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
;
169 bool_t amca_no_xcall
; /* We want n_GO_INPUT_NO_XCALL for this */
171 struct a_amv_pospar amca_pospar
;
174 struct a_amv_lostack
{
175 struct a_amv_lostack
*as_global_saved
; /* Saved global XXX due to jump */
176 struct a_amv_mac_call_args
*as_amcap
;
177 struct a_amv_lostack
*as_up
; /* Outer context */
178 struct a_amv_var
*as_lopts
;
179 bool_t as_unroll
; /* Unrolling enabled? */
184 struct a_amv_var
*av_link
;
187 char *av_env
; /* Actively managed putenv(3) memory */
189 ui16_t av_flags
; /* enum a_amv_var_flags */
190 char av_name
[n_VFIELD_SIZE(6)];
192 n_CTA(a_AMV_VF__MASK
<= UI16_MAX
, "Enumeration excesses storage datatype");
194 struct a_amv_var_map
{
197 ui16_t avm_flags
; /* enum a_amv_var_flags */
199 n_CTA(a_AMV_VF__MASK
<= UI16_MAX
, "Enumeration excesses storage datatype");
201 struct a_amv_var_virt
{
204 struct a_amv_var
const *avv_var
;
207 struct a_amv_var_defval
{
210 char const *avdv_value
; /* Only for !BOOL (otherwise plain existence) */
213 struct a_amv_var_carrier
{
214 char const *avc_name
;
217 struct a_amv_var
*avc_var
;
218 struct a_amv_var_map
const *avc_map
;
221 ui8_t avc_special_cat
;
222 /* Numerical parameter name if .avc_special_cat=a_AMV_VSC_POSPAR,
223 * otherwise a enum a_amv_var_special_type */
224 ui16_t avc_special_prop
;
227 /* Include constant make-okey-map.pl output, and the generated version data */
228 #include "gen-version.h"
229 #include "gen-okeys.h"
231 /* The currently active account */
232 static struct a_amv_mac
*a_amv_acc_curr
;
234 static struct a_amv_mac
*a_amv_macs
[a_AMV_PRIME
]; /* TODO dynamically spaced */
236 /* Unroll list of currently running macro stack */
237 static struct a_amv_lostack
*a_amv_lopts
;
239 static struct a_amv_var
*a_amv_vars
[a_AMV_PRIME
]; /* TODO dynamically spaced */
241 /* Global (i.e., non-local) a_AMV_VSC_POSPAR stack */
242 static struct a_amv_pospar a_amv_pospar
;
244 /* TODO We really deserve localopts support for *folder-hook*s, so hack it in
245 * TODO today via a static lostack, it should be a field in mailbox, once that
246 * TODO is a real multi-instance object */
247 static struct a_amv_var
*a_amv_folder_hook_lopts
;
249 /* TODO Rather ditto (except for storage -> cmd_ctx), compose hooks */
250 static struct a_amv_var
*a_amv_compose_lopts
;
252 /* Lookup for macros/accounts: if newamp is not NULL it will be linked in the
253 * map, if _MF_UNDEF is set a possibly existing entry will be removed (first).
254 * Returns NULL if a lookup failed, or if newamp was set, the found entry in
255 * plain lookup cases or when _UNDEF was performed on a currently active entry
256 * (the entry will have been unlinked, and the _MF_DELETE will be honoured once
257 * the reference count reaches 0), and (*)-1 if an _UNDEF was performed */
258 static struct a_amv_mac
*a_amv_mac_lookup(char const *name
,
259 struct a_amv_mac
*newamp
, enum a_amv_mac_flags amf
);
261 /* `call', `call_if' (and `xcall' via go.c -> c_call()) */
262 static int a_amv_mac_call(void *v
, bool_t silent_nexist
);
264 /* Execute a macro; amcap must reside in LOFI memory */
265 static bool_t
a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
);
267 static void a_amv_mac__finalize(void *vp
);
269 /* User display helpers */
270 static bool_t
a_amv_mac_show(enum a_amv_mac_flags amf
);
272 /* _def() returns error for faulty definitions and already existing * names,
273 * _undef() returns error if a named thing doesn't exist */
274 static bool_t
a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
);
275 static bool_t
a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
);
278 static void a_amv_mac_free(struct a_amv_mac
*amp
);
280 /* Update replay-log */
281 static void a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
282 struct a_amv_var
*oavp
);
283 static void a_amv_lopts_unroll(struct a_amv_var
**avpp
);
285 /* Special cased value string allocation */
286 static char *a_amv_var_copy(char const *str
);
287 static void a_amv_var_free(char *cp
);
289 /* Check for special housekeeping. _VIP_SET_POST and _VIP_CLEAR do not fail
290 * (or propagate errors), _VIP_SET_PRE may and should case abortion */
291 static bool_t
a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
,
292 enum okeys okey
, char const *val
);
294 /* _VF_NOCNTRLS, _VF_NUM / _VF_POSNUM */
295 static bool_t
a_amv_var_check_nocntrls(char const *val
);
296 static bool_t
a_amv_var_check_num(char const *val
, bool_t posnum
);
298 /* If a variable name begins with a lowercase-character and contains at
299 * least one '@', it is converted to all-lowercase. This is necessary
300 * for lookups of names based on email addresses.
301 * Following the standard, only the part following the last '@' should
302 * be lower-cased, but practice has established otherwise here */
303 static char const *a_amv_var_canonify(char const *vn
);
305 /* Try to reverse lookup an option name to an enum okeys mapping.
306 * Updates .avc_name and .avc_hash; .avc_map is NULL if none found */
307 static bool_t
a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
,
310 /* Lookup a variable from .avc_(map|name|hash), return whether it was found.
311 * Sets .avc_prime; .avc_var is NULL if not found.
312 * Here it is where we care for _I3VAL and _DEFVAL, too.
313 * An _I3VAL will be "consumed" as necessary anyway, but it won't be used to
314 * create a new variable if i3val_nonew is true; if i3val_nonew is TRUM1 then
315 * we set .avc_var to -1 and return true if that was the case, otherwise we'll
316 * return FAL0, then! */
317 static bool_t
a_amv_var_lookup(struct a_amv_var_carrier
*avcp
,
320 /* Lookup functions for special category variables, _pospar drives all
321 * positional parameter etc. special categories */
322 static char const *a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
);
323 static char const *a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
);
324 static char const *a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
);
326 /* Set var from .avc_(map|name|hash), return success */
327 static bool_t
a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
330 static bool_t
a_amv_var__putenv(struct a_amv_var_carrier
*avcp
,
331 struct a_amv_var
*avp
);
333 /* Clear var from .avc_(map|name|hash); sets .avc_var=NULL, return success */
334 static bool_t
a_amv_var_clear(struct a_amv_var_carrier
*avcp
, bool_t force_env
);
336 static bool_t
a_amv_var__clearenv(char const *name
, char *value
);
338 /* List all variables */
339 static void a_amv_var_show_all(void);
341 static int a_amv_var__show_cmp(void const *s1
, void const *s2
);
343 /* Actually do print one, return number of lines written */
344 static size_t a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
);
346 /* Shared c_set() and c_environ():set impl, return success */
347 static bool_t
a_amv_var_c_set(char **ap
, bool_t issetenv
);
349 static struct a_amv_mac
*
350 a_amv_mac_lookup(char const *name
, struct a_amv_mac
*newamp
,
351 enum a_amv_mac_flags amf
){
352 struct a_amv_mac
*amp
, **ampp
;
354 enum a_amv_mac_flags save_amf
;
358 amf
&= a_AMV_MF_TYPE_MASK
;
359 h
= a_AMV_NAME2HASH(name
);
360 h
= a_AMV_HASH2PRIME(h
);
361 ampp
= &a_amv_macs
[h
];
363 for(amp
= *ampp
; amp
!= NULL
; ampp
= &(*ampp
)->am_next
, amp
= amp
->am_next
){
364 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
&&
365 !strcmp(amp
->am_name
, name
)){
366 if(n_LIKELY((save_amf
& a_AMV_MF_UNDEF
) == 0))
369 *ampp
= amp
->am_next
;
371 if(amp
->am_refcnt
> 0){
372 amp
->am_flags
|= a_AMV_MF_DELETE
;
373 if(n_poption
& n_PO_D_V
)
374 n_err(_("Delayed deletion of currently active %s: %s\n"),
375 (amp
->am_flags
& a_AMV_MF_ACCOUNT
? "account" : "define"),
379 amp
= (struct a_amv_mac
*)-1;
386 ampp
= &a_amv_macs
[h
];
387 newamp
->am_next
= *ampp
;
397 a_amv_mac_call(void *v
, bool_t silent_nexist
){
398 struct a_amv_mac
*amp
;
401 struct n_cmd_arg_ctx
*cacp
;
406 if(cacp
->cac_no
== 0){
407 n_err(_("Synopsis: call(_if)?: name [:<arguments>:]\n"));
408 n_pstate_err_no
= n_ERR_INVAL
;
413 name
= cacp
->cac_arg
->ca_arg
.ca_str
.s
;
415 if(n_UNLIKELY(cacp
->cac_no
> a_AMV_POSPAR_MAX
)){
416 n_err(_("Too many arguments to macro `call': %s\n"), name
);
417 n_pstate_err_no
= n_ERR_OVERFLOW
;
419 }else if(n_UNLIKELY((amp
= a_amv_mac_lookup(name
, NULL
, a_AMV_MF_NONE
)
422 n_err(_("Undefined macro called: %s\n"), n_shexp_quote_cp(name
, FAL0
));
423 n_pstate_err_no
= n_ERR_NOENT
;
427 struct a_amv_mac_call_args
*amcap
;
430 argc
= cacp
->cac_no
+ 1;
431 amcap
= n_lofi_alloc(sizeof *amcap
+ (argc
* sizeof *argv
));
432 argv
= (void*)&amcap
[1];
434 for(argc
= 0; (cacp
->cac_arg
= cacp
->cac_arg
->ca_next
) != NULL
; ++argc
)
435 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
;
442 amcap
->amca_pospar
.app_count
= (ui16_t
)argc
;
443 amcap
->amca_pospar
.app_not_heap
= TRU1
;
444 amcap
->amca_pospar
.app_dat
= argv
;
447 (void)a_amv_mac_exec(amcap
);
456 a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
){
457 struct a_amv_lostack
*losp
;
458 struct a_amv_mac_line
**amlp
;
459 char **args_base
, **args
;
460 struct a_amv_mac
*amp
;
464 amp
= amcap
->amca_amp
;
465 assert(amp
!= NULL
&& amp
