
)
3161 *reargv
++ = savestrbuf(&argv
[1][rema
[i
].rm_so
],
3162 rema
[i
].rm_eo
- rema
[i
].rm_so
);
3165 hold_all_sigs(); /* TODO DISLIKE! */
3166 los
.as_global_saved
= a_amv_lopts
;
3167 los
.as_amcap
= &amca
;
3168 los
.as_up
= los
.as_global_saved
;
3169 los
.as_lopts
= NULL
;
3170 los
.as_unroll
= FAL0
;
3175 struct n_string s_b
;
3176 enum n_shexp_state shs
;
3178 templ
.s
= n_UNCONST(argv
[3]);
3180 shs
= n_shexp_parse_token((n_SHEXP_PARSE_LOG
|
3181 n_SHEXP_PARSE_IGNORE_EMPTY
| n_SHEXP_PARSE_QUOTE_AUTO_FIXED
|
3182 n_SHEXP_PARSE_QUOTE_AUTO_DSQ
),
3183 n_string_creat_auto(&s_b
), &templ
, NULL
);
3184 if((shs
& (n_SHEXP_STATE_ERR_MASK
| n_SHEXP_STATE_STOP
)
3185 ) == n_SHEXP_STATE_STOP
){
3186 varres
= n_string_cp(&s_b
);
3187 n_string_drop_ownership(&s_b
);
3192 a_amv_lopts
= los
.as_global_saved
;
3193 rele_all_sigs(); /* TODO DISLIKE! */
3197 f
&= ~(a_ISNUM
| a_ISDECIMAL
);
3199 }else if(is_asccaseprefix(argv
[0], "iregex")){
3202 #endif /* HAVE_REGEX */
3206 n_pstate_err_no
= (f
& a_SOFTOVERFLOW
) ? n_ERR_OVERFLOW
: n_ERR_NONE
;
3209 /* Generate the variable value content for numerics.
3210 * Anticipate in our handling below! (Don't do needless work) */
3212 if((f
& a_ISNUM
) && ((f
& a_ISDECIMAL
) || varname
!= NULL
)){
3213 snprintf(varbuf
, sizeof varbuf
, "%" PRId64
, lhv
);
3217 if(varname
== NULL
){
3218 /* If there was no error and we are printing a numeric result, print some
3219 * more bases for the fun of it */
3220 if((f
& (a_ERR
| a_ISNUM
| a_ISDECIMAL
)) == a_ISNUM
){
3223 for(j
= 1, i
= 0; i
< 64; ++i
){
3224 varbuf
[63 + 64 / 8 -j
- i
] = (lhv
& ((ui64_t
)1 << i
)) ? '1' : '0';
3225 if((i
& 7) == 7 && i
!= 63){
3227 varbuf
[63 + 64 / 8 -j
- i
] = ' ';
3230 varbuf
[64 + 64 / 8 -1] = '\0';
3231 if(fprintf(n_stdout
,
3232 "%s\n0%" PRIo64
" | 0x%" PRIX64
" | %" PRId64
"\n",
3233 varbuf
, lhv
, lhv
, lhv
) < 0){
3234 n_pstate_err_no
= n_err_no
;
3237 }else if(varres
!= NULL
&& fprintf(n_stdout
, "%s\n", varres
) < 0){
3238 n_pstate_err_no
= n_err_no
;
3241 }else if(!n_var_vset(varname
, (uintptr_t)varres
)){
3242 n_pstate_err_no
= n_ERR_NOTSUP
;
3246 return (f
& a_ERR
) ? 1 : 0;
3249 f
= a_ERR
| a_ISNUM
;
3253 n_err(_("`vexpr': invalid subcommand: %s\n"),
3254 n_shexp_quote_cp(*argv
, FAL0
));
3255 n_pstate_err_no
= n_ERR_INVAL
;
3258 n_err(_("Synopsis: vexpr: <operator> <:argument:>\n"));
3259 n_pstate_err_no
= n_ERR_INVAL
;
3263 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3264 n_shexp_quote_cp(*argv
, FAL0
));
3265 n_pstate_err_no
= n_ERR_RANGE
;
3268 n_err(_("`vexpr': expression overflows datatype: %" PRId64
" %c %" PRId64
3269 "\n"), lhv
, op
, rhv
);
3270 n_pstate_err_no
= n_ERR_OVERFLOW
;
3274 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3275 n_shexp_quote_cp(*argv
, FAL0
));
3276 n_pstate_err_no
= n_ERR_RANGE
;
3279 n_err(_("`vexpr': string length or offset overflows datatype\n"));
