1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * misc.cc
28 *
29 * This file contains various unclassified routines. Some main groups:
30 * getname
31 * Memory allocation
32 * String handling
33 * Property handling
34 * Error message handling
35 * Make internal state dumping
36 * main routine support
37 */
38
39 /*
40 * Included files
41 */
42 #include <errno.h>
43 #include <mk/defs.h>
44 #include <mksh/macro.h> /* SETVAR() */
45 #include <mksh/misc.h> /* enable_interrupt() */
46 #include <stdarg.h> /* va_list, va_start(), va_end() */
47 #include <vroot/report.h> /* SUNPRO_DEPENDENCIES */
48
49
50 #define MAXJOBS_ADJUST_RFE4694000
51
52 #ifdef MAXJOBS_ADJUST_RFE4694000
53 extern void job_adjust_fini();
54 #endif /* MAXJOBS_ADJUST_RFE4694000 */
55
56
57 /*
58 * Defined macros
59 */
60
61 /*
62 * typedefs & structs
63 */
64
65 /*
66 * Static variables
67 */
68
69 /*
70 * File table of contents
71 */
72 static void print_rule(register Name target);
73 static void print_target_n_deps(register Name target);
74
75 /*****************************************
76 *
77 * getname
78 */
79
80 /*****************************************
81 *
82 * Memory allocation
83 */
84
85 /*
86 * free_chain()
87 *
88 * frees a chain of Name_vector's
89 *
90 * Parameters:
91 * ptr Pointer to the first element in the chain
92 * to be freed.
93 *
94 * Global variables used:
95 */
96 void
97 free_chain(Name_vector ptr)
98 {
99 if (ptr != NULL) {
100 if (ptr->next != NULL) {
101 free_chain(ptr->next);
102 }
103 free((char *) ptr);
104 }
105 }
106
107 /*****************************************
108 *
109 * String manipulation
110 */
111
112 /*****************************************
113 *
114 * Nameblock property handling
115 */
116
117 /*****************************************
118 *
119 * Error message handling
120 */
121
122 /*
123 * fatal(format, args...)
124 *
125 * Print a message and die
126 *
127 * Parameters:
128 * format printf type format string
129 * args Arguments to match the format
130 *
131 * Global variables used:
132 * fatal_in_progress Indicates if this is a recursive call
133 * parallel_process_cnt Do we need to wait for anything?
134 * report_pwd Should we report the current path?
135 */
136 /*VARARGS*/
137 void
138 fatal(const char *message, ...)
139 {
140 va_list args;
141
142 va_start(args, message);
143 (void) fflush(stdout);
144 (void) fprintf(stderr, catgets(catd, 1, 263, "make: Fatal error: "));
145 (void) vfprintf(stderr, message, args);
146 (void) fprintf(stderr, "\n");
147 va_end(args);
148 if (report_pwd) {
149 (void) fprintf(stderr,
150 catgets(catd, 1, 156, "Current working directory %s\n"),
151 get_current_path());
152 }
153 (void) fflush(stderr);
154 if (fatal_in_progress) {
155 exit_status = 1;
156 exit(1);
157 }
158 fatal_in_progress = true;
159 /* Let all parallel children finish */
160 if ((dmake_mode_type == parallel_mode) &&
161 (parallel_process_cnt > 0)) {
162 (void) fprintf(stderr,
163 catgets(catd, 1, 157, "Waiting for %d %s to finish\n"),
164 parallel_process_cnt,
165 parallel_process_cnt == 1 ?
166 catgets(catd, 1, 158, "job") : catgets(catd, 1, 159, "jobs"));
167 (void) fflush(stderr);
168 }
169
170 while (parallel_process_cnt > 0) {
171 await_parallel(true);
172 finish_children(false);
173 }
174
175 #if defined (TEAMWARE_MAKE_CMN) && defined (MAXJOBS_ADJUST_RFE4694000)
176 job_adjust_fini();
177 #endif
178
179 exit_status = 1;
180 exit(1);
181 }
182
183 /*
184 * warning(format, args...)
185 *
186 * Print a message and continue.
187 *
188 * Parameters:
189 * format printf type format string
190 * args Arguments to match the format
191 *
192 * Global variables used:
193 * report_pwd Should we report the current path?
