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Commit | Line | Data |
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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 | |
748086b7 JJ |
5 | Copyright (C) 1997, 1998, 1999, 2000, 2004, 2009 |
6 | Free Software Foundation, Inc. | |
1f414ac4 | 7 | |
6e6a1681 | 8 | This file is part of GCC. |
1f414ac4 | 9 | |
6e6a1681 | 10 | GCC is free software; you can redistribute it and/or modify |
1f414ac4 | 11 | it under the terms of the GNU General Public License as published by |
748086b7 | 12 | the Free Software Foundation; either version 3, or (at your option) |
1f414ac4 BK |
13 | any later version. |
14 | ||
6e6a1681 | 15 | GCC is distributed in the hope that it will be useful, |
1f414ac4 BK |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
748086b7 | 18 | GNU General Public License for more details. |
1f414ac4 BK |
19 | |
20 | You should have received a copy of the GNU General Public License | |
748086b7 JJ |
21 | along with GCC; see the file COPYING3. If not see |
22 | <http://www.gnu.org/licenses/>. */ | |
1f414ac4 | 23 | |
5abc1f74 BK |
24 | #include "fixlib.h" |
25 | ||
401be4b6 | 26 | #include <fnmatch.h> |
ad643a75 | 27 | #include <sys/stat.h> |
8ba8f7e5 | 28 | #ifndef SEPARATE_FIX_PROC |
03a9fcb8 | 29 | #include <sys/wait.h> |
8ba8f7e5 | 30 | #endif |
ad643a75 | 31 | |
1e570a6a | 32 | #if defined( HAVE_MMAP_FILE ) |
99d525c9 PDM |
33 | #include <sys/mman.h> |
34 | #define BAD_ADDR ((void*)-1) | |
35 | #endif | |
1f414ac4 | 36 | |
283da1d3 | 37 | #ifndef SEPARATE_FIX_PROC |
0083c904 | 38 | #include "server.h" |
62a99405 | 39 | #endif |
0083c904 | 40 | |
5abc1f74 BK |
41 | /* The contents of this string are not very important. It is mostly |
42 | just used as part of the "I am alive and working" test. */ | |
0083c904 | 43 | |
5abc1f74 | 44 | static const char program_id[] = "fixincl version 1.1"; |
0083c904 | 45 | |
e02ecf39 BK |
46 | /* This format will be used at the start of every generated file */ |
47 | ||
48 | static const char z_std_preamble[] = | |
49 | "/* DO NOT EDIT THIS FILE.\n\n\ | |
50 | It has been auto-edited by fixincludes from:\n\n\ | |
51 | \t\"%s/%s\"\n\n\ | |
52 | This had to be done to correct non-standard usages in the\n\ | |
53 | original, manufacturer supplied header file. */\n\n"; | |
54 | ||
7d9ccd90 | 55 | int find_base_len = 0; |
1f414ac4 | 56 | |
b35926b9 BK |
57 | typedef enum { |
58 | VERB_SILENT = 0, | |
59 | VERB_FIXES, | |
60 | VERB_APPLIES, | |
61 | VERB_PROGRESS, | |
62 | VERB_TESTS, | |
63 | VERB_EVERYTHING | |
64 | } te_verbose; | |
65 | ||
66 | te_verbose verbose_level = VERB_PROGRESS; | |
d7eb5a45 | 67 | int have_tty = 0; |
b35926b9 | 68 | |
dbbbbf3b | 69 | #define VLEVEL(l) ((unsigned int) verbose_level >= (unsigned int) l) |
b35926b9 BK |
70 | #define NOT_SILENT VLEVEL(VERB_FIXES) |
71 | ||
1f414ac4 BK |
72 | pid_t process_chain_head = (pid_t) -1; |
73 | ||
5abc1f74 BK |
74 | char* pz_curr_file; /* name of the current file under test/fix */ |
75 | char* pz_curr_data; /* original contents of that file */ | |
62a99405 BK |
76 | char* pz_temp_file; /* for DOS, a place to stash the temporary |
77 | fixed data between system(3) calls */ | |
5abc1f74 BK |
78 | t_bool curr_data_mapped; |
79 | int data_map_fd; | |
80 | size_t data_map_size; | |
81 | size_t ttl_data_size = 0; | |
e02ecf39 | 82 | |
5abc1f74 BK |
83 | #ifdef DO_STATS |
84 | int process_ct = 0; | |
85 | int apply_ct = 0; | |
86 | int fixed_ct = 0; | |
87 | int altered_ct = 0; | |
88 | #endif /* DO_STATS */ | |
89 | ||
1f414ac4 | 90 | const char incl_quote_pat[] = "^[ \t]*#[ \t]*include[ \t]*\"[^/]"; |
5abc1f74 | 91 | tSCC z_fork_err[] = "Error %d (%s) starting filter process for %s\n"; |
1f414ac4 BK |
92 | regex_t incl_quote_re; |
93 | ||
f4dbf936 NN |
94 | static void do_version (void) ATTRIBUTE_NORETURN; |
95 | char *load_file (const char *); | |
96 | void run_compiles (void); | |
97 | void initialize (int argc, char** argv); | |
98 | void process (void); | |
5abc1f74 BK |
99 | |
100 | /* External Source Code */ | |
0083c904 BK |
101 | |
102 | #include "fixincl.x" | |
103 | ||
1f414ac4 BK |
104 | /* * * * * * * * * * * * * * * * * * * |
105 | * | |
106 | * MAIN ROUTINE | |
107 | */ | |
f4dbf936 | 108 | extern int main (int, char **); |
0083c904 | 109 | int |
f4dbf936 | 110 | main (int argc, char** argv) |
0083c904 | 111 | { |
5abc1f74 | 112 | char *file_name_buf; |
0083c904 | 113 | |
35dfe415 | 114 | initialize ( argc, argv ); |
d1c6a037 | 115 | |
d7eb5a45 ZW |
116 | have_tty = isatty (fileno (stderr)); |
117 | ||
5abc1f74 BK |
118 | /* Before anything else, ensure we can allocate our file name buffer. */ |
119 | file_name_buf = load_file_data (stdin); | |
120 | ||
121 | /* Because of the way server shells work, you have to keep stdin, out | |
122 | and err open so that the proper input file does not get closed | |
123 | by accident */ | |
124 | ||
125 | freopen ("/dev/null", "r", stdin); | |
126 | ||
127 | if (file_name_buf == (char *) NULL) | |
128 | { | |
129 | fputs ("No file names listed for fixing\n", stderr); | |
130 | exit (EXIT_FAILURE); | |
131 | } | |
132 | ||
d1c6a037 BK |
133 | for (;;) |
134 | { | |
5abc1f74 | 135 | char* pz_end; |
d1c6a037 | 136 | |
5abc1f74 | 137 | /* skip to start of name, past any "./" prefixes */ |
d1c6a037 | 138 | |
5abc1f74 BK |
139 | while (ISSPACE (*file_name_buf)) file_name_buf++; |
140 | while ((file_name_buf[0] == '.') && (file_name_buf[1] == '/')) | |
141 | file_name_buf += 2; | |
d1c6a037 | 142 | |
5abc1f74 BK |
143 | /* Check for end of list */ |
144 | ||
145 | if (*file_name_buf == NUL) | |
146 | break; | |
147 | ||
148 | /* Set global file name pointer and find end of name */ | |
149 | ||
150 | pz_curr_file = file_name_buf; | |
151 | pz_end = strchr( pz_curr_file, '\n' ); | |
152 | if (pz_end == (char*)NULL) | |
153 | pz_end = file_name_buf = pz_curr_file + strlen (pz_curr_file); | |
154 | else | |
155 | file_name_buf = pz_end + 1; | |
156 | ||
157 | while ((pz_end > pz_curr_file) && ISSPACE( pz_end[-1])) pz_end--; | |
158 | ||
