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Commit | Line | Data |
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6274714d | 1 | |
6bd06916 | 2 | /* Install modified versions of certain ANSI-incompatible system header |
3 | files which are fixed to work correctly with ANSI C and placed in a | |
4 | directory that GNU C will search. | |
5 | ||
d9d1501a | 6 | Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. |
6bd06916 | 7 | |
8 | This file is part of GNU CC. | |
9 | ||
10 | GNU CC is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2, or (at your option) | |
13 | any later version. | |
14 | ||
15 | GNU CC is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with GNU CC; see the file COPYING. If not, write to | |
22 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
23 | Boston, MA 02111-1307, USA. */ | |
24 | ||
5daf7ede | 25 | #include "fixlib.h" |
26 | ||
f3329af2 | 27 | #if defined( HAVE_MMAP_FILE ) |
d940655c | 28 | #include <sys/mman.h> |
29 | #define BAD_ADDR ((void*)-1) | |
30 | #endif | |
6bd06916 | 31 | |
6274714d | 32 | #include <signal.h> |
d3aacc3b | 33 | #ifndef SEPARATE_FIX_PROC |
6274714d | 34 | #include "server.h" |
70ba55fd | 35 | #endif |
6274714d | 36 | |
5daf7ede | 37 | /* The contents of this string are not very important. It is mostly |
38 | just used as part of the "I am alive and working" test. */ | |
6274714d | 39 | |
5daf7ede | 40 | static const char program_id[] = "fixincl version 1.1"; |
6274714d | 41 | |
cc42f3d4 | 42 | /* This format will be used at the start of every generated file */ |
43 | ||
44 | static const char z_std_preamble[] = | |
45 | "/* DO NOT EDIT THIS FILE.\n\n\ | |
46 | It has been auto-edited by fixincludes from:\n\n\ | |
47 | \t\"%s/%s\"\n\n\ | |
48 | This had to be done to correct non-standard usages in the\n\ | |
49 | original, manufacturer supplied header file. */\n\n"; | |
50 | ||
6bd06916 | 51 | /* Working environment strings. Essentially, invocation 'options'. */ |
cc42f3d4 | 52 | |
53 | #define _ENV_(v,m,n,t) tCC* v = NULL; | |
54 | ENV_TABLE | |
55 | #undef _ENV_ | |
56 | ||
198b32f6 | 57 | int find_base_len = 0; |
6bd06916 | 58 | |
3fc31df4 | 59 | typedef enum { |
60 | VERB_SILENT = 0, | |
61 | VERB_FIXES, | |
62 | VERB_APPLIES, | |
63 | VERB_PROGRESS, | |
64 | VERB_TESTS, | |
65 | VERB_EVERYTHING | |
66 | } te_verbose; | |
67 | ||
68 | te_verbose verbose_level = VERB_PROGRESS; | |
bb304030 | 69 | int have_tty = 0; |
3fc31df4 | 70 | |
71 | #define VLEVEL(l) (verbose_level >= l) | |
72 | #define NOT_SILENT VLEVEL(VERB_FIXES) | |
73 | ||
6bd06916 | 74 | pid_t process_chain_head = (pid_t) -1; |
75 | ||
5daf7ede | 76 | char* pz_curr_file; /* name of the current file under test/fix */ |
77 | char* pz_curr_data; /* original contents of that file */ | |
70ba55fd | 78 | char* pz_temp_file; /* for DOS, a place to stash the temporary |
79 | fixed data between system(3) calls */ | |