194 */
195 /*VARARGS*/
196 void
197 warning(char * message, ...)
198 {
199 va_list args;
200
201 va_start(args, message);
202 (void) fflush(stdout);
203 (void) fprintf(stderr, catgets(catd, 1, 265, "make: Warning: "));
204 (void) vfprintf(stderr, message, args);
205 (void) fprintf(stderr, "\n");
206 va_end(args);
207 if (report_pwd) {
208 (void) fprintf(stderr,
209 catgets(catd, 1, 161, "Current working directory %s\n"),
210 get_current_path());
211 }
212 (void) fflush(stderr);
213 }
214
215 /*
216 * time_to_string(time)
217 *
218 * Take a numeric time value and produce
219 * a proper string representation.
220 *
221 * Return value:
222 * The string representation of the time
223 *
224 * Parameters:
225 * time The time we need to translate
226 *
227 * Global variables used:
228 */
229 char *
230 time_to_string(const timestruc_t &time)
231 {
232 struct tm *tm;
233 char buf[128];
234
235 if (time == file_doesnt_exist) {
236 return catgets(catd, 1, 163, "File does not exist");
237 }
238 if (time == file_max_time) {
239 return catgets(catd, 1, 164, "Younger than any file");
240 }
241 tm = localtime(&time.tv_sec);
242 strftime(buf, sizeof (buf), NOCATGETS("%c %Z"), tm);
243 buf[127] = (int) nul_char;
244 return strdup(buf);
245 }
246
247 /*
248 * get_current_path()
249 *
250 * Stuff current_path with the current path if it isnt there already.
251 *
252 * Parameters:
253 *
254 * Global variables used:
255 */
256 char *
257 get_current_path(void)
258 {
259 char pwd[(MAXPATHLEN * MB_LEN_MAX)];
260 static char *current_path;
261
262 if (current_path == NULL) {
263 getcwd(pwd, sizeof(pwd));
264 if (pwd[0] == (int) nul_char) {
265 pwd[0] = (int) slash_char;
266 pwd[1] = (int) nul_char;
267 }
268 current_path = strdup(pwd);
269 }
270 return current_path;
271 }
272
273 /*****************************************
274 *
275 * Make internal state dumping
276 *
277 * This is a set of routines for dumping the internal make state
278 * Used for the -p option
279 */
280
281 /*
282 * dump_make_state()
283 *
284 * Dump make's internal state to stdout
285 *
286 * Parameters:
287 *
288 * Global variables used:
289 * svr4 Was ".SVR4" seen in makefile?
290 * svr4_name The Name ".SVR4", printed
291 * posix Was ".POSIX" seen in makefile?
292 * posix_name The Name ".POSIX", printed
293 * default_rule Points to the .DEFAULT rule
294 * default_rule_name The Name ".DEFAULT", printed
295 * default_target_to_build The first target to print
296 * dot_keep_state The Name ".KEEP_STATE", printed
297 * dot_keep_state_file The Name ".KEEP_STATE_FILE", printed
298 * hashtab The make hash table for Name blocks
299 * ignore_errors Was ".IGNORE" seen in makefile?
300 * ignore_name The Name ".IGNORE", printed
301 * keep_state Was ".KEEP_STATE" seen in makefile?
302 * percent_list The list of % rules
303 * precious The Name ".PRECIOUS", printed
304 * sccs_get_name The Name ".SCCS_GET", printed
305 * sccs_get_posix_name The Name ".SCCS_GET_POSIX", printed
306 * get_name The Name ".GET", printed
307 * get_posix_name The Name ".GET_POSIX", printed
308 * sccs_get_rule Points to the ".SCCS_GET" rule
309 * silent Was ".SILENT" seen in makefile?