3280 n_pstate_err_no
= n_ERR_OVERFLOW
;
3283 n_pstate_err_no
= n_ERR_NODATA
;
3294 struct n_cmd_arg
*cap
;
3296 struct a_amv_pospar
*appp
;
3305 struct n_cmd_arg_ctx
*cacp
;
3308 n_pstate_err_no
= n_ERR_NONE
;
3309 n_UNINIT(varres
, n_empty
);
3311 cap
= cacp
->cac_arg
;
3313 if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "set"))
3315 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "clear"))
3317 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "quote"))
3320 n_err(_("`vpospar': invalid subcommand: %s\n"),
3321 n_shexp_quote_cp(cap
->ca_arg
.ca_str
.s
, FAL0
));
3322 n_pstate_err_no
= n_ERR_INVAL
;
3328 if((f
& (a_CLEAR
| a_QUOTE
)) && cap
->ca_next
!= NULL
){
3329 n_err(_("`vpospar': `%s': takes no argument\n"), cap
->ca_arg
.ca_str
.s
);
3330 n_pstate_err_no
= n_ERR_INVAL
;
3337 /* If in a macro, we need to overwrite the local instead of global argv */
3338 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
3341 if(f
& (a_SET
| a_CLEAR
)){
3342 if(cacp
->cac_vput
!= NULL
&& (n_poption
& n_PO_D_V
))
3343 n_err(_("`vpospar': `vput' only supported for `quote' subcommand\n"));
3344 if(!appp
->app_not_heap
&& appp
->app_maxcount
> 0){
3345 for(i
= appp
->app_maxcount
; i
-- != 0;)
3346 n_free(n_UNCONST(appp
->app_dat
[i
]));
3347 n_free(appp
->app_dat
);
3349 memset(appp
, 0, sizeof *appp
);
3352 if((i
= cacp
->cac_no
) > a_AMV_POSPAR_MAX
){
3353 n_err(_("`vpospar': overflow: %" PRIuZ
" arguments!\n"), i
);
3354 n_pstate_err_no
= n_ERR_OVERFLOW
;
3359 memset(appp
, 0, sizeof *appp
);
3361 appp
->app_maxcount
= appp
->app_count
= (ui16_t
)i
;
3362 /* XXX Optimize: store it all in one chunk! */
3364 i
*= sizeof *appp
->app_dat
;
3365 appp
->app_dat
= n_alloc(i
);
3367 for(i
= 0; cap
!= NULL
; ++i
, cap
= cap
->ca_next
){
3368 appp
->app_dat
[i
] = n_alloc(cap
->ca_arg
.ca_str
.l
+1);
3369 memcpy(n_UNCONST(appp
->app_dat
[i
]), cap
->ca_arg
.ca_str
.s
,
3370 cap
->ca_arg
.ca_str
.l
+1);
3373 appp
->app_dat
[i
] = NULL
;
3377 if(appp
->app_count
== 0)
3381 struct n_string s
, *sp
;
3384 sp
= n_string_creat_auto(&s
);
3386 sep1
= *ok_vlook(ifs
);
3387 sep2
= *ok_vlook(ifs_ws
);
3393 for(i
= 0; i
< appp
->app_count
; ++i
){
3395 if(!n_string_can_swallow(sp
, 2))
3397 sp
= n_string_push_c(sp
, sep1
);
3399 sp
= n_string_push_c(sp
, sep2
);
3401 in
.l
= strlen(in
.s
= n_UNCONST(appp
->app_dat
[i
+ appp
->app_idx
]));
3403 if(!n_string_can_swallow(sp
, in
.l
)){
3405 n_err(_("`vpospar': overflow: string too long!\n"));
3406 n_pstate_err_no
= n_ERR_OVERFLOW
;
3410 sp
= n_shexp_quote(sp
, &in
, TRU1
);
3413 varres
= n_string_cp(sp
);
3416 if(cacp
->cac_vput
== NULL
){
3417 if(fprintf(n_stdout
, "%s\n", varres
) < 0){
3418 n_pstate_err_no
= n_err_no
;
3421 }else if(!n_var_vset(cacp
->cac_vput
, (uintptr_t)varres
)){
3422 n_pstate_err_no
= n_ERR_NOTSUP
;
3428 return (f
& a_ERR
) ? 1 : 0;