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1f414ac4 BK |
1 | /* Install modified versions of certain ANSI-incompatible system header |
2 | files which are fixed to work correctly with ANSI C and placed in a | |
6e6a1681 | 3 | directory that GCC will search. |
1f414ac4 | 4 | |
ad643a75 | 5 | Copyright (C) 1997, 1998, 1999, 2000, 2004 Free Software Foundation, Inc. |
1f414ac4 | 6 | |
6e6a1681 | 7 | This file is part of GCC. |
1f414ac4 | 8 | |
6e6a1681 | 9 | GCC is free software; you can redistribute it and/or modify |
1f414ac4 BK |
10 | it under the terms of the GNU General Public License as published by |
11 | the Free Software Foundation; either version 2, or (at your option) | |
12 | any later version. | |
13 | ||
6e6a1681 | 14 | GCC is distributed in the hope that it will be useful, |
1f414ac4 BK |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
6e6a1681 | 20 | along with GCC; see the file COPYING. If not, write to |
df065c82 KC |
21 | the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
22 | Boston, MA 02110-1301, USA. */ | |
1f414ac4 | 23 | |
5abc1f74 BK |
24 | #include "fixlib.h" |
25 | ||
ad643a75 | 26 | #include <sys/stat.h> |
8ba8f7e5 | 27 | #ifndef SEPARATE_FIX_PROC |
03a9fcb8 | 28 | #include <sys/wait.h> |
8ba8f7e5 | 29 | #endif |
ad643a75 | 30 | |
1e570a6a | 31 | #if defined( HAVE_MMAP_FILE ) |
99d525c9 PDM |
32 | #include <sys/mman.h> |
33 | #define BAD_ADDR ((void*)-1) | |
34 | #endif | |
1f414ac4 | 35 | |
283da1d3 | 36 | #ifndef SEPARATE_FIX_PROC |
0083c904 | 37 | #include "server.h" |
62a99405 | 38 | #endif |
0083c904 | 39 | |
5abc1f74 BK |
40 | /* The contents of this string are not very important. It is mostly |
41 | just used as part of the "I am alive and working" test. */ | |
0083c904 | 42 | |
5abc1f74 | 43 | static const char program_id[] = "fixincl version 1.1"; |
0083c904 | 44 | |
e02ecf39 BK |
45 | /* This format will be used at the start of every generated file */ |
46 | ||
47 | static const char z_std_preamble[] = | |
48 | "/* DO NOT EDIT THIS FILE.\n\n\ | |
49 | It has been auto-edited by fixincludes from:\n\n\ | |
50 | \t\"%s/%s\"\n\n\ | |
51 | This had to be done to correct non-standard usages in the\n\ | |
52 | original, manufacturer supplied header file. */\n\n"; | |
53 | ||
7d9ccd90 | 54 | int find_base_len = 0; |
1f414ac4 | 55 | |
b35926b9 BK |
56 | typedef enum { |
57 | VERB_SILENT = 0, | |
58 | VERB_FIXES, | |
59 | VERB_APPLIES, | |
60 | VERB_PROGRESS, | |
61 | VERB_TESTS, | |
62 | VERB_EVERYTHING | |
63 | } te_verbose; | |
64 | ||
65 | te_verbose verbose_level = VERB_PROGRESS; | |
d7eb5a45 | 66 | int have_tty = 0; |
b35926b9 | 67 | |
dbbbbf3b | 68 | #define VLEVEL(l) ((unsigned int) verbose_level >= (unsigned int) l) |
b35926b9 BK |
69 | #define NOT_SILENT VLEVEL(VERB_FIXES) |
70 | ||
1f414ac4 BK |
71 | pid_t process_chain_head = (pid_t) -1; |
72 | ||
5abc1f74 BK |
73 | char* pz_curr_file; /* name of the current file under test/fix */ |
74 | char* pz_curr_data; /* original contents of that file */ | |
62a99405 BK |
75 | char* pz_temp_file; /* for DOS, a place to stash the temporary |
76 | fixed data between system(3) calls */ | |
5abc1f74 BK |
77 | t_bool curr_data_mapped; |
78 | int data_map_fd; | |
79 | size_t data_map_size; | |
80 | size_t ttl_data_size = 0; | |
e02ecf39 | 81 | |
5abc1f74 BK |
82 | #ifdef DO_STATS |
83 | int process_ct = 0; | |
84 | int apply_ct = 0; | |
85 | int fixed_ct = 0; | |
86 | int altered_ct = 0; | |
87 | #endif /* DO_STATS */ | |
88 | ||
1f414ac4 | 89 | const char incl_quote_pat[] = "^[ \t]*#[ \t]*include[ \t]*\"[^/]"; |
5abc1f74 | 90 | tSCC z_fork_err[] = "Error %d (%s) starting filter process for %s\n"; |
1f414ac4 BK |
91 | regex_t incl_quote_re; |
92 | ||
f4dbf936 NN |
93 | static void do_version (void) ATTRIBUTE_NORETURN; |
94 | char *load_file (const char *); | |
95 | void run_compiles (void); | |
96 | void initialize (int argc, char** argv); | |
97 | void process (void); | |
5abc1f74 BK |
98 | |
99 | /* External Source Code */ | |
0083c904 BK |
100 | |
101 | #include "fixincl.x" | |
102 | ||
1f414ac4 BK |
103 | /* * * * * * * * * * * * * * * * * * * |
104 | * | |
105 | * MAIN ROUTINE | |
106 | */ | |
f4dbf936 | 107 | extern int main (int, char **); |
0083c904 | 108 | int |
f4dbf936 | 109 | main (int argc, char** argv) |
0083c904 | 110 | { |
5abc1f74 | 111 | char *file_name_buf; |
0083c904 | 112 | |
35dfe415 | 113 | initialize ( argc, argv ); |
d1c6a037 | 114 | |
d7eb5a45 ZW |
115 | have_tty = isatty (fileno (stderr)); |
116 | ||
5abc1f74 BK |
117 | /* Before anything else, ensure we can allocate our file name buffer. */ |
118 | file_name_buf = load_file_data (stdin); | |
119 | ||
120 | /* Because of the way server shells work, you have to keep stdin, out | |
121 | and err open so that the proper input file does not get closed | |
122 | by accident */ | |
123 | ||
124 | freopen ("/dev/null", "r", stdin); | |
125 | ||
126 | if (file_name_buf == (char *) NULL) | |
127 | { | |
128 | fputs ("No file names listed for fixing\n", stderr); | |
129 | exit (EXIT_FAILURE); | |
130 | } | |
131 | ||
d1c6a037 BK |
132 | for (;;) |
133 | { | |
5abc1f74 | 134 | char* pz_end; |
d1c6a037 | 135 | |
5abc1f74 | 136 | /* skip to start of name, past any "./" prefixes */ |
d1c6a037 | 137 | |
5abc1f74 BK |
138 | while (ISSPACE (*file_name_buf)) file_name_buf++; |
139 | while ((file_name_buf[0] == '.') && (file_name_buf[1] == '/')) | |
140 | file_name_buf += 2; | |
d1c6a037 | 141 | |
5abc1f74 BK |
142 | /* Check for end of list */ |
143 | ||
144 | if (*file_name_buf == NUL) | |
145 | break; | |
146 | ||
147 | /* Set global file name pointer and find end of name */ | |
148 | ||
149 | pz_curr_file = file_name_buf; | |
150 | pz_end = strchr( pz_curr_file, '\n' ); | |
151 | if (pz_end == (char*)NULL) | |
152 | pz_end = file_name_buf = pz_curr_file + strlen (pz_curr_file); | |
153 | else | |
154 | file_name_buf = pz_end + 1; | |
155 | ||
156 | while ((pz_end > pz_curr_file) && ISSPACE( pz_end[-1])) pz_end--; | |
157 | ||
158 | /* IF no name is found (blank line) or comment marker, skip line */ | |
159 | ||
160 | if ((pz_curr_file == pz_end) || (*pz_curr_file == '#')) | |
161 | continue; | |
162 | *pz_end = NUL; | |
d1c6a037 | 163 | |
5abc1f74 | 164 | process (); |
5abc1f74 | 165 | } /* for (;;) */ |
d1c6a037 | 166 | |
5abc1f74 | 167 | #ifdef DO_STATS |
b35926b9 | 168 | if (VLEVEL( VERB_PROGRESS )) { |
