File: | os/config.c |
Location: | line 537, column 8 |
Description: | Dereference of null pointer |
1 | /* | |||
2 | Copyright 1987, 1998 The Open Group | |||
3 | ||||
4 | Permission to use, copy, modify, distribute, and sell this software and its | |||
5 | documentation for any purpose is hereby granted without fee, provided that | |||
6 | the above copyright notice appear in all copies and that both that | |||
7 | copyright notice and this permission notice appear in supporting | |||
8 | documentation. | |||
9 | ||||
10 | The above copyright notice and this permission notice shall be included in | |||
11 | all copies or substantial portions of the Software. | |||
12 | ||||
13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
14 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
15 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |||
16 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |||
17 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |||
18 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||
19 | ||||
20 | Except as contained in this notice, the name of The Open Group shall not be | |||
21 | used in advertising or otherwise to promote the sale, use or other dealings | |||
22 | in this Software without prior written authorization from The Open Group. | |||
23 | * Copyright 1990, 1991 Network Computing Devices; | |||
24 | * Portions Copyright 1987 by Digital Equipment Corporation | |||
25 | * | |||
26 | * Permission to use, copy, modify, distribute, and sell this software and its | |||
27 | * documentation for any purpose is hereby granted without fee, provided that | |||
28 | * the above copyright notice appear in all copies and that both that | |||
29 | * copyright notice and this permission notice appear in supporting | |||
30 | * documentation, and that the names of Network Computing Devices, | |||
31 | * or Digital not be used in advertising or | |||
32 | * publicity pertaining to distribution of the software without specific, | |||
33 | * written prior permission. Network Computing Devices, or Digital | |||
34 | * make no representations about the | |||
35 | * suitability of this software for any purpose. It is provided "as is" | |||
36 | * without express or implied warranty. | |||
37 | * | |||
38 | * NETWORK COMPUTING DEVICES, AND DIGITAL DISCLAIM ALL WARRANTIES WITH | |||
39 | * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY | |||
40 | * AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES, OR DIGITAL BE | |||
41 | * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |||
42 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |||
43 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |||
44 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |||
45 | * | |||
46 | */ | |||
47 | ||||
48 | #include "config.h" | |||
49 | ||||
50 | #include <stdio.h> | |||
51 | #include <stdlib.h> | |||
52 | #include <ctype.h> | |||
53 | #include <X11/Xtrans/Xtrans.h> | |||
54 | #include <X11/Xos.h> | |||
55 | #include "misc.h" | |||
56 | #include "configstr.h" | |||
57 | #include "osdep.h" | |||
58 | #include "globals.h" | |||
59 | #include "access.h" | |||