159 | /* IF no name is found (blank line) or comment marker, skip line */ | |
160 | ||
161 | if ((pz_curr_file == pz_end) || (*pz_curr_file == '#')) | |
162 | continue; | |
163 | *pz_end = NUL; | |
d1c6a037 | 164 | |
5abc1f74 | 165 | process (); |
5abc1f74 | 166 | } /* for (;;) */ |
d1c6a037 | 167 | |
5abc1f74 | 168 | #ifdef DO_STATS |
b35926b9 | 169 | if (VLEVEL( VERB_PROGRESS )) { |
5abc1f74 BK |
170 | tSCC zFmt[] = |
171 | "\ | |
172 | Processed %5d files containing %d bytes \n\ | |
173 | Applying %5d fixes to %d files\n\ | |
174 | Altering %5d of them\n"; | |
175 | ||
176 | fprintf (stderr, zFmt, process_ct, ttl_data_size, apply_ct, | |
177 | fixed_ct, altered_ct); | |
178 | } | |
179 | #endif /* DO_STATS */ | |
62a99405 | 180 | |
283da1d3 | 181 | # ifdef SEPARATE_FIX_PROC |
62a99405 BK |
182 | unlink( pz_temp_file ); |
183 | # endif | |
15fe1a7e | 184 | exit (EXIT_SUCCESS); |
d1c6a037 BK |
185 | } |
186 | ||
187 | ||
6864a6c6 | 188 | static void |
f4dbf936 | 189 | do_version (void) |
5abc1f74 BK |
190 | { |
191 | static const char zFmt[] = "echo '%s'"; | |
192 | char zBuf[ 1024 ]; | |
193 | ||
194 | /* The 'version' option is really used to test that: | |
195 | 1. The program loads correctly (no missing libraries) | |
35dfe415 BK |
196 | 2. that we can compile all the regular expressions. |
197 | 3. we can correctly run our server shell process | |
5abc1f74 BK |
198 | */ |
199 | run_compiles (); | |
200 | sprintf (zBuf, zFmt, program_id); | |
283da1d3 | 201 | #ifndef SEPARATE_FIX_PROC |
6b151aa7 | 202 | puts (zBuf + 5); |
5abc1f74 | 203 | exit (strcmp (run_shell (zBuf), program_id)); |
62a99405 BK |
204 | #else |
205 | exit (system (zBuf)); | |
206 | #endif | |
5abc1f74 BK |
207 | } |
208 | ||
d1c6a037 BK |
209 | /* * * * * * * * * * * * */ |
210 | ||
211 | void | |
f4dbf936 | 212 | initialize ( int argc, char** argv ) |
d1c6a037 | 213 | { |
878a5794 BK |
214 | xmalloc_set_program_name (argv[0]); |
215 | ||
35dfe415 BK |
216 | switch (argc) |
217 | { | |
218 | case 1: | |
219 | break; | |
220 | ||
221 | case 2: | |
222 | if (strcmp (argv[1], "-v") == 0) | |
223 | do_version (); | |
224 | if (freopen (argv[1], "r", stdin) == (FILE*)NULL) | |
225 | { | |
226 | fprintf (stderr, "Error %d (%s) reopening %s as stdin\n", | |
227 | errno, xstrerror (errno), argv[1] ); | |
228 | exit (EXIT_FAILURE); | |
229 | } | |
230 | break; | |
231 | ||
232 | default: | |
233 | fputs ("fixincl ERROR: too many command line arguments\n", stderr); | |
234 | exit (EXIT_FAILURE); | |
235 | } | |
236 | ||
798bdf70 BK |
237 | #ifdef SIGCHLD |
238 | /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will | |
239 | receive the signal. A different setting is inheritable */ | |
240 | signal (SIGCHLD, SIG_DFL); | |
241 | #endif | |
242 | ||
ad643a75 | 243 | initialize_opts (); |
0083c904 | 244 | |
6864a6c6 | 245 | if (ISDIGIT ( *pz_verbose )) |
e02ecf39 BK |
246 | verbose_level = (te_verbose)atoi( pz_verbose ); |
247 | else | |
248 | switch (*pz_verbose) { | |
249 | case 's': | |
250 | case 'S': | |
251 | verbose_level = VERB_SILENT; break; | |
252 | ||
253 | case 'f': | |
254 | case 'F': | |
255 | verbose_level = VERB_FIXES; break; | |
256 | ||
257 | case 'a': | |
258 | case 'A': | |
259 | verbose_level = VERB_APPLIES; break; | |
260 | ||
7a9cdb10 | 261 | default: |
e02ecf39 BK |
262 | case 'p': |
263 | case 'P': | |
264 | verbose_level = VERB_PROGRESS; break; | |
265 | ||
266 | case 't': | |
267 | case 'T': | |
268 | verbose_level = VERB_TESTS; break; | |
269 | ||
270 | case 'e': | |
271 | case 'E': | |
272 | verbose_level = VERB_EVERYTHING; break; | |
273 | } | |
7a9cdb10 DD |
274 | if (verbose_level >= VERB_EVERYTHING) { |
275 | verbose_level = VERB_EVERYTHING; | |
276 | fputs ("fixinc verbosity: EVERYTHING\n", stderr); | |
277 | } | |
278 | while ((pz_find_base[0] == '.') && (pz_find_base[1] == '/')) | |
279 | pz_find_base += 2; | |
280 | if ((pz_find_base[0] != '.') || (pz_find_base[1] != NUL)) | |
281 | find_base_len = strlen( pz_find_base ); | |
7d9ccd90 | 282 | |
1f414ac4 BK |
283 | /* Compile all the regular expressions now. |
284 | That way, it is done only once for the whole run. | |
285 | */ | |
286 | run_compiles (); | |
0083c904 | 287 | |
283da1d3 | 288 | # ifdef SEPARATE_FIX_PROC |
62a99405 BK |
289 | /* NULL as the first argument to `tempnam' causes it to DTRT |
290 | wrt the temporary directory where the file will be created. */ | |
291 | pz_temp_file = tempnam( NULL, "fxinc" ); | |
292 | # endif | |
293 | ||
1f414ac4 BK |
294 | signal (SIGQUIT, SIG_IGN); |
295 | signal (SIGIOT, SIG_IGN); | |
296 | signal (SIGPIPE, SIG_IGN); | |
297 | signal (SIGALRM, SIG_IGN); | |
298 | signal (SIGTERM, SIG_IGN); | |
0083c904 | 299 | } |
0083c904 | 300 | |
1f414ac4 | 301 | /* * * * * * * * * * * * * |
5abc1f74 | 302 | |
1f414ac4 BK |
303 | load_file loads all the contents of a file into malloc-ed memory. |
304 | Its argument is the name of the file to read in; the returned | |
305 | result is the NUL terminated contents of the file. The file | |
306 | is presumed to be an ASCII text file containing no NULs. */ | |
0083c904 | 307 | char * |
f4dbf936 | 308 | load_file ( const char* fname ) |
0083c904 | 309 | { |
5abc1f74 BK |
310 | struct stat stbf; |
311 | char* res; | |
0083c904 | 312 | |
5abc1f74 | 313 | if (stat (fname, &stbf) != 0) |
0083c904 | 314 | { |
b35926b9 BK |
315 | if (NOT_SILENT) |
316 | fprintf (stderr, "error %d (%s) stat-ing %s\n", | |
f95e46b9 | 317 | errno, xstrerror (errno), fname ); |
5abc1f74 | 318 | return (char *) NULL; |
0083c904 | 319 | } |
5abc1f74 BK |
320 | if (stbf.st_size == 0) |
321 | return (char*)NULL; | |
0083c904 | 322 | |
a6efbece BK |
323 | /* Make the data map size one larger than the file size for documentation |
324 | purposes. Truth is that there will be a following NUL character if | |
325 | the file size is not a multiple of the page size. If it is a multiple, | |
326 | then this adjustment sometimes fails anyway. */ | |
5abc1f74 BK |
327 | data_map_size = stbf.st_size+1; |
328 | data_map_fd = open (fname, O_RDONLY); | |
329 | ttl_data_size += data_map_size-1; | |
0083c904 | 330 | |