5abc1f74 BK |
169 | tSCC zFmt[] = |
170 | "\ | |
171 | Processed %5d files containing %d bytes \n\ | |
172 | Applying %5d fixes to %d files\n\ | |
173 | Altering %5d of them\n"; | |
174 | ||
175 | fprintf (stderr, zFmt, process_ct, ttl_data_size, apply_ct, | |
176 | fixed_ct, altered_ct); | |
177 | } | |
178 | #endif /* DO_STATS */ | |
62a99405 | 179 | |
283da1d3 | 180 | # ifdef SEPARATE_FIX_PROC |
62a99405 BK |
181 | unlink( pz_temp_file ); |
182 | # endif | |
15fe1a7e | 183 | exit (EXIT_SUCCESS); |
d1c6a037 BK |
184 | } |
185 | ||
186 | ||
6864a6c6 | 187 | static void |
f4dbf936 | 188 | do_version (void) |
5abc1f74 BK |
189 | { |
190 | static const char zFmt[] = "echo '%s'"; | |
191 | char zBuf[ 1024 ]; | |
192 | ||
193 | /* The 'version' option is really used to test that: | |
194 | 1. The program loads correctly (no missing libraries) | |
35dfe415 BK |
195 | 2. that we can compile all the regular expressions. |
196 | 3. we can correctly run our server shell process | |
5abc1f74 BK |
197 | */ |
198 | run_compiles (); | |
199 | sprintf (zBuf, zFmt, program_id); | |
283da1d3 | 200 | #ifndef SEPARATE_FIX_PROC |
6b151aa7 | 201 | puts (zBuf + 5); |
5abc1f74 | 202 | exit (strcmp (run_shell (zBuf), program_id)); |
62a99405 BK |
203 | #else |
204 | exit (system (zBuf)); | |
205 | #endif | |
5abc1f74 BK |
206 | } |
207 | ||
d1c6a037 BK |
208 | /* * * * * * * * * * * * */ |
209 | ||
210 | void | |
f4dbf936 | 211 | initialize ( int argc, char** argv ) |
d1c6a037 | 212 | { |
878a5794 BK |
213 | xmalloc_set_program_name (argv[0]); |
214 | ||
35dfe415 BK |
215 | switch (argc) |
216 | { | |
217 | case 1: | |
218 | break; | |
219 | ||
220 | case 2: | |
221 | if (strcmp (argv[1], "-v") == 0) | |
222 | do_version (); | |
223 | if (freopen (argv[1], "r", stdin) == (FILE*)NULL) | |
224 | { | |
225 | fprintf (stderr, "Error %d (%s) reopening %s as stdin\n", | |
226 | errno, xstrerror (errno), argv[1] ); | |
227 | exit (EXIT_FAILURE); | |
228 | } | |
229 | break; | |
230 | ||
231 | default: | |
232 | fputs ("fixincl ERROR: too many command line arguments\n", stderr); | |
233 | exit (EXIT_FAILURE); | |
234 | } | |
235 | ||
798bdf70 BK |
236 | #ifdef SIGCHLD |
237 | /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will | |
238 | receive the signal. A different setting is inheritable */ | |
239 | signal (SIGCHLD, SIG_DFL); | |
240 | #endif | |
241 | ||
ad643a75 | 242 | initialize_opts (); |
0083c904 | 243 | |
6864a6c6 | 244 | if (ISDIGIT ( *pz_verbose )) |
e02ecf39 BK |
245 | verbose_level = (te_verbose)atoi( pz_verbose ); |
246 | else | |
247 | switch (*pz_verbose) { | |
248 | case 's': | |
249 | case 'S': | |
250 | verbose_level = VERB_SILENT; break; | |
251 | ||
252 | case 'f': | |
253 | case 'F': | |
254 | verbose_level = VERB_FIXES; break; | |
255 | ||
256 | case 'a': | |
257 | case 'A': | |
258 | verbose_level = VERB_APPLIES; break; | |
259 | ||
7a9cdb10 | 260 | default: |
e02ecf39 BK |
261 | case 'p': |
262 | case 'P': | |
263 | verbose_level = VERB_PROGRESS; break; | |
264 | ||
265 | case 't': | |
266 | case 'T': | |
267 | verbose_level = VERB_TESTS; break; | |
268 | ||
269 | case 'e': | |
270 | case 'E': | |
271 | verbose_level = VERB_EVERYTHING; break; | |
272 | } | |
7a9cdb10 DD |
273 | if (verbose_level >= VERB_EVERYTHING) { |
274 | verbose_level = VERB_EVERYTHING; | |
275 | fputs ("fixinc verbosity: EVERYTHING\n", stderr); | |
276 | } | |
277 | while ((pz_find_base[0] == '.') && (pz_find_base[1] == '/')) | |
278 | pz_find_base += 2; | |
279 | if ((pz_find_base[0] != '.') || (pz_find_base[1] != NUL)) | |
280 | find_base_len = strlen( pz_find_base ); | |
7d9ccd90 | 281 | |
1f414ac4 BK |
282 | /* Compile all the regular expressions now. |
283 | That way, it is done only once for the whole run. | |
284 | */ | |
285 | run_compiles (); | |
0083c904 | 286 | |
283da1d3 | 287 | # ifdef SEPARATE_FIX_PROC |
62a99405 BK |
288 | /* NULL as the first argument to `tempnam' causes it to DTRT |
289 | wrt the temporary directory where the file will be created. */ | |
290 | pz_temp_file = tempnam( NULL, "fxinc" ); | |
291 | # endif | |
292 | ||
1f414ac4 BK |
293 | signal (SIGQUIT, SIG_IGN); |
294 | signal (SIGIOT, SIG_IGN); | |
295 | signal (SIGPIPE, SIG_IGN); | |
296 | signal (SIGALRM, SIG_IGN); | |
297 | signal (SIGTERM, SIG_IGN); | |
0083c904 | 298 | } |
0083c904 | 299 | |
1f414ac4 | 300 | /* * * * * * * * * * * * * |
5abc1f74 | 301 | |
1f414ac4 BK |
302 | load_file loads all the contents of a file into malloc-ed memory. |
303 | Its argument is the name of the file to read in; the returned | |
304 | result is the NUL terminated contents of the file. The file | |
305 | is presumed to be an ASCII text file containing no NULs. */ | |
0083c904 | 306 | char * |
f4dbf936 | 307 | load_file ( const char* fname ) |
0083c904 | 308 | { |
5abc1f74 BK |
309 | struct stat stbf; |
310 | char* res; | |
0083c904 | 311 | |
5abc1f74 | 312 | if (stat (fname, &stbf) != 0) |
0083c904 | 313 | { |
b35926b9 BK |
314 | if (NOT_SILENT) |
315 | fprintf (stderr, "error %d (%s) stat-ing %s\n", | |
f95e46b9 | 316 | errno, xstrerror (errno), fname ); |
5abc1f74 | 317 | return (char *) NULL; |
0083c904 | 318 | } |
5abc1f74 BK |
319 | if (stbf.st_size == 0) |
320 | return (char*)NULL; | |
0083c904 | 321 | |
a6efbece BK |
322 | /* Make the data map size one larger than the file size for documentation |
323 | purposes. Truth is that there will be a following NUL character if | |
324 | the file size is not a multiple of the page size. If it is a multiple, | |
325 | then this adjustment sometimes fails anyway. */ | |
5abc1f74 BK |
326 | data_map_size = stbf.st_size+1; |
327 | data_map_fd = open (fname, O_RDONLY); | |
328 | ttl_data_size += data_map_size-1; | |
0083c904 | 329 | |
5abc1f74 BK |
330 | if (data_map_fd < 0) |
331 | { | |
b35926b9 BK |
332 | if (NOT_SILENT) |
333 | fprintf (stderr, "error %d (%s) opening %s for read\n", | |
f95e46b9 | 334 | errno, xstrerror (errno), fname); |
5abc1f74 BK |
335 | return (char*)NULL; |
336 | } | |
0083c904 | 337 | |
56f02b88 | 338 | #ifdef HAVE_MMAP_FILE |
5abc1f74 | 339 | curr_data_mapped = BOOL_TRUE; |
a6efbece BK |
340 | |
341 | /* IF the file size is a multiple of the page size, | |
342 | THEN sometimes you will seg fault trying to access a trailing byte */ | |
dc46505a | 343 | if ((stbf.st_size & (getpagesize()-1)) == 0) |
a6efbece BK |
344 | res = (char*)BAD_ADDR; |
345 | else | |