60 | #include "difsutils.h" | |||
61 | #include <X11/fonts/fontutil.h> | |||
62 | #include "difs.h" | |||
63 | #include <X11/fonts/fontconf.h> | |||
64 | ||||
65 | /* libXfont/src/bitmap/snfstr.h */ | |||
66 | extern void SnfSetFormat(int bit, int byte, int glyph, int scan); | |||
67 | ||||
68 | static const char * const default_config_files[] = { | |||
69 | #ifdef DEFAULT_CONFIG_FILE"/Users/jeremy/src/freedesktop/jhbuild/build/etc/X11/fs/config" | |||
70 | DEFAULT_CONFIG_FILE"/Users/jeremy/src/freedesktop/jhbuild/build/etc/X11/fs/config", | |||
71 | #else | |||
72 | "/usr/lib/X11/fs/config", | |||
73 | #endif | |||
74 | NULL((void*)0) | |||
75 | }; | |||
76 | ||||
77 | static char *font_catalogue = NULL((void*)0); | |||
78 | ||||
79 | static char *config_set_int(ConfigOptionPtr parm, char *val); | |||
80 | static char *config_set_bool(ConfigOptionPtr parm, char *val); | |||
81 | static char *config_set_catalogue(ConfigOptionPtr parm, char *val); | |||
82 | static char *config_set_glyph_caching_mode(ConfigOptionPtr parm, char *val); | |||
83 | static char *config_set_list(ConfigOptionPtr parm, char *val); | |||
84 | static char *config_set_file(ConfigOptionPtr parm, char *val); | |||
85 | static char *config_set_resolutions(ConfigOptionPtr parm, char *val); | |||
86 | static char *config_set_ignored_transports(ConfigOptionPtr parm, char *val); | |||
87 | static char *config_set_snf_format(ConfigOptionPtr parm, char *val); | |||
88 | ||||
89 | /* these need to be in lower case and alphabetical order so a | |||
90 | * binary search lookup can be used | |||
91 | */ | |||
92 | static ConfigOptionRec config_options[] = { | |||
93 | {"alternate-servers", config_set_list}, | |||
94 | {"catalogue", config_set_catalogue}, | |||
95 | {"client-limit", config_set_int}, | |||
96 | {"clone-self", config_set_bool}, | |||
97 | {"default-point-size", config_set_int}, | |||
98 | {"default-resolutions", config_set_resolutions}, | |||
99 | {"deferglyphs", config_set_glyph_caching_mode}, | |||
100 | {"error-file", config_set_file}, | |||
101 | {"no-listen", config_set_ignored_transports}, | |||
102 | {"port", config_set_int}, | |||
103 | {"server-number", config_set_int}, | |||
104 | {"snf-format", config_set_snf_format}, | |||
105 | {"trusted-clients", config_set_list}, | |||
106 | {"use-syslog", config_set_bool}, | |||
107 | {NULL((void*)0), NULL((void*)0)}, | |||
108 | }; | |||
109 | ||||
110 | /* max size in bytes of config file */ | |||
111 | #define CONFIG_MAX_FILESIZE32767 32767 | |||
112 | ||||
113 | #define CONFIG_ERR_MEMORY"CONFIG: insufficient memory to load configuration file \"%s\"\n" \ | |||
114 | "CONFIG: insufficient memory to load configuration file \"%s\"\n" | |||
115 | #define CONFIG_ERR_OPEN"CONFIG: can't open configuration file \"%s\"\n" "CONFIG: can't open configuration file \"%s\"\n" | |||
116 | #define CONFIG_ERR_READ"CONFIG: error reading configuration file \"%s\"\n" "CONFIG: error reading configuration file \"%s\"\n" | |||
117 | #define CONFIG_ERR_VALUE"CONFIG: bad value \"%s\" for parameter \"%s\"\n" "CONFIG: bad value \"%s\" for parameter \"%s\"\n" | |||