310 * silent_name The Name ".SILENT", printed
311 * suffixes The suffix list from ".SUFFIXES"
312 * suffixes_name The Name ".SUFFIX", printed
313 */
314 void
315 dump_make_state(void)
316 {
317 Name_set::iterator p, e;
318 register Property prop;
319 register Dependency dep;
320 register Cmd_line rule;
321 Percent percent, percent_depe;
322
323 /* Default target */
324 if (default_target_to_build != NULL) {
325 print_rule(default_target_to_build);
326 }
327 (void) printf("\n");
328
329 /* .POSIX */
330 if (posix) {
331 (void) printf("%s:\n", posix_name->string_mb);
332 }
333
334 /* .DEFAULT */
335 if (default_rule != NULL) {
336 (void) printf("%s:\n", default_rule_name->string_mb);
337 for (rule = default_rule; rule != NULL; rule = rule->next) {
338 (void) printf("\t%s\n", rule->command_line->string_mb);
339 }
340 }
341
342 /* .IGNORE */
343 if (ignore_errors) {
344 (void) printf("%s:\n", ignore_name->string_mb);
345 }
346
347 /* .KEEP_STATE: */
348 if (keep_state) {
349 (void) printf("%s:\n\n", dot_keep_state->string_mb);
350 }
351
352 /* .PRECIOUS */
353 (void) printf("%s:", precious->string_mb);
354 for (p = hashtab.begin(), e = hashtab.end(); p != e; p++) {
355 if ((p->stat.is_precious) || (all_precious)) {
356 (void) printf(" %s", p->string_mb);
357 }
358 }
359 (void) printf("\n");
360
361 /* .SCCS_GET */
362 if (sccs_get_rule != NULL) {
363 (void) printf("%s:\n", sccs_get_name->string_mb);
364 for (rule = sccs_get_rule; rule != NULL; rule = rule->next) {
365 (void) printf("\t%s\n", rule->command_line->string_mb);
366 }
367 }
368
369 /* .SILENT */
370 if (silent) {
371 (void) printf("%s:\n", silent_name->string_mb);
372 }
373
374 /* .SUFFIXES: */
375 (void) printf("%s:", suffixes_name->string_mb);
376 for (dep = suffixes; dep != NULL; dep = dep->next) {
377 (void) printf(" %s", dep->name->string_mb);
378 build_suffix_list(dep->name);
379 }
380 (void) printf("\n\n");
381
382 /* % rules */
383 for (percent = percent_list;
384 percent != NULL;
385 percent = percent->next) {
386 (void) printf("%s:",
387 percent->name->string_mb);
388
389 for (percent_depe = percent->dependencies;
390 percent_depe != NULL;
391 percent_depe = percent_depe->next) {
392 (void) printf(" %s", percent_depe->name->string_mb);
393 }
394
395 (void) printf("\n");
396
397 for (rule = percent->command_template;
398 rule != NULL;
399 rule = rule->next) {
400 (void) printf("\t%s\n", rule->command_line->string_mb);
401 }
402 }
403
404 /* Suffix rules */
405 for (p = hashtab.begin(), e = hashtab.end(); p != e; p++) {
406 Wstring wcb(p);
407 if (wcb.get_string()[0] == (int) period_char) {
408 print_rule(p);
409 }
410 }
411
412 /* Macro assignments */
413 for (p = hashtab.begin(), e = hashtab.end(); p != e; p++) {
414 if (((prop = get_prop(p->prop, macro_prop)) != NULL) &&
415 (prop->body.macro.value != NULL)) {
416 (void) printf("%s", p->string_mb);
417 print_value(prop->body.macro.value,
418 (Daemon) prop->body.macro.daemon);
419 }
420 }
421 (void) printf("\n");
422
423 /* Conditional macro assignments */
424 for (p = hashtab.begin(), e = hashtab.end(); p != e; p++) {
425 for (prop = get_prop(p->prop, conditional_prop);
426 prop != NULL;
427 prop = get_prop(prop->next, conditional_prop)) {
428 (void) printf("%s := %s",
429 p->string_mb,
430 prop->body.conditional.name->
431 string_mb);
432 if (prop->body.conditional.append) {