346 | res = (char*)mmap ((void*)NULL, data_map_size, PROT_READ, | |
347 | MAP_PRIVATE, data_map_fd, 0); | |
5abc1f74 | 348 | if (res == (char*)BAD_ADDR) |
ca21b4a5 | 349 | #endif |
5abc1f74 | 350 | { |
ca21b4a5 | 351 | FILE* fp = fdopen (data_map_fd, "r"); |
5abc1f74 | 352 | curr_data_mapped = BOOL_FALSE; |
ca21b4a5 BK |
353 | res = load_file_data (fp); |
354 | fclose (fp); | |
5abc1f74 | 355 | } |
0083c904 | 356 | |
5abc1f74 | 357 | return res; |
0083c904 BK |
358 | } |
359 | ||
6864a6c6 | 360 | static int |
f4dbf936 | 361 | machine_matches( tFixDesc* p_fixd ) |
1f414ac4 | 362 | { |
283da1d3 | 363 | # ifndef SEPARATE_FIX_PROC |
5abc1f74 | 364 | tSCC case_fmt[] = "case %s in\n"; /* 9 bytes, plus string */ |
99d525c9 PDM |
365 | tSCC esac_fmt[] = |
366 | " )\n echo %s ;;\n* ) echo %s ;;\nesac";/* 4 bytes */ | |
5abc1f74 BK |
367 | tSCC skip[] = "skip"; /* 4 bytes */ |
368 | tSCC run[] = "run"; /* 3 bytes */ | |
369 | /* total bytes to add to machine sum: 49 - see fixincl.tpl */ | |
370 | ||
1f414ac4 | 371 | const char **papz_machs = p_fixd->papz_machs; |
5abc1f74 | 372 | char *pz; |
6864a6c6 | 373 | const char *pz_sep = ""; |
1f414ac4 BK |
374 | tCC *pz_if_true; |
375 | tCC *pz_if_false; | |
5abc1f74 | 376 | char cmd_buf[ MACH_LIST_SIZE_LIMIT ]; /* size lim from fixincl.tpl */ |
1f414ac4 | 377 | |
5abc1f74 | 378 | /* Start the case statement */ |
1f414ac4 | 379 | |
5abc1f74 BK |
380 | sprintf (cmd_buf, case_fmt, pz_machine); |
381 | pz = cmd_buf + strlen (cmd_buf); | |
1f414ac4 | 382 | |
5abc1f74 | 383 | /* Determine if a match means to apply the fix or not apply it */ |
1f414ac4 BK |
384 | |
385 | if (p_fixd->fd_flags & FD_MACH_IFNOT) | |
386 | { | |
387 | pz_if_true = skip; | |
388 | pz_if_false = run; | |
389 | } | |
390 | else | |
391 | { | |
392 | pz_if_true = run; | |
393 | pz_if_false = skip; | |
394 | } | |
395 | ||
5abc1f74 BK |
396 | /* Emit all the machine names. If there are more than one, |
397 | then we will insert " | \\\n" between the names */ | |
1f414ac4 BK |
398 | |
399 | for (;;) | |
400 | { | |
401 | const char* pz_mach = *(papz_machs++); | |
402 | ||
403 | if (pz_mach == (const char*) NULL) | |
404 | break; | |
5abc1f74 | 405 | sprintf (pz, "%s%s", pz_sep, pz_mach); |
1f414ac4 BK |
406 | pz += strlen (pz); |
407 | pz_sep = " | \\\n"; | |
408 | } | |
5abc1f74 BK |
409 | |
410 | /* Now emit the match and not-match actions and the esac */ | |
411 | ||
412 | sprintf (pz, esac_fmt, pz_if_true, pz_if_false); | |
1f414ac4 BK |
413 | |
414 | /* Run the script. | |
415 | The result will start either with 's' or 'r'. */ | |
416 | ||
7d032a4f RO |
417 | { |
418 | int skip; | |
5abc1f74 | 419 | pz = run_shell (cmd_buf); |
7d032a4f RO |
420 | skip = (*pz == 's'); |
421 | free ( (void*)pz ); | |
422 | if (skip) | |
423 | { | |
424 | p_fixd->fd_flags |= FD_SKIP_TEST; | |
62a99405 BK |
425 | return BOOL_FALSE; |
426 | } | |
427 | } | |
428 | ||
429 | return BOOL_TRUE; | |
283da1d3 | 430 | # else /* is SEPARATE_FIX_PROC */ |
62a99405 BK |
431 | const char **papz_machs = p_fixd->papz_machs; |
432 | int invert = (p_fixd->fd_flags & FD_MACH_IFNOT) != 0; | |
433 | for (;;) | |
434 | { | |
435 | const char* pz_mach = *(papz_machs++); | |
436 | ||
437 | if (pz_mach == (const char*) NULL) | |
438 | break; | |
439 | if (strstr (pz_mach, "dos") != NULL && !invert) | |
440 | return BOOL_TRUE; | |
441 | } | |
442 | ||
443 | p_fixd->fd_flags |= FD_SKIP_TEST; | |
444 | return BOOL_FALSE; | |
445 | # endif | |
446 | } | |
447 | ||
448 | /* * * * * * * * * * * * * | |
449 | ||
450 | run_compiles run all the regexp compiles for all the fixes once. | |
451 | */ | |
452 | void | |
f4dbf936 | 453 | run_compiles (void) |
62a99405 BK |
454 | { |
455 | tFixDesc *p_fixd = fixDescList; | |
456 | int fix_ct = FIX_COUNT; | |
03a9fcb8 | 457 | regex_t *p_re = XCNEWVEC (regex_t, REGEX_COUNT); |
62a99405 BK |
458 | |
459 | /* Make sure compile_re does not stumble across invalid data */ | |
460 | ||
c68b0a84 | 461 | memset (&incl_quote_re, '\0', sizeof (regex_t)); |
62a99405 BK |
462 | |
463 | compile_re (incl_quote_pat, &incl_quote_re, 1, | |
464 | "quoted include", "run_compiles"); | |
465 | ||
466 | /* Allow machine name tests to be ignored (testing, mainly) */ | |
467 | ||
468 | if (pz_machine && ((*pz_machine == '\0') || (*pz_machine == '*'))) | |
469 | pz_machine = (char*)NULL; | |
470 | ||
471 | /* FOR every fixup, ... */ | |
472 | do | |
473 | { | |
474 | tTestDesc *p_test = p_fixd->p_test_desc; | |
475 | int test_ct = p_fixd->test_ct; | |
476 | ||
477 | /* IF the machine type pointer is not NULL (we are not in test mode) | |
478 | AND this test is for or not done on particular machines | |
479 | THEN ... */ | |
480 | ||
481 | if ( (pz_machine != NULL) | |
482 | && (p_fixd->papz_machs != (const char**) NULL) | |
483 | && ! machine_matches (p_fixd) ) | |
484 | continue; | |
0083c904 | 485 | |
1f414ac4 BK |
486 | /* FOR every test for the fixup, ... */ |
487 | ||
488 | while (--test_ct >= 0) | |
0083c904 | 489 | { |
1f414ac4 | 490 | switch (p_test->type) |
0083c904 BK |
491 | { |
492 | case TT_EGREP: | |
493 | case TT_NEGREP: | |
1f414ac4 | 494 | p_test->p_test_regex = p_re++; |
35dfe415 BK |
495 | compile_re (p_test->pz_test_text, p_test->p_test_regex, 0, |
496 | "select test", p_fixd->fix_name); | |
3af556f7 | 497 | default: break; |
35dfe415 | 498 | } |
1f414ac4 | 499 | p_test++; |
0083c904 BK |
500 | } |
501 | } | |
1f414ac4 | 502 | while (p_fixd++, --fix_ct > 0); |
0083c904 BK |
503 | } |
504 | ||
505 | ||
1f414ac4 | 506 | /* * * * * * * * * * * * * |
5abc1f74 | 507 | |
1f414ac4 BK |
508 | create_file Create the output modified file. |
509 | Input: the name of the file to create | |
510 | Returns: a file pointer to the new, open file */ | |
511 | ||
063174ee BK |
512 | #if defined(S_IRUSR) && defined(S_IWUSR) && \ |
513 | defined(S_IRGRP) && defined(S_IROTH) | |
514 | ||
515 | # define S_IRALL (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) | |
516 | #else | |
517 | # define S_IRALL 0644 | |
518 | #endif | |
519 | ||
520 | #if defined(S_IRWXU) && defined(S_IRGRP) && defined(S_IXGRP) && \ | |
521 | defined(S_IROTH) && defined(S_IXOTH) | |
522 | ||
523 | # define S_DIRALL (S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) | |
524 | #else | |
525 | # define S_DIRALL 0755 | |
526 | #endif | |
527 | ||
1f414ac4 | 528 | |
6864a6c6 | 529 | static FILE * |