118 | #define CONFIG_ERR_UNKNOWN"CONFIG: unknown parameter \"%s\"\n" "CONFIG: unknown parameter \"%s\"\n" | |||
119 | #define CONFIG_ERR_NOEQUALS"CONFIG: missing '=' after parameter \"%s\"\n" "CONFIG: missing '=' after parameter \"%s\"\n" | |||
120 | #define CONFIG_ERR_RANGE"CONFIG: value out of range for parameter \"%s\"\n" "CONFIG: value out of range for parameter \"%s\"\n" | |||
121 | #define CONFIG_ERR_SYNTAX"CONFIG: syntax error near parameter \"%s\"\n" "CONFIG: syntax error near parameter \"%s\"\n" | |||
122 | #define CONFIG_ERR_NOVALUE"CONFIG: missing value for parameter \"%s\"\n" "CONFIG: missing value for parameter \"%s\"\n" | |||
123 | #define CONFIG_ERR_EXTRAVALUE"CONFIG: extra value for parameter \"%s\"\n" "CONFIG: extra value for parameter \"%s\"\n" | |||
124 | ||||
125 | #define iseol(c)((c) == '\n' || (c) == '\r' || (c) == '\f') ((c) == '\n' || (c) == '\r' || (c) == '\f') | |||
126 | #define skip_whitespace(c)while(isspace(*(c)) || *(c) == ',') (c)++; while(isspace(*(c)) || *(c) == ',') (c)++; | |||
127 | #define skip_val(c)while(!isspace(*(c)) && *(c) != ',' && *(c) != '\0') (c) ++; while(!isspace(*(c)) && *(c) != ',' && *(c) != '\0')\ | |||
128 | (c) ++; | |||
129 | #define skip_list_val(c)while(!isspace(*(c)) && *(c) != '\0') (c) ++; while(!isspace(*(c)) && *(c) != '\0')\ | |||
130 | (c) ++; | |||
131 | #define blank_comment(c)while (!((*(c)) == '\n' || (*(c)) == '\r' || (*(c)) == '\f') && *(c) != '\0') *(c)++= ' '; while (!iseol(*(c))((*(c)) == '\n' || (*(c)) == '\r' || (*(c)) == '\f') && *(c) != '\0') \ | |||
132 | *(c)++= ' '; | |||
133 | ||||
134 | static char * | |||
135 | next_assign(char *c) | |||
136 | { | |||
137 | int nesting = 0; | |||
138 | ||||
139 | while (*c != '\0') { | |||
140 | if (*c == '(') | |||
141 | nesting++; | |||
142 | else if (*c == ')') | |||
143 | nesting--; | |||
144 | else if (*c == '=' && nesting == 0) | |||
145 | return c; | |||
146 | c++; | |||
147 | } | |||
148 | return (char *) 0; | |||
149 | } | |||
150 | ||||
151 | static void | |||
152 | strip_comments(char *data) | |||
153 | { | |||
154 | char *c; | |||
155 | ||||
156 | c = data; | |||
157 | while ((c = strchr(c, '#')) != NULL((void*)0)) { | |||
158 | if (c == data || *(c - 1) != '\\') { | |||
159 | blank_comment(c)while (!((*(c)) == '\n' || (*(c)) == '\r' || (*(c)) == '\f') && *(c) != '\0') *(c)++= ' ';; | |||
160 | } else { | |||
161 | c++; | |||
162 | } | |||
163 | } | |||
164 | } | |||
165 | ||||
166 | static ConfigOptionPtr | |||
167 | match_param_name(char *name) | |||
168 | { | |||
169 | int pos, | |||
170 | rc, | |||
171 | low, | |||
172 | high; | |||
173 | ||||
174 | low = 0; | |||
175 | high = sizeof(config_options) / sizeof(ConfigOptionRec) - 2; | |||
176 | pos = high >> 1; | |||
177 | ||||
178 | while (low <= high) { | |||
179 | rc = strcmp(name, config_options[pos].parm_name); | |||
180 | if (rc == 0) { | |||
181 | return &config_options[pos]; | |||
182 | } else if (rc < 0) { | |||
183 | high = pos - 1; | |||
184 | } else { | |||
185 | low = pos + 1; | |||
186 | } | |||
187 | pos = ((high + low) >> 1); | |||
188 | } | |||
189 | return NULL((void*)0); | |||
190 | } | |||
191 | ||||
192 | static int | |||