433 printf(" +");
434 }
435 else {
436 printf(" ");
437 }
438 print_value(prop->body.conditional.value,
439 no_daemon);
440 }
441 }
442 (void) printf("\n");
443
444 /* All other dependencies */
445 for (p = hashtab.begin(), e = hashtab.end(); p != e; p++) {
446 if (p->colons != no_colon) {
447 print_rule(p);
448 }
449 }
450 (void) printf("\n");
451 }
452
453 /*
454 * print_rule(target)
455 *
456 * Print the rule for one target
457 *
458 * Parameters:
459 * target Target we print rule for
460 *
461 * Global variables used:
462 */
463 static void
464 print_rule(register Name target)
465 {
466 register Cmd_line rule;
467 register Property line;
468 register Dependency dependency;
469
470 if (target->dependency_printed ||
471 ((line = get_prop(target->prop, line_prop)) == NULL) ||
472 ((line->body.line.command_template == NULL) &&
473 (line->body.line.dependencies == NULL))) {
474 return;
475 }
476 target->dependency_printed = true;
477
478 (void) printf("%s:", target->string_mb);
479
480 for (dependency = line->body.line.dependencies;
481 dependency != NULL;
482 dependency = dependency->next) {
483 (void) printf(" %s", dependency->name->string_mb);
484 }
485
486 (void) printf("\n");
487
488 for (rule = line->body.line.command_template;
489 rule != NULL;
490 rule = rule->next) {
491 (void) printf("\t%s\n", rule->command_line->string_mb);
492 }
493 }
494
495 void
496 dump_target_list(void)
497 {
498 Name_set::iterator p, e;
499 Wstring str;
500
501 for (p = hashtab.begin(), e = hashtab.end(); p != e; p++) {
502 str.init(p);
503 wchar_t * wcb = str.get_string();
504 if ((p->colons != no_colon) &&
505 ((wcb[0] != (int) period_char) ||
506 ((wcb[0] == (int) period_char) &&
507 (wschr(wcb, (int) slash_char))))) {
508 print_target_n_deps(p);
509 }
510 }
511 }
512
513 static void
514 print_target_n_deps(register Name target)
515 {
516 register Cmd_line rule;
517 register Property line;
518 register Dependency dependency;
519
520 if (target->dependency_printed) {
521 return;
522 }
523 target->dependency_printed = true;
524
525 (void) printf("%s\n", target->string_mb);
526
527 if ((line = get_prop(target->prop, line_prop)) == NULL) {
528 return;
529 }
530 for (dependency = line->body.line.dependencies;
531 dependency != NULL;
532 dependency = dependency->next) {
533 if (!dependency->automatic) {
534 print_target_n_deps(dependency->name);
535 }
536 }
537 }
538
539 /*****************************************
540 *
541 * main() support
542 */
543
544 /*
545 * load_cached_names()
546 *
547 * Load the vector of cached names
548 *
549 * Parameters:
550 *
551 * Global variables used:
552 * Many many pointers to Name blocks.
553 */
554 void
555 load_cached_names(void)
556 {
557 char *cp;
558 Name dollar;
559
560 /* Load the cached_names struct */
561 MBSTOWCS(wcs_buffer, NOCATGETS(".BUILT_LAST_MAKE_RUN"));
562 built_last_make_run = GETNAME(wcs_buffer, FIND_LENGTH);
563 MBSTOWCS(wcs_buffer, NOCATGETS("@"));
564 c_at = GETNAME(wcs_buffer, FIND_LENGTH);
565 MBSTOWCS(wcs_buffer, NOCATGETS(" *conditionals* "));
566 conditionals = GETNAME(wcs_buffer, FIND_LENGTH);
567 /*
568 * A version of make was released with NSE 1.0 that used
569 * VERSION-1.1 but this version is identical to VERSION-1.0.
570 * The version mismatch code makes a special case for this
571 * situation. If the version number is changed from 1.0
572 * it should go to 1.2.