f4dbf936 | 530 | create_file (void) |
0083c904 BK |
531 | { |
532 | int fd; | |
533 | FILE *pf; | |
534 | char fname[MAXPATHLEN]; | |
535 | ||
5abc1f74 | 536 | sprintf (fname, "%s/%s", pz_dest_dir, pz_curr_file + find_base_len); |
0083c904 | 537 | |
1f414ac4 | 538 | fd = open (fname, O_WRONLY | O_CREAT | O_TRUNC, S_IRALL); |
0083c904 | 539 | |
1f414ac4 | 540 | /* We may need to create the directories needed... */ |
0083c904 BK |
541 | if ((fd < 0) && (errno == ENOENT)) |
542 | { | |
1f414ac4 | 543 | char *pz_dir = strchr (fname + 1, '/'); |
0083c904 BK |
544 | struct stat stbf; |
545 | ||
1f414ac4 | 546 | while (pz_dir != (char *) NULL) |
0083c904 | 547 | { |
1f414ac4 | 548 | *pz_dir = NUL; |
0083c904 BK |
549 | if (stat (fname, &stbf) < 0) |
550 | { | |
f4a8f279 AL |
551 | #ifdef _WIN32 |
552 | mkdir (fname); | |
553 | #else | |
063174ee | 554 | mkdir (fname, S_IFDIR | S_DIRALL); |
f4a8f279 | 555 | #endif |
0083c904 BK |
556 | } |
557 | ||
1f414ac4 BK |
558 | *pz_dir = '/'; |
559 | pz_dir = strchr (pz_dir + 1, '/'); | |
0083c904 | 560 | } |
1f414ac4 BK |
561 | |
562 | /* Now, lets try the open again... */ | |
563 | fd = open (fname, O_WRONLY | O_CREAT | O_TRUNC, S_IRALL); | |
0083c904 BK |
564 | } |
565 | if (fd < 0) | |
566 | { | |
567 | fprintf (stderr, "Error %d (%s) creating %s\n", | |
f95e46b9 | 568 | errno, xstrerror (errno), fname); |
0083c904 BK |
569 | exit (EXIT_FAILURE); |
570 | } | |
b35926b9 BK |
571 | if (NOT_SILENT) |
572 | fprintf (stderr, "Fixed: %s\n", pz_curr_file); | |
0083c904 BK |
573 | pf = fdopen (fd, "w"); |
574 | ||
e02ecf39 BK |
575 | /* |
576 | * IF pz_machine is NULL, then we are in some sort of test mode. | |
577 | * Do not insert the current directory name. Use a constant string. | |
578 | */ | |
579 | fprintf (pf, z_std_preamble, | |
580 | (pz_machine == NULL) | |
581 | ? "fixinc/tests/inc" | |
582 | : pz_input_dir, | |
583 | pz_curr_file); | |
1f414ac4 | 584 | |
0083c904 BK |
585 | return pf; |
586 | } | |
587 | ||
0083c904 | 588 | |
1f414ac4 | 589 | /* * * * * * * * * * * * * |
0083c904 | 590 | |
1f414ac4 BK |
591 | test_test make sure a shell-style test expression passes. |
592 | Input: a pointer to the descriptor of the test to run and | |
593 | the name of the file that we might want to fix | |
5abc1f74 | 594 | Result: APPLY_FIX or SKIP_FIX, depending on the result of the |
1f414ac4 | 595 | shell script we run. */ |
283da1d3 | 596 | #ifndef SEPARATE_FIX_PROC |
6864a6c6 | 597 | static int |
f4dbf936 | 598 | test_test (tTestDesc* p_test, char* pz_test_file) |
1f414ac4 | 599 | { |
94db2f71 BK |
600 | tSCC cmd_fmt[] = |
601 | "file=%s\n\ | |
602 | if ( test %s ) > /dev/null 2>&1\n\ | |
603 | then echo TRUE\n\ | |
604 | else echo FALSE\n\ | |
605 | fi"; | |
606 | ||
1f414ac4 | 607 | char *pz_res; |
e9099386 | 608 | int res; |
1f414ac4 BK |
609 | |
610 | static char cmd_buf[4096]; | |
1f414ac4 | 611 | |
5abc1f74 | 612 | sprintf (cmd_buf, cmd_fmt, pz_test_file, p_test->pz_test_text); |
1f414ac4 | 613 | pz_res = run_shell (cmd_buf); |
e9099386 BK |
614 | |
615 | switch (*pz_res) { | |
616 | case 'T': | |
5abc1f74 | 617 | res = APPLY_FIX; |
e9099386 BK |
618 | break; |
619 | ||
620 | case 'F': | |
621 | res = SKIP_FIX; | |
622 | break; | |
623 | ||
624 | default: | |
625 | fprintf (stderr, "Script yielded bogus result of `%s':\n%s\n\n", | |
626 | pz_res, cmd_buf ); | |
9cdfc8e7 | 627 | res = SKIP_FIX; |
e9099386 BK |
628 | } |
629 | ||
1f414ac4 | 630 | free ((void *) pz_res); |
0083c904 BK |
631 | return res; |
632 | } | |
62a99405 BK |
633 | #else |
634 | /* | |
635 | * IF we are in MS-DOS land, then whatever shell-type test is required | |
636 | * will, by definition, fail | |
637 | */ | |
638 | #define test_test(t,tf) SKIP_FIX | |
639 | #endif | |
0083c904 | 640 | |
1f414ac4 | 641 | /* * * * * * * * * * * * * |
5abc1f74 | 642 | |
1f414ac4 BK |
643 | egrep_test make sure an egrep expression is found in the file text. |
644 | Input: a pointer to the descriptor of the test to run and | |
645 | the pointer to the contents of the file under suspicion | |
5abc1f74 | 646 | Result: APPLY_FIX if the pattern is found, SKIP_FIX otherwise |
1f414ac4 | 647 | |
5abc1f74 | 648 | The caller may choose to reverse meaning if the sense of the test |
1f414ac4 BK |
649 | is inverted. */ |
650 | ||
6864a6c6 | 651 | static int |
f4dbf936 | 652 | egrep_test (char* pz_data, tTestDesc* p_test) |
0083c904 | 653 | { |
5abc1f74 | 654 | #ifdef DEBUG |
1f414ac4 BK |
655 | if (p_test->p_test_regex == 0) |
656 | fprintf (stderr, "fixincl ERROR RE not compiled: `%s'\n", | |
657 | p_test->pz_test_text); | |
0083c904 | 658 | #endif |
ab747408 | 659 | if (xregexec (p_test->p_test_regex, pz_data, 0, 0, 0) == 0) |
5abc1f74 BK |
660 | return APPLY_FIX; |
661 | return SKIP_FIX; | |
0083c904 BK |
662 | } |
663 | ||
664 | ||
94db2f71 BK |
665 | /* * * * * * * * * * * * * |
666 | ||
667 | quoted_file_exists Make sure that a file exists before we emit | |
668 | the file name. If we emit the name, our invoking shell will try | |
669 | to copy a non-existing file into the destination directory. */ | |
670 | ||
6864a6c6 | 671 | static int |
f4dbf936 NN |
672 | quoted_file_exists (const char* pz_src_path, |
673 | const char* pz_file_path, | |
674 | const char* pz_file) | |
94db2f71 BK |
675 | { |
676 | char z[ MAXPATHLEN ]; | |
677 | char* pz; | |
678 | sprintf (z, "%s/%s/", pz_src_path, pz_file_path); | |
679 | pz = z + strlen ( z ); | |
680 | ||
681 | for (;;) { | |
682 | char ch = *pz_file++; | |
5abc1f74 | 683 | if (! ISGRAPH( ch )) |
94db2f71 BK |
684 | return 0; |
685 | if (ch == '"') | |
686 | break; | |
687 | *pz++ = ch; | |
688 | } | |
689 | *pz = '\0'; | |
690 | { | |
691 | struct stat s; | |
692 | if (stat (z, &s) != 0) | |
693 | return 0; | |
694 | return S_ISREG( s.st_mode ); | |
695 | } | |
696 | } | |
697 | ||
698 | ||
1f414ac4 BK |
699 | /* * * * * * * * * * * * * |
700 | * | |
701 | extract_quoted_files | |
5abc1f74 | 702 | |
1f414ac4 BK |
703 | The syntax, `#include "file.h"' specifies that the compiler is to |
704 | search the local directory of the current file before the include | |
705 | list. Consequently, if we have modified a header and stored it in | |
706 | another directory, any files that are included by that modified | |
707 | file in that fashion must also be copied into this new directory. | |
708 | This routine finds those flavors of #include and for each one found | |