193 | parse_config(char *data) | |||
194 | { | |||
195 | char *c, | |||
196 | *val = NULL((void*)0), | |||
197 | *next_eq, | |||
198 | *consumed, | |||
199 | *p; | |||
200 | char param_name[64]; | |||
201 | Bool equals_missing; | |||
202 | ConfigOptionPtr param; | |||
203 | ||||
204 | c = data; | |||
205 | skip_whitespace(c)while(isspace(*(c)) || *(c) == ',') (c)++;; | |||
206 | ||||
207 | while (*c != '\0') { | |||
208 | equals_missing = FALSE0; | |||
209 | ||||
210 | /* get parm name in lower case */ | |||
211 | p = c; | |||
212 | while (isalnum(*c) || *c == '-') { | |||
213 | if (isupper(*c)) | |||
214 | *c = tolower(*c); | |||
215 | c++; | |||
216 | } | |||
217 | memmove( param_name, p, min(sizeof(param_name), (int) (c - p)))__builtin___memmove_chk (param_name, p, (((sizeof(param_name) ) < ((int) (c - p))) ? (sizeof(param_name)) : ((int) (c - p ))), __builtin_object_size (param_name, 0)); | |||
218 | param_name[(int) (c - p)] = '\0'; | |||
219 | ||||
220 | /* check for junk */ | |||
221 | if (!isspace(*c) && *c != '=') { | |||
222 | ErrorF(CONFIG_ERR_SYNTAX"CONFIG: syntax error near parameter \"%s\"\n", param_name); | |||
223 | /* eat garbage */ | |||
224 | while (!isspace(*c) && *c != '=' && *c != '\0') | |||
225 | c++; | |||
226 | } | |||
227 | skip_whitespace(c)while(isspace(*(c)) || *(c) == ',') (c)++;; | |||
228 | if (*c != '=') { | |||
229 | ErrorF(CONFIG_ERR_NOEQUALS"CONFIG: missing '=' after parameter \"%s\"\n", param_name); | |||
230 | equals_missing = TRUE1; | |||
231 | } else { | |||
232 | c++; | |||
233 | } | |||
234 | ||||
235 | skip_whitespace(c)while(isspace(*(c)) || *(c) == ',') (c)++;; | |||
236 | ||||
237 | /* find next assignment to guess where the value ends */ | |||
238 | if ((next_eq = next_assign(c)) != NULL((void*)0)) { | |||
239 | /* back up over whitespace */ | |||
240 | for (val = next_eq - 1; val >= c && | |||
241 | (isspace(*val) || *val == ','); | |||
242 | val--); | |||
243 | ||||
244 | /* back over parm name */ | |||
245 | for (; val >= c && (isalnum(*val) || *val == '-'); val--); | |||
246 | ||||
247 | if (val <= c) { | |||
248 | /* no value, ignore */ | |||
249 | ErrorF(CONFIG_ERR_NOVALUE"CONFIG: missing value for parameter \"%s\"\n", param_name); | |||
250 | continue; | |||
251 | } | |||
252 | *val = '\0'; | |||
253 | } else if (*c == '\0') { | |||
254 | /* no value, ignore */ | |||
255 | ErrorF(CONFIG_ERR_NOVALUE"CONFIG: missing value for parameter \"%s\"\n", param_name); | |||
256 | continue; | |||
257 | } | |||
258 | /* match parm name */ | |||
259 | if (equals_missing) { | |||
260 | equals_missing = FALSE0; | |||
261 | } else if ((param = match_param_name(param_name)) == NULL((void*)0)) { | |||
262 | ErrorF(CONFIG_ERR_UNKNOWN"CONFIG: unknown parameter \"%s\"\n", param_name); | |||
263 | } else { | |||
264 | consumed = (param->set_func) (param, c); | |||
265 | ||||
266 | skip_whitespace(consumed)while(isspace(*(consumed)) || *(consumed) == ',') (consumed)++ ;; | |||
267 | if (*consumed != '\0') { | |||
268 | ErrorF(CONFIG_ERR_EXTRAVALUE"CONFIG: extra value for parameter \"%s\"\n", | |||
269 | param_name); | |||
270 | } | |||
271 | } | |||