5abc1f74 BK |
331 | if (data_map_fd < 0) |
332 | { | |
b35926b9 BK |
333 | if (NOT_SILENT) |
334 | fprintf (stderr, "error %d (%s) opening %s for read\n", | |
f95e46b9 | 335 | errno, xstrerror (errno), fname); |
5abc1f74 BK |
336 | return (char*)NULL; |
337 | } | |
0083c904 | 338 | |
56f02b88 | 339 | #ifdef HAVE_MMAP_FILE |
5abc1f74 | 340 | curr_data_mapped = BOOL_TRUE; |
a6efbece BK |
341 | |
342 | /* IF the file size is a multiple of the page size, | |
343 | THEN sometimes you will seg fault trying to access a trailing byte */ | |
dc46505a | 344 | if ((stbf.st_size & (getpagesize()-1)) == 0) |
a6efbece BK |
345 | res = (char*)BAD_ADDR; |
346 | else | |
347 | res = (char*)mmap ((void*)NULL, data_map_size, PROT_READ, | |
348 | MAP_PRIVATE, data_map_fd, 0); | |
5abc1f74 | 349 | if (res == (char*)BAD_ADDR) |
ca21b4a5 | 350 | #endif |
5abc1f74 | 351 | { |
ca21b4a5 | 352 | FILE* fp = fdopen (data_map_fd, "r"); |
5abc1f74 | 353 | curr_data_mapped = BOOL_FALSE; |
ca21b4a5 BK |
354 | res = load_file_data (fp); |
355 | fclose (fp); | |
5abc1f74 | 356 | } |
0083c904 | 357 | |
5abc1f74 | 358 | return res; |
0083c904 BK |
359 | } |
360 | ||
6864a6c6 | 361 | static int |
f4dbf936 | 362 | machine_matches( tFixDesc* p_fixd ) |
401be4b6 BK |
363 | { |
364 | char const ** papz_machs = p_fixd->papz_machs; | |
365 | int have_match = BOOL_FALSE; | |
1f414ac4 | 366 | |
62a99405 BK |
367 | for (;;) |
368 | { | |
401be4b6 BK |
369 | char const * pz_mpat = *(papz_machs++); |
370 | if (pz_mpat == NULL) | |
62a99405 | 371 | break; |
401be4b6 BK |
372 | if (fnmatch(pz_mpat, pz_machine, 0) == 0) |
373 | { | |
374 | have_match = BOOL_TRUE; | |
375 | break; | |
376 | } | |
62a99405 BK |
377 | } |
378 | ||
2f82a97b | 379 | /* Check for sense inversion then set the "skip test" flag, if needed */ |
401be4b6 | 380 | if (p_fixd->fd_flags & FD_MACH_IFNOT) |
2f82a97b BK |
381 | have_match = ! have_match; |
382 | ||
383 | if (! have_match) | |
384 | p_fixd->fd_flags |= FD_SKIP_TEST; | |
385 | ||
401be4b6 | 386 | return have_match; |
62a99405 BK |
387 | } |
388 | ||
389 | /* * * * * * * * * * * * * | |
401be4b6 BK |
390 | * |
391 | * run_compiles run all the regexp compiles for all the fixes once. | |
392 | */ | |
62a99405 | 393 | void |
f4dbf936 | 394 | run_compiles (void) |
62a99405 BK |
395 | { |
396 | tFixDesc *p_fixd = fixDescList; | |
397 | int fix_ct = FIX_COUNT; | |
03a9fcb8 | 398 | regex_t *p_re = XCNEWVEC (regex_t, REGEX_COUNT); |
62a99405 BK |
399 | |
400 | /* Make sure compile_re does not stumble across invalid data */ | |
401 | ||
c68b0a84 | 402 | memset (&incl_quote_re, '\0', sizeof (regex_t)); |
62a99405 BK |
403 | |
404 | compile_re (incl_quote_pat, &incl_quote_re, 1, | |
405 | "quoted include", "run_compiles"); | |
406 | ||
407 | /* Allow machine name tests to be ignored (testing, mainly) */ | |
408 | ||
409 | if (pz_machine && ((*pz_machine == '\0') || (*pz_machine == '*'))) | |
410 | pz_machine = (char*)NULL; | |
411 | ||
412 | /* FOR every fixup, ... */ | |
413 | do | |
414 | { | |
415 | tTestDesc *p_test = p_fixd->p_test_desc; | |
416 | int test_ct = p_fixd->test_ct; | |
417 | ||
418 | /* IF the machine type pointer is not NULL (we are not in test mode) | |
419 | AND this test is for or not done on particular machines | |
420 | THEN ... */ | |
421 | ||
422 | if ( (pz_machine != NULL) | |
423 | && (p_fixd->papz_machs != (const char**) NULL) | |
424 | && ! machine_matches (p_fixd) ) | |
425 | continue; | |
0083c904 | 426 | |
1f414ac4 BK |
427 | /* FOR every test for the fixup, ... */ |
428 | ||
429 | while (--test_ct >= 0) | |
0083c904 | 430 | { |
1f414ac4 | 431 | switch (p_test->type) |
0083c904 BK |
432 | { |
433 | case TT_EGREP: | |
434 | case TT_NEGREP: | |
1f414ac4 | 435 | p_test->p_test_regex = p_re++; |
35dfe415 BK |
436 | compile_re (p_test->pz_test_text, p_test->p_test_regex, 0, |
437 | "select test", p_fixd->fix_name); | |
3af556f7 | 438 | default: break; |
35dfe415 | 439 | } |
1f414ac4 | 440 | p_test++; |
0083c904 BK |
441 | } |
442 | } | |
1f414ac4 | 443 | while (p_fixd++, --fix_ct > 0); |
0083c904 BK |
444 | } |
445 | ||
446 | ||
1f414ac4 | 447 | /* * * * * * * * * * * * * |
5abc1f74 | 448 | |
1f414ac4 BK |
449 | create_file Create the output modified file. |
450 | Input: the name of the file to create | |
451 | Returns: a file pointer to the new, open file */ | |
452 | ||
063174ee BK |
453 | #if defined(S_IRUSR) && defined(S_IWUSR) && \ |
454 | defined(S_IRGRP) && defined(S_IROTH) | |
455 | ||
456 | # define S_IRALL (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) | |
457 | #else | |
458 | # define S_IRALL 0644 | |
459 | #endif | |
460 | ||
461 | #if defined(S_IRWXU) && defined(S_IRGRP) && defined(S_IXGRP) && \ | |
462 | defined(S_IROTH) && defined(S_IXOTH) | |
463 | ||
464 | # define S_DIRALL (S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) | |
465 | #else | |
466 | # define S_DIRALL 0755 | |
467 | #endif | |
468 | ||
1f414ac4 | 469 | |
6864a6c6 | 470 | static FILE * |
f4dbf936 | 471 | create_file (void) |
0083c904 BK |
472 | { |
473 | int fd; | |
474 | FILE *pf; | |
475 | char fname[MAXPATHLEN]; | |
476 | ||
5abc1f74 | 477 | sprintf (fname, "%s/%s", pz_dest_dir, pz_curr_file + find_base_len); |
0083c904 | 478 | |
1f414ac4 | 479 | fd = open (fname, O_WRONLY | O_CREAT | O_TRUNC, S_IRALL); |
0083c904 | 480 | |
1f414ac4 | 481 | /* We may need to create the directories needed... */ |
0083c904 BK |
482 | if ((fd < 0) && (errno == ENOENT)) |
483 | { | |
1f414ac4 | 484 | char *pz_dir = strchr (fname + 1, '/'); |
0083c904 BK |
485 | struct stat stbf; |
486 | ||
1f414ac4 | 487 | while (pz_dir != (char *) NULL) |
0083c904 | 488 | { |
1f414ac4 | 489 | *pz_dir = NUL; |
0083c904 BK |
490 | if (stat (fname, &stbf) < 0) |
491 | { | |
f4a8f279 AL |
492 | #ifdef _WIN32 |
493 | mkdir (fname); | |
494 | #else | |
063174ee | 495 | mkdir (fname, S_IFDIR | S_DIRALL); |
f4a8f279 | 496 | #endif |
0083c904 BK |
497 | } |
498 | ||
1f414ac4 BK |
499 | *pz_dir = '/'; |
500 | pz_dir = strchr (pz_dir + 1, '/'); | |
0083c904 | 501 | } |
1f414ac4 BK |
502 | |
503 | /* Now, lets try the open again... */ | |