5daf7ede | 80 | t_bool curr_data_mapped; |
81 | int data_map_fd; | |
82 | size_t data_map_size; | |
83 | size_t ttl_data_size = 0; | |
cc42f3d4 | 84 | |
5daf7ede | 85 | #ifdef DO_STATS |
86 | int process_ct = 0; | |
87 | int apply_ct = 0; | |
88 | int fixed_ct = 0; | |
89 | int altered_ct = 0; | |
90 | #endif /* DO_STATS */ | |
91 | ||
6bd06916 | 92 | const char incl_quote_pat[] = "^[ \t]*#[ \t]*include[ \t]*\"[^/]"; |
5daf7ede | 93 | tSCC z_fork_err[] = "Error %d (%s) starting filter process for %s\n"; |
6bd06916 | 94 | regex_t incl_quote_re; |
95 | ||
8322672c | 96 | static void do_version PARAMS((void)) ATTRIBUTE_NORETURN; |
2548396b | 97 | char *load_file PARAMS((const char *)); |
98 | void run_compiles PARAMS((void)); | |
99 | void initialize PARAMS((int argc,char** argv)); | |
100 | void process PARAMS((void)); | |
5daf7ede | 101 | |
102 | /* External Source Code */ | |
6274714d | 103 | |
104 | #include "fixincl.x" | |
105 | ||
6bd06916 | 106 | /* * * * * * * * * * * * * * * * * * * |
107 | * | |
108 | * MAIN ROUTINE | |
109 | */ | |
8322672c | 110 | extern int main PARAMS ((int, char **)); |
6274714d | 111 | int |
112 | main (argc, argv) | |
113 | int argc; | |
114 | char **argv; | |
115 | { | |
5daf7ede | 116 | char *file_name_buf; |
6274714d | 117 | |
09fe1d5c | 118 | initialize ( argc, argv ); |
697b45c9 | 119 | |
bb304030 | 120 | have_tty = isatty (fileno (stderr)); |
121 | ||
5daf7ede | 122 | /* Before anything else, ensure we can allocate our file name buffer. */ |
123 | file_name_buf = load_file_data (stdin); | |
124 | ||
125 | /* Because of the way server shells work, you have to keep stdin, out | |
126 | and err open so that the proper input file does not get closed | |
127 | by accident */ | |
128 | ||
129 | freopen ("/dev/null", "r", stdin); | |
130 | ||
131 | if (file_name_buf == (char *) NULL) | |
132 | { | |
133 | fputs ("No file names listed for fixing\n", stderr); | |
134 | exit (EXIT_FAILURE); | |
135 | } | |
136 | ||
697b45c9 | 137 | for (;;) |
138 | { | |
5daf7ede | 139 | char* pz_end; |
697b45c9 | 140 | |
5daf7ede | 141 | /* skip to start of name, past any "./" prefixes */ |
697b45c9 | 142 | |
5daf7ede | 143 | while (ISSPACE (*file_name_buf)) file_name_buf++; |
144 | while ((file_name_buf[0] == '.') && (file_name_buf[1] == '/')) | |
145 | file_name_buf += 2; | |
697b45c9 | 146 | |
5daf7ede | 147 | /* Check for end of list */ |
148 | ||
149 | if (*file_name_buf == NUL) | |
150 | break; | |
151 | ||
152 | /* Set global file name pointer and find end of name */ | |
153 | ||
154 | pz_curr_file = file_name_buf; | |
155 | pz_end = strchr( pz_curr_file, '\n' ); | |
156 | if (pz_end == (char*)NULL) | |
157 | pz_end = file_name_buf = pz_curr_file + strlen (pz_curr_file); | |
158 | else | |
159 | file_name_buf = pz_end + 1; | |
160 | ||
161 | while ((pz_end > pz_curr_file) && ISSPACE( pz_end[-1])) pz_end--; | |