272 | ||||
273 | if (next_eq != NULL((void*)0)) | |||
274 | c = val + 1; | |||
275 | else /* last setting */ | |||
276 | break; | |||
277 | } | |||
278 | return FSSuccess-1; | |||
279 | } | |||
280 | ||||
281 | /* | |||
282 | * handles anything that should be set once the file is parsed | |||
283 | */ | |||
284 | void | |||
285 | SetConfigValues(void) | |||
286 | { | |||
287 | int err, | |||
288 | num; | |||
289 | ||||
290 | if (font_catalogue == NULL((void*)0)) { | |||
291 | FatalError("font catalogue is missing/empty\n"); | |||
292 | } | |||
293 | ||||
294 | err = SetFontCatalogue(font_catalogue, &num); | |||
295 | if (err != FSSuccess-1) { | |||
296 | FatalError("element #%d (starting at 0) of font path is bad or has a bad font:\n\"%s\"\n", | |||
297 | num, font_catalogue); | |||
298 | } | |||
299 | InitErrors(); | |||
300 | fsfree((char *) font_catalogue)FSfree((pointer)(char *) font_catalogue); | |||
301 | font_catalogue = NULL((void*)0); | |||
302 | } | |||
303 | ||||
304 | ||||
305 | /* If argument is NULL, uses first file found from default_config_files */ | |||
306 | int | |||
307 | ReadConfigFile(const char *filename) | |||
308 | { | |||
309 | FILE *fp = NULL((void*)0); | |||
310 | int ret; | |||
311 | int len; | |||
312 | int i; | |||
313 | char *data; | |||
314 | ||||
315 | data = (char *) fsalloc(CONFIG_MAX_FILESIZE)FSalloc((unsigned long)32767); | |||
316 | if (!data) { | |||
317 | ErrorF(CONFIG_ERR_MEMORY"CONFIG: insufficient memory to load configuration file \"%s\"\n", filename); | |||
318 | return FSBadAlloc9; | |||
319 | } | |||
320 | if (filename != NULL((void*)0)) { | |||
321 | fp = fopen(filename, "r"); | |||
322 | if (fp == NULL((void*)0)) { | |||
323 | ErrorF(CONFIG_ERR_OPEN"CONFIG: can't open configuration file \"%s\"\n", filename); | |||
324 | } | |||
325 | } else { | |||
326 | for (i = 0; default_config_files[i] != NULL((void*)0); i++) { | |||
327 | filename = default_config_files[i]; | |||
328 | if ((fp = fopen(filename, "r")) != NULL((void*)0)) { | |||
329 | if (configfilename == NULL((void*)0)) { | |||
330 | configfilename = strdup(filename); /* save for clones */ | |||
331 | } | |||
332 | break; | |||
333 | } | |||
334 | } | |||
335 | if (fp == NULL((void*)0)) { | |||
336 | for (i = 0; default_config_files[i] != NULL((void*)0); i++) { | |||
337 | ErrorF(CONFIG_ERR_OPEN"CONFIG: can't open configuration file \"%s\"\n", default_config_files[i]); | |||
338 | } | |||
339 | } | |||
340 | } | |||
341 | if (fp == NULL((void*)0)) { | |||
342 | fsfree(data)FSfree((pointer)data); | |||
343 | return FSBadName7; | |||
344 | } | |||
345 | ret = fread(data, sizeof(char), CONFIG_MAX_FILESIZE32767, fp); | |||
346 | if (ret <= 0) { | |||
347 | fsfree(data)FSfree((pointer)data); | |||
348 | (void) fclose(fp); | |||
349 | ErrorF(CONFIG_ERR_READ"CONFIG: error reading configuration file \"%s\"\n", filename); | |||
350 | return FSBadName7; | |||
351 | } | |||
352 | len = ftell(fp); | |||
353 | len = min(len, CONFIG_MAX_FILESIZE)(((len) < (32767)) ? (len) : (32767)); | |||
354 | data[len] = '\0'; /* NULL terminate the data */ | |||
355 | ||||
356 | (void) fclose(fp); | |||
357 | ||||