!= a_AMV_MACKY_MACK
);
467 /* XXX Unfortunately we yet need to dup the macro lines! :( */
468 args_base
= args
= smalloc(sizeof(*args
) * (amp
->am_line_cnt
+1));
469 for(amlp
= amp
->am_line_dat
; *amlp
!= NULL
; ++amlp
)
470 *(args
++) = sbufdup((*amlp
)->aml_dat
, (*amlp
)->aml_len
);
473 losp
= n_lofi_alloc(sizeof *losp
);
474 losp
->as_global_saved
= a_amv_lopts
;
475 if((losp
->as_amcap
= amcap
)->amca_unroller
== NULL
){
476 losp
->as_up
= losp
->as_global_saved
;
477 losp
->as_lopts
= NULL
;
480 losp
->as_lopts
= *amcap
->amca_unroller
;
482 losp
->as_unroll
= amcap
->amca_lopts_on
;
485 if(amcap
->amca_hook_pre
!= NULL
)
486 n_PS_ROOT_BLOCK((*amcap
->amca_hook_pre
)(amcap
->amca_hook_arg
));
487 rv
= n_go_macro((n_GO_INPUT_NONE
|
488 (amcap
->amca_no_xcall
? n_GO_INPUT_NO_XCALL
: 0)),
489 amp
->am_name
, args_base
, &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
)
696 * free(amp->am_line_dat);
703 a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
){
704 struct a_amv_mac
*amp
;
710 if(n_LIKELY(name
[0] != '*' || name
[1] != '\0')){
711 if((amp
= a_amv_mac_lookup(name
, NULL
, amf
| a_AMV_MF_UNDEF
)) == NULL
){
712 n_err(_("%s not defined: %s\n"),
713 (amf
& a_AMV_MF_ACCOUNT
? "Account" : "Macro"), name
);
717 struct a_amv_mac
**ampp
, *lamp
;
719 for(ampp
= a_amv_macs
; PTRCMP(ampp
, <, &a_amv_macs
[n_NELEM(a_amv_macs
)]);
721 for(lamp
= NULL
, amp
= *ampp
; amp
!= NULL
;){
722 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
723 /* xxx Expensive but rare: be simple */
724 a_amv_mac_lookup(amp
->am_name
, NULL
, amf
| a_AMV_MF_UNDEF
);
725 amp
= (lamp
== NULL
) ? *ampp
: lamp
->am_next
;
737 a_amv_mac_free(struct a_amv_mac
*amp
){
738 struct a_amv_mac_line
**amlpp
;
741 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++amlpp
)
743 free(amp
->am_line_dat
);
749 a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
750 struct a_amv_var
*oavp
){
751 struct a_amv_var
*avp
;
755 /* Propagate unrolling up the stack, as necessary */
760 if((alp
= alp
->as_up
) == NULL
)
764 /* Check whether this variable is handled yet */
765 for(avp
= alp
->as_lopts
; avp
!= NULL
; avp
= avp
->av_link
)
766 if(!strcmp(avp
->av_name
, name
))
769 nl
= strlen(name
) +1;
770 vl
= (oavp
!= NULL
) ? strlen(oavp
->av_value
) +1 : 0;
771 avp
= smalloc(n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + nl
+ vl
);
772 avp
->av_link
= alp
->as_lopts
;
774 memcpy(avp
->av_name
, name
, nl
);
776 avp
->av_value
= NULL
;
782 avp
->av_value
= &avp
->av_name
[nl
];
783 avp
->av_flags
= oavp
->av_flags
;
784 memcpy(avp
->av_value
, oavp
->av_value
, vl
);
786 avp
->av_env
= (oavp
->av_env
== NULL
) ? NULL
: sstrdup(oavp
->av_env
);
794 a_amv_lopts_unroll(struct a_amv_var
**avpp
){
795 struct a_amv_lostack
*save_alp
;
796 struct a_amv_var
*x
, *avp
;
802 save_alp
= a_amv_lopts
;
807 n_PS_ROOT_BLOCK(n_var_vset(x
->av_name
, (uintptr_t)x
->av_value
));
810 a_amv_lopts
= save_alp
;
815 a_amv_var_copy(char const *str
){
821 news
= n_UNCONST(n_empty
);
822 else if(str
[1] == '\0'){
824 news
= n_UNCONST(n_1
);
825 else if(str
[0] == '0')
826 news
= n_UNCONST(n_0
);
829 }else if(str
[2] == '\0' && str
[0] == '-' && str
[1] == '1')
830 news
= n_UNCONST(n_m1
);
833 len
= strlen(str
) +1;
835 memcpy(news
, str
, len
);
842 a_amv_var_free(char *cp
){
844 if(cp
[0] != '\0' && cp
!= n_0
&& cp
!= n_1
&& cp
!= n_m1
)
850 a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
, enum okeys okey
,
857 if(avvm
== a_AMV_VIP_SET_PRE
){
862 /* Note this gets called from main.c during initialization, and they
863 * simply set this to pw_dir as a fallback: don't verify _that_ call.
865 if(!(n_pstate
& n_PS_ROOT
) && !n_is_dir(val
, TRU1
)){
866 n_err(_("$HOME is not a directory or not accessible: %s\n"),
867 n_shexp_quote_cp(val
, FAL0
));
873 if(!n_is_dir(val
, TRU1
)){
874 n_err(_("$TMPDIR is not a directory or not accessible: %s\n"),
875 n_shexp_quote_cp(val
, FAL0
));
883 n_idec_ui64_cp(&uib
, val
, 0, NULL
);
884 if(uib
& ~0777u){ /* (is valid _VF_POSNUM) */
885 n_err(_("Invalid *umask* setting: %s\n"), val
);
891 }else if(avvm
== a_AMV_VIP_SET_POST
){
896 n_poption
|= n_PO_DEBUG
;
899 /* Invalidate any resolved folder then, too
902 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
907 x_b
= x
= n_autorec_alloc(strlen(val
) +1);
908 while((c
= *val
++) != '\0')
912 n_PS_ROOT_BLOCK(ok_vset(ifs_ws
, x_b
));
914 #ifdef HAVE_SETLOCALE
922 n_poption
|= n_PO_MEMDEBUG
;
924 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
925 if(!(n_pstate
& n_PS_ROOT
))
926 n_PS_ROOT_BLOCK(ok_bset(posix
));
928 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
929 if(!(n_pstate
& n_PS_ROOT
))
930 n_PS_ROOT_BLOCK(ok_bset(POSIXLY_CORRECT
));
932 case ok_b_skipemptybody
:
933 n_poption
|= n_PO_E_FLAG
;
935 case ok_b_typescript_mode
:
936 ok_bset(colour_disable
);
937 ok_bset(line_editor_disable
);
938 if(!(n_psonce
& n_PSO_STARTED
))
939 ok_bset(termcap_disable
);
945 n_idec_ui64_cp(&uib
, val
, 0, NULL
);
950 n_poption
|= (n_poption
& n_PO_VERB
) ? n_PO_VERBVERB
: n_PO_VERB
;
958 n_poption
&= ~n_PO_DEBUG
;
961 /* Invalidate any resolved folder then, too
964 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
967 n_poption
&= ~n_PO_MEMDEBUG
;
969 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
970 if(!(n_pstate
& n_PS_ROOT
))
971 n_PS_ROOT_BLOCK(ok_bclear(posix
));
973 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
974 if(!(n_pstate
& n_PS_ROOT
))
975 n_PS_ROOT_BLOCK(ok_bclear(POSIXLY_CORRECT
));
977 case ok_b_skipemptybody
:
978 n_poption
&= ~n_PO_E_FLAG
;
981 n_poption
&= ~(n_PO_VERB
| n_PO_VERBVERB
);
990 a_amv_var_check_nocntrls(char const *val
){
994 while((c
= *val
++) != '\0')
1002 a_amv_var_check_num(char const *val
, bool_t posnum
){
1003 /* TODO The internal/environment variables which are num= or posnum= should
1004 * TODO gain special lookup functions, or the return should be void* and
1005 * TODO castable to integer; i.e. no more strtoX() should be needed.
1006 * TODO I.e., the result of this function should instead be stored */
1012 if(*val
!= '\0'){ /* Would be _VF_NOTEMPTY if not allowed */
1014 enum n_idec_state ids
;
1016 ids
= n_idec_cp(&uib
, val
, 0,
1017 (posnum
? n_IDEC_MODE_SIGNED_TYPE
: n_IDEC_MODE_NONE
), NULL
);
1018 if((ids
& (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
1019 ) != n_IDEC_STATE_CONSUMED
)
1021 /* TODO Unless we store integers we need to look and forbid, because
1022 * TODO callee may not be able to swallow, e.g., "-1" */
1023 if(posnum
&& (ids
& n_IDEC_STATE_SEEN_MINUS
))
1031 a_amv_var_canonify(char const *vn
){
1033 if(!upperchar(*vn
)){
1036 for(vp
= vn
; *vp
!= '\0' && *vp
!= '@'; ++vp
)
1038 vn
= (*vp
== '@') ? i_strdup(vn
) : vn
;
1045 a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
, char const *name
){
1047 struct a_amv_var_map
const *avmp
;
1051 /* It may be a special a.k.a. macro-local or one-letter parameter */
1053 if(n_UNLIKELY(digitchar(c
))){
1054 /* (Inline dec. atoi, ugh) */
1055 for(j
= (ui8_t
)c
- '0', i
= 1;; ++i
){
1060 goto jno_special_param
;
1061 j
= j
* 10 + (ui8_t
)c
- '0';
1063 if(j
<= a_AMV_POSPAR_MAX
){
1064 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR
;
1065 goto jspecial_param
;
1067 }else if(n_UNLIKELY(name
[1] == '\0')){
1071 avcp
->avc_special_cat
= a_AMV_VSC_GLOBAL
;
1072 j
= (c
== '?') ? a_AMV_VST_QM
: a_AMV_VST_EM
;
1073 goto jspecial_param
;
1077 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1079 goto jspecial_param
;
1081 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1083 goto jspecial_param
;
1085 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1086 j
= a_AMV_VST_NOSIGN
;
1087 goto jspecial_param
;
1093 avcp
->avc_special_cat
= a_AMV_VSC_MULTIPLEX
;
1095 goto jspecial_param
;
1098 /* Normal reverse lookup, walk over the hashtable */
1100 avcp
->avc_special_cat
= a_AMV_VSC_NONE
;
1101 avcp
->avc_name
= name
= a_amv_var_canonify(name
);
1102 avcp
->avc_hash
= hash
= a_AMV_NAME2HASH(name
);
1104 for(i
= hash
% a_AMV_VAR_REV_PRIME
, j
= 0; j
<= a_AMV_VAR_REV_LONGEST
; ++j
){
1107 if((x
= a_amv_var_revmap
[i
]) == a_AMV_VAR_REV_ILL
)
1110 avmp
= &a_amv_var_map
[x
];
1111 if(avmp
->avm_hash
== hash
&&
1112 !strcmp(&a_amv_var_names
[avmp
->avm_keyoff
], name
)){
1113 avcp
->avc_map
= avmp
;
1114 avcp
->avc_okey
= (enum okeys
)x
;
1118 if(++i
== a_AMV_VAR_REV_PRIME
){
1119 #ifdef a_AMV_VAR_REV_WRAPAROUND
1126 avcp
->avc_map
= NULL
;
1130 return (avcp
!= NULL
);
1132 /* All these are mapped to *--special-param* */
1134 avcp
->avc_name
= name
;
1135 avcp
->avc_special_prop
= (ui16_t
)j
;
1136 avmp
= &a_amv_var_map
[a_AMV_VAR__SPECIAL_PARAM_MAP_IDX
];
1137 avcp
->avc_hash
= avmp
->avm_hash
;
1138 avcp
->avc_map
= avmp
;
1139 avcp
->avc_okey
= ok_v___special_param
;
1144 a_amv_var_lookup(struct a_amv_var_carrier
*avcp
, bool_t i3val_nonew
){
1147 struct a_amv_var_map
const *avmp
;
1148 struct a_amv_var
*avp
;
1152 struct a_amv_var
**avpp
, *lavp
;
1154 avpp
= &a_amv_vars
[avcp
->avc_prime
= a_AMV_HASH2PRIME(avcp
->avc_hash
)];
1156 for(lavp
= NULL
, avp
= *avpp
; avp
!= NULL
; lavp
= avp
, avp
= avp
->av_link
)
1157 if(!strcmp(avp
->av_name
, avcp
->avc_name
)){
1158 /* Relink as head, hope it "sorts on usage" over time.