162 | ||
163 | /* IF no name is found (blank line) or comment marker, skip line */ | |
164 | ||
165 | if ((pz_curr_file == pz_end) || (*pz_curr_file == '#')) | |
166 | continue; | |
167 | *pz_end = NUL; | |
697b45c9 | 168 | |
5daf7ede | 169 | process (); |
5daf7ede | 170 | } /* for (;;) */ |
697b45c9 | 171 | |
5daf7ede | 172 | #ifdef DO_STATS |
3fc31df4 | 173 | if (VLEVEL( VERB_PROGRESS )) { |
5daf7ede | 174 | tSCC zFmt[] = |
175 | "\ | |
176 | Processed %5d files containing %d bytes \n\ | |
177 | Applying %5d fixes to %d files\n\ | |
178 | Altering %5d of them\n"; | |
179 | ||
180 | fprintf (stderr, zFmt, process_ct, ttl_data_size, apply_ct, | |
181 | fixed_ct, altered_ct); | |
182 | } | |
183 | #endif /* DO_STATS */ | |
70ba55fd | 184 | |
d3aacc3b | 185 | # ifdef SEPARATE_FIX_PROC |
70ba55fd | 186 | unlink( pz_temp_file ); |
187 | # endif | |
697b45c9 | 188 | return EXIT_SUCCESS; |
189 | } | |
190 | ||
191 | ||
8322672c | 192 | static void |
5daf7ede | 193 | do_version () |
194 | { | |
195 | static const char zFmt[] = "echo '%s'"; | |
196 | char zBuf[ 1024 ]; | |
197 | ||
198 | /* The 'version' option is really used to test that: | |
199 | 1. The program loads correctly (no missing libraries) | |
09fe1d5c | 200 | 2. that we can compile all the regular expressions. |
201 | 3. we can correctly run our server shell process | |
5daf7ede | 202 | */ |
203 | run_compiles (); | |
204 | sprintf (zBuf, zFmt, program_id); | |
d3aacc3b | 205 | #ifndef SEPARATE_FIX_PROC |
85f8461a | 206 | puts (zBuf + 5); |
5daf7ede | 207 | exit (strcmp (run_shell (zBuf), program_id)); |
70ba55fd | 208 | #else |
209 | exit (system (zBuf)); | |
210 | #endif | |
5daf7ede | 211 | } |
212 | ||
697b45c9 | 213 | /* * * * * * * * * * * * */ |
214 | ||
215 | void | |
09fe1d5c | 216 | initialize ( argc, argv ) |
217 | int argc; | |
218 | char** argv; | |
697b45c9 | 219 | { |
220 | static const char var_not_found[] = | |
cc42f3d4 | 221 | "fixincl ERROR: %s environment variable not defined\n" |
222 | #ifdef __STDC__ | |
223 | "each of these must be defined:\n" | |
224 | #define _ENV_(v,m,n,t) "\t" n " - " t "\n" | |
225 | ENV_TABLE | |
226 | #undef _ENV_ | |
227 | #endif | |
228 | ; | |
697b45c9 | 229 | |
7cd86c4d | 230 | xmalloc_set_program_name (argv[0]); |
231 | ||
09fe1d5c | 232 | switch (argc) |
233 | { | |
234 | case 1: | |
235 | break; | |
236 | ||
237 | case 2: | |
238 | if (strcmp (argv[1], "-v") == 0) | |
239 | do_version (); | |
240 | if (freopen (argv[1], "r", stdin) == (FILE*)NULL) | |
241 | { | |
242 | fprintf (stderr, "Error %d (%s) reopening %s as stdin\n", | |
243 | errno, xstrerror (errno), argv[1] ); | |
244 | exit (EXIT_FAILURE); | |
245 | } | |
246 | break; | |
247 | ||
248 | default: | |
249 | fputs ("fixincl ERROR: too many command line arguments\n", stderr); | |
250 | exit (EXIT_FAILURE); | |
251 | } | |
252 | ||