358 | strip_comments(data); | |||
359 | ret = parse_config(data); | |||
360 | ||||
361 | fsfree(data)FSfree((pointer)data); | |||
362 | ||||
363 | return ret; | |||
364 | } | |||
365 | ||||
366 | struct nameVal { | |||
367 | const char *name; | |||
368 | int val; | |||
369 | }; | |||
370 | ||||
371 | static char * | |||
372 | config_parse_nameVal ( | |||
373 | ConfigOptionPtr parm, | |||
374 | char *c, | |||
375 | int *ret, | |||
376 | int *pval, | |||
377 | struct nameVal *name_val) | |||
378 | { | |||
379 | char *start, | |||
380 | t; | |||
381 | int i, | |||
382 | len; | |||
383 | ||||
384 | start = c; | |||
385 | skip_val(c)while(!isspace(*(c)) && *(c) != ',' && *(c) != '\0') (c) ++;; | |||
386 | t = *c; | |||
387 | *c = '\0'; | |||
388 | len = c - start; | |||
389 | ||||
390 | for (i = 0; name_val[i].name; i++) { | |||
391 | if (!strncmpnocase(start, name_val[i].name, len)) { | |||
392 | *pval = name_val[i].val; | |||
393 | *ret = 0; | |||
394 | *c = t; | |||
395 | return c; | |||
396 | } | |||
397 | } | |||
398 | ErrorF(CONFIG_ERR_VALUE"CONFIG: bad value \"%s\" for parameter \"%s\"\n", start, parm->parm_name); | |||
399 | *c = t; | |||
400 | *ret = -1; | |||
401 | return c; | |||
402 | } | |||
403 | ||||
404 | static char * | |||
405 | config_parse_bool ( | |||
406 | ConfigOptionPtr parm, | |||
407 | char *c, | |||
408 | int *ret, | |||
409 | Bool *pval) | |||
410 | { | |||
411 | static struct nameVal bool_val[] = { | |||
412 | { "yes", TRUE1 }, | |||
413 | { "on", TRUE1 }, | |||
414 | { "1", TRUE1 }, | |||
415 | { "true", TRUE1 }, | |||
416 | { "no", FALSE0 }, | |||
417 | { "off", FALSE0 }, | |||
418 | { "0", FALSE0 }, | |||
419 | { "false", FALSE0 }, | |||
420 | { (char *) 0, 0 }, | |||
421 | }; | |||
422 | return config_parse_nameVal (parm, c, ret, pval, bool_val); | |||
423 | } | |||
424 | ||||
425 | static char * | |||
426 | config_parse_int( | |||
427 | ConfigOptionPtr parm, | |||
428 | char *c, | |||
429 | int *ret, | |||
430 | int *pval) | |||
431 | { | |||
432 | char *start, | |||
433 | t; | |||
434 | ||||
435 | start = c; | |||
436 | while (*c != '\0' && !isspace(*c) && *c != ',') { | |||
437 | if (!isdigit(*c)) { /* error */ | |||
438 | skip_val(c)while(!isspace(*(c)) && *(c) != ',' && *(c) != '\0') (c) ++;; | |||
439 | t = *c; | |||
440 | *c = '\0'; | |||
441 | ErrorF(CONFIG_ERR_VALUE"CONFIG: bad value \"%s\" for parameter \"%s\"\n", start, parm->parm_name); | |||
442 | *ret = -1; | |||
443 | *c = t; | |||
444 | return c; | |||
445 | } | |||
446 | c++; | |||
447 | } | |||
448 | t = *c; | |||
449 | *c = '\0'; | |||
450 | *ret = 0; | |||
451 | *pval = atoi(start); | |||
452 | *c = t; | |||
453 | return c; | |||
454 | } | |||
455 | ||||
456 | ||||
457 | /* config option sets */ | |||
458 | /* these have to know how to do the real work and tweak the proper things */ | |||
459 | static char * | |||
460 | config_set_int( | |||
461 | ConfigOptionPtr parm, | |||
462 | char *val) | |||
463 | { | |||
464 | int ival, | |||
465 | ret; | |||
466 | ||||
467 | val = config_parse_int(parm, val, &ret, &ival); | |||
468 | if (ret == -1) | |||
469 | return val; | |||
470 | ||||