1159 * _clear() relies on this behaviour */
1161 lavp
->av_link
= avp
->av_link
;
1162 avp
->av_link
= *avpp
;
1169 /* If this is not an assembled variable we need to consider some special
1170 * initialization cases and eventually create the variable anew */
1171 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1172 /* Does it have an import-from-environment flag? */
1173 if(n_UNLIKELY((avmp
->avm_flags
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
)) != 0)){
1174 if(n_LIKELY((cp
= getenv(avcp
->avc_name
)) != NULL
)){
1175 /* May be better not to use that one, though? */
1176 bool_t isempty
, isbltin
;
1178 isempty
= (*cp
== '\0' &&
1179 (avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) != 0);
1180 isbltin
= ((avmp
->avm_flags
& (a_AMV_VF_I3VAL
| a_AMV_VF_DEFVAL
)
1183 if(n_UNLIKELY(isempty
)){
1186 }else if(n_LIKELY(*cp
!= '\0')){
1187 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOCNTRLS
) &&
1188 !a_amv_var_check_nocntrls(cp
))){
1189 n_err(_("Ignoring environment, control characters "
1190 "invalid in variable: %s\n"), avcp
->avc_name
);
1193 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1194 !a_amv_var_check_num(cp
, FAL0
))){
1195 n_err(_("Environment variable value not a number "
1196 "or out of range: %s\n"), avcp
->avc_name
);
1199 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1200 !a_amv_var_check_num(cp
, TRU1
))){
1201 n_err(_("Environment variable value not a number, "
1202 "negative or out of range: %s\n"), avcp
->avc_name
);
1211 /* A first-time init switch is to be handled now and here */
1212 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_I3VAL
) != 0)){
1213 static struct a_amv_var_defval
const **arr
,
1214 *arr_base
[a_AMV_VAR_I3VALS_CNT
+1];
1218 arr
[i
= a_AMV_VAR_I3VALS_CNT
] = NULL
;
1220 arr
[i
] = &a_amv_var_i3vals
[i
];
1223 for(i
= 0; arr
[i
] != NULL
; ++i
)
1224 if(arr
[i
]->avdv_okey
== avcp
->avc_okey
){
1225 cp
= (avmp
->avm_flags
& a_AMV_VF_BOOL
) ? n_empty
1226 : arr
[i
]->avdv_value
;
1227 /* Remove this entry, hope entire block becomes no-op asap */
1229 arr
[i
] = arr
[i
+ 1];
1230 while(arr
[i
++] != NULL
);
1234 if(i3val_nonew
== TRUM1
)
1235 avp
= (struct a_amv_var
*)-1;
1240 /* The virtual variables */
1241 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIRT
) != 0)){
1242 for(i
= 0; i
< a_AMV_VAR_VIRTS_CNT
; ++i
)
1243 if(a_amv_var_virts
[i
].avv_okey
== avcp
->avc_okey
){
1244 avp
= n_UNCONST(a_amv_var_virts
[i
].avv_var
);
1250 /* Place this last because once it is set first the variable will never
1251 * be removed again and thus match in the first block above */
1253 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0){
1254 for(i
= 0; i
< a_AMV_VAR_DEFVALS_CNT
; ++i
)
1255 if(a_amv_var_defvals
[i
].avdv_okey
== avcp
->avc_okey
){
1256 cp
= (avmp
->avm_flags
& a_AMV_VF_BOOL
) ? n_empty
1257 : a_amv_var_defvals
[i
].avdv_value
;
1266 avcp
->avc_var
= avp
;
1268 return (avp
!= NULL
);
1271 /* E.g., $TMPDIR may be set to non-existent, so we need to be able to catch
1272 * that and redirect to a possible default value */
1273 if((avmp
->avm_flags
& a_AMV_VF_VIP
) &&
1274 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, cp
)){
1276 if(avmp
->avm_flags
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
))
1277 unsetenv(avcp
->avc_name
);
1279 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0)
1283 struct a_amv_var
**avpp
;
1286 l
= strlen(avcp
->avc_name
) +1;
1288 avp
= smalloc(n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1289 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1291 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1295 avp
->av_flags
= avmp
->avm_flags
;
1296 avp
->av_value
= a_amv_var_copy(cp
);
1298 if(avp
->av_flags
& a_AMV_VF_ENV
)
1299 a_amv_var__putenv(avcp
, avp
);
1300 if(avmp
->avm_flags
& a_AMV_VF_VIP
)
1301 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, cp
);
1307 a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
){
1311 struct a_amv_var_map
const *avmp
;
1314 /* Not function local, TODO but lazy evaluted for now */
1315 if(avcp
->avc_special_prop
== a_AMV_VST_QM
){
1316 avmp
= &a_amv_var_map
[a_AMV_VAR__QM_MAP_IDX
];
1317 avcp
->avc_okey
= ok_v___qm
;
1318 ep
= &n_pstate_ex_no
;
1320 avmp
= &a_amv_var_map
[a_AMV_VAR__EM_MAP_IDX
];
1321 avcp
->avc_okey
= ok_v___em
;
1322 ep
= &n_pstate_err_no
;
1325 /* XXX Oh heaven, we are responsible to ensure that $?/! is up-to-date
1326 * TODO we could num=1 ok_v___[qe]m, but the thing is still a string
1327 * TODO and thus conversion takes places over and over again; also
1328 * TODO for now that would have to occur before we set _that_ value
1329 * TODO so let's special treat it until we store ints as such */
1331 case 0: rv
= n_0
; break;
1332 case 1: rv
= n_1
; break;
1334 snprintf(itoabuf
, sizeof itoabuf
, "%d", *ep
);
1338 n_PS_ROOT_BLOCK(n_var_okset(avcp
->avc_okey
, (uintptr_t)rv
));
1340 avcp
->avc_hash
= avmp
->avm_hash
;
1341 avcp
->avc_map
= avmp
;
1342 rv
= a_amv_var_lookup(avcp
, TRU1
) ? avcp
->avc_var
->av_value
: NULL
;
1348 a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
){
1355 i
= strlen(rv
= &avcp
->avc_name
[1]);
1357 /* ERR, ERRDOC, ERRNAME, plus *-NAME variants */
1358 if(rv
[0] == 'E' && i
>= 3 && rv
[1] == 'R' && rv
[2] == 'R'){
1360 e
= n_pstate_err_no
;
1362 }else if(rv
[3] == '-'){
1363 e
= n_err_from_name(&rv
[4]);
1366 case 0: rv
= n_0
; break;
1367 case 1: rv
= n_1
; break;
1369 snprintf(itoabuf
, sizeof itoabuf
, "%d", e
);
1370 rv
= savestr(itoabuf
); /* XXX yet, cannot do numbers */
1375 if(!memcmp(&rv
[3], "DOC", 3)){
1378 case '\0': e
= n_pstate_err_no
; break;
1379 case '-': e
= n_err_from_name(&rv
[1]); break;
1382 rv
= n_err_to_doc(e
);
1384 }else if(i
>= 7 && !memcmp(&rv
[3], "NAME", 4)){
1387 case '\0': e
= n_pstate_err_no
; break;
1388 case '-': e
= n_err_from_name(&rv
[1]); break;
1391 rv
= n_err_to_name(e
);
1405 a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
){
1408 char const *rv
, **argv
;
1413 /* If in a macro/xy.. */
1414 if(a_amv_lopts
!= NULL
){
1416 struct a_amv_mac_call_args
*amcap
;
1418 amcap
= a_amv_lopts
->as_amcap
;
1419 argc
= amcap
->amca_pospar
.app_count
;
1420 argv
= amcap
->amca_pospar
.app_dat
;
1421 argv
+= amcap
->amca_pospar
.app_idx
;
1423 /* ..in a `call'ed macro only, to be exact. Or in a_AMV_MACKY_MACK */
1424 if(!(ismacky
= (amcap
->amca_amp
== a_AMV_MACKY_MACK
)) &&
1425 (amcap
->amca_ps_hook_mask
||
1426 (assert(amcap
->amca_amp
!= NULL
),
1427 (amcap
->amca_amp
->am_flags
& a_AMV_MF_TYPE_MASK
1428 ) == a_AMV_MF_ACCOUNT
)))
1431 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1432 if(avcp
->avc_special_prop
> 0){
1433 if(argc
>= avcp
->avc_special_prop
)
1434 rv
= argv
[avcp
->avc_special_prop
- 1];
1436 rv
= amcap
->amca_name
;
1438 rv
= (a_amv_lopts
->as_up
!= NULL
1439 ? a_amv_lopts
->as_up
->as_amcap
->amca_name
: n_empty
);
1442 /* MACKY_MACK doesn't know about [*@#] */
1443 /*else*/ if(ismacky
){
1444 if(n_poption
& n_PO_D_V
)
1445 n_err(_("Cannot use $*/$@/$# in this context: %s\n"),
1446 n_shexp_quote_cp(avcp
->avc_name
, FAL0
));
1450 argc
= a_amv_pospar
.app_count
;
1451 argv
= a_amv_pospar
.app_dat
;
1452 argv
+= a_amv_pospar
.app_idx
;
1454 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1455 if(avcp
->avc_special_prop
> 0){
1456 if(argc
>= avcp
->avc_special_prop
)
1457 rv
= argv
[avcp
->avc_special_prop
- 1];
1464 switch(avcp
->avc_special_prop
){ /* XXX OPTIMIZE */
1465 case a_AMV_VST_STAR
:
1467 for(i
= j
= 0; i
< argc
; ++i
)
1468 j
+= strlen(argv
[i
]) + 1;
1474 rv
= cp
= n_autorec_alloc(j
);
1475 for(i
= j
= 0; i
< argc
; ++i
){
1476 j
= strlen(argv
[i
]);
1477 memcpy(cp
, argv
[i
], j
);
1484 case a_AMV_VST_NOSIGN
:{
1487 rv
= cp
= n_autorec_alloc(sizeof("65535"));