573 */
574 MBSTOWCS(wcs_buffer, NOCATGETS("VERSION-1.0"));
575 current_make_version = GETNAME(wcs_buffer, FIND_LENGTH);
576 MBSTOWCS(wcs_buffer, NOCATGETS(".SVR4"));
577 svr4_name = GETNAME(wcs_buffer, FIND_LENGTH);
578 MBSTOWCS(wcs_buffer, NOCATGETS(".POSIX"));
579 posix_name = GETNAME(wcs_buffer, FIND_LENGTH);
580 MBSTOWCS(wcs_buffer, NOCATGETS(".DEFAULT"));
581 default_rule_name = GETNAME(wcs_buffer, FIND_LENGTH);
582 MBSTOWCS(wcs_buffer, NOCATGETS("$"));
583 dollar = GETNAME(wcs_buffer, FIND_LENGTH);
584 MBSTOWCS(wcs_buffer, NOCATGETS(".DONE"));
585 done = GETNAME(wcs_buffer, FIND_LENGTH);
586 MBSTOWCS(wcs_buffer, NOCATGETS("."));
587 dot = GETNAME(wcs_buffer, FIND_LENGTH);
588 MBSTOWCS(wcs_buffer, NOCATGETS(".KEEP_STATE"));
589 dot_keep_state = GETNAME(wcs_buffer, FIND_LENGTH);
590 MBSTOWCS(wcs_buffer, NOCATGETS(".KEEP_STATE_FILE"));
591 dot_keep_state_file = GETNAME(wcs_buffer, FIND_LENGTH);
592 MBSTOWCS(wcs_buffer, NOCATGETS(""));
593 empty_name = GETNAME(wcs_buffer, FIND_LENGTH);
594 MBSTOWCS(wcs_buffer, NOCATGETS(" FORCE"));
595 force = GETNAME(wcs_buffer, FIND_LENGTH);
596 MBSTOWCS(wcs_buffer, NOCATGETS("HOST_ARCH"));
597 host_arch = GETNAME(wcs_buffer, FIND_LENGTH);
598 MBSTOWCS(wcs_buffer, NOCATGETS("HOST_MACH"));
599 host_mach = GETNAME(wcs_buffer, FIND_LENGTH);
600 MBSTOWCS(wcs_buffer, NOCATGETS(".IGNORE"));
601 ignore_name = GETNAME(wcs_buffer, FIND_LENGTH);
602 MBSTOWCS(wcs_buffer, NOCATGETS(".INIT"));
603 init = GETNAME(wcs_buffer, FIND_LENGTH);
604 MBSTOWCS(wcs_buffer, NOCATGETS(".LOCAL"));
605 localhost_name = GETNAME(wcs_buffer, FIND_LENGTH);
606 MBSTOWCS(wcs_buffer, NOCATGETS(".make.state"));
607 make_state = GETNAME(wcs_buffer, FIND_LENGTH);
608 MBSTOWCS(wcs_buffer, NOCATGETS("MAKEFLAGS"));
609 makeflags = GETNAME(wcs_buffer, FIND_LENGTH);
610 MBSTOWCS(wcs_buffer, NOCATGETS(".MAKE_VERSION"));
611 make_version = GETNAME(wcs_buffer, FIND_LENGTH);
612 MBSTOWCS(wcs_buffer, NOCATGETS(".NO_PARALLEL"));
613 no_parallel_name = GETNAME(wcs_buffer, FIND_LENGTH);
614 MBSTOWCS(wcs_buffer, NOCATGETS(".NOT_AUTO"));
615 not_auto = GETNAME(wcs_buffer, FIND_LENGTH);
616 MBSTOWCS(wcs_buffer, NOCATGETS(".PARALLEL"));
617 parallel_name = GETNAME(wcs_buffer, FIND_LENGTH);
618 MBSTOWCS(wcs_buffer, NOCATGETS("PATH"));
619 path_name = GETNAME(wcs_buffer, FIND_LENGTH);
620 MBSTOWCS(wcs_buffer, NOCATGETS("+"));
621 plus = GETNAME(wcs_buffer, FIND_LENGTH);
622 MBSTOWCS(wcs_buffer, NOCATGETS(".PRECIOUS"));
623 precious = GETNAME(wcs_buffer, FIND_LENGTH);
624 MBSTOWCS(wcs_buffer, NOCATGETS("?"));
625 query = GETNAME(wcs_buffer, FIND_LENGTH);
626 MBSTOWCS(wcs_buffer, NOCATGETS("^"));
627 hat = GETNAME(wcs_buffer, FIND_LENGTH);
628 MBSTOWCS(wcs_buffer, NOCATGETS(".RECURSIVE"));
629 recursive_name = GETNAME(wcs_buffer, FIND_LENGTH);
630 MBSTOWCS(wcs_buffer, NOCATGETS(".SCCS_GET"));