471 | /* now do individual attribute checks */ | |||
472 | if (!strcmp(parm->parm_name, "port") && !portFromCmdline) { | |||
473 | ListenPort = ival; | |||
474 | } else if (!strcmp(parm->parm_name, "client-limit")) { | |||
475 | AccessSetConnectionLimit(ival); | |||
476 | } else if (!strcmp(parm->parm_name, "default-point-size")) { | |||
477 | SetDefaultPointSize(ival); | |||
478 | } | |||
479 | return val; | |||
480 | } | |||
481 | ||||
482 | static char * | |||
483 | config_set_bool( | |||
484 | ConfigOptionPtr parm, | |||
485 | char *val) | |||
486 | { | |||
487 | int | |||
488 | ret; | |||
489 | Bool bval; | |||
490 | ||||
491 | val = config_parse_bool(parm, val, &ret, &bval); | |||
492 | if (ret == -1) | |||
493 | return val; | |||
494 | ||||
495 | /* now do individual attribute checks */ | |||
496 | if (!strcmp(parm->parm_name, "use-syslog")) { | |||
497 | UseSyslog = bval; | |||
498 | } else if (!strcmp(parm->parm_name, "clone-self")) { | |||
499 | CloneSelf = bval; | |||
500 | } | |||
501 | return val; | |||
502 | } | |||
503 | ||||
504 | static char * | |||
505 | config_set_file( | |||
506 | ConfigOptionPtr parm, | |||
507 | char *val) | |||
508 | { | |||
509 | char *start = val, | |||
510 | t; | |||
511 | ||||
512 | skip_val(val)while(!isspace(*(val)) && *(val) != ',' && *( val) != '\0') (val) ++;; | |||
513 | t = *val; | |||
514 | *val = '\0'; | |||
515 | if (!strcmp(parm->parm_name, "error-file")) { | |||
516 | memmove( ErrorFile, start, val - start + 1)__builtin___memmove_chk (ErrorFile, start, val - start + 1, __builtin_object_size (ErrorFile, 0)); | |||
517 | } | |||
518 | *val = t; | |||
519 | return val; | |||
520 | } | |||
521 | ||||
522 | static char * | |||
523 | config_set_catalogue( | |||
524 | ConfigOptionPtr parm, | |||
525 | char *val) | |||
526 | { | |||
527 | char *b; | |||
528 | ||||
529 | if (!strcmp(parm->parm_name, "catalogue")) { | |||
| ||||
530 | /* stash it for later */ | |||
531 | fsfree((char *) font_catalogue)FSfree((pointer)(char *) font_catalogue); /* dump any previous one */ | |||
532 | b = font_catalogue = (char *) fsalloc(strlen(val) + 1)FSalloc((unsigned long)strlen(val) + 1); | |||
533 | if (!font_catalogue) | |||
534 | FatalError("insufficent memory for font catalogue\n"); | |||
535 | while (*val) { /* remove all the gunk */ | |||
536 | if (!isspace(*val)) { | |||
537 | *b++ = *val; | |||
| ||||
538 | } | |||
539 | val++; | |||
540 | } | |||
541 | *b = '\0'; | |||
542 | } | |||
543 | return val; | |||
544 | } | |||
545 | ||||
546 | static char * | |||
547 | config_set_list( | |||
548 | ConfigOptionPtr parm, | |||
549 | char *val) | |||
550 | { | |||
551 | char *start = val, | |||
552 | t; | |||
553 | ||||
554 | skip_list_val(val)while(!isspace(*(val)) && *(val) != '\0') (val) ++;; | |||
555 | t = *val; | |||
556 | *val = '\0'; | |||
557 | if (!strcmp(parm->parm_name, "alternate-servers")) { | |||
558 | SetAlternateServers(start); | |||
559 | } | |||
560 | *val = t; | |||
561 | return val; | |||
562 | } | |||
563 | ||||
564 | static char * | |||
565 | config_set_ignored_transports( | |||
566 | ConfigOptionPtr parm, | |||
567 | char *val) | |||
568 | { | |||