cc42f3d4 | 253 | #define _ENV_(v,m,n,t) { tSCC var[] = n; \ |
254 | v = getenv (var); if (m && (v == NULL)) { \ | |
255 | fprintf (stderr, var_not_found, var); \ | |
256 | exit (EXIT_FAILURE); } } | |
6274714d | 257 | |
cc42f3d4 | 258 | ENV_TABLE |
6274714d | 259 | |
cc42f3d4 | 260 | #undef _ENV_ |
6274714d | 261 | |
8322672c | 262 | if (ISDIGIT ( *pz_verbose )) |
cc42f3d4 | 263 | verbose_level = (te_verbose)atoi( pz_verbose ); |
264 | else | |
265 | switch (*pz_verbose) { | |
266 | case 's': | |
267 | case 'S': | |
268 | verbose_level = VERB_SILENT; break; | |
269 | ||
270 | case 'f': | |
271 | case 'F': | |
272 | verbose_level = VERB_FIXES; break; | |
273 | ||
274 | case 'a': | |
275 | case 'A': | |
276 | verbose_level = VERB_APPLIES; break; | |
277 | ||
278 | case 'p': | |
279 | case 'P': | |
280 | verbose_level = VERB_PROGRESS; break; | |
281 | ||
282 | case 't': | |
283 | case 'T': | |
284 | verbose_level = VERB_TESTS; break; | |
285 | ||
286 | case 'e': | |
287 | case 'E': | |
288 | verbose_level = VERB_EVERYTHING; break; | |
289 | } | |
3fc31df4 | 290 | |
cc42f3d4 | 291 | while ((pz_find_base[0] == '.') && (pz_find_base[1] == '/')) |
292 | pz_find_base += 2; | |
293 | if ((pz_find_base[0] != '.') || (pz_find_base[1] != NUL)) | |
294 | find_base_len = strlen( pz_find_base ); | |
198b32f6 | 295 | |
6bd06916 | 296 | /* Compile all the regular expressions now. |
297 | That way, it is done only once for the whole run. | |
298 | */ | |
299 | run_compiles (); | |
6274714d | 300 | |
d3aacc3b | 301 | # ifdef SEPARATE_FIX_PROC |
70ba55fd | 302 | /* NULL as the first argument to `tempnam' causes it to DTRT |
303 | wrt the temporary directory where the file will be created. */ | |
304 | pz_temp_file = tempnam( NULL, "fxinc" ); | |
305 | # endif | |
306 | ||
6bd06916 | 307 | signal (SIGQUIT, SIG_IGN); |
09fe1d5c | 308 | #ifdef SIGIOT |
6bd06916 | 309 | signal (SIGIOT, SIG_IGN); |
09fe1d5c | 310 | #endif |
70ba55fd | 311 | #ifdef SIGPIPE |
6bd06916 | 312 | signal (SIGPIPE, SIG_IGN); |
70ba55fd | 313 | #endif |
6bd06916 | 314 | signal (SIGALRM, SIG_IGN); |
315 | signal (SIGTERM, SIG_IGN); | |
6274714d | 316 | } |
6274714d | 317 | |
6bd06916 | 318 | /* * * * * * * * * * * * * |
5daf7ede | 319 | |
6bd06916 | 320 | load_file loads all the contents of a file into malloc-ed memory. |
321 | Its argument is the name of the file to read in; the returned | |
322 | result is the NUL terminated contents of the file. The file | |
323 | is presumed to be an ASCII text file containing no NULs. */ | |
6274714d | 324 | char * |
5daf7ede | 325 | load_file ( fname ) |
326 | const char* fname; | |
6274714d | 327 | { |
5daf7ede | 328 | struct stat stbf; |
329 | char* res; | |
6274714d | 330 | |
5daf7ede | 331 | if (stat (fname, &stbf) != 0) |
6274714d | 332 | { |
3fc31df4 | 333 | if (NOT_SILENT) |
334 | fprintf (stderr, "error %d (%s) stat-ing %s\n", | |