709 | emits a triple of: | |
5abc1f74 | 710 | |
1f414ac4 BK |
711 | 1. source directory of the original file |
712 | 2. the relative path file name of the #includ-ed file | |
713 | 3. the full destination path for this file | |
714 | ||
715 | Input: the text of the file, the file name and a pointer to the | |
716 | match list where the match information was stored. | |
717 | Result: internally nothing. The results are written to stdout | |
718 | for interpretation by the invoking shell */ | |
0083c904 | 719 | |
94db2f71 | 720 | |
6864a6c6 | 721 | static void |
f4dbf936 NN |
722 | extract_quoted_files (char* pz_data, |
723 | const char* pz_fixed_file, | |
724 | regmatch_t* p_re_match) | |
0083c904 | 725 | { |
5abc1f74 | 726 | char *pz_dir_end = strrchr (pz_fixed_file, '/'); |
1f414ac4 | 727 | char *pz_incl_quot = pz_data; |
0083c904 | 728 | |
b35926b9 BK |
729 | if (VLEVEL( VERB_APPLIES )) |
730 | fprintf (stderr, "Quoted includes in %s\n", pz_fixed_file); | |
0083c904 | 731 | |
5abc1f74 | 732 | /* Set "pz_fixed_file" to point to the containing subdirectory of the source |
94db2f71 | 733 | If there is none, then it is in our current directory, ".". */ |
1f414ac4 BK |
734 | |
735 | if (pz_dir_end == (char *) NULL) | |
5abc1f74 | 736 | pz_fixed_file = "."; |
0083c904 | 737 | else |
1f414ac4 | 738 | *pz_dir_end = '\0'; |
0083c904 BK |
739 | |
740 | for (;;) | |
741 | { | |
1f414ac4 BK |
742 | pz_incl_quot += p_re_match->rm_so; |
743 | ||
744 | /* Skip forward to the included file name */ | |
f6bbde28 | 745 | while (*pz_incl_quot != '"') |
1f414ac4 | 746 | pz_incl_quot++; |
1f414ac4 | 747 | |
5abc1f74 | 748 | if (quoted_file_exists (pz_src_dir, pz_fixed_file, pz_incl_quot)) |
94db2f71 BK |
749 | { |
750 | /* Print the source directory and the subdirectory | |
751 | of the file in question. */ | |
5abc1f74 | 752 | printf ("%s %s/", pz_src_dir, pz_fixed_file); |
94db2f71 BK |
753 | pz_dir_end = pz_incl_quot; |
754 | ||
755 | /* Append to the directory the relative path of the desired file */ | |
756 | while (*pz_incl_quot != '"') | |
757 | putc (*pz_incl_quot++, stdout); | |
758 | ||
759 | /* Now print the destination directory appended with the | |
760 | relative path of the desired file */ | |
5abc1f74 | 761 | printf (" %s/%s/", pz_dest_dir, pz_fixed_file); |
94db2f71 BK |
762 | while (*pz_dir_end != '"') |
763 | putc (*pz_dir_end++, stdout); | |
764 | ||
765 | /* End of entry */ | |
766 | putc ('\n', stdout); | |
767 | } | |
0083c904 | 768 | |
1f414ac4 | 769 | /* Find the next entry */ |
ab747408 | 770 | if (xregexec (&incl_quote_re, pz_incl_quot, 1, p_re_match, 0) != 0) |
0083c904 BK |
771 | break; |
772 | } | |
773 | } | |
774 | ||
775 | ||
5abc1f74 BK |
776 | /* * * * * * * * * * * * * |
777 | ||
778 | Somebody wrote a *_fix subroutine that we must call. | |
779 | */ | |
283da1d3 | 780 | #ifndef SEPARATE_FIX_PROC |
6864a6c6 | 781 | static int |
f4dbf936 | 782 | internal_fix (int read_fd, tFixDesc* p_fixd) |
5abc1f74 BK |
783 | { |
784 | int fd[2]; | |
785 | ||
786 | if (pipe( fd ) != 0) | |
787 | { | |
788 | fprintf (stderr, "Error %d on pipe(2) call\n", errno ); | |
789 | exit (EXIT_FAILURE); | |
790 | } | |
791 | ||
792 | for (;;) | |
793 | { | |
794 | pid_t childid = fork(); | |
795 | ||
796 | switch (childid) | |
797 | { | |
798 | case -1: | |
799 | break; | |
800 | ||
801 | case 0: | |
802 | close (fd[0]); | |
803 | goto do_child_task; | |
804 | ||
805 | default: | |
806 | /* | |
807 | * Parent process | |
808 | */ | |
809 | close (read_fd); | |
810 | close (fd[1]); | |
811 | return fd[0]; | |
812 | } | |
813 | ||
814 | /* | |
815 | * Parent in error | |
816 | */ | |
f95e46b9 | 817 | fprintf (stderr, z_fork_err, errno, xstrerror (errno), |
5abc1f74 BK |
818 | p_fixd->fix_name); |
819 | { | |
820 | static int failCt = 0; | |
821 | if ((errno != EAGAIN) || (++failCt > 10)) | |
822 | exit (EXIT_FAILURE); | |
823 | sleep (1); | |
824 | } | |
825 | } do_child_task:; | |
826 | ||
827 | /* | |
828 | * Close our current stdin and stdout | |
829 | */ | |
830 | close (STDIN_FILENO); | |
831 | close (STDOUT_FILENO); | |
832 | UNLOAD_DATA(); | |
833 | ||
834 | /* | |
835 | * Make the fd passed in the stdin, and the write end of | |
836 | * the new pipe become the stdout. | |
837 | */ | |
f4a8f279 AL |
838 | dup2 (fd[1], STDOUT_FILENO); |
839 | dup2 (read_fd, STDIN_FILENO); | |
5abc1f74 | 840 | |
35dfe415 | 841 | apply_fix (p_fixd, pz_curr_file); |
5abc1f74 BK |
842 | exit (0); |
843 | } | |
283da1d3 | 844 | #endif /* !SEPARATE_FIX_PROC */ |
62a99405 BK |
845 | |
846 | ||
283da1d3 | 847 | #ifdef SEPARATE_FIX_PROC |
62a99405 | 848 | static void |
f4dbf936 NN |
849 | fix_with_system (tFixDesc* p_fixd, |
850 | tCC* pz_fix_file, | |
851 | tCC* pz_file_source, | |
852 | tCC* pz_temp_file) | |
62a99405 BK |
853 | { |
854 | char* pz_cmd; | |
855 | char* pz_scan; | |
856 | size_t argsize; | |
857 | ||
858 | if (p_fixd->fd_flags & FD_SUBROUTINE) | |
43c1b5d2 BK |
859 | { |
860 | static const char z_applyfix_prog[] = | |
861 | "/../fixincludes/applyfix" EXE_EXT; | |
862 | ||
863 | struct stat buf; | |
864 | argsize = 32 | |
865 | + strlen (pz_orig_dir) | |
866 | + sizeof (z_applyfix_prog) | |
867 | + strlen (pz_fix_file) | |
868 | + strlen (pz_file_source) | |
869 | + strlen (pz_temp_file); | |
870 | ||
871 | /* Allocate something sure to be big enough for our purposes */ | |
03a9fcb8 | 872 | pz_cmd = XNEWVEC (char, argsize); |
43c1b5d2 BK |
873 | strcpy (pz_cmd, pz_orig_dir); |
874 | pz_scan = pz_cmd + strlen (pz_orig_dir); | |
875 | ||
876 | strcpy (pz_scan, z_applyfix_prog); | |
877 | ||
878 | /* IF we can't find the "applyfix" executable file at the first guess, | |
879 | try one level higher up */ | |
880 | if (stat (pz_cmd, &buf) == -1) | |
881 | { | |
882 | strcpy (pz_scan, "/.."); | |
883 | strcpy (pz_scan+3, z_applyfix_prog); | |
884 | } | |
885 | ||
886 | pz_scan += strlen (pz_scan); | |
887 | ||
888 | /* | |
889 | * Now add the fix number and file names that may be needed | |
890 | */ | |
ecb0d20e | 891 | sprintf (pz_scan, " %ld '%s' '%s' '%s'", p_fixd - fixDescList, |
43c1b5d2 BK |
892 | pz_fix_file, pz_file_source, pz_temp_file); |
893 | } | |
62a99405 BK |
894 | else /* NOT an "internal" fix: */ |
895 | { | |
896 | size_t parg_size; | |
283da1d3 | 897 | #ifdef __MSDOS__ |
62a99405 | 898 | /* Don't use the "src > dstX; rm -f dst; mv -f dstX dst" trick: |
283da1d3 DB |