504 | fd = open (fname, O_WRONLY | O_CREAT | O_TRUNC, S_IRALL); | |
0083c904 BK |
505 | } |
506 | if (fd < 0) | |
507 | { | |
508 | fprintf (stderr, "Error %d (%s) creating %s\n", | |
f95e46b9 | 509 | errno, xstrerror (errno), fname); |
0083c904 BK |
510 | exit (EXIT_FAILURE); |
511 | } | |
b35926b9 BK |
512 | if (NOT_SILENT) |
513 | fprintf (stderr, "Fixed: %s\n", pz_curr_file); | |
0083c904 BK |
514 | pf = fdopen (fd, "w"); |
515 | ||
e02ecf39 BK |
516 | /* |
517 | * IF pz_machine is NULL, then we are in some sort of test mode. | |
518 | * Do not insert the current directory name. Use a constant string. | |
519 | */ | |
520 | fprintf (pf, z_std_preamble, | |
521 | (pz_machine == NULL) | |
522 | ? "fixinc/tests/inc" | |
523 | : pz_input_dir, | |
524 | pz_curr_file); | |
1f414ac4 | 525 | |
0083c904 BK |
526 | return pf; |
527 | } | |
528 | ||
0083c904 | 529 | |
1f414ac4 | 530 | /* * * * * * * * * * * * * |
0083c904 | 531 | |
1f414ac4 BK |
532 | test_test make sure a shell-style test expression passes. |
533 | Input: a pointer to the descriptor of the test to run and | |
534 | the name of the file that we might want to fix | |
5abc1f74 | 535 | Result: APPLY_FIX or SKIP_FIX, depending on the result of the |
1f414ac4 | 536 | shell script we run. */ |
283da1d3 | 537 | #ifndef SEPARATE_FIX_PROC |
6864a6c6 | 538 | static int |
f4dbf936 | 539 | test_test (tTestDesc* p_test, char* pz_test_file) |
1f414ac4 | 540 | { |
94db2f71 BK |
541 | tSCC cmd_fmt[] = |
542 | "file=%s\n\ | |
543 | if ( test %s ) > /dev/null 2>&1\n\ | |
544 | then echo TRUE\n\ | |
545 | else echo FALSE\n\ | |
546 | fi"; | |
547 | ||
1f414ac4 | 548 | char *pz_res; |
e9099386 | 549 | int res; |
1f414ac4 BK |
550 | |
551 | static char cmd_buf[4096]; | |
1f414ac4 | 552 | |
5abc1f74 | 553 | sprintf (cmd_buf, cmd_fmt, pz_test_file, p_test->pz_test_text); |
1f414ac4 | 554 | pz_res = run_shell (cmd_buf); |
e9099386 BK |
555 | |
556 | switch (*pz_res) { | |
557 | case 'T': | |
5abc1f74 | 558 | res = APPLY_FIX; |
e9099386 BK |
559 | break; |
560 | ||
561 | case 'F': | |
562 | res = SKIP_FIX; | |
563 | break; | |
564 | ||
565 | default: | |
566 | fprintf (stderr, "Script yielded bogus result of `%s':\n%s\n\n", | |
567 | pz_res, cmd_buf ); | |
9cdfc8e7 | 568 | res = SKIP_FIX; |
e9099386 BK |
569 | } |
570 | ||
1f414ac4 | 571 | free ((void *) pz_res); |
0083c904 BK |
572 | return res; |
573 | } | |
62a99405 BK |
574 | #else |
575 | /* | |
576 | * IF we are in MS-DOS land, then whatever shell-type test is required | |
577 | * will, by definition, fail | |
578 | */ | |
579 | #define test_test(t,tf) SKIP_FIX | |
580 | #endif | |
0083c904 | 581 | |
1f414ac4 | 582 | /* * * * * * * * * * * * * |
5abc1f74 | 583 | |
1f414ac4 BK |
584 | egrep_test make sure an egrep expression is found in the file text. |
585 | Input: a pointer to the descriptor of the test to run and | |
586 | the pointer to the contents of the file under suspicion | |
5abc1f74 | 587 | Result: APPLY_FIX if the pattern is found, SKIP_FIX otherwise |
1f414ac4 | 588 | |
5abc1f74 | 589 | The caller may choose to reverse meaning if the sense of the test |
1f414ac4 BK |
590 | is inverted. */ |
591 | ||
6864a6c6 | 592 | static int |
f4dbf936 | 593 | egrep_test (char* pz_data, tTestDesc* p_test) |
0083c904 | 594 | { |
5abc1f74 | 595 | #ifdef DEBUG |
1f414ac4 BK |
596 | if (p_test->p_test_regex == 0) |
597 | fprintf (stderr, "fixincl ERROR RE not compiled: `%s'\n", | |
598 | p_test->pz_test_text); | |
0083c904 | 599 | #endif |
ab747408 | 600 | if (xregexec (p_test->p_test_regex, pz_data, 0, 0, 0) == 0) |
5abc1f74 BK |
601 | return APPLY_FIX; |
602 | return SKIP_FIX; | |
0083c904 BK |
603 | } |
604 | ||
605 | ||
94db2f71 BK |
606 | /* * * * * * * * * * * * * |
607 | ||
608 | quoted_file_exists Make sure that a file exists before we emit | |
609 | the file name. If we emit the name, our invoking shell will try | |
610 | to copy a non-existing file into the destination directory. */ | |
611 | ||
6864a6c6 | 612 | static int |
f4dbf936 NN |
613 | quoted_file_exists (const char* pz_src_path, |
614 | const char* pz_file_path, | |
615 | const char* pz_file) | |
94db2f71 BK |
616 | { |
617 | char z[ MAXPATHLEN ]; | |
618 | char* pz; | |
619 | sprintf (z, "%s/%s/", pz_src_path, pz_file_path); | |
620 | pz = z + strlen ( z ); | |
621 | ||
622 | for (;;) { | |
623 | char ch = *pz_file++; | |
5abc1f74 | 624 | if (! ISGRAPH( ch )) |
94db2f71 BK |
625 | return 0; |
626 | if (ch == '"') | |
627 | break; | |
628 | *pz++ = ch; | |
629 | } | |
630 | *pz = '\0'; | |
631 | { | |
632 | struct stat s; | |
633 | if (stat (z, &s) != 0) | |
634 | return 0; | |
635 | return S_ISREG( s.st_mode ); | |
636 | } | |
637 | } | |
638 | ||
639 | ||
1f414ac4 BK |
640 | /* * * * * * * * * * * * * |
641 | * | |
642 | extract_quoted_files | |
5abc1f74 | 643 | |
1f414ac4 BK |
644 | The syntax, `#include "file.h"' specifies that the compiler is to |
645 | search the local directory of the current file before the include | |
646 | list. Consequently, if we have modified a header and stored it in | |
647 | another directory, any files that are included by that modified | |
648 | file in that fashion must also be copied into this new directory. | |
649 | This routine finds those flavors of #include and for each one found | |
650 | emits a triple of: | |
5abc1f74 | 651 | |
1f414ac4 BK |
652 | 1. source directory of the original file |
653 | 2. the relative path file name of the #includ-ed file | |
654 | 3. the full destination path for this file | |
655 | ||
656 | Input: the text of the file, the file name and a pointer to the | |
657 | match list where the match information was stored. | |
658 | Result: internally nothing. The results are written to stdout | |
659 | for interpretation by the invoking shell */ | |
0083c904 | 660 | |
94db2f71 | 661 | |
6864a6c6 | 662 | static void |
f4dbf936 NN |
663 | extract_quoted_files (char* pz_data, |
664 | const char* pz_fixed_file, | |
665 | regmatch_t* p_re_match) | |
0083c904 | 666 | { |
5abc1f74 | 667 | char *pz_dir_end = strrchr (pz_fixed_file, '/'); |