631 sccs_get_name = GETNAME(wcs_buffer, FIND_LENGTH);
632 MBSTOWCS(wcs_buffer, NOCATGETS(".SCCS_GET_POSIX"));
633 sccs_get_posix_name = GETNAME(wcs_buffer, FIND_LENGTH);
634 MBSTOWCS(wcs_buffer, NOCATGETS(".GET"));
635 get_name = GETNAME(wcs_buffer, FIND_LENGTH);
636 MBSTOWCS(wcs_buffer, NOCATGETS(".GET_POSIX"));
637 get_posix_name = GETNAME(wcs_buffer, FIND_LENGTH);
638 MBSTOWCS(wcs_buffer, NOCATGETS("SHELL"));
639 shell_name = GETNAME(wcs_buffer, FIND_LENGTH);
640 MBSTOWCS(wcs_buffer, NOCATGETS(".SILENT"));
641 silent_name = GETNAME(wcs_buffer, FIND_LENGTH);
642 MBSTOWCS(wcs_buffer, NOCATGETS(".SUFFIXES"));
643 suffixes_name = GETNAME(wcs_buffer, FIND_LENGTH);
644 MBSTOWCS(wcs_buffer, SUNPRO_DEPENDENCIES);
645 sunpro_dependencies = GETNAME(wcs_buffer, FIND_LENGTH);
646 MBSTOWCS(wcs_buffer, NOCATGETS("TARGET_ARCH"));
647 target_arch = GETNAME(wcs_buffer, FIND_LENGTH);
648 MBSTOWCS(wcs_buffer, NOCATGETS("TARGET_MACH"));
649 target_mach = GETNAME(wcs_buffer, FIND_LENGTH);
650 MBSTOWCS(wcs_buffer, NOCATGETS("VIRTUAL_ROOT"));
651 virtual_root = GETNAME(wcs_buffer, FIND_LENGTH);
652 MBSTOWCS(wcs_buffer, NOCATGETS("VPATH"));
653 vpath_name = GETNAME(wcs_buffer, FIND_LENGTH);
654 MBSTOWCS(wcs_buffer, NOCATGETS(".WAIT"));
655 wait_name = GETNAME(wcs_buffer, FIND_LENGTH);
656
657 wait_name->state = build_ok;
658
659 /* Mark special targets so that the reader treats them properly */
660 svr4_name->special_reader = svr4_special;
661 posix_name->special_reader = posix_special;
662 built_last_make_run->special_reader = built_last_make_run_special;
663 default_rule_name->special_reader = default_special;
664 dot_keep_state->special_reader = keep_state_special;
665 dot_keep_state_file->special_reader = keep_state_file_special;
666 ignore_name->special_reader = ignore_special;
667 make_version->special_reader = make_version_special;
668 no_parallel_name->special_reader = no_parallel_special;
669 parallel_name->special_reader = parallel_special;
670 localhost_name->special_reader = localhost_special;
671 precious->special_reader = precious_special;
672 sccs_get_name->special_reader = sccs_get_special;
673 sccs_get_posix_name->special_reader = sccs_get_posix_special;
674 get_name->special_reader = get_special;
675 get_posix_name->special_reader = get_posix_special;
676 silent_name->special_reader = silent_special;
677 suffixes_name->special_reader = suffixes_special;
678
679 /* The value of $$ is $ */
680 (void) SETVAR(dollar, dollar, false);
681 dollar->dollar = false;
682
683 /* Set the value of $(SHELL) */
684 if (posix) {
685 MBSTOWCS(wcs_buffer, NOCATGETS("/usr/xpg4/bin/sh"));
686 } else {
687 MBSTOWCS(wcs_buffer, NOCATGETS("/bin/sh"));
688 }
689 (void) SETVAR(shell_name, GETNAME(wcs_buffer, FIND_LENGTH), false);
690
691 /*
692 * Use " FORCE" to simulate a FRC dependency for :: type
693 * targets with no dependencies.