58113712 | 335 | errno, xstrerror (errno), fname ); |
5daf7ede | 336 | return (char *) NULL; |
6274714d | 337 | } |
5daf7ede | 338 | if (stbf.st_size == 0) |
339 | return (char*)NULL; | |
6274714d | 340 | |
4b834650 | 341 | /* Make the data map size one larger than the file size for documentation |
342 | purposes. Truth is that there will be a following NUL character if | |
343 | the file size is not a multiple of the page size. If it is a multiple, | |
344 | then this adjustment sometimes fails anyway. */ | |
5daf7ede | 345 | data_map_size = stbf.st_size+1; |
346 | data_map_fd = open (fname, O_RDONLY); | |
347 | ttl_data_size += data_map_size-1; | |
6274714d | 348 | |
5daf7ede | 349 | if (data_map_fd < 0) |
350 | { | |
3fc31df4 | 351 | if (NOT_SILENT) |
352 | fprintf (stderr, "error %d (%s) opening %s for read\n", | |
58113712 | 353 | errno, xstrerror (errno), fname); |
5daf7ede | 354 | return (char*)NULL; |
355 | } | |
6274714d | 356 | |
39af12e5 | 357 | #ifdef HAVE_MMAP_FILE |
5daf7ede | 358 | curr_data_mapped = BOOL_TRUE; |
4b834650 | 359 | |
360 | /* IF the file size is a multiple of the page size, | |
361 | THEN sometimes you will seg fault trying to access a trailing byte */ | |
c9d2e60d | 362 | if ((stbf.st_size & (getpagesize()-1)) == 0) |
4b834650 | 363 | res = (char*)BAD_ADDR; |
364 | else | |
365 | res = (char*)mmap ((void*)NULL, data_map_size, PROT_READ, | |
366 | MAP_PRIVATE, data_map_fd, 0); | |
5daf7ede | 367 | if (res == (char*)BAD_ADDR) |
368 | { | |
369 | curr_data_mapped = BOOL_FALSE; | |
370 | res = load_file_data ( fdopen (data_map_fd, "r")); | |
371 | } | |
372 | #else | |
373 | curr_data_mapped = BOOL_FALSE; | |
374 | res = load_file_data ( fdopen (data_map_fd, "r")); | |
375 | #endif | |
6274714d | 376 | |
5daf7ede | 377 | return res; |
6274714d | 378 | } |
379 | ||
8322672c | 380 | static int machine_matches PARAMS ((tFixDesc *)); |
381 | static int | |
70ba55fd | 382 | machine_matches( p_fixd ) |
383 | tFixDesc *p_fixd; | |
6bd06916 | 384 | { |
d3aacc3b | 385 | # ifndef SEPARATE_FIX_PROC |
5daf7ede | 386 | tSCC case_fmt[] = "case %s in\n"; /* 9 bytes, plus string */ |
d940655c | 387 | tSCC esac_fmt[] = |
388 | " )\n echo %s ;;\n* ) echo %s ;;\nesac";/* 4 bytes */ | |
5daf7ede | 389 | tSCC skip[] = "skip"; /* 4 bytes */ |
390 | tSCC run[] = "run"; /* 3 bytes */ | |
391 | /* total bytes to add to machine sum: 49 - see fixincl.tpl */ | |
392 | ||
6bd06916 | 393 | const char **papz_machs = p_fixd->papz_machs; |
5daf7ede | 394 | char *pz; |
8322672c | 395 | const char *pz_sep = ""; |
6bd06916 | 396 | tCC *pz_if_true; |
397 | tCC *pz_if_false; | |
5daf7ede | 398 | char cmd_buf[ MACH_LIST_SIZE_LIMIT ]; /* size lim from fixincl.tpl */ |
6bd06916 | 399 | |
5daf7ede | 400 | /* Start the case statement */ |
6bd06916 | 401 | |
5daf7ede | 402 | sprintf (cmd_buf, case_fmt, pz_machine); |
403 | pz = cmd_buf + strlen (cmd_buf); | |