1488 snprintf(cp
, sizeof("65535"), "%hu", argc
);
1500 a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
1502 struct a_amv_var
*avp
;
1504 struct a_amv_var_map
const *avmp
;
1509 rv
= a_amv_var_clear(avcp
, force_env
);
1513 if((avmp
= avcp
->avc_map
) != NULL
){
1516 /* Validity checks */
1517 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_RDONLY
) != 0 &&
1518 !(n_pstate
& n_PS_ROOT
))){
1519 value
= N_("Variable is read-only: %s\n");
1522 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) && *value
== '\0')){
1523 value
= N_("Variable must not be empty: %s\n");
1526 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOCNTRLS
) != 0 &&
1527 !a_amv_var_check_nocntrls(value
))){
1528 value
= N_("Variable forbids control characters: %s\n");
1531 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1532 !a_amv_var_check_num(value
, FAL0
))){
1533 value
= N_("Variable value not a number or out of range: %s\n");
1536 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1537 !a_amv_var_check_num(value
, TRU1
))){
1538 value
= _("Variable value not a number, negative, "
1539 "or out of range: %s\n");
1542 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_IMPORT
) != 0 &&
1543 !(n_psonce
& n_PSO_STARTED
) && !(n_pstate
& n_PS_ROOT
))){
1544 value
= N_("Variable cannot be set in a resource file: %s\n");
1548 /* Any more complicated inter-dependency? */
1549 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1550 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, value
))){
1551 value
= N_("Assignment of variable aborted: %s\n");
1553 n_err(V_(value
), avcp
->avc_name
);
1557 /* Transformations */
1558 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_LOWER
)){
1561 oval
= savestr(value
);
1563 for(; (c
= *oval
) != '\0'; ++oval
)
1564 *oval
= lowerconv(c
);
1569 a_amv_var_lookup(avcp
, TRU1
);
1571 /* Don't care what happens later on, store this in the unroll list */
1572 if(a_amv_lopts
!= NULL
&&
1573 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
1574 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
1576 if((avp
= avcp
->avc_var
) == NULL
){
1577 struct a_amv_var
**avpp
;
1580 l
= strlen(avcp
->avc_name
) +1;
1581 avcp
->avc_var
= avp
= smalloc(n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
1583 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1588 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1589 avp
->av_flags
= (avmp
!= NULL
) ? avmp
->avm_flags
: 0;
1590 oval
= n_UNCONST(n_empty
);
1592 oval
= avp
->av_value
;
1595 avp
->av_value
= a_amv_var_copy(value
);
1597 /* Via `set' etc. the user may give even boolean options non-boolean
1598 * values, ignore that and force boolean */
1599 if(avp
->av_flags
& a_AMV_VF_BOOL
){
1600 if(!(n_pstate
& n_PS_ROOT
) && (n_poption
& n_PO_D_VV
) &&
1602 n_err(_("Ignoring value of boolean variable: %s: %s\n"),
1603 avcp
->avc_name
, value
);
1604 avp
->av_value
= n_UNCONST(n_1
);
1606 avp
->av_value
= a_amv_var_copy(value
);
1609 if(force_env
&& !(avp
->av_flags
& a_AMV_VF_ENV
))
1610 avp
->av_flags
|= a_AMV_VF_LINKED
;
1611 if(avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_LINKED
))
1612 rv
= a_amv_var__putenv(avcp
, avp
);
1613 if(avp
->av_flags
& a_AMV_VF_VIP
)
1614 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, value
);
1615 a_amv_var_free(oval
);
1622 a_amv_var__putenv(struct a_amv_var_carrier
*avcp
, struct a_amv_var
*avp
){
1630 rv
= (setenv(avcp
->avc_name
, avp
->av_value
, 1) == 0);
1632 cp
= sstrdup(savecatsep(avcp
->avc_name
, '=', avp
->av_value
));
1634 if((rv
= (putenv(cp
) == 0))){
1637 if((ocp
= avp
->av_env
) != NULL
)
1648 a_amv_var_clear(struct a_amv_var_carrier
*avcp
, bool_t force_env
){
1649 struct a_amv_var
**avpp
, *avp
;
1650 struct a_amv_var_map
const *avmp
;
1656 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1657 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NODEL
) != 0 &&
1658 !(n_pstate
& n_PS_ROOT
))){
1659 n_err(_("Variable may not be unset: %s\n"), avcp
->avc_name
);
1662 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1663 !a_amv_var_check_vips(a_AMV_VIP_CLEAR
, avcp
->avc_okey
, NULL
))){
1664 n_err(_("Clearance of variable aborted: %s\n"), avcp
->avc_name
);
1671 if(n_UNLIKELY(!a_amv_var_lookup(avcp
, TRUM1
))){
1674 rv
= a_amv_var__clearenv(avcp
->avc_name
, NULL
);
1675 }else if(!(n_pstate
& (n_PS_ROOT
| n_PS_ROBOT
)) && (n_poption
& n_PO_D_V
))
1676 n_err(_("Can't unset undefined variable: %s\n"), avcp
->avc_name
);
1678 }else if(avcp
->avc_var
== (struct a_amv_var
*)-1){
1679 avcp
->avc_var
= NULL
;
1685 if(a_amv_lopts
!= NULL
&&
1686 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
1687 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
1689 avp
= avcp
->avc_var
;
1690 avcp
->avc_var
= NULL
;
1691 avpp
= &a_amv_vars
[avcp
->avc_prime
];
1692 assert(*avpp
== avp
); /* (always listhead after lookup()) */
1693 *avpp
= (*avpp
)->av_link
;
1701 envval
= avp
->av_env
;
1703 if((avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_LINKED
)) || envval
!= NULL
)
1704 rv
= a_amv_var__clearenv(avp
->av_name
, envval
);
1706 a_amv_var_free(avp
->av_value
);
1709 /* XXX Fun part, extremely simple-minded for now: if this variable has
1710 * XXX a default value, immediately reinstantiate it! TODO Heh? */
1711 if(n_UNLIKELY(avmp
!= NULL
&& (avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0))
1712 a_amv_var_lookup(avcp
, TRU1
);
1719 a_amv_var__clearenv(char const *name
, char *value
){
1721 extern char **environ
;
1733 for(ecpp
= environ
; *ecpp
!= NULL
; ++ecpp
)
1738 while(*ecpp
++ != NULL
);
1748 a_amv_var_show_all(void){
1749 struct n_string msg
, *msgp
;
1752 struct a_amv_var
*avp
;
1753 char const **vacp
, **cap
;
1756 if((fp
= Ftmp(NULL
, "setlist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) == NULL
){
1757 n_perr(_("Can't create temporary file for `set' listing"), 0);
1761 /* We need to instantiate first-time-inits and default values here, so that
1762 * they will be regular members of our _vars[] table */
1763 for(i
= a_AMV_VAR_I3VALS_CNT
; i
-- > 0;)
1764 n_var_oklook(a_amv_var_i3vals
[i
].avdv_okey
);
1765 for(i
= a_AMV_VAR_DEFVALS_CNT
; i
-- > 0;)
1766 n_var_oklook(a_amv_var_defvals
[i
].avdv_okey
);
1768 for(no
= i
= 0; i
< a_AMV_PRIME
; ++i
)
1769 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
1771 no
+= a_AMV_VAR_VIRTS_CNT
;
1773 vacp
= n_autorec_alloc(no
* sizeof(*vacp
));
1775 for(cap
= vacp
, i
= 0; i
< a_AMV_PRIME
; ++i
)
1776 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
1777 *cap
++ = avp
->av_name
;
1778 for(i
= a_AMV_VAR_VIRTS_CNT
; i
-- > 0;)
1779 *cap
++ = a_amv_var_virts
[i
].avv_var
->av_name
;
1782 qsort(vacp
, no
, sizeof *vacp
, &a_amv_var__show_cmp
);
1785 msgp
= n_string_reserve(n_string_creat(msgp
), 80);
1786 for(i
= 0, cap
= vacp
; no
!= 0; ++cap
, --no
)
1787 i
+= a_amv_var_show(*cap
, fp
, msgp
);
1790 page_or_print(fp
, i
);
1797 a_amv_var__show_cmp(void const *s1
, void const *s2
){
1801 rv
= strcmp(*(char**)n_UNCONST(s1
), *(char**)n_UNCONST(s2
));
1807 a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
){
1808 struct a_amv_var_carrier avc
;
1814 msgp
= n_string_trunc(msgp
, 0);
1817 a_amv_var_revlookup(&avc
, name
);
1818 isset
= a_amv_var_lookup(&avc
, FAL0
);
1820 if(n_poption
& n_PO_D_V
){
1821 if(avc
.avc_map
== NULL
){
1822 msgp
= n_string_push_cp(msgp
, "#assembled variable with value");
1829 {a_AMV_VF_VIRT
, "virtual"},
1830 {a_AMV_VF_RDONLY
, "read-only"},
1831 {a_AMV_VF_NODEL
, "nodelete"},
1832 {a_AMV_VF_NOTEMPTY
, "notempty"},
1833 {a_AMV_VF_NOCNTRLS
, "no-control-chars"},
1834 {a_AMV_VF_NUM
, "number"},
1835 {a_AMV_VF_POSNUM
, "positive-number"},
1836 {a_AMV_VF_IMPORT
, "import-environ-first\0"},
1837 {a_AMV_VF_ENV
, "sync-environ"},