1f414ac4 | 668 | char *pz_incl_quot = pz_data; |
0083c904 | 669 | |
b35926b9 BK |
670 | if (VLEVEL( VERB_APPLIES )) |
671 | fprintf (stderr, "Quoted includes in %s\n", pz_fixed_file); | |
0083c904 | 672 | |
5abc1f74 | 673 | /* Set "pz_fixed_file" to point to the containing subdirectory of the source |
94db2f71 | 674 | If there is none, then it is in our current directory, ".". */ |
1f414ac4 BK |
675 | |
676 | if (pz_dir_end == (char *) NULL) | |
5abc1f74 | 677 | pz_fixed_file = "."; |
0083c904 | 678 | else |
1f414ac4 | 679 | *pz_dir_end = '\0'; |
0083c904 BK |
680 | |
681 | for (;;) | |
682 | { | |
1f414ac4 BK |
683 | pz_incl_quot += p_re_match->rm_so; |
684 | ||
685 | /* Skip forward to the included file name */ | |
f6bbde28 | 686 | while (*pz_incl_quot != '"') |
1f414ac4 | 687 | pz_incl_quot++; |
1f414ac4 | 688 | |
5abc1f74 | 689 | if (quoted_file_exists (pz_src_dir, pz_fixed_file, pz_incl_quot)) |
94db2f71 BK |
690 | { |
691 | /* Print the source directory and the subdirectory | |
692 | of the file in question. */ | |
5abc1f74 | 693 | printf ("%s %s/", pz_src_dir, pz_fixed_file); |
94db2f71 BK |
694 | pz_dir_end = pz_incl_quot; |
695 | ||
696 | /* Append to the directory the relative path of the desired file */ | |
697 | while (*pz_incl_quot != '"') | |
698 | putc (*pz_incl_quot++, stdout); | |
699 | ||
700 | /* Now print the destination directory appended with the | |
701 | relative path of the desired file */ | |
5abc1f74 | 702 | printf (" %s/%s/", pz_dest_dir, pz_fixed_file); |
94db2f71 BK |
703 | while (*pz_dir_end != '"') |
704 | putc (*pz_dir_end++, stdout); | |
705 | ||
706 | /* End of entry */ | |
707 | putc ('\n', stdout); | |
708 | } | |
0083c904 | 709 | |
1f414ac4 | 710 | /* Find the next entry */ |
ab747408 | 711 | if (xregexec (&incl_quote_re, pz_incl_quot, 1, p_re_match, 0) != 0) |
0083c904 BK |
712 | break; |
713 | } | |
714 | } | |
715 | ||
716 | ||
5abc1f74 BK |
717 | /* * * * * * * * * * * * * |
718 | ||
719 | Somebody wrote a *_fix subroutine that we must call. | |
720 | */ | |
283da1d3 | 721 | #ifndef SEPARATE_FIX_PROC |
6864a6c6 | 722 | static int |
f4dbf936 | 723 | internal_fix (int read_fd, tFixDesc* p_fixd) |
5abc1f74 BK |
724 | { |
725 | int fd[2]; | |
726 | ||
727 | if (pipe( fd ) != 0) | |
728 | { | |
729 | fprintf (stderr, "Error %d on pipe(2) call\n", errno ); | |
730 | exit (EXIT_FAILURE); | |
731 | } | |
732 | ||
733 | for (;;) | |
734 | { | |
735 | pid_t childid = fork(); | |
736 | ||
737 | switch (childid) | |
738 | { | |
739 | case -1: | |
740 | break; | |
741 | ||
742 | case 0: | |
743 | close (fd[0]); | |
744 | goto do_child_task; | |
745 | ||
746 | default: | |
747 | /* | |
748 | * Parent process | |
749 | */ | |
750 | close (read_fd); | |
751 | close (fd[1]); | |
752 | return fd[0]; | |
753 | } | |
754 | ||
755 | /* | |
756 | * Parent in error | |
757 | */ | |
f95e46b9 | 758 | fprintf (stderr, z_fork_err, errno, xstrerror (errno), |
5abc1f74 BK |
759 | p_fixd->fix_name); |
760 | { | |
761 | static int failCt = 0; | |
762 | if ((errno != EAGAIN) || (++failCt > 10)) | |
763 | exit (EXIT_FAILURE); | |
764 | sleep (1); | |
765 | } | |
766 | } do_child_task:; | |
767 | ||
768 | /* | |
769 | * Close our current stdin and stdout | |
770 | */ | |
771 | close (STDIN_FILENO); | |
772 | close (STDOUT_FILENO); | |
773 | UNLOAD_DATA(); | |
774 | ||
775 | /* | |
776 | * Make the fd passed in the stdin, and the write end of | |
777 | * the new pipe become the stdout. | |
778 | */ | |
f4a8f279 AL |
779 | dup2 (fd[1], STDOUT_FILENO); |
780 | dup2 (read_fd, STDIN_FILENO); | |
5abc1f74 | 781 | |
35dfe415 | 782 | apply_fix (p_fixd, pz_curr_file); |
5abc1f74 BK |
783 | exit (0); |
784 | } | |
283da1d3 | 785 | #endif /* !SEPARATE_FIX_PROC */ |
62a99405 BK |
786 | |
787 | ||
283da1d3 | 788 | #ifdef SEPARATE_FIX_PROC |
62a99405 | 789 | static void |
f4dbf936 NN |
790 | fix_with_system (tFixDesc* p_fixd, |
791 | tCC* pz_fix_file, | |
792 | tCC* pz_file_source, | |
793 | tCC* pz_temp_file) | |
62a99405 BK |
794 | { |
795 | char* pz_cmd; | |
796 | char* pz_scan; | |
797 | size_t argsize; | |
798 | ||
799 | if (p_fixd->fd_flags & FD_SUBROUTINE) | |
43c1b5d2 BK |
800 | { |
801 | static const char z_applyfix_prog[] = | |
802 | "/../fixincludes/applyfix" EXE_EXT; | |
803 | ||
804 | struct stat buf; | |
805 | argsize = 32 | |
806 | + strlen (pz_orig_dir) | |
807 | + sizeof (z_applyfix_prog) | |
808 | + strlen (pz_fix_file) | |
809 | + strlen (pz_file_source) | |
810 | + strlen (pz_temp_file); | |
811 | ||
812 | /* Allocate something sure to be big enough for our purposes */ | |
03a9fcb8 | 813 | pz_cmd = XNEWVEC (char, argsize); |
43c1b5d2 BK |
814 | strcpy (pz_cmd, pz_orig_dir); |
815 | pz_scan = pz_cmd + strlen (pz_orig_dir); | |
816 | ||
817 | strcpy (pz_scan, z_applyfix_prog); | |
818 | ||
819 | /* IF we can't find the "applyfix" executable file at the first guess, | |
820 | try one level higher up */ | |
821 | if (stat (pz_cmd, &buf) == -1) | |
822 | { | |
823 | strcpy (pz_scan, "/.."); | |
824 | strcpy (pz_scan+3, z_applyfix_prog); | |
825 | } | |
826 | ||
827 | pz_scan += strlen (pz_scan); | |
828 | ||
829 | /* | |
830 | * Now add the fix number and file names that may be needed | |
831 | */ | |
d4a1808c | 832 | sprintf (pz_scan, " %ld '%s' '%s'", (long) (p_fixd - fixDescList), |
43c1b5d2 BK |
833 | pz_fix_file, pz_file_source, pz_temp_file); |
834 | } | |
62a99405 BK |
835 | else /* NOT an "internal" fix: */ |
836 | { | |
837 | size_t parg_size; | |
283da1d3 | 838 | #ifdef __MSDOS__ |
62a99405 | 839 | /* Don't use the "src > dstX; rm -f dst; mv -f dstX dst" trick: |
283da1d3 DB |
840 | dst is a temporary file anyway, so we know there's no other |
841 | file by that name; and DOS's system(3) doesn't mind to | |
dc13bad7 EZ |
842 | clobber existing file in redirection. Besides, with DOS 8+3 |
843 | limited file namespace, we can easily lose if dst already has | |
844 | an extension that is 3 or more characters long. | |
283da1d3 DB |
845 | |
846 | I do not think the 8+3 issue is relevant because all the files | |
847 | we operate on are named "*.h", making 8+2 adequate. Anyway, | |