569 | char *start = val, | |||
570 | t; | |||
571 | ||||
572 | skip_list_val(val)while(!isspace(*(val)) && *(val) != '\0') (val) ++;; | |||
573 | t = *val; | |||
574 | *val = '\0'; | |||
575 | _FontTransNoListen(start); | |||
576 | *val = t; | |||
577 | return val; | |||
578 | } | |||
579 | ||||
580 | static char * | |||
581 | config_set_glyph_caching_mode( | |||
582 | ConfigOptionPtr parm, | |||
583 | char *val) | |||
584 | { | |||
585 | char *start = val, | |||
586 | t; | |||
587 | ||||
588 | skip_list_val(val)while(!isspace(*(val)) && *(val) != '\0') (val) ++;; | |||
589 | t = *val; | |||
590 | *val = '\0'; | |||
591 | if (!strcmp(parm->parm_name, "deferglyphs")) { | |||
592 | ParseGlyphCachingMode(start); | |||
593 | } | |||
594 | *val = t; | |||
595 | return val; | |||
596 | } | |||
597 | ||||
598 | static char * | |||
599 | config_set_resolutions( | |||
600 | ConfigOptionPtr parm, | |||
601 | char *val) | |||
602 | { | |||
603 | char *start = val, | |||
604 | t; | |||
605 | int err; | |||
606 | ||||
607 | skip_list_val(val)while(!isspace(*(val)) && *(val) != '\0') (val) ++;; | |||
608 | t = *val; | |||
609 | *val = '\0'; | |||
610 | if (!strcmp(parm->parm_name, "default-resolutions")) { | |||
611 | err = SetDefaultResolutions(start); | |||
612 | if (err != FSSuccess-1) { | |||
613 | FatalError("bogus resolution list \"%s\"\n", start); | |||
614 | } | |||
615 | } | |||
616 | *val = t; | |||
617 | return val; | |||
618 | } | |||
619 | ||||
620 | ||||
621 | static char * | |||
622 | config_parse_endian( | |||
623 | ConfigOptionPtr parm, | |||
624 | char *c, | |||
625 | int *ret, | |||
626 | int *pval) | |||
627 | { | |||
628 | static struct nameVal endian_val[] = { | |||
629 | { "lsb", LSBFirst0 }, | |||
630 | { "little", LSBFirst0 }, | |||
631 | { "lsbfirst", LSBFirst0 }, | |||
632 | { "msb", MSBFirst1 }, | |||
633 | { "big", MSBFirst1 }, | |||
634 | { "msbfirst", MSBFirst1 }, | |||
635 | { (char *) 0, 0 }, | |||
636 | }; | |||
637 | return config_parse_nameVal (parm, c, ret, pval, endian_val); | |||
638 | } | |||
639 | ||||
640 | /* ARGSUSED */ | |||
641 | static char * | |||
642 | config_set_snf_format ( | |||
643 | ConfigOptionPtr parm, | |||
644 | char *val) | |||
645 | { | |||
646 | int bit, byte, glyph, scan; | |||
647 | int ret; | |||
648 | ||||
649 | val = config_parse_endian (parm, val, &ret, &bit); | |||
650 | if (ret == -1) | |||
651 | return val; | |||
652 | skip_whitespace (val)while(isspace(*(val)) || *(val) == ',') (val)++;; | |||
653 | val = config_parse_endian (parm, val, &ret, &byte); | |||
654 | if (ret == -1) | |||
655 | return val; | |||
656 | skip_whitespace (val)while(isspace(*(val)) || *(val) == ',') (val)++;; | |||
657 | val = config_parse_int (parm, val, &ret, &glyph); | |||
658 | if (ret == -1) | |||
659 | return val; | |||
660 | skip_whitespace (val)while(isspace(*(val)) || *(val) == ',') (val)++;; | |||
661 | val = config_parse_int (parm, val, &ret, &scan); | |||
662 | if (ret == -1) | |||
663 | return val; | |||
664 | #ifdef XFONT_SNFFORMAT | |||
665 | SnfSetFormat (bit, byte, glyph, scan); | |||
666 | #endif | |||
667 | return val; | |||
668 | } |