1838 {a_AMV_VF_I3VAL
, "initial-value"},
1839 {a_AMV_VF_DEFVAL
, "default-value"},
1840 {a_AMV_VF_LINKED
, "`environ' link"}
1843 for(tp
= tbase
; PTRCMP(tp
, <, &tbase
[n_NELEM(tbase
)]); ++tp
)
1844 if(isset
? (avc
.avc_var
->av_flags
& tp
->flag
)
1845 : (avc
.avc_map
->avm_flags
& tp
->flag
)){
1846 msgp
= n_string_push_c(msgp
, (i
++ == 0 ? '#' : ','));
1847 msgp
= n_string_push_cp(msgp
, tp
->msg
);
1851 msgp
= n_string_push_cp(msgp
, "\n ");
1854 if(!isset
|| (avc
.avc_var
->av_flags
& a_AMV_VF_RDONLY
)){
1855 msgp
= n_string_push_c(msgp
, *n_ns
);
1857 if(avc
.avc_map
!= NULL
&& (avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
))
1858 msgp
= n_string_push_cp(msgp
, "boolean; ");
1859 msgp
= n_string_push_cp(msgp
, "variable not set: ");
1860 msgp
= n_string_push_cp(msgp
, n_shexp_quote_cp(name
, FAL0
));
1865 n_UNINIT(quote
, NULL
);
1866 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_BOOL
)){
1867 quote
= n_shexp_quote_cp(avc
.avc_var
->av_value
, TRU1
);
1868 if(strcmp(quote
, avc
.avc_var
->av_value
))
1869 msgp
= n_string_push_cp(msgp
, "wysh ");
1870 }else if(n_poption
& n_PO_D_V
)
1871 msgp
= n_string_push_cp(msgp
, "wysh ");
1872 if(avc
.avc_var
->av_flags
& a_AMV_VF_LINKED
)
1873 msgp
= n_string_push_cp(msgp
, "environ ");
1874 msgp
= n_string_push_cp(msgp
, "set ");
1875 msgp
= n_string_push_cp(msgp
, name
);
1876 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_BOOL
)){
1877 msgp
= n_string_push_c(msgp
, '=');
1878 msgp
= n_string_push_cp(msgp
, quote
);
1879 }else if(n_poption
& n_PO_D_V
)
1880 msgp
= n_string_push_cp(msgp
, " #boolean");
1883 msgp
= n_string_push_c(msgp
, '\n');
1884 fputs(n_string_cp(msgp
), fp
);
1886 return (i
> 0 ? 2 : 1);
1890 a_amv_var_c_set(char **ap
, bool_t issetenv
){
1891 char *cp
, *cp2
, *varbuf
, c
;
1897 while((cp
= *ap
++) != NULL
){
1899 cp2
= varbuf
= n_autorec_alloc(strlen(cp
) +1);
1901 for(; (c
= *cp
) != '=' && c
!= '\0'; ++cp
){
1902 if(cntrlchar(c
) || spacechar(c
)){
1903 n_err(_("Variable name with control character ignored: %s\n"),
1912 cp
= n_UNCONST(n_empty
);
1917 n_err(_("Empty variable name ignored\n"));
1920 struct a_amv_var_carrier avc
;
1923 if((isunset
= (varbuf
[0] == 'n' && varbuf
[1] == 'o')))
1924 varbuf
= &varbuf
[2];
1926 a_amv_var_revlookup(&avc
, varbuf
);
1929 errs
+= !a_amv_var_clear(&avc
, issetenv
);
1931 errs
+= !a_amv_var_set(&avc
, cp
, issetenv
);
1946 if((args
= v
)[0] == NULL
){
1947 rv
= (a_amv_mac_show(a_AMV_MF_NONE
) == FAL0
);
1951 if(args
[1] == NULL
|| args
[1][0] != '{' || args
[1][1] != '\0' ||
1953 n_err(_("Synopsis: define: <name> {\n"));
1957 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_NONE
) == FAL0
);
1964 c_undefine(void *v
){
1972 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_NONE
);
1973 while(*++args
!= NULL
);
1983 rv
= a_amv_mac_call(vp
, FAL0
);
1989 c_call_if(void *vp
){
1993 rv
= a_amv_mac_call(vp
, TRU1
);
2000 struct a_amv_mac_call_args
*amcap
;
2001 struct a_amv_mac
*amp
;
2003 int rv
, i
, oqf
, nqf
;
2008 if((args
= v
)[0] == NULL
){
2009 rv
= (a_amv_mac_show(a_AMV_MF_ACCOUNT
) == FAL0
);
2013 if(args
[1] && args
[1][0] == '{' && args
[1][1] == '\0'){
2014 if(args
[2] != NULL
){
2015 n_err(_("Synopsis: account: <name> {\n"));
2018 if(!asccasecmp(args
[0], ACCOUNT_NULL
)){
2019 n_err(_("`account': cannot use reserved name: %s\n"),
2023 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_ACCOUNT
) == FAL0
);
2027 if(n_pstate
& n_PS_HOOK_MASK
){
2028 n_err(_("`account': can't change account from within a hook\n"));
2032 save_mbox_for_possible_quitstuff();
2035 if(asccasecmp(args
[0], ACCOUNT_NULL
) != 0 &&
2036 (amp
= a_amv_mac_lookup(args
[0], NULL
, a_AMV_MF_ACCOUNT
)) == NULL
){
2037 n_err(_("`account': account does not exist: %s\n"), args
[0]);
2041 oqf
= savequitflags();
2043 if(a_amv_acc_curr
!= NULL
){
2044 if(a_amv_acc_curr
->am_lopts
!= NULL
)
2045 a_amv_lopts_unroll(&a_amv_acc_curr
->am_lopts
);
2046 /* For accounts this lingers */
2047 --a_amv_acc_curr
->am_refcnt
;
2048 if(a_amv_acc_curr
->am_flags
& a_AMV_MF_DELETE
)
2049 a_amv_mac_free(a_amv_acc_curr
);
2052 a_amv_acc_curr
= amp
;
2055 assert(amp
->am_lopts
== NULL
);
2056 amcap
= n_lofi_alloc(sizeof *amcap
);
2057 memset(amcap
, 0, sizeof *amcap
);
2058 amcap
->amca_name
= amp
->am_name
;
2059 amcap
->amca_amp
= amp
;
2060 amcap
->amca_unroller
= &
->am_lopts
;
2061 amcap
->amca_lopts_on
= TRU1
;
2062 amcap
->amca_no_xcall
= TRU1
;
2063 ++amp
->am_refcnt
; /* We may not run 0 to avoid being deleted! */
2064 if(!a_amv_mac_exec(amcap
)){
2065 /* XXX account switch incomplete, unroll? */
2066 n_err(_("`account': failed to switch to account: %s\n"), amp
->am_name
);
2071 n_PS_ROOT_BLOCK((amp
!= NULL
? ok_vset(account
, amp
->am_name
)
2072 : ok_vclear(account
)));
2074 if((n_psonce
& n_PSO_STARTED
) && !(n_pstate
& n_PS_HOOK_MASK
)){
2075 nqf
= savequitflags(); /* TODO obsolete (leave -> void -> new box!) */
2076 restorequitflags(oqf
);
2077 if((i
= setfile("%", 0)) < 0)
2079 temporary_folder_hook_check(FAL0
);
2080 if(i
> 0 && !ok_blook(emptystart
))
2082 n_folder_announce(n_ANNOUNCE_CHANGE
);
2083 restorequitflags(nqf
);
2092 c_unaccount(void *v
){
2100 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_ACCOUNT
);
2101 while(*++args
!= NULL
);
2107 c_localopts(void *v
){
2114 if(a_amv_lopts
== NULL
){
2115 n_err(_("Cannot use `localopts' in this context "
2116 "(not in `define' or `account', nor special hook)\n"));
2122 if(n_pstate
& (n_PS_HOOK
| n_PS_COMPOSE_MODE
)){
2123 if(n_poption
& n_PO_D_V
)
2124 n_err(_("Cannot turn off `localopts' for compose-mode hooks\n"));
2128 a_amv_lopts
->as_unroll
= (boolify(*(argv
= v
), UIZ_MAX
, FAL0
) > 0);
2136 struct a_amv_pospar
*appp
;
2143 if((v
= *(char**)v
) == NULL
)
2148 if((n_idec_si16_cp(&sib
, v
, 10, NULL
2149 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2150 ) != n_IDEC_STATE_CONSUMED
|| sib
< 0){
2151 n_err(_("`shift': invalid argument: %s\n"), v
);
2157 /* If in in a macro/xy */
2158 if(a_amv_lopts
!= NULL
){
2159 struct a_amv_mac
const *amp
;
2160 struct a_amv_mac_call_args
*amcap
;
2162 /* Explicitly do allow `vpospar' created things! */
2163 amp
= (amcap
= a_amv_lopts
->as_amcap
)->amca_amp
;
2164 if((amp
== NULL
|| amcap
->amca_ps_hook_mask
||
2165 (amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == a_AMV_MF_ACCOUNT
) &&
2166 amcap
->amca_pospar
.app_not_heap
){
2167 n_err(_("Cannot use `shift' in `account's or hook macros etc.\n"));
2170 appp
= &amcap
->amca_pospar
;
2172 appp
= &a_amv_pospar
;
2174 if(i
> appp
->app_count
){
2175 n_err(_("`shift': cannot shift %hu of %hu parameters\n"),
2176 i
, appp
->app_count
);
2180 appp
->app_count
-= i
;
2189 c_return(void *v
){ /* TODO the exit status should be m_si64! */
2193 if(a_amv_lopts
!= NULL
){
2196 n_go_input_force_eof();
2197 n_pstate_err_no
= n_ERR_NONE
;
2200 if((argv
= v
)[0] != NULL
){
2203 if((n_idec_si32_cp(&i
, argv
[0], 10, NULL
2204 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2205 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2208 n_err(_("`return': return value argument is invalid: %s\n"),
2210 n_pstate_err_no
= n_ERR_INVAL
;
2214 if(argv
[1] != NULL
){
2215 if((n_idec_si32_cp(&i
, argv
[1], 10, NULL
2216 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2217 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2218 n_pstate_err_no
= i
;
2220 n_err(_("`return': error number argument is invalid: %s\n"),
2222 n_pstate_err_no
= n_ERR_INVAL
;
2228 n_err(_("Can only use `return' in a macro\n"));
2229 n_pstate_err_no
= n_ERR_OPNOTSUPP
;
2237 temporary_folder_hook_check(bool_t nmail
){ /* TODO temporary, v15: drop */
2238 struct a_amv_mac_call_args
*amcap
;
2239 struct a_amv_mac
*amp
;
2247 var
= n_autorec_alloc(len