694 */
695 (void) append_prop(force, line_prop);
696 force->stat.time = file_max_time;
697
698 /* Make sure VPATH is defined before current dir is read */
699 if ((cp = getenv(vpath_name->string_mb)) != NULL) {
700 MBSTOWCS(wcs_buffer, cp);
701 (void) SETVAR(vpath_name,
702 GETNAME(wcs_buffer, FIND_LENGTH),
703 false);
704 }
705
706 /* Check if there is NO PATH variable. If not we construct one. */
707 if (getenv(path_name->string_mb) == NULL) {
708 vroot_path = NULL;
709 add_dir_to_path(NOCATGETS("."), &vroot_path, -1);
710 add_dir_to_path(NOCATGETS("/bin"), &vroot_path, -1);
711 add_dir_to_path(NOCATGETS("/usr/bin"), &vroot_path, -1);
712 }
713 }
714
715 /*
716 * iterate on list of conditional macros in np, and place them in
717 * a String_rec starting with, and separated by the '$' character.
718 */
719 void
720 cond_macros_into_string(Name np, String_rec *buffer)
721 {
722 Macro_list macro_list;
723
724 /*
725 * Put the version number at the start of the string
726 */
727 MBSTOWCS(wcs_buffer, DEPINFO_FMT_VERSION);
728 append_string(wcs_buffer, buffer, FIND_LENGTH);
729 /*
730 * Add the rest of the conditional macros to the buffer
731 */
732 if (np->depends_on_conditional){
733 for (macro_list = np->conditional_macro_list;
734 macro_list != NULL; macro_list = macro_list->next){
735 append_string(macro_list->macro_name, buffer,
736 FIND_LENGTH);
737 append_char((int) equal_char, buffer);
738 append_string(macro_list->value, buffer, FIND_LENGTH);
739 append_char((int) dollar_char, buffer);
740 }
741 }
742 }
743 /*
744 * Copyright (c) 1987-1992 Sun Microsystems, Inc. All Rights Reserved.
745 * Sun considers its source code as an unpublished, proprietary
746 * trade secret, and it is available only under strict license
747 * provisions. This copyright notice is placed here only to protect
748 * Sun in the event the source is deemed a published work. Dissassembly,
749 * decompilation, or other means of reducing the object code to human
750 * readable form is prohibited by the license agreement under which
751 * this code is provided to the user or company in possession of this
752 * copy.
753 * RESTRICTED RIGHTS LEGEND: Use, duplication, or disclosure by the
754 * Government is subject to restrictions as set forth in subparagraph
755 * (c)(1)(ii) of the Rights in Technical Data and Computer Software
756 * clause at DFARS 52.227-7013 and in similar clauses in the FAR and
757 * NASA FAR Supplement.
758 *
759 * 1.3 91/09/30
760 */
761
762
763 /* Some includes are commented because of the includes at the beginning */
764 /* #include <signal.h> */
765 #include <sys/types.h>
766 #include <sys/stat.h>
767 #include <sys/param.h>
768 /* #include <string.h> */
769 #include <unistd.h>
770 #include <stdlib.h>
771 /* #include <stdio.h> */
772 /* #include <avo/find_dir.h> */
773 /* #ifndef TEAMWARE_MAKE_CMN
774 #include <avo/find_dir.h>
775 #endif */
776
777 /* Routines to find the base directory name from which the various components
778 * -executables, *crt* libraries etc will be accessed
779 */
780
781 /* This routine checks to see if a given filename is an executable or not.
782 Logically similar to the csh statement : if ( -x $i && ! -d $i )
783 */
784
785 static int
786 check_if_exec(char *file)
787 {
788 struct stat stb;
789 if (stat(file, &stb) < 0) {
790 return ( -1);
791 }
792 if (S_ISDIR(stb.st_mode)) {
793 return (-1);
794 }
795 if (!(stb.st_mode & S_IEXEC)) {
796 return ( -1);
797 }
798 return (0);
799 }
800
801 /* resolve - check for specified file in specified directory
802 * sets up dir, following symlinks.