899 | dst is a temporary file anyway, so we know there's no other |
900 | file by that name; and DOS's system(3) doesn't mind to | |
dc13bad7 EZ |
901 | clobber existing file in redirection. Besides, with DOS 8+3 |
902 | limited file namespace, we can easily lose if dst already has | |
903 | an extension that is 3 or more characters long. | |
283da1d3 DB |
904 | |
905 | I do not think the 8+3 issue is relevant because all the files | |
906 | we operate on are named "*.h", making 8+2 adequate. Anyway, | |
907 | the following bizarre use of 'cat' only works on DOS boxes. | |
908 | It causes the file to be dropped into a temporary file for | |
dc13bad7 | 909 | 'cat' to read (pipes do not work on DOS). */ |
ecb0d20e | 910 | tSCC z_cmd_fmt[] = " '%s' | cat > '%s'"; |
283da1d3 DB |
911 | #else |
912 | /* Don't use positional formatting arguments because some lame-o | |
913 | implementations cannot cope :-(. */ | |
914 | tSCC z_cmd_fmt[] = " %s > %sX ; rm -f %s; mv -f %sX %s"; | |
915 | #endif | |
62a99405 BK |
916 | tCC** ppArgs = p_fixd->patch_args; |
917 | ||
918 | argsize = sizeof( z_cmd_fmt ) + strlen( pz_temp_file ) | |
919 | + strlen( pz_file_source ); | |
920 | parg_size = argsize; | |
921 | ||
922 | ||
923 | /* | |
924 | * Compute the size of the command line. Add lotsa extra space | |
925 | * because some of the args to sed use lotsa single quotes. | |
926 | * (This requires three extra bytes per quote. Here we allow | |
927 | * for up to 8 single quotes for each argument, including the | |
928 | * command name "sed" itself. Nobody will *ever* need more. :) | |
929 | */ | |
930 | for (;;) | |
931 | { | |
932 | tCC* p_arg = *(ppArgs++); | |
933 | if (p_arg == NULL) | |
934 | break; | |
935 | argsize += 24 + strlen( p_arg ); | |
936 | } | |
937 | ||
938 | /* Estimated buffer size we will need. */ | |
03a9fcb8 | 939 | pz_scan = pz_cmd = XNEWVEC (char, argsize); |
62a99405 BK |
940 | /* How much of it do we allot to the program name and its |
941 | arguments. */ | |
942 | parg_size = argsize - parg_size; | |
943 | ||
944 | ppArgs = p_fixd->patch_args; | |
945 | ||
946 | /* | |
947 | * Copy the program name, unquoted | |
948 | */ | |
949 | { | |
950 | tCC* pArg = *(ppArgs++); | |
951 | for (;;) | |
952 | { | |
953 | char ch = *(pArg++); | |
954 | if (ch == NUL) | |
955 | break; | |
956 | *(pz_scan++) = ch; | |
957 | } | |
958 | } | |
959 | ||
960 | /* | |
961 | * Copy the program arguments, quoted | |
962 | */ | |
963 | for (;;) | |
964 | { | |
965 | tCC* pArg = *(ppArgs++); | |
966 | char* pz_scan_save; | |
967 | if (pArg == NULL) | |
968 | break; | |
969 | *(pz_scan++) = ' '; | |
970 | pz_scan = make_raw_shell_str( pz_scan_save = pz_scan, pArg, | |
971 | parg_size - (pz_scan - pz_cmd) ); | |
972 | /* | |
973 | * Make sure we don't overflow the buffer due to sloppy | |
974 | * size estimation. | |
975 | */ | |
976 | while (pz_scan == (char*)NULL) | |
977 | { | |
978 | size_t already_filled = pz_scan_save - pz_cmd; | |
c68b0a84 | 979 | pz_cmd = xrealloc (pz_cmd, argsize += 100); |
62a99405 BK |
980 | pz_scan_save = pz_scan = pz_cmd + already_filled; |
981 | parg_size += 100; | |
982 | pz_scan = make_raw_shell_str( pz_scan, pArg, | |
983 | parg_size - (pz_scan - pz_cmd) ); | |
984 | } | |
985 | } | |
986 | ||
987 | /* | |
988 | * add the file machinations. | |
989 | */ | |
6047d503 | 990 | #ifdef __MSDOS__ |
283da1d3 DB |
991 | sprintf (pz_scan, z_cmd_fmt, pz_file_source, pz_temp_file ); |
992 | #else | |
993 | sprintf (pz_scan, z_cmd_fmt, pz_file_source, pz_temp_file, | |
994 | pz_temp_file, pz_temp_file, pz_temp_file); | |
995 | #endif | |
62a99405 BK |
996 | } |
997 | system( pz_cmd ); | |
998 | free( (void*)pz_cmd ); | |
999 | } | |
bb786201 BK |
1000 | |
1001 | /* * * * * * * * * * * * * | |
1002 | ||
1003 | This loop should only cycle for 1/2 of one loop. | |
1004 | "chain_open" starts a process that uses "read_fd" as | |
1005 | its stdin and returns the new fd this process will use | |
1006 | for stdout. */ | |
1007 | ||
283da1d3 | 1008 | #else /* is *NOT* SEPARATE_FIX_PROC */ |
6864a6c6 | 1009 | static int |
f4dbf936 | 1010 | start_fixer (int read_fd, tFixDesc* p_fixd, char* pz_fix_file) |
bb786201 | 1011 | { |
bb786201 BK |
1012 | tCC* pz_cmd_save; |
1013 | char* pz_cmd; | |
1014 | ||
5abc1f74 BK |
1015 | if ((p_fixd->fd_flags & FD_SUBROUTINE) != 0) |
1016 | return internal_fix (read_fd, p_fixd); | |
1017 | ||
bb786201 | 1018 | if ((p_fixd->fd_flags & FD_SHELL_SCRIPT) == 0) |
9cdfc8e7 JM |
1019 | { |
1020 | pz_cmd = NULL; | |
1021 | pz_cmd_save = NULL; | |
1022 | } | |
bb786201 BK |
1023 | else |
1024 | { | |
1025 | tSCC z_cmd_fmt[] = "file='%s'\n%s"; | |
03a9fcb8 | 1026 | pz_cmd = XNEWVEC (char, strlen (p_fixd->patch_args[2]) |
c68b0a84 | 1027 | + sizeof (z_cmd_fmt) + strlen (pz_fix_file)); |
5abc1f74 | 1028 | sprintf (pz_cmd, z_cmd_fmt, pz_fix_file, p_fixd->patch_args[2]); |
bb786201 BK |
1029 | pz_cmd_save = p_fixd->patch_args[2]; |
1030 | p_fixd->patch_args[2] = pz_cmd; | |
1031 | } | |
1032 | ||
b35926b9 BK |
1033 | /* Start a fix process, handing off the previous read fd for its |
1034 | stdin and getting a new fd that reads from the fix process' stdout. | |
1035 | We normally will not loop, but we will up to 10 times if we keep | |
1036 | getting "EAGAIN" errors. | |
1037 | ||
1038 | */ | |
bb786201 BK |
1039 | for (;;) |
1040 | { | |
1041 | static int failCt = 0; | |
1042 | int fd; | |
1043 | ||
1044 | fd = chain_open (read_fd, | |
2629a114 | 1045 | (tCC **) p_fixd->patch_args, |
bb786201 BK |
1046 | (process_chain_head == -1) |
1047 | ? &process_chain_head : (pid_t *) NULL); | |
1048 | ||
1049 | if (fd != -1) | |
1050 | { | |
1051 | read_fd = fd; | |
1052 | break; | |
1053 | } | |
1054 | ||
f95e46b9 | 1055 | fprintf (stderr, z_fork_err, errno, xstrerror (errno), |
bb786201 BK |
1056 | p_fixd->fix_name); |
1057 | ||
1058 | if ((errno != EAGAIN) || (++failCt > 10)) | |
1059 | exit (EXIT_FAILURE); | |
1060 | sleep (1); | |
1061 | } | |
1062 | ||
b35926b9 BK |
1063 | /* IF we allocated a shell script command, |
1064 | THEN free it and restore the command format to the fix description */ | |
bb786201 BK |
1065 | if (pz_cmd != (char*)NULL) |
1066 | { | |
1067 | free ((void*)pz_cmd); | |
1068 | p_fixd->patch_args[2] = pz_cmd_save; | |
1069 | } | |
1070 | ||
1071 | return read_fd; | |
1072 | } | |
62a99405 | 1073 | #endif |
bb786201 | 1074 | |