= strlen(mailname
) + sizeof("folder-hook-") -1 +1);
2249 /* First try the fully resolved path */
2250 snprintf(var
, len
, "folder-hook-%s", mailname
);
2251 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2254 /* If we are under *folder*, try the usual +NAME syntax, too */
2255 if(displayname
[0] == '+'){
2258 for(x
= &mailname
[len
]; x
!= mailname
; --x
)
2260 snprintf(var
, len
, "folder-hook-+%s", x
);
2261 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2267 /* Plain *folder-hook* is our last try */
2268 if((cp
= ok_vlook(folder_hook
)) == NULL
)
2272 if((amp
= a_amv_mac_lookup(cp
, NULL
, a_AMV_MF_NONE
)) == NULL
){
2273 n_err(_("Cannot call *folder-hook* for %s: macro does not exist: %s\n"),
2274 n_shexp_quote_cp(displayname
, FAL0
), cp
);
2279 amcap
= n_lofi_alloc(sizeof *amcap
);
2280 memset(amcap
, 0, sizeof *amcap
);
2281 amcap
->amca_name
= cp
;
2282 amcap
->amca_amp
= amp
;
2283 n_pstate
&= ~n_PS_HOOK_MASK
;
2285 amcap
->amca_unroller
= NULL
;
2286 n_pstate
|= n_PS_HOOK_NEWMAIL
;
2288 amcap
->amca_unroller
= &a_amv_folder_hook_lopts
;
2289 n_pstate
|= n_PS_HOOK
;
2291 amcap
->amca_lopts_on
= TRU1
;
2292 amcap
->amca_ps_hook_mask
= TRU1
;
2293 amcap
->amca_no_xcall
= TRU1
;
2294 rv
= a_amv_mac_exec(amcap
);
2295 n_pstate
&= ~n_PS_HOOK_MASK
;
2303 temporary_folder_hook_unroll(void){ /* XXX intermediate hack */
2305 if(a_amv_folder_hook_lopts
!= NULL
){
2306 void *save
= a_amv_lopts
;
2309 a_amv_lopts_unroll(&a_amv_folder_hook_lopts
);
2310 assert(a_amv_folder_hook_lopts
== NULL
);
2317 temporary_compose_mode_hook_call(char const *macname
,
2318 void (*hook_pre
)(void *), void *hook_arg
){
2319 /* TODO compose_mode_hook_call() temporary, v15: generalize; see a_GO_SPLICE
2320 * TODO comment in go.c for the right way of doing things! */
2321 static struct a_amv_lostack
*cmh_losp
;
2322 struct a_amv_mac_call_args
*amcap
;
2323 struct a_amv_mac
*amp
;
2328 if(macname
== (char*)-1){
2329 a_amv_mac__finalize(cmh_losp
);
2331 }else if(macname
!= NULL
&&
2332 (amp
= a_amv_mac_lookup(macname
, NULL
, a_AMV_MF_NONE
)) == NULL
)
2333 n_err(_("Cannot call *on-compose-**: macro does not exist: %s\n"),
2336 amcap
= n_lofi_alloc(sizeof *amcap
);
2337 memset(amcap
, 0, sizeof *amcap
);
2338 amcap
->amca_name
= (macname
!= NULL
) ? macname
2339 : "*on-compose-splice(-shell)?*";
2340 amcap
->amca_amp
= amp
;
2341 amcap
->amca_unroller
= &a_amv_compose_lopts
;
2342 amcap
->amca_hook_pre
= hook_pre
;
2343 amcap
->amca_hook_arg
= hook_arg
;
2344 amcap
->amca_lopts_on
= TRU1
;
2345 amcap
->amca_ps_hook_mask
= TRU1
;
2346 amcap
->amca_no_xcall
= TRU1
;
2347 n_pstate
&= ~n_PS_HOOK_MASK
;
2348 n_pstate
|= n_PS_HOOK
;
2350 a_amv_mac_exec(amcap
);
2352 cmh_losp
= n_lofi_alloc(sizeof *cmh_losp
);
2353 cmh_losp
->as_global_saved
= a_amv_lopts
;
2354 cmh_losp
->as_up
= NULL
;
2355 cmh_losp
->as_lopts
= *(cmh_losp
->as_amcap
= amcap
)->amca_unroller
;
2356 cmh_losp
->as_unroll
= TRU1
;
2357 a_amv_lopts
= cmh_losp
;
2364 temporary_compose_mode_hook_unroll(void){ /* XXX intermediate hack */
2366 if(a_amv_compose_lopts
!= NULL
){
2367 void *save
= a_amv_lopts
;
2370 a_amv_lopts_unroll(&a_amv_compose_lopts
);
2371 assert(a_amv_compose_lopts
== NULL
);
2378 n_var_is_user_writable(char const *name
){
2379 struct a_amv_var_carrier avc
;
2380 struct a_amv_var_map
const *avmp
;
2384 a_amv_var_revlookup(&avc
, name
);
2385 if((avmp
= avc
.avc_map
) == NULL
)
2388 rv
= ((avmp
->avm_flags
& (a_AMV_VF_BOOL
| a_AMV_VF_RDONLY
)) == 0);
2394 n_var_oklook(enum okeys okey
){
2395 struct a_amv_var_carrier avc
;
2397 struct a_amv_var_map
const *avmp
;
2400 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2401 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2402 avc
.avc_hash
= avmp
->avm_hash
;
2403 avc
.avc_okey
= okey
;
2405 if(a_amv_var_lookup(&avc
, FAL0
))
2406 rv
= avc
.avc_var
->av_value
;
2414 n_var_okset(enum okeys okey
, uintptr_t val
){
2415 struct a_amv_var_carrier avc
;
2417 struct a_amv_var_map
const *avmp
;
2420 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2421 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2422 avc
.avc_hash
= avmp
->avm_hash
;
2423 avc
.avc_okey
= okey
;
2425 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
), FAL0
);
2431 n_var_okclear(enum okeys okey
){
2432 struct a_amv_var_carrier avc
;
2434 struct a_amv_var_map
const *avmp
;
2437 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2438 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2439 avc
.avc_hash
= avmp
->avm_hash
;
2440 avc
.avc_okey
= okey
;
2442 rv
= a_amv_var_clear(&avc
, FAL0
);
2448 n_var_vlook(char const *vokey
, bool_t try_getenv
){
2449 struct a_amv_var_carrier avc
;
2453 a_amv_var_revlookup(&avc
, vokey
);
2455 switch((enum a_amv_var_special_category
)avc
.avc_special_cat
){
2456 default: /* silence CC */
2457 case a_AMV_VSC_NONE
:
2458 if(a_amv_var_lookup(&avc
, FAL0
))
2459 rv
= avc
.avc_var
->av_value
;
2460 /* Only check the environment for something that is otherwise unknown */
2461 else if(try_getenv
&& avc
.avc_map
== NULL
)
2466 case a_AMV_VSC_GLOBAL
:
2467 rv
= a_amv_var_vsc_global(&avc
);
2469 case a_AMV_VSC_MULTIPLEX
:
2470 rv
= a_amv_var_vsc_multiplex(&avc
);
2472 case a_AMV_VSC_POSPAR
:
2473 case a_AMV_VSC_POSPAR_ENV
:
2474 rv
= a_amv_var_vsc_pospar(&avc
);
2482 n_var_vexplode(void const **cookie
){
2483 struct a_amv_pospar
*appp
;
2486 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
2488 *cookie
= (appp
->app_count
> 0) ? &appp
->app_dat
[appp
->app_idx
] : NULL
;
2490 return (*cookie
!= NULL
);
2494 n_var_vset(char const *vokey
, uintptr_t val
){
2495 struct a_amv_var_carrier avc
;
2499 a_amv_var_revlookup(&avc
, vokey
);
2501 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
), FAL0
);
2507 n_var_vclear(char const *vokey
){
2508 struct a_amv_var_carrier avc
;
2512 a_amv_var_revlookup(&avc
, vokey
);
2514 ok
= a_amv_var_clear(&avc
, FAL0
);
2521 n_var_xoklook(enum okeys okey
, struct url
const *urlp
,
2522 enum okey_xlook_mode oxm
){
2523 struct a_amv_var_carrier avc
;
2524 struct str
const *us
;
2527 struct a_amv_var_map
const *avmp
;
2530 assert(oxm
& (OXM_PLAIN
| OXM_H_P
| OXM_U_H_P
));
2532 /* For simplicity: allow this case too */
2533 if(!(oxm
& (OXM_H_P
| OXM_U_H_P
))){
2538 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2539 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2540 avc
.avc_okey
= okey
;
2542 us
= (oxm
& OXM_U_H_P
) ? &urlp
->url_u_h_p
: &urlp
->url_h_p
;
2543 nlen
= strlen(avc
.avc_name
);
2544 nbuf
= n_lofi_alloc(nlen
+ 1 + us
->l
+1);
2545 memcpy(nbuf
, avc
.avc_name
, nlen
);
2548 /* One of .url_u_h_p and .url_h_p we test in here */
2549 memcpy(nbuf
+ nlen
, us
->s
, us
->l
+1);
2550 avc
.avc_name
= a_amv_var_canonify(nbuf
);
2551 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
2552 if(a_amv_var_lookup(&avc
, FAL0
))
2557 us
= &urlp
->url_h_p
;
2558 memcpy(nbuf
+ nlen
, us
->s
, us
->l
+1);
2559 avc
.avc_name
= a_amv_var_canonify(nbuf
);
2560 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
2561 if(a_amv_var_lookup(&avc
, FAL0
)){
2563 rv
= avc
.avc_var
->av_value
;
2569 rv
= (oxm
& OXM_PLAIN
) ? n_var_oklook(okey
) : NULL
;
2576 #endif /* HAVE_SOCKETS */
2584 if(*(ap
= v
) == NULL
){
2585 a_amv_var_show_all();
2588 err
= !a_amv_var_c_set(ap
, FAL0
);
2599 for(err
= 0, ap
= v
; *ap
!= NULL
; ++ap
)
2600 err
|= !n_var_vclear(*ap
);
2610 if(*(ap
= v
) == NULL
)
2613 struct n_string msg
, *msgp
= &msg
;
2615 msgp
= n_string_creat(msgp
);
2616 for(; *ap
!= NULL
; ++ap
)
2617 a_amv_var_show(*ap
, n_stdout
, msgp
);
2621 return (v
== NULL
? !STOP
: !OKAY
); /* xxx 1:bad 0:good -- do some */
2626 struct a_amv_var_carrier avc
;
2630 sighandler_type sigint
;
2633 sigint
= safe_signal(SIGINT
, SIG_IGN
);