803 * returns zero for success, or
804 * -1 for error (with errno set properly)
805 */
806 static int
807 resolve (const char *indir, /* search directory */
808 const char *cmd, /* search for name */
809 char *dir, /* directory buffer */
810 char **run) /* resultion name ptr ptr */
811 {
812 char *p;
813 int rv = -1;
814 int sll;
815 char symlink[MAXPATHLEN + 1];
816
817 do {
818 errno = ENAMETOOLONG;
819 if ((strlen (indir) + strlen (cmd) + 2) > (size_t) MAXPATHLEN)
820 break;
821
822 sprintf(dir, "%s/%s", indir, cmd);
823 if (check_if_exec(dir) != 0) /* check if dir is an executable */
824 {
825 break; /* Not an executable program */
826 }
827
828 /* follow symbolic links */
829 while ((sll = readlink (dir, symlink, MAXPATHLEN)) >= 0) {
830 symlink[sll] = 0;
831 if (*symlink == '/')
832 strcpy (dir, symlink);
833 else
834 sprintf (strrchr (dir, '/'), "/%s", symlink);
835 }
836 if (errno != EINVAL)
837 break;
838
839 p = strrchr (dir, '/');
840 *p++ = 0;
841 if (run) /* user wants resolution name */
842 *run = p;
843 rv = 0; /* complete, with success! */
844
845 } while (0);
846
847 return rv;
848 }
849
850 /*
851 *find_run_directory - find executable file in PATH
852 *
853 * PARAMETERS:
854 * cmd filename as typed by user (argv[0])
855 * cwd buffer from which is read the working directory
856 * if first character is '/' or into which is
857 * copied working directory name otherwise
858 * dir buffer into which is copied program's directory
859 * pgm where to return pointer to tail of cmd (may be NULL
860 * if not wanted)
861 * run where to return pointer to tail of final resolved
862 * name ( dir/run is the program) (may be NULL
863 * if not wanted)
864 * path user's path from environment
865 *
866 * Note: run and pgm will agree except when symbolic links have
867 * renamed files
868 *
869 * RETURNS:
870 * returns zero for success,
871 * -1 for error (with errno set properly).
872 *
873 * EXAMPLE:
874 * find_run_directory (argv[0], ".", &charray1, (char **) 0, (char **) 0,
875 * getenv(NOGETTEXT("PATH")));
876 */
877 extern int
878 find_run_directory (char *cmd,
879 char *cwd,
880 char *dir,
881 char **pgm,
882 char **run,
883 char *path)
884 {
885 int rv = 0;
886 char *f, *s;
887 int i;
888 char tmp_path[MAXPATHLEN];
889
890 if (!cmd || !*cmd || !cwd || !dir) {
891 errno = EINVAL; /* stupid arguments! */
892 return -1;
893 }
894
895 if (*cwd != '/')
896 if (!(getcwd (cwd, MAXPATHLEN)))
897 return -1; /* can not get working directory */
898
899 f = strrchr (cmd, '/');
900 if (pgm) /* user wants program name */
901 *pgm = f ? f + 1 : cmd;
902
903 /* get program directory */
904 rv = -1;
905 if (*cmd == '/') /* absname given */
906 rv = resolve ("", cmd + 1, dir, run);
907 else if (f) /* relname given */
908 rv = resolve (cwd, cmd, dir, run);
909 else { /* from searchpath */
910 if (!path || !*path) { /* if missing or null path */
911 tmp_path[0] = '.'; /* assume sanity */
912 tmp_path[1] = '\0';
913 } else {
914 strcpy(tmp_path, path);
915 }
916 f = tmp_path;
917 rv = -1;
918 errno = ENOENT; /* errno gets this if path empty */
919 while (*f && (rv < 0)) {
920 s = f;
921 while (*f && (*f != ':'))
922 ++f;
923 if (*f)
924 *f++ = 0;
925 if (*s == '/')
926 rv = resolve (s, cmd, dir, run);
927 else {
928 char abuf[MAXPATHLEN];
929
930 sprintf (abuf, "%s/%s", cwd, s);
931 rv = resolve (abuf, cmd, dir, run);
932 }
933 }
934 }
935
936 /* Remove any trailing /. */
937 i = strlen(dir);
938 if ( dir[i-2] == '/' && dir[i-1] == '.') {
939 dir[i-2] = '\0';
940 }
941
942 return rv;
943 }
944