5abc1f74 | 1075 | |
1f414ac4 BK |
1076 | /* * * * * * * * * * * * * |
1077 | ||
1078 | Process the potential fixes for a particular include file. | |
1079 | Input: the original text of the file and the file's name | |
1080 | Result: none. A new file may or may not be created. */ | |
1081 | ||
6864a6c6 | 1082 | static t_bool |
f4dbf936 | 1083 | fix_applies (tFixDesc* p_fixd) |
0083c904 | 1084 | { |
ae5c839b ZW |
1085 | const char *pz_fname = pz_curr_file; |
1086 | const char *pz_scan = p_fixd->file_list; | |
5abc1f74 BK |
1087 | int test_ct; |
1088 | tTestDesc *p_test; | |
0083c904 | 1089 | |
283da1d3 | 1090 | # ifdef SEPARATE_FIX_PROC |
62a99405 BK |
1091 | /* |
1092 | * There is only one fix that uses a shell script as of this writing. | |
1093 | * I hope to nuke it anyway, it does not apply to DOS and it would | |
1094 | * be painful to implement. Therefore, no "shell" fixes for DOS. | |
1095 | */ | |
1096 | if (p_fixd->fd_flags & (FD_SHELL_SCRIPT | FD_SKIP_TEST)) | |
1097 | return BOOL_FALSE; | |
1098 | # else | |
5abc1f74 BK |
1099 | if (p_fixd->fd_flags & FD_SKIP_TEST) |
1100 | return BOOL_FALSE; | |
62a99405 | 1101 | # endif |
0083c904 | 1102 | |
5abc1f74 BK |
1103 | /* IF there is a file name restriction, |
1104 | THEN ensure the current file name matches one in the pattern */ | |
1105 | ||
ae5c839b | 1106 | if (pz_scan != (char *) NULL) |
5abc1f74 | 1107 | { |
5abc1f74 | 1108 | size_t name_len; |
0083c904 | 1109 | |
5abc1f74 BK |
1110 | while ((pz_fname[0] == '.') && (pz_fname[1] == '/')) |
1111 | pz_fname += 2; | |
1112 | name_len = strlen (pz_fname); | |
1f414ac4 | 1113 | |
5abc1f74 | 1114 | for (;;) |
0083c904 | 1115 | { |
5abc1f74 BK |
1116 | pz_scan = strstr (pz_scan + 1, pz_fname); |
1117 | /* IF we can't match the string at all, | |
1118 | THEN bail */ | |
62a99405 | 1119 | if (pz_scan == (char *) NULL) |
5abc1f74 | 1120 | return BOOL_FALSE; |
0083c904 | 1121 | |
5abc1f74 BK |
1122 | /* IF the match is surrounded by the '|' markers, |
1123 | THEN we found a full match -- time to run the tests */ | |
0083c904 | 1124 | |
5abc1f74 BK |
1125 | if ((pz_scan[-1] == '|') && (pz_scan[name_len] == '|')) |
1126 | break; | |
1127 | } | |
1128 | } | |
0083c904 | 1129 | |
5abc1f74 BK |
1130 | /* FOR each test, see if it fails. |
1131 | IF it does fail, then we go on to the next test */ | |
1f414ac4 | 1132 | |
5abc1f74 BK |
1133 | for (p_test = p_fixd->p_test_desc, test_ct = p_fixd->test_ct; |
1134 | test_ct-- > 0; | |
1135 | p_test++) | |
1136 | { | |
1137 | switch (p_test->type) | |
1138 | { | |
1139 | case TT_TEST: | |
b35926b9 BK |
1140 | if (test_test (p_test, pz_curr_file) != APPLY_FIX) { |
1141 | #ifdef DEBUG | |
1142 | if (VLEVEL( VERB_EVERYTHING )) | |
e9099386 BK |
1143 | fprintf (stderr, z_failed, "TEST", p_fixd->fix_name, |
1144 | pz_fname, p_fixd->test_ct - test_ct); | |
b35926b9 | 1145 | #endif |
5abc1f74 | 1146 | return BOOL_FALSE; |
b35926b9 | 1147 | } |
5abc1f74 BK |
1148 | break; |
1149 | ||
1150 | case TT_EGREP: | |
b35926b9 BK |
1151 | if (egrep_test (pz_curr_data, p_test) != APPLY_FIX) { |
1152 | #ifdef DEBUG | |
1153 | if (VLEVEL( VERB_EVERYTHING )) | |
e9099386 BK |
1154 | fprintf (stderr, z_failed, "EGREP", p_fixd->fix_name, |
1155 | pz_fname, p_fixd->test_ct - test_ct); | |
b35926b9 | 1156 | #endif |
5abc1f74 | 1157 | return BOOL_FALSE; |
b35926b9 | 1158 | } |
5abc1f74 BK |
1159 | break; |
1160 | ||
1161 | case TT_NEGREP: | |
b35926b9 BK |
1162 | if (egrep_test (pz_curr_data, p_test) == APPLY_FIX) { |
1163 | #ifdef DEBUG | |
1164 | if (VLEVEL( VERB_EVERYTHING )) | |
e9099386 BK |
1165 | fprintf (stderr, z_failed, "NEGREP", p_fixd->fix_name, |
1166 | pz_fname, p_fixd->test_ct - test_ct); | |
b35926b9 | 1167 | #endif |
5abc1f74 BK |
1168 | /* Negated sense */ |
1169 | return BOOL_FALSE; | |
b35926b9 | 1170 | } |
5abc1f74 BK |
1171 | break; |
1172 | ||
1173 | case TT_FUNCTION: | |
1174 | if (run_test (p_test->pz_test_text, pz_curr_file, pz_curr_data) | |
b35926b9 BK |
1175 | != APPLY_FIX) { |
1176 | #ifdef DEBUG | |
1177 | if (VLEVEL( VERB_EVERYTHING )) | |
e9099386 BK |
1178 | fprintf (stderr, z_failed, "FTEST", p_fixd->fix_name, |
1179 | pz_fname, p_fixd->test_ct - test_ct); | |
b35926b9 | 1180 | #endif |
5abc1f74 | 1181 | return BOOL_FALSE; |
b35926b9 | 1182 | } |
5abc1f74 | 1183 | break; |
0083c904 | 1184 | } |
5abc1f74 | 1185 | } |
0083c904 | 1186 | |
5abc1f74 BK |
1187 | return BOOL_TRUE; |
1188 | } | |
0083c904 | 1189 | |
0083c904 | 1190 | |
5abc1f74 BK |
1191 | /* * * * * * * * * * * * * |
1192 | ||
1193 | Write out a replacement file */ | |
1194 | ||
6864a6c6 | 1195 | static void |
f4dbf936 | 1196 | write_replacement (tFixDesc* p_fixd) |
5abc1f74 BK |
1197 | { |
1198 | const char* pz_text = p_fixd->patch_args[0]; | |
1199 | ||
1200 | if ((pz_text == (char*)NULL) || (*pz_text == NUL)) | |
1201 | return; | |
1202 | ||
1203 | { | |
6864a6c6 | 1204 | FILE* out_fp = create_file (); |
66f788b0 BK |
1205 | size_t sz = strlen (pz_text); |
1206 | fwrite (pz_text, sz, 1, out_fp); | |
1207 | if (pz_text[ sz-1 ] != '\n') | |
1208 | fputc ('\n', out_fp); | |
5abc1f74 BK |
1209 | fclose (out_fp); |
1210 | } | |
1211 | } | |
1212 | ||
1213 | ||
1214 | /* * * * * * * * * * * * * | |
1215 | ||
1216 | We have work to do. Read back in the output | |
1217 | of the filtering chain. Compare each byte as we read it with | |
1218 | the contents of the original file. As soon as we find any | |
1219 | difference, we will create the output file, write out all | |
1220 | the matched text and then copy any remaining data from the | |
1221 | output of the filter chain. | |
1222 | */ | |
6864a6c6 | 1223 | static void |
f4dbf936 | 1224 | test_for_changes (int read_fd) |
5abc1f74 BK |
1225 | { |
1226 | FILE *in_fp = fdopen (read_fd, "r"); | |
1227 | FILE *out_fp = (FILE *) NULL; | |
90376ae2 | 1228 | unsigned char *pz_cmp = (unsigned char*)pz_curr_data; |
5abc1f74 BK |
1229 | |
1230 | #ifdef DO_STATS | |
1231 | fixed_ct++; | |
1f414ac4 | 1232 | #endif |
5abc1f74 BK |
1233 | for (;;) |
1234 | { | |
1235 | int ch; | |
0083c904 | 1236 | |
5abc1f74 BK |
1237 | ch = getc (in_fp); |
1238 | if (ch == EOF) | |
1239 | break; | |
90376ae2 | 1240 | ch &= 0xFF; /* all bytes are 8 bits */ |
5abc1f74 BK |
1241 | |
1242 | /* IF we are emitting the output | |
1243 | THEN emit this character, too. | |
1244 | */ | |
1245 | if (out_fp != (FILE *) NULL) | |
1246 | putc (ch, out_fp); | |