6bd06916 | 404 | |
5daf7ede | 405 | /* Determine if a match means to apply the fix or not apply it */ |
6bd06916 | 406 | |
407 | if (p_fixd->fd_flags & FD_MACH_IFNOT) | |
408 | { | |
409 | pz_if_true = skip; | |
410 | pz_if_false = run; | |
411 | } | |
412 | else | |
413 | { | |
414 | pz_if_true = run; | |
415 | pz_if_false = skip; | |
416 | } | |
417 | ||
5daf7ede | 418 | /* Emit all the machine names. If there are more than one, |
419 | then we will insert " | \\\n" between the names */ | |
6bd06916 | 420 | |
421 | for (;;) | |
422 | { | |
423 | const char* pz_mach = *(papz_machs++); | |
424 | ||
425 | if (pz_mach == (const char*) NULL) | |
426 | break; | |
5daf7ede | 427 | sprintf (pz, "%s%s", pz_sep, pz_mach); |
6bd06916 | 428 | pz += strlen (pz); |
429 | pz_sep = " | \\\n"; | |
430 | } | |
5daf7ede | 431 | |
432 | /* Now emit the match and not-match actions and the esac */ | |
433 | ||
434 | sprintf (pz, esac_fmt, pz_if_true, pz_if_false); | |
6bd06916 | 435 | |
436 | /* Run the script. | |
437 | The result will start either with 's' or 'r'. */ | |
438 | ||
862bc769 | 439 | { |
440 | int skip; | |
5daf7ede | 441 | pz = run_shell (cmd_buf); |
862bc769 | 442 | skip = (*pz == 's'); |
443 | free ( (void*)pz ); | |
444 | if (skip) | |
445 | { | |
446 | p_fixd->fd_flags |= FD_SKIP_TEST; | |
70ba55fd | 447 | return BOOL_FALSE; |
448 | } | |
449 | } | |
450 | ||
451 | return BOOL_TRUE; | |
d3aacc3b | 452 | # else /* is SEPARATE_FIX_PROC */ |
70ba55fd | 453 | const char **papz_machs = p_fixd->papz_machs; |
454 | int invert = (p_fixd->fd_flags & FD_MACH_IFNOT) != 0; | |
455 | for (;;) | |
456 | { | |
457 | const char* pz_mach = *(papz_machs++); | |
458 | ||
459 | if (pz_mach == (const char*) NULL) | |
460 | break; | |
461 | if (strstr (pz_mach, "dos") != NULL && !invert) | |
462 | return BOOL_TRUE; | |
463 | } | |
464 | ||
465 | p_fixd->fd_flags |= FD_SKIP_TEST; | |
466 | return BOOL_FALSE; | |
467 | # endif | |
468 | } | |
469 | ||
470 | /* * * * * * * * * * * * * | |
471 | ||
472 | run_compiles run all the regexp compiles for all the fixes once. | |
473 | */ | |
474 | void | |
475 | run_compiles () | |
476 | { | |
477 | tFixDesc *p_fixd = fixDescList; | |
478 | int fix_ct = FIX_COUNT; | |
719884dd | 479 | regex_t *p_re = (regex_t *) xmalloc (REGEX_COUNT * sizeof (regex_t)); |
70ba55fd | 480 | |
481 | /* Make sure compile_re does not stumble across invalid data */ | |
482 | ||
483 | memset ( (void*)p_re, '\0', REGEX_COUNT * sizeof (regex_t) ); | |
484 | memset ( (void*)&incl_quote_re, '\0', sizeof (regex_t) ); | |
485 | ||
486 | compile_re (incl_quote_pat, &incl_quote_re, 1, | |
487 | "quoted include", "run_compiles"); | |
488 | ||
489 | /* Allow machine name tests to be ignored (testing, mainly) */ | |
490 | ||
491 | if (pz_machine && ((*pz_machine == '\0') || (*pz_machine == '*'))) | |
492 | pz_machine = (char*)NULL; | |
493 | ||