848 | the following bizarre use of 'cat' only works on DOS boxes. | |
849 | It causes the file to be dropped into a temporary file for | |
dc13bad7 | 850 | 'cat' to read (pipes do not work on DOS). */ |
ecb0d20e | 851 | tSCC z_cmd_fmt[] = " '%s' | cat > '%s'"; |
283da1d3 DB |
852 | #else |
853 | /* Don't use positional formatting arguments because some lame-o | |
854 | implementations cannot cope :-(. */ | |
855 | tSCC z_cmd_fmt[] = " %s > %sX ; rm -f %s; mv -f %sX %s"; | |
856 | #endif | |
62a99405 BK |
857 | tCC** ppArgs = p_fixd->patch_args; |
858 | ||
859 | argsize = sizeof( z_cmd_fmt ) + strlen( pz_temp_file ) | |
860 | + strlen( pz_file_source ); | |
861 | parg_size = argsize; | |
862 | ||
863 | ||
864 | /* | |
865 | * Compute the size of the command line. Add lotsa extra space | |
866 | * because some of the args to sed use lotsa single quotes. | |
867 | * (This requires three extra bytes per quote. Here we allow | |
868 | * for up to 8 single quotes for each argument, including the | |
869 | * command name "sed" itself. Nobody will *ever* need more. :) | |
870 | */ | |
871 | for (;;) | |
872 | { | |
873 | tCC* p_arg = *(ppArgs++); | |
874 | if (p_arg == NULL) | |
875 | break; | |
876 | argsize += 24 + strlen( p_arg ); | |
877 | } | |
878 | ||
879 | /* Estimated buffer size we will need. */ | |
03a9fcb8 | 880 | pz_scan = pz_cmd = XNEWVEC (char, argsize); |
62a99405 BK |
881 | /* How much of it do we allot to the program name and its |
882 | arguments. */ | |
883 | parg_size = argsize - parg_size; | |
884 | ||
885 | ppArgs = p_fixd->patch_args; | |
886 | ||
887 | /* | |
888 | * Copy the program name, unquoted | |
889 | */ | |
890 | { | |
891 | tCC* pArg = *(ppArgs++); | |
892 | for (;;) | |
893 | { | |
894 | char ch = *(pArg++); | |
895 | if (ch == NUL) | |
896 | break; | |
897 | *(pz_scan++) = ch; | |
898 | } | |
899 | } | |
900 | ||
901 | /* | |
902 | * Copy the program arguments, quoted | |
903 | */ | |
904 | for (;;) | |
905 | { | |
906 | tCC* pArg = *(ppArgs++); | |
907 | char* pz_scan_save; | |
908 | if (pArg == NULL) | |
909 | break; | |
910 | *(pz_scan++) = ' '; | |
911 | pz_scan = make_raw_shell_str( pz_scan_save = pz_scan, pArg, | |
912 | parg_size - (pz_scan - pz_cmd) ); | |
913 | /* | |
914 | * Make sure we don't overflow the buffer due to sloppy | |
915 | * size estimation. | |
916 | */ | |
917 | while (pz_scan == (char*)NULL) | |
918 | { | |
919 | size_t already_filled = pz_scan_save - pz_cmd; | |
c68b0a84 | 920 | pz_cmd = xrealloc (pz_cmd, argsize += 100); |
62a99405 BK |
921 | pz_scan_save = pz_scan = pz_cmd + already_filled; |
922 | parg_size += 100; | |
923 | pz_scan = make_raw_shell_str( pz_scan, pArg, | |
924 | parg_size - (pz_scan - pz_cmd) ); | |
925 | } | |
926 | } | |
927 | ||
928 | /* | |
929 | * add the file machinations. | |
930 | */ | |
6047d503 | 931 | #ifdef __MSDOS__ |
283da1d3 DB |
932 | sprintf (pz_scan, z_cmd_fmt, pz_file_source, pz_temp_file ); |
933 | #else | |
934 | sprintf (pz_scan, z_cmd_fmt, pz_file_source, pz_temp_file, | |
935 | pz_temp_file, pz_temp_file, pz_temp_file); | |
936 | #endif | |
62a99405 BK |
937 | } |
938 | system( pz_cmd ); | |
939 | free( (void*)pz_cmd ); | |
940 | } | |
bb786201 BK |
941 | |
942 | /* * * * * * * * * * * * * | |
943 | ||
944 | This loop should only cycle for 1/2 of one loop. | |
945 | "chain_open" starts a process that uses "read_fd" as | |
946 | its stdin and returns the new fd this process will use | |
947 | for stdout. */ | |
948 | ||
283da1d3 | 949 | #else /* is *NOT* SEPARATE_FIX_PROC */ |
6864a6c6 | 950 | static int |
f4dbf936 | 951 | start_fixer (int read_fd, tFixDesc* p_fixd, char* pz_fix_file) |
bb786201 | 952 | { |
bb786201 BK |
953 | tCC* pz_cmd_save; |
954 | char* pz_cmd; | |
955 | ||
5abc1f74 BK |
956 | if ((p_fixd->fd_flags & FD_SUBROUTINE) != 0) |
957 | return internal_fix (read_fd, p_fixd); | |
958 | ||
bb786201 | 959 | if ((p_fixd->fd_flags & FD_SHELL_SCRIPT) == 0) |
9cdfc8e7 JM |
960 | { |
961 | pz_cmd = NULL; | |
962 | pz_cmd_save = NULL; | |
963 | } | |
bb786201 BK |
964 | else |
965 | { | |
966 | tSCC z_cmd_fmt[] = "file='%s'\n%s"; | |
03a9fcb8 | 967 | pz_cmd = XNEWVEC (char, strlen (p_fixd->patch_args[2]) |
c68b0a84 | 968 | + sizeof (z_cmd_fmt) + strlen (pz_fix_file)); |
5abc1f74 | 969 | sprintf (pz_cmd, z_cmd_fmt, pz_fix_file, p_fixd->patch_args[2]); |
bb786201 BK |
970 | pz_cmd_save = p_fixd->patch_args[2]; |
971 | p_fixd->patch_args[2] = pz_cmd; | |
972 | } | |
973 | ||
b35926b9 BK |
974 | /* Start a fix process, handing off the previous read fd for its |
975 | stdin and getting a new fd that reads from the fix process' stdout. | |
976 | We normally will not loop, but we will up to 10 times if we keep | |
977 | getting "EAGAIN" errors. | |
978 | ||
979 | */ | |
bb786201 BK |
980 | for (;;) |
981 | { | |
982 | static int failCt = 0; | |
983 | int fd; | |
984 | ||
985 | fd = chain_open (read_fd, | |
2629a114 | 986 | (tCC **) p_fixd->patch_args, |
bb786201 BK |
987 | (process_chain_head == -1) |
988 | ? &process_chain_head : (pid_t *) NULL); | |
989 | ||
990 | if (fd != -1) | |
991 | { | |
992 | read_fd = fd; | |
993 | break; | |
994 | } | |
995 | ||
f95e46b9 | 996 | fprintf (stderr, z_fork_err, errno, xstrerror (errno), |
bb786201 BK |
997 | p_fixd->fix_name); |
998 | ||
999 | if ((errno != EAGAIN) || (++failCt > 10)) | |
1000 | exit (EXIT_FAILURE); | |
1001 | sleep (1); | |
1002 | } | |
1003 | ||
b35926b9 BK |
1004 | /* IF we allocated a shell script command, |
1005 | THEN free it and restore the command format to the fix description */ | |
bb786201 BK |
1006 | if (pz_cmd != (char*)NULL) |
1007 | { | |
1008 | free ((void*)pz_cmd); | |
1009 | p_fixd->patch_args[2] = pz_cmd_save; | |
1010 | } | |
1011 | ||
1012 | return read_fd; | |
1013 | } | |
62a99405 | 1014 | #endif |
bb786201 | 1015 | |
5abc1f74 | 1016 | |
1f414ac4 | 1017 | /* * * * * * * * * * * * * |
401be4b6 BK |
1018 | * |
1019 | * Process the potential fixes for a particular include file. | |
1020 | * Input: the original text of the file and the file's name | |