1247 | ||
1248 | /* ELSE if this character does not match the original, | |
1249 | THEN now is the time to start the output. | |
1250 | */ | |
1251 | else if (ch != *pz_cmp) | |
1252 | { | |
6864a6c6 | 1253 | out_fp = create_file (); |
5abc1f74 BK |
1254 | |
1255 | #ifdef DO_STATS | |
1256 | altered_ct++; | |
1f414ac4 | 1257 | #endif |
5abc1f74 | 1258 | /* IF there are matched data, write the matched part now. */ |
c8b0c191 BK |
1259 | if ((char*)pz_cmp != pz_curr_data) |
1260 | fwrite (pz_curr_data, (size_t)((char*)pz_cmp - pz_curr_data), | |
1261 | 1, out_fp); | |
5abc1f74 BK |
1262 | |
1263 | /* Emit the current unmatching character */ | |
1264 | putc (ch, out_fp); | |
0083c904 | 1265 | } |
5abc1f74 BK |
1266 | else |
1267 | /* ELSE the character matches. Advance the compare ptr */ | |
1268 | pz_cmp++; | |
1269 | } | |
1270 | ||
1271 | /* IF we created the output file, ... */ | |
1272 | if (out_fp != (FILE *) NULL) | |
1273 | { | |
1274 | regmatch_t match; | |
1275 | ||
1276 | /* Close the file and see if we have to worry about | |
1277 | `#include "file.h"' constructs. */ | |
1278 | fclose (out_fp); | |
ab747408 | 1279 | if (xregexec (&incl_quote_re, pz_curr_data, 1, &match, 0) == 0) |
5abc1f74 BK |
1280 | extract_quoted_files (pz_curr_data, pz_curr_file, &match); |
1281 | } | |
1282 | ||
1283 | fclose (in_fp); | |
1284 | close (read_fd); /* probably redundant, but I'm paranoid */ | |
1285 | } | |
1286 | ||
1287 | ||
1288 | /* * * * * * * * * * * * * | |
1289 | ||
1290 | Process the potential fixes for a particular include file. | |
1291 | Input: the original text of the file and the file's name | |
1292 | Result: none. A new file may or may not be created. */ | |
1293 | ||
1294 | void | |
f4dbf936 | 1295 | process (void) |
5abc1f74 | 1296 | { |
5abc1f74 BK |
1297 | tFixDesc *p_fixd = fixDescList; |
1298 | int todo_ct = FIX_COUNT; | |
1299 | int read_fd = -1; | |
283da1d3 | 1300 | # ifndef SEPARATE_FIX_PROC |
5abc1f74 | 1301 | int num_children = 0; |
283da1d3 | 1302 | # else /* is SEPARATE_FIX_PROC */ |
62a99405 BK |
1303 | char* pz_file_source = pz_curr_file; |
1304 | # endif | |
5abc1f74 BK |
1305 | |
1306 | if (access (pz_curr_file, R_OK) != 0) | |
1307 | { | |
1308 | int erno = errno; | |
1309 | fprintf (stderr, "Cannot access %s from %s\n\terror %d (%s)\n", | |
1310 | pz_curr_file, getcwd ((char *) NULL, MAXPATHLEN), | |
f95e46b9 | 1311 | erno, xstrerror (erno)); |
5abc1f74 BK |
1312 | return; |
1313 | } | |
1314 | ||
1315 | pz_curr_data = load_file (pz_curr_file); | |
1316 | if (pz_curr_data == (char *) NULL) | |
1317 | return; | |
1318 | ||
1319 | #ifdef DO_STATS | |
1320 | process_ct++; | |
1321 | #endif | |
d7eb5a45 | 1322 | if (VLEVEL( VERB_PROGRESS ) && have_tty) |
1c99d804 RH |
1323 | fprintf (stderr, "%6lu %-50s \r", |
1324 | (unsigned long) data_map_size, pz_curr_file); | |
5abc1f74 | 1325 | |
283da1d3 | 1326 | # ifndef SEPARATE_FIX_PROC |
5abc1f74 BK |
1327 | process_chain_head = NOPROCESS; |
1328 | ||
1329 | /* For every fix in our fix list, ... */ | |
1330 | for (; todo_ct > 0; p_fixd++, todo_ct--) | |
1331 | { | |
1332 | if (! fix_applies (p_fixd)) | |
1333 | continue; | |
0083c904 | 1334 | |
b35926b9 BK |
1335 | if (VLEVEL( VERB_APPLIES )) |
1336 | fprintf (stderr, "Applying %-24s to %s\n", | |
1337 | p_fixd->fix_name, pz_curr_file); | |
5abc1f74 BK |
1338 | |
1339 | if (p_fixd->fd_flags & FD_REPLACEMENT) | |
1340 | { | |
1341 | write_replacement (p_fixd); | |
1342 | UNLOAD_DATA(); | |
1343 | return; | |
1344 | } | |
1f414ac4 BK |
1345 | |
1346 | /* IF we do not have a read pointer, | |
1347 | THEN this is the first fix for the current file. | |
1348 | Open the source file. That will be used as stdin for | |
1349 | the first fix. Any subsequent fixes will use the | |
5abc1f74 | 1350 | stdout descriptor of the previous fix for its stdin. */ |
0083c904 | 1351 | |
48ac9ce2 | 1352 | if (read_fd == -1) |
1f414ac4 | 1353 | { |
5abc1f74 | 1354 | read_fd = open (pz_curr_file, O_RDONLY); |
48ac9ce2 | 1355 | if (read_fd < 0) |
0083c904 | 1356 | { |
1f414ac4 | 1357 | fprintf (stderr, "Error %d (%s) opening %s\n", errno, |
f95e46b9 | 1358 | xstrerror (errno), pz_curr_file); |
1f414ac4 | 1359 | exit (EXIT_FAILURE); |
0083c904 | 1360 | } |
5abc1f74 BK |
1361 | |
1362 | /* Ensure we do not get duplicate output */ | |
1363 | ||
1364 | fflush (stdout); | |
1f414ac4 | 1365 | } |
0083c904 | 1366 | |
5abc1f74 | 1367 | read_fd = start_fixer (read_fd, p_fixd, pz_curr_file); |
bb786201 | 1368 | num_children++; |
0083c904 BK |
1369 | } |
1370 | ||
5abc1f74 BK |
1371 | /* IF we have a read-back file descriptor, |
1372 | THEN check for changes and write output if changed. */ | |
1f414ac4 | 1373 | |
5abc1f74 BK |
1374 | if (read_fd >= 0) |
1375 | { | |
1376 | test_for_changes (read_fd); | |
1377 | #ifdef DO_STATS | |
1378 | apply_ct += num_children; | |
1379 | #endif | |
1380 | /* Wait for child processes created by chain_open() | |
1381 | to avoid leaving zombies. */ | |
1382 | do { | |
1383 | wait ((int *) NULL); | |
1384 | } while (--num_children > 0); | |
1385 | } | |
9f8eec39 | 1386 | |
283da1d3 | 1387 | # else /* is SEPARATE_FIX_PROC */ |
62a99405 BK |
1388 | |
1389 | for (; todo_ct > 0; p_fixd++, todo_ct--) | |
1390 | { | |
1391 | if (! fix_applies (p_fixd)) | |
1392 | continue; | |
1393 | ||
1394 | if (VLEVEL( VERB_APPLIES )) | |
1395 | fprintf (stderr, "Applying %-24s to %s\n", | |
1396 | p_fixd->fix_name, pz_curr_file); | |
1397 | ||
1398 | if (p_fixd->fd_flags & FD_REPLACEMENT) | |
1399 | { | |
1400 | write_replacement (p_fixd); | |
1401 | UNLOAD_DATA(); | |
1402 | return; | |
1403 | } | |
1404 | fix_with_system (p_fixd, pz_curr_file, pz_file_source, pz_temp_file); | |
1405 | pz_file_source = pz_temp_file; | |
1406 | } | |
1407 | ||
283da1d3 DB |
1408 | read_fd = open (pz_temp_file, O_RDONLY); |
1409 | if (read_fd < 0) | |
1410 | { | |
ca21b4a5 BK |
1411 | if (errno != ENOENT) |
1412 | fprintf (stderr, "error %d (%s) opening output (%s) for read\n", | |
1413 | errno, xstrerror (errno), pz_temp_file); | |
283da1d3 DB |
1414 | } |
1415 | else | |
1416 | { | |
1417 | test_for_changes (read_fd); | |
1418 | /* Unlinking a file while it is still open is a Bad Idea on | |
1419 | DOS/Windows. */ | |
1420 | close (read_fd); | |
1421 | unlink (pz_temp_file); | |
1422 | } | |
62a99405 BK |
1423 | |
1424 | # endif | |
5abc1f74 | 1425 | UNLOAD_DATA(); |
0083c904 | 1426 | } |