494 | /* FOR every fixup, ... */ | |
495 | do | |
496 | { | |
497 | tTestDesc *p_test = p_fixd->p_test_desc; | |
498 | int test_ct = p_fixd->test_ct; | |
499 | ||
500 | /* IF the machine type pointer is not NULL (we are not in test mode) | |
501 | AND this test is for or not done on particular machines | |
502 | THEN ... */ | |
503 | ||
504 | if ( (pz_machine != NULL) | |
505 | && (p_fixd->papz_machs != (const char**) NULL) | |
506 | && ! machine_matches (p_fixd) ) | |
507 | continue; | |
6274714d | 508 | |
6bd06916 | 509 | /* FOR every test for the fixup, ... */ |
510 | ||
511 | while (--test_ct >= 0) | |
6274714d | 512 | { |
6bd06916 | 513 | switch (p_test->type) |
6274714d | 514 | { |
515 | case TT_EGREP: | |
516 | case TT_NEGREP: | |
6bd06916 | 517 | p_test->p_test_regex = p_re++; |
09fe1d5c | 518 | compile_re (p_test->pz_test_text, p_test->p_test_regex, 0, |
519 | "select test", p_fixd->fix_name); | |
2548396b | 520 | default: break; |
09fe1d5c | 521 | } |
6bd06916 | 522 | p_test++; |
6274714d | 523 | } |
524 | } | |
6bd06916 | 525 | while (p_fixd++, --fix_ct > 0); |
6274714d | 526 | } |
527 | ||
528 | ||
6bd06916 | 529 | /* * * * * * * * * * * * * |
5daf7ede | 530 | |
6bd06916 | 531 | create_file Create the output modified file. |
532 | Input: the name of the file to create | |
533 | Returns: a file pointer to the new, open file */ | |
534 | ||
27928b9a | 535 | #if defined(S_IRUSR) && defined(S_IWUSR) && \ |
536 | defined(S_IRGRP) && defined(S_IROTH) | |
537 | ||
538 | # define S_IRALL (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) | |
539 | #else | |
540 | # define S_IRALL 0644 | |
541 | #endif | |
542 | ||
543 | #if defined(S_IRWXU) && defined(S_IRGRP) && defined(S_IXGRP) && \ | |
544 | defined(S_IROTH) && defined(S_IXOTH) | |
545 | ||
546 | # define S_DIRALL (S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) | |
547 | #else | |
548 | # define S_DIRALL 0755 | |
549 | #endif | |
550 | ||
6bd06916 | 551 | |
8322672c | 552 | static FILE *create_file PARAMS ((void)); |
553 | static FILE * | |
5daf7ede | 554 | create_file () |
6274714d | 555 | { |
556 | int fd; | |
557 | FILE *pf; | |
558 | char fname[MAXPATHLEN]; | |
559 | ||
5daf7ede | 560 | sprintf (fname, "%s/%s", pz_dest_dir, pz_curr_file + find_base_len); |
6274714d | 561 | |
6bd06916 | 562 | fd = open (fname, O_WRONLY | O_CREAT | O_TRUNC, S_IRALL); |
6274714d | 563 | |
6bd06916 | 564 | /* We may need to create the directories needed... */ |
6274714d | 565 | if ((fd < 0) && (errno == ENOENT)) |
566 | { | |
6bd06916 | 567 | char *pz_dir = strchr (fname + 1, '/'); |
6274714d | 568 | struct stat stbf; |
569 | ||
6bd06916 | 570 | while (pz_dir != (char *) NULL) |
6274714d | 571 | { |
6bd06916 | 572 | *pz_dir = NUL; |
6274714d | 573 | if (stat (fname, &stbf) < 0) |
574 | { | |
27928b9a | 575 | mkdir (fname, S_IFDIR | S_DIRALL); |
6274714d | 576 | } |
577 | ||