1021 | * Result: none. A new file may or may not be created. | |
1022 | */ | |
6864a6c6 | 1023 | static t_bool |
f4dbf936 | 1024 | fix_applies (tFixDesc* p_fixd) |
0083c904 | 1025 | { |
ae5c839b ZW |
1026 | const char *pz_fname = pz_curr_file; |
1027 | const char *pz_scan = p_fixd->file_list; | |
5abc1f74 BK |
1028 | int test_ct; |
1029 | tTestDesc *p_test; | |
0083c904 | 1030 | |
401be4b6 | 1031 | #ifdef SEPARATE_FIX_PROC |
62a99405 BK |
1032 | /* |
1033 | * There is only one fix that uses a shell script as of this writing. | |
1034 | * I hope to nuke it anyway, it does not apply to DOS and it would | |
1035 | * be painful to implement. Therefore, no "shell" fixes for DOS. | |
1036 | */ | |
1037 | if (p_fixd->fd_flags & (FD_SHELL_SCRIPT | FD_SKIP_TEST)) | |
1038 | return BOOL_FALSE; | |
401be4b6 | 1039 | #else |
5abc1f74 BK |
1040 | if (p_fixd->fd_flags & FD_SKIP_TEST) |
1041 | return BOOL_FALSE; | |
401be4b6 | 1042 | #endif |
0083c904 | 1043 | |
5abc1f74 BK |
1044 | /* IF there is a file name restriction, |
1045 | THEN ensure the current file name matches one in the pattern */ | |
1046 | ||
ae5c839b | 1047 | if (pz_scan != (char *) NULL) |
5abc1f74 | 1048 | { |
5abc1f74 BK |
1049 | while ((pz_fname[0] == '.') && (pz_fname[1] == '/')) |
1050 | pz_fname += 2; | |
1f414ac4 | 1051 | |
5abc1f74 | 1052 | for (;;) |
0083c904 | 1053 | { |
401be4b6 | 1054 | if (fnmatch (pz_scan, pz_fname, 0) == 0) |
5abc1f74 | 1055 | break; |
401be4b6 BK |
1056 | pz_scan += strlen (pz_scan) + 1; |
1057 | if (*pz_scan == NUL) | |
1058 | return BOOL_FALSE; | |
5abc1f74 BK |
1059 | } |
1060 | } | |
0083c904 | 1061 | |
5abc1f74 BK |
1062 | /* FOR each test, see if it fails. |
1063 | IF it does fail, then we go on to the next test */ | |
1f414ac4 | 1064 | |
5abc1f74 BK |
1065 | for (p_test = p_fixd->p_test_desc, test_ct = p_fixd->test_ct; |
1066 | test_ct-- > 0; | |
1067 | p_test++) | |
1068 | { | |
1069 | switch (p_test->type) | |
1070 | { | |
1071 | case TT_TEST: | |
b35926b9 BK |
1072 | if (test_test (p_test, pz_curr_file) != APPLY_FIX) { |
1073 | #ifdef DEBUG | |
1074 | if (VLEVEL( VERB_EVERYTHING )) | |
e9099386 BK |
1075 | fprintf (stderr, z_failed, "TEST", p_fixd->fix_name, |
1076 | pz_fname, p_fixd->test_ct - test_ct); | |
b35926b9 | 1077 | #endif |
5abc1f74 | 1078 | return BOOL_FALSE; |
b35926b9 | 1079 | } |
5abc1f74 BK |
1080 | break; |
1081 | ||
1082 | case TT_EGREP: | |
b35926b9 BK |
1083 | if (egrep_test (pz_curr_data, p_test) != APPLY_FIX) { |
1084 | #ifdef DEBUG | |
1085 | if (VLEVEL( VERB_EVERYTHING )) | |
e9099386 BK |
1086 | fprintf (stderr, z_failed, "EGREP", p_fixd->fix_name, |
1087 | pz_fname, p_fixd->test_ct - test_ct); | |
b35926b9 | 1088 | #endif |
5abc1f74 | 1089 | return BOOL_FALSE; |
b35926b9 | 1090 | } |
5abc1f74 BK |
1091 | break; |
1092 | ||
1093 | case TT_NEGREP: | |
b35926b9 BK |
1094 | if (egrep_test (pz_curr_data, p_test) == APPLY_FIX) { |
1095 | #ifdef DEBUG | |
1096 | if (VLEVEL( VERB_EVERYTHING )) | |
e9099386 BK |
1097 | fprintf (stderr, z_failed, "NEGREP", p_fixd->fix_name, |
1098 | pz_fname, p_fixd->test_ct - test_ct); | |
b35926b9 | 1099 | #endif |
5abc1f74 BK |
1100 | /* Negated sense */ |
1101 | return BOOL_FALSE; | |
b35926b9 | 1102 | } |
5abc1f74 BK |
1103 | break; |
1104 | ||
1105 | case TT_FUNCTION: | |
1106 | if (run_test (p_test->pz_test_text, pz_curr_file, pz_curr_data) | |
b35926b9 BK |
1107 | != APPLY_FIX) { |
1108 | #ifdef DEBUG | |
1109 | if (VLEVEL( VERB_EVERYTHING )) | |
e9099386 BK |
1110 | fprintf (stderr, z_failed, "FTEST", p_fixd->fix_name, |
1111 | pz_fname, p_fixd->test_ct - test_ct); | |
b35926b9 | 1112 | #endif |
5abc1f74 | 1113 | return BOOL_FALSE; |
b35926b9 | 1114 | } |
5abc1f74 | 1115 | break; |
0083c904 | 1116 | } |
5abc1f74 | 1117 | } |
0083c904 | 1118 | |
5abc1f74 BK |
1119 | return BOOL_TRUE; |
1120 | } | |
0083c904 | 1121 | |
0083c904 | 1122 | |
5abc1f74 BK |
1123 | /* * * * * * * * * * * * * |
1124 | ||
1125 | Write out a replacement file */ | |
1126 | ||
6864a6c6 | 1127 | static void |
f4dbf936 | 1128 | write_replacement (tFixDesc* p_fixd) |
5abc1f74 BK |
1129 | { |
1130 | const char* pz_text = p_fixd->patch_args[0]; | |
1131 | ||
1132 | if ((pz_text == (char*)NULL) || (*pz_text == NUL)) | |
1133 | return; | |
1134 | ||
1135 | { | |
6864a6c6 | 1136 | FILE* out_fp = create_file (); |
66f788b0 BK |
1137 | size_t sz = strlen (pz_text); |
1138 | fwrite (pz_text, sz, 1, out_fp); | |
1139 | if (pz_text[ sz-1 ] != '\n') | |
1140 | fputc ('\n', out_fp); | |
5abc1f74 BK |
1141 | fclose (out_fp); |
1142 | } | |
1143 | } | |
1144 | ||
1145 | ||
1146 | /* * * * * * * * * * * * * | |
1147 | ||
1148 | We have work to do. Read back in the output | |
1149 | of the filtering chain. Compare each byte as we read it with | |
1150 | the contents of the original file. As soon as we find any | |
1151 | difference, we will create the output file, write out all | |
1152 | the matched text and then copy any remaining data from the | |
1153 | output of the filter chain. | |
1154 | */ | |
6864a6c6 | 1155 | static void |
f4dbf936 | 1156 | test_for_changes (int read_fd) |
5abc1f74 BK |
1157 | { |
1158 | FILE *in_fp = fdopen (read_fd, "r"); | |
1159 | FILE *out_fp = (FILE *) NULL; | |
90376ae2 | 1160 | unsigned char *pz_cmp = (unsigned char*)pz_curr_data; |
5abc1f74 BK |
1161 | |
1162 | #ifdef DO_STATS | |
1163 | fixed_ct++; | |
1f414ac4 | 1164 | #endif |
5abc1f74 BK |
1165 | for (;;) |
1166 | { | |
1167 | int ch; | |
0083c904 | 1168 | |
5abc1f74 BK |
1169 | ch = getc (in_fp); |
1170 | if (ch == EOF) | |
1171 | break; | |
90376ae2 | 1172 | ch &= 0xFF; /* all bytes are 8 bits */ |
5abc1f74 BK |
1173 | |
1174 | /* IF we are emitting the output | |
1175 | THEN emit this character, too. | |
1176 | */ | |
1177 | if (out_fp != (FILE *) NULL) | |
1178 | putc (ch, out_fp); | |
1179 | ||
1180 | /* ELSE if this character does not match the original, | |
1181 | THEN now is the time to start the output. | |
1182 | */ | |
1183 | else if (ch != *pz_cmp) | |
1184 | { | |
6864a6c6 | 1185 | out_fp = create_file (); |
5abc1f74 BK |
1186 | |
1187 | #ifdef DO_STATS | |
1188 | altered_ct++; | |