2635 for(err
= 0, argv
= v
; *argv
!= NULL
; ++argv
){
2636 memset(&avc
, 0, sizeof avc
);
2638 a_amv_var_revlookup(&avc
, *argv
);
2640 if(avc
.avc_map
!= NULL
){
2641 if(avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
){
2642 n_err(_("`varedit': cannot edit boolean variable: %s\n"),
2646 if(avc
.avc_map
->avm_flags
& a_AMV_VF_RDONLY
){
2647 n_err(_("`varedit': cannot edit read-only variable: %s\n"),
2653 a_amv_var_lookup(&avc
, FAL0
);
2655 if((of
= Ftmp(NULL
, "varedit", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
2657 n_perr(_("`varedit': can't create temporary file, bailing out"), 0);
2660 }else if(avc
.avc_var
!= NULL
&& *(val
= avc
.avc_var
->av_value
) != '\0' &&
2661 sizeof *val
!= fwrite(val
, strlen(val
), sizeof *val
, of
)){
2662 n_perr(_("`varedit' failed to write old value to temporary file"), 0);
2669 nf
= run_editor(of
, (off_t
)-1, 'e', FAL0
, NULL
, NULL
, SEND_MBOX
, sigint
);
2678 if(UICMP(64, l
, >=, UIZ_MAX
-42)){
2679 n_err(_("`varedit': not enough memory to store variable: %s\n"),
2684 varres
= val
= n_autorec_alloc(l
+1);
2685 for(; l
> 0 && (c
= getc(nf
)) != EOF
; --l
)
2689 n_err(_("`varedit': I/O while reading new value of: %s\n"),
2695 if(!a_amv_var_set(&avc
, varres
, FAL0
))
2700 n_err(_("`varedit': can't start $EDITOR, bailing out\n"));
2706 safe_signal(SIGINT
, sigint
);
2713 struct a_amv_var_carrier avc
;
2719 if((islnk
= is_asccaseprefix(*(ap
= v
), "link")) ||
2720 is_asccaseprefix(*ap
, "unlink")){
2721 for(err
= 0; *++ap
!= NULL
;){
2722 a_amv_var_revlookup(&avc
, *ap
);
2724 if(a_amv_var_lookup(&avc
, FAL0
) && (islnk
||
2725 (avc
.avc_var
->av_flags
& a_AMV_VF_LINKED
))){
2727 avc
.avc_var
->av_flags
&= ~a_AMV_VF_LINKED
;
2729 }else if(avc
.avc_var
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_LINKED
)){
2730 if(n_poption
& n_PO_D_V
)
2731 n_err(_("`environ': link: already established: %s\n"), *ap
);
2734 avc
.avc_var
->av_flags
|= a_AMV_VF_LINKED
;
2735 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_ENV
))
2736 a_amv_var__putenv(&avc
, avc
.avc_var
);
2738 n_err(_("`environ': unlink: no link established: %s\n"), *ap
);
2741 char const *evp
= getenv(*ap
);
2744 err
|= !a_amv_var_set(&avc
, evp
, TRU1
);
2746 n_err(_("`environ': link: cannot link to non-existent: %s\n"),
2752 }else if(is_asccaseprefix(*ap
, "set"))
2753 err
= !a_amv_var_c_set(++ap
, TRU1
);
2754 else if(is_asccaseprefix(*ap
, "unset")){
2755 for(err
= 0; *++ap
!= NULL
;){
2756 a_amv_var_revlookup(&avc
, *ap
);
2758 if(!a_amv_var_clear(&avc
, TRU1
))
2762 n_err(_("Synopsis: environ: <link|set|unset> <variable>...\n"));
2770 c_vexpr(void *v
){ /* TODO POSIX expr(1) comp. exit status; overly complicat. */
2772 enum n_idec_state ids
;
2774 char op
, varbuf
[64 + 64 / 8 +1];
2775 char const **argv
, *varname
, *varres
, *cp
;
2778 a_SOFTOVERFLOW
= 1u<<1,
2780 a_ISDECIMAL
= 1u<<3, /* Print only decimal result */
2781 a_SATURATED
= 1u<<4,
2783 a_UNSIGNED
= 1u<<6, /* Unsigned right shift (share bit ok) */
2790 varname
= (n_pstate
& n_PS_ARGMOD_VPUT
) ? *argv
++ : NULL
;
2791 n_UNINIT(varres
, n_empty
);
2793 if((cp
= argv
[0])[0] == '\0')
2803 if(argv
[1] == NULL
|| argv
[2] != NULL
)
2806 if(*(cp
= *++argv
) == '\0')
2808 else if(((ids
= n_idec_si64_cp(&lhv
, cp
, 0, NULL
)
2809 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2810 ) != n_IDEC_STATE_CONSUMED
){
2811 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
2813 f
|= a_SOFTOVERFLOW
;
2830 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
2835 if(*(cp
= *++argv
) == '\0')
2837 else if(((ids
= n_idec_si64_cp(&lhv
, cp
, 0, NULL
)
2838 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2839 ) != n_IDEC_STATE_CONSUMED
){
2840 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
2842 f
|= a_SOFTOVERFLOW
;
2846 if(*(cp
= *++argv
) == '\0')
2848 else if(((ids
= n_idec_si64_cp(&rhv
, cp
, 0, NULL
)
2849 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2850 ) != n_IDEC_STATE_CONSUMED
){
2851 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
2853 f
|= a_SOFTOVERFLOW
;
2863 if(rhv
!= SI64_MIN
){
2868 goto jenum_plusminus
;
2874 if(SI64_MAX
- rhv
< lhv
)
2875 goto jenum_plusminus
;
2880 if(rhv
!= SI64_MIN
){
2885 goto jenum_plusminus
;
2891 if(SI64_MIN
+ rhv
> lhv
){
2893 if(!(f
& a_SATURATED
))
2894 goto jenum_overflow
;
2895 f
|= a_SOFTOVERFLOW
;
2896 lhv
= (lhv
< 0 || xop
== '-') ? SI64_MIN
: SI64_MAX
;
2901 /* Will the result be positive? */
2902 if((lhv
< 0) == (rhv
< 0)){
2907 if(rhv
!= 0 && lhv
!= 0 && SI64_MAX
/ rhv
> lhv
){
2908 if(!(f
& a_SATURATED
))
2909 goto jenum_overflow
;
2910 f
|= a_SOFTOVERFLOW
;
2916 if(lhv
!= 0 && SI64_MIN
/ lhv
< rhv
){
2917 if(!(f
& a_SATURATED
))
2918 goto jenum_overflow
;
2919 f
|= a_SOFTOVERFLOW
;
2924 if(rhv
!= 0 && lhv
!= 0 && SI64_MIN
/ rhv
< lhv
){
2925 if(!(f
& a_SATURATED
))
2926 goto jenum_overflow
;
2927 f
|= a_SOFTOVERFLOW
;
2936 if(!(f
& a_SATURATED
))
2938 f
|= a_SOFTOVERFLOW
;
2945 if(!(f
& a_SATURATED
))
2947 f
|= a_SOFTOVERFLOW
;
2965 if(rhv
> 63){ /* xxx 63? */
2966 if(!(f
& a_SATURATED
))
2967 goto jenum_overflow
;
2972 else if(f
& a_UNSIGNED
)
2973 lhv
= (ui64_t
)lhv
>> (ui8_t
)rhv
;
2983 }else if(cp
[2] == '\0' && cp
[1] == '@'){
2987 }else if(cp
[0] == '<'){
2999 }else if(cp
[0] == '>'){
3015 }else if(is_asccaseprefix(cp
, "length")){
3016 f
|= a_ISNUM
| a_ISDECIMAL
;
3017 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3020 i
= strlen(*++argv
);
3021 if(UICMP(64, i
, >, SI64_MAX
))
3022 goto jestr_overflow
;
3024 }else if(is_asccaseprefix(cp
, "hash")){
3025 f
|= a_ISNUM
| a_ISDECIMAL
;
3026 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3029 i
= n_torek_hash(*++argv
);
3031 }else if(is_asccaseprefix(cp
, "find")){
3032 f
|= a_ISNUM
| a_ISDECIMAL
;
3033 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3036 if((cp
= strstr(argv
[1], argv
[2])) == NULL
)
3038 i
= PTR2SIZE(cp
- argv
[1]);
3039 if(UICMP(64, i
, >, SI64_MAX
))
3040 goto jestr_overflow
;
3042 }else if(is_asccaseprefix(cp
, "ifind")){
3043 f
|= a_ISNUM
| a_ISDECIMAL
;
3044 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3047 if((cp
= asccasestr(argv
[1], argv
[2])) == NULL
)
3049 i
= PTR2SIZE(cp
- argv
[1]);
3050 if(UICMP(64, i
, >, SI64_MAX
))
3051 goto jestr_overflow
;
3053 }else if(is_asccaseprefix(cp
, "substring")){
3054 if(argv
[1] == NULL
|| argv
[2] == NULL
)
3056 if(argv
[3] != NULL
&& argv
[4] != NULL
)
3059 i
= strlen(varres
= *++argv
);
3061 if(*(cp
= *++argv
) == '\0')
3063 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3064 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3065 ) != n_IDEC_STATE_CONSUMED
)
3066 goto jestr_numrange
;
3067 if(UICMP(64, i
, >=, lhv
)){
3071 if(n_poption
& n_PO_D_V
)
3072 n_err(_("`vexpr': substring: offset argument too large: %s\n"),
3073 n_shexp_quote_cp(argv
[-1], FAL0
));
3074 f
|= a_SOFTOVERFLOW
;
3077 if(argv
[1] != NULL
){
3078 if(*(cp
= *++argv
) == '\0')
3080 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3081 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3082 ) != n_IDEC_STATE_CONSUMED
)
3083 goto jestr_numrange
;
3084 if(UICMP(64, i
, >=, lhv
)){
3085 if(UICMP(64, i
, !=, lhv
))
3086 varres
= savestrbuf(varres
, (size_t)lhv
);
3088 if(n_poption
& n_PO_D_V
)
3089 n_err(_("`vexpr': substring: length argument too large: %s\n"),
3090 n_shexp_quote_cp(argv
[-2], FAL0
));
3091 f
|= a_SOFTOVERFLOW
;
3094 }else if(is_asccaseprefix(cp
, "random")){
3095 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3098 if((n_idec_si64_cp(&lhv
, argv
[1], 0, NULL
3099 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3100 ) != n_IDEC_STATE_CONSUMED
|| lhv
< 0 || lhv
> PATH_MAX
)
3101 goto jestr_numrange
;
3104 varres
= n_random_create_cp((size_t)lhv
, NULL
);
3105 }else if(is_asccaseprefix(cp
, "file-expand")){
3106 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3109 if((varres
= fexpand(argv
[1], FEXP_NVAR
| FEXP_NOPROTO
)) == NULL
)
3111 }else if(is_asccaseprefix(cp
, "makeprint")){
3112 struct str sin
, sout
;
3114 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3117 /* XXX using strlen for `vexpr makeprint' is wrong for UTF-16 */
3118 sin
.l
= strlen(sin
.s
= n_UNCONST(argv
[1]));
3119 makeprint(&sin
, &sout
);
3120 varres
= savestrbuf(sout
.s
, sout
.l
);
3122 /* TODO `vexpr': (wide) string length, find, etc!! */
3124 }else if(is_asccaseprefix(cp
, "regex")) Jregex
:{
3125 regmatch_t rema
[1 + n_VEXPR_REGEX_MAX
];
3129 f
|= a_ISNUM
| a_ISDECIMAL
;
3130 if(argv
[1] == NULL
|| argv
[2] == NULL
||
3131 (argv
[3] != NULL
&& argv
[4] != NULL
))
3134 reflrv
= REG_EXTENDED
;
3136 reflrv
|= REG_ICASE
;
3137 if((reflrv
= regcomp(&re
, argv
[2], reflrv
))){
3138 n_err(_("`vexpr': invalid regular expression: %s: %s\n"),
3139 n_shexp_quote_cp(argv
[2], FAL0
), n_regex_err_to_doc(&re
, reflrv
));
3141 n_pstate_err_no
= n_ERR_INVAL
;
3144 reflrv
= regexec(&re
, argv
[1], n_NELEM(rema
), rema
, 0);
3146 if(reflrv
== REG_NOMATCH
)
3149 /* Search only? Else replace, which is a bit */
3150 if(argv
[3] == NULL
){
3151 if(UICMP(64, rema
[0].rm_so
, >, SI64_MAX
))
3152 goto jestr_overflow
;
3153 lhv
= (si64_t
)rema
[0].rm_so
;
3155 /* We need to setup some kind of pseudo macro environment for this */
3156 struct a_amv_lostack los
;
3157 struct a_amv_mac_call_args amca
;
3158 char const **reargv
;
3160 memset(&amca
, 0, sizeof amca
);
3161 amca
.amca_name
= savestrbuf(&argv
[1][rema
[0].rm_so
],
3162 rema
[0].rm_eo
- rema
[0].rm_so
);
3163 amca
.amca_amp
= a_AMV_MACKY_MACK
;
3164 for(i
= 1; i
< n_NELEM(rema
) && rema
[i
].rm_so
!= -1; ++i
)
3166 amca
.amca_pospar
.app_count
= (ui32_t
)i
- 1;
3167 amca
.amca_pospar
.app_not_heap
= TRU1
;
3168 amca
.amca_pospar
.app_dat
=
3169 reargv
= n_autorec_alloc(sizeof(char*) * i
);
3170 for(i
= 1; i
< n_NELEM(rema
) && rema
[i
].rm_so
!= -1; ++i
)
3171 *reargv
++ = savestrbuf(&argv
[1][rema
[i
].rm_so
],
3172 rema
[i
].rm_eo
- rema
[i
].rm_so
);
3175 hold_all_sigs(); /* TODO DISLIKE! */
3176 los
.as_global_saved
= a_amv_lopts
;
3177 los
.as_amcap
= &amca
;
3178 los
.as_up
= los
.as_global_saved
;
3179 los
.as_lopts
= NULL
;
3180 los
.as_unroll
= FAL0
;
3185 struct n_string s_b
;
3186 enum n_shexp_state shs
;
3188 templ
.s
= n_UNCONST(argv
[3]);
3190 shs
= n_shexp_parse_token((n_SHEXP_PARSE_LOG
|
3191 n_SHEXP_PARSE_IGNORE_EMPTY
| n_SHEXP_PARSE_QUOTE_AUTO_FIXED
|
3192 n_SHEXP_PARSE_QUOTE_AUTO_DSQ
),
3193 n_string_creat_auto(&s_b
), &templ
, NULL
);
3194 if((shs
& (n_SHEXP_STATE_ERR_MASK
| n_SHEXP_STATE_STOP
)
3195 ) == n_SHEXP_STATE_STOP
){
3196 varres
= n_string_cp(&s_b
);
3197 n_string_drop_ownership(&s_b
);
3202 a_amv_lopts
= los
.as_global_saved
;
3203 rele_all_sigs(); /* TODO DISLIKE! */
3207 f
&= ~(a_ISNUM
| a_ISDECIMAL
);
3209 }else if(is_asccaseprefix(argv
[0], "iregex")){
3212 #endif /* HAVE_REGEX */
3216 n_pstate_err_no
= (f
& a_SOFTOVERFLOW
) ? n_ERR_OVERFLOW
: n_ERR_NONE
;
3219 /* Generate the variable value content for numerics.
3220 * Anticipate in our handling below! (Don't do needless work) */
3222 if((f
& a_ISNUM
) && ((f
& a_ISDECIMAL
) || varname
!= NULL
)){
3223 snprintf(varbuf
, sizeof varbuf
, "%" PRId64
, lhv
);
3227 if(varname
== NULL
){
3228 /* If there was no error and we are printing a numeric result, print some
3229 * more bases for the fun of it */
3230 if((f
& (a_ERR
| a_ISNUM
| a_ISDECIMAL
)) == a_ISNUM
){
3233 for(j
= 1, i
= 0; i
< 64; ++i
){
3234 varbuf
[63 + 64 / 8 -j
- i
] = (lhv
& ((ui64_t
)1 << i
)) ? '1' : '0';
3235 if((i
& 7) == 7 && i
!= 63){
3237 varbuf
[63 + 64 / 8 -j
- i
] = ' ';
3240 varbuf
[64 + 64 / 8 -1] = '\0';
3241 if(fprintf(n_stdout
,
3242 "%s\n0%" PRIo64
" | 0x%" PRIX64
" | %" PRId64
"\n",
3243 varbuf
, lhv
, lhv
, lhv
) < 0){
3244 n_pstate_err_no
= n_err_no
;
3247 }else if(varres
!= NULL
&& fprintf(n_stdout
, "%s\n", varres
) < 0){
3248 n_pstate_err_no
= n_err_no
;
3251 }else if(!n_var_vset(varname
, (uintptr_t)varres
)){
3252 n_pstate_err_no
= n_ERR_NOTSUP
;
3256 return (f
& a_ERR
) ? 1 : 0;
3259 f
= a_ERR
| a_ISNUM
;
3263 n_err(_("`vexpr': invalid subcommand: %s\n"),
3264 n_shexp_quote_cp(*argv
, FAL0
));
3265 n_pstate_err_no
= n_ERR_INVAL
;
3268 n_err(_("Synopsis: vexpr: <operator> <:argument:>\n"));
3269 n_pstate_err_no
= n_ERR_INVAL
;
3273 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3274 n_shexp_quote_cp(*argv
, FAL0
));
3275 n_pstate_err_no
= n_ERR_RANGE
;
3278 n_err(_("`vexpr': expression overflows datatype: %" PRId64
" %c %" PRId64
3279 "\n"), lhv
, op
, rhv
);
3280 n_pstate_err_no
= n_ERR_OVERFLOW
;
3284 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3285 n_shexp_quote_cp(*argv
, FAL0
));
3286 n_pstate_err_no
= n_ERR_RANGE
;
3289 n_err(_("`vexpr': string length or offset overflows datatype\n"));
3290 n_pstate_err_no
= n_ERR_OVERFLOW
;
3293 n_pstate_err_no
= n_ERR_NODATA
;
3304 struct n_cmd_arg
*cap
;
3306 struct a_amv_pospar
*appp
;
3315 struct n_cmd_arg_ctx
*cacp
;
3318 n_pstate_err_no
= n_ERR_NONE
;
3319 n_UNINIT(varres
, n_empty
);
3321 cap
= cacp
->cac_arg
;
3323 if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "set"))
3325 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "clear"))
3327 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "quote"))
3330 n_err(_("`vpospar': invalid subcommand: %s\n"),
3331 n_shexp_quote_cp(cap
->ca_arg
.ca_str
.s
, FAL0
));
3332 n_pstate_err_no
= n_ERR_INVAL
;
3338 if((f
& (a_CLEAR
| a_QUOTE
)) && cap
->ca_next
!= NULL
){
3339 n_err(_("`vpospar': `%s': takes no argument\n"), cap
->ca_arg
.ca_str
.s
);
3340 n_pstate_err_no
= n_ERR_INVAL
;
3347 /* If in a macro, we need to overwrite the local instead of global argv */
3348 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
3351 if(f
& (a_SET
| a_CLEAR
)){
3352 if(cacp
->cac_vput
!= NULL
)
3353 n_err(_("`vpospar': `vput' only supported for `quote' subcommand\n"));
3354 if(!appp
->app_not_heap
&& appp
->app_maxcount
> 0){
3355 for(i
= appp
->app_maxcount
; i
-- != 0;)
3356 n_free(n_UNCONST(appp
->app_dat
[i
]));
3357 n_free(appp
->app_dat
);
3359 memset(appp
, 0, sizeof *appp
);
3362 if((i
= cacp
->cac_no
) > a_AMV_POSPAR_MAX
){
3363 n_err(_("`vpospar': overflow: %" PRIuZ
" arguments!\n"), i
);
3364 n_pstate_err_no
= n_ERR_OVERFLOW
;
3369 memset(appp
, 0, sizeof *appp
);
3371 appp
->app_maxcount
= appp
->app_count
= (ui16_t
)i
;
3372 /* XXX Optimize: store it all in one chunk! */
3374 i
*= sizeof *appp
->app_dat
;
3375 appp
->app_dat
= n_alloc(i
);
3377 for(i
= 0; cap
!= NULL
; ++i
, cap
= cap
->ca_next
){
3378 appp
->app_dat
[i
] = n_alloc(cap
->ca_arg
.ca_str
.l
+1);
3379 memcpy(n_UNCONST(appp
->app_dat
[i
]), cap
->ca_arg
.ca_str
.s
,
3380 cap
->ca_arg
.ca_str
.l
+1);
3383 appp
->app_dat
[i
] = NULL
;
3387 if(appp
->app_count
== 0)
3391 struct n_string s
, *sp
;
3394 sp
= n_string_creat_auto(&s
);
3396 sep1
= *ok_vlook(ifs
);
3397 sep2
= *ok_vlook(ifs_ws
);
3403 for(i
= 0; i
< appp
->app_count
; ++i
){
3405 if(!n_string_can_swallow(sp
, 2))
3407 sp
= n_string_push_c(sp
, sep1
);
3409 sp
= n_string_push_c(sp
, sep2
);
3411 in
.l
= strlen(in
.s
= n_UNCONST(appp
->app_dat
[i
+ appp
->app_idx
]));
3413 if(!n_string_can_swallow(sp
, in
.l
)){
3415 n_err(_("`vpospar': overflow: string too long!\n"));
3416 n_pstate_err_no
= n_ERR_OVERFLOW
;
3420 sp
= n_shexp_quote(sp
, &in
, TRU1
);
3423 varres
= n_string_cp(sp
);
3426 if(cacp
->cac_vput
== NULL
){
3427 if(fprintf(n_stdout
, "%s\n", varres
) < 0){
3428 n_pstate_err_no
= n_err_no
;
3431 }else if(!n_var_vset(cacp
->cac_vput
, (uintptr_t)varres
)){
3432 n_pstate_err_no
= n_ERR_NOTSUP
;
3438 return (f
& a_ERR
) ? 1 : 0;