1f414ac4 | 1189 | #endif |
5abc1f74 | 1190 | /* IF there are matched data, write the matched part now. */ |
c8b0c191 BK |
1191 | if ((char*)pz_cmp != pz_curr_data) |
1192 | fwrite (pz_curr_data, (size_t)((char*)pz_cmp - pz_curr_data), | |
1193 | 1, out_fp); | |
5abc1f74 BK |
1194 | |
1195 | /* Emit the current unmatching character */ | |
1196 | putc (ch, out_fp); | |
0083c904 | 1197 | } |
5abc1f74 BK |
1198 | else |
1199 | /* ELSE the character matches. Advance the compare ptr */ | |
1200 | pz_cmp++; | |
1201 | } | |
1202 | ||
1203 | /* IF we created the output file, ... */ | |
1204 | if (out_fp != (FILE *) NULL) | |
1205 | { | |
1206 | regmatch_t match; | |
1207 | ||
1208 | /* Close the file and see if we have to worry about | |
1209 | `#include "file.h"' constructs. */ | |
1210 | fclose (out_fp); | |
ab747408 | 1211 | if (xregexec (&incl_quote_re, pz_curr_data, 1, &match, 0) == 0) |
5abc1f74 BK |
1212 | extract_quoted_files (pz_curr_data, pz_curr_file, &match); |
1213 | } | |
1214 | ||
1215 | fclose (in_fp); | |
1216 | close (read_fd); /* probably redundant, but I'm paranoid */ | |
1217 | } | |
1218 | ||
1219 | ||
1220 | /* * * * * * * * * * * * * | |
1221 | ||
1222 | Process the potential fixes for a particular include file. | |
1223 | Input: the original text of the file and the file's name | |
1224 | Result: none. A new file may or may not be created. */ | |
1225 | ||
1226 | void | |
f4dbf936 | 1227 | process (void) |
5abc1f74 | 1228 | { |
5abc1f74 BK |
1229 | tFixDesc *p_fixd = fixDescList; |
1230 | int todo_ct = FIX_COUNT; | |
1231 | int read_fd = -1; | |
283da1d3 | 1232 | # ifndef SEPARATE_FIX_PROC |
5abc1f74 | 1233 | int num_children = 0; |
283da1d3 | 1234 | # else /* is SEPARATE_FIX_PROC */ |
62a99405 BK |
1235 | char* pz_file_source = pz_curr_file; |
1236 | # endif | |
5abc1f74 BK |
1237 | |
1238 | if (access (pz_curr_file, R_OK) != 0) | |
1239 | { | |
1240 | int erno = errno; | |
1241 | fprintf (stderr, "Cannot access %s from %s\n\terror %d (%s)\n", | |
1242 | pz_curr_file, getcwd ((char *) NULL, MAXPATHLEN), | |
f95e46b9 | 1243 | erno, xstrerror (erno)); |
5abc1f74 BK |
1244 | return; |
1245 | } | |
1246 | ||
1247 | pz_curr_data = load_file (pz_curr_file); | |
1248 | if (pz_curr_data == (char *) NULL) | |
1249 | return; | |
1250 | ||
1251 | #ifdef DO_STATS | |
1252 | process_ct++; | |
1253 | #endif | |
d7eb5a45 | 1254 | if (VLEVEL( VERB_PROGRESS ) && have_tty) |
1c99d804 RH |
1255 | fprintf (stderr, "%6lu %-50s \r", |
1256 | (unsigned long) data_map_size, pz_curr_file); | |
5abc1f74 | 1257 | |
283da1d3 | 1258 | # ifndef SEPARATE_FIX_PROC |
5abc1f74 BK |
1259 | process_chain_head = NOPROCESS; |
1260 | ||
1261 | /* For every fix in our fix list, ... */ | |
1262 | for (; todo_ct > 0; p_fixd++, todo_ct--) | |
1263 | { | |
1264 | if (! fix_applies (p_fixd)) | |
1265 | continue; | |
0083c904 | 1266 | |
b35926b9 BK |
1267 | if (VLEVEL( VERB_APPLIES )) |
1268 | fprintf (stderr, "Applying %-24s to %s\n", | |
1269 | p_fixd->fix_name, pz_curr_file); | |
5abc1f74 BK |
1270 | |
1271 | if (p_fixd->fd_flags & FD_REPLACEMENT) | |
1272 | { | |
1273 | write_replacement (p_fixd); | |
1274 | UNLOAD_DATA(); | |
1275 | return; | |
1276 | } | |
1f414ac4 BK |
1277 | |
1278 | /* IF we do not have a read pointer, | |
1279 | THEN this is the first fix for the current file. | |
1280 | Open the source file. That will be used as stdin for | |
1281 | the first fix. Any subsequent fixes will use the | |
5abc1f74 | 1282 | stdout descriptor of the previous fix for its stdin. */ |
0083c904 | 1283 | |
48ac9ce2 | 1284 | if (read_fd == -1) |
1f414ac4 | 1285 | { |
5abc1f74 | 1286 | read_fd = open (pz_curr_file, O_RDONLY); |
48ac9ce2 | 1287 | if (read_fd < 0) |
0083c904 | 1288 | { |
1f414ac4 | 1289 | fprintf (stderr, "Error %d (%s) opening %s\n", errno, |
f95e46b9 | 1290 | xstrerror (errno), pz_curr_file); |
1f414ac4 | 1291 | exit (EXIT_FAILURE); |
0083c904 | 1292 | } |
5abc1f74 BK |
1293 | |
1294 | /* Ensure we do not get duplicate output */ | |
1295 | ||
1296 | fflush (stdout); | |
1f414ac4 | 1297 | } |
0083c904 | 1298 | |
5abc1f74 | 1299 | read_fd = start_fixer (read_fd, p_fixd, pz_curr_file); |
bb786201 | 1300 | num_children++; |
0083c904 BK |
1301 | } |
1302 | ||
5abc1f74 BK |
1303 | /* IF we have a read-back file descriptor, |
1304 | THEN check for changes and write output if changed. */ | |
1f414ac4 | 1305 | |
5abc1f74 BK |
1306 | if (read_fd >= 0) |
1307 | { | |
1308 | test_for_changes (read_fd); | |
1309 | #ifdef DO_STATS | |
1310 | apply_ct += num_children; | |
1311 | #endif | |
1312 | /* Wait for child processes created by chain_open() | |
1313 | to avoid leaving zombies. */ | |
1314 | do { | |
1315 | wait ((int *) NULL); | |
1316 | } while (--num_children > 0); | |
1317 | } | |
9f8eec39 | 1318 | |
283da1d3 | 1319 | # else /* is SEPARATE_FIX_PROC */ |
62a99405 BK |
1320 | |
1321 | for (; todo_ct > 0; p_fixd++, todo_ct--) | |
1322 | { | |
1323 | if (! fix_applies (p_fixd)) | |
1324 | continue; | |
1325 | ||
1326 | if (VLEVEL( VERB_APPLIES )) | |
1327 | fprintf (stderr, "Applying %-24s to %s\n", | |
1328 | p_fixd->fix_name, pz_curr_file); | |
1329 | ||
1330 | if (p_fixd->fd_flags & FD_REPLACEMENT) | |
1331 | { | |
1332 | write_replacement (p_fixd); | |
1333 | UNLOAD_DATA(); | |
1334 | return; | |
1335 | } | |
1336 | fix_with_system (p_fixd, pz_curr_file, pz_file_source, pz_temp_file); | |
1337 | pz_file_source = pz_temp_file; | |
1338 | } | |
1339 | ||
283da1d3 DB |
1340 | read_fd = open (pz_temp_file, O_RDONLY); |
1341 | if (read_fd < 0) | |
1342 | { | |
ca21b4a5 BK |
1343 | if (errno != ENOENT) |
1344 | fprintf (stderr, "error %d (%s) opening output (%s) for read\n", | |
1345 | errno, xstrerror (errno), pz_temp_file); | |
283da1d3 DB |
1346 | } |
1347 | else | |
1348 | { | |
1349 | test_for_changes (read_fd); | |
1350 | /* Unlinking a file while it is still open is a Bad Idea on | |
1351 | DOS/Windows. */ | |
1352 | close (read_fd); | |
1353 | unlink (pz_temp_file); | |
1354 | } | |
62a99405 BK |
1355 | |
1356 | # endif | |
5abc1f74 | 1357 | UNLOAD_DATA(); |
0083c904 | 1358 | } |