6bd06916 | 578 | *pz_dir = '/'; |
579 | pz_dir = strchr (pz_dir + 1, '/'); | |
6274714d | 580 | } |
6bd06916 | 581 | |
582 | /* Now, lets try the open again... */ | |
583 | fd = open (fname, O_WRONLY | O_CREAT | O_TRUNC, S_IRALL); | |
6274714d | 584 | } |
585 | if (fd < 0) | |
586 | { | |
587 | fprintf (stderr, "Error %d (%s) creating %s\n", | |
58113712 | 588 | errno, xstrerror (errno), fname); |
6274714d | 589 | exit (EXIT_FAILURE); |
590 | } | |
3fc31df4 | 591 | if (NOT_SILENT) |
592 | fprintf (stderr, "Fixed: %s\n", pz_curr_file); | |
6274714d | 593 | pf = fdopen (fd, "w"); |
594 | ||
cc42f3d4 | 595 | /* |
596 | * IF pz_machine is NULL, then we are in some sort of test mode. | |
597 | * Do not insert the current directory name. Use a constant string. | |
598 | */ | |
599 | fprintf (pf, z_std_preamble, | |
600 | (pz_machine == NULL) | |
601 | ? "fixinc/tests/inc" | |
602 | : pz_input_dir, | |
603 | pz_curr_file); | |
6bd06916 | 604 | |
6274714d | 605 | return pf; |
606 | } | |
607 | ||
6274714d | 608 | |
6bd06916 | 609 | /* * * * * * * * * * * * * |
6274714d | 610 | |
6bd06916 | 611 | test_test make sure a shell-style test expression passes. |
612 | Input: a pointer to the descriptor of the test to run and | |
613 | the name of the file that we might want to fix | |
5daf7ede | 614 | Result: APPLY_FIX or SKIP_FIX, depending on the result of the |
6bd06916 | 615 | shell script we run. */ |
d3aacc3b | 616 | #ifndef SEPARATE_FIX_PROC |
8322672c | 617 | static int test_test PARAMS ((tTestDesc *, char *)); |
618 | static int | |
5daf7ede | 619 | test_test (p_test, pz_test_file) |
6bd06916 | 620 | tTestDesc *p_test; |
5daf7ede | 621 | char* pz_test_file; |
6bd06916 | 622 | { |
09b00b9e | 623 | tSCC cmd_fmt[] = |
624 | "file=%s\n\ | |
625 | if ( test %s ) > /dev/null 2>&1\n\ | |
626 | then echo TRUE\n\ | |
627 | else echo FALSE\n\ | |
628 | fi"; | |
629 | ||
6bd06916 | 630 | char *pz_res; |
41cdbdba | 631 | int res; |
6bd06916 | 632 | |
633 | static char cmd_buf[4096]; | |
6bd06916 | 634 | |
5daf7ede | 635 | sprintf (cmd_buf, cmd_fmt, pz_test_file, p_test->pz_test_text); |
6bd06916 | 636 | pz_res = run_shell (cmd_buf); |
41cdbdba | 637 | |
638 | switch (*pz_res) { | |
639 | case 'T': | |
5daf7ede | 640 | res = APPLY_FIX; |
41cdbdba | 641 | break; |
642 | ||
643 | case 'F': | |
644 | res = SKIP_FIX; | |
645 | break; | |
646 | ||
647 | default: | |
648 | fprintf (stderr, "Script yielded bogus result of `%s':\n%s\n\n", | |
649 | pz_res, cmd_buf ); | |
650 | } | |
651 | ||
6bd06916 | 652 | free ((void *) pz_res); |
6274714d | 653 | return res; |
654 | } | |
70ba55fd | 655 | #else |
656 | /* | |
657 | * IF we are in MS-DOS land, then whatever shell-type test is required | |
658 | * will, by definition, fail | |
659 | */ | |
660 | #define test_test(t,tf) SKIP_FIX | |
661 | #endif | |
6274714d | 662 | |
6bd06916 | 663 | /* * * * * * * * * * * * * |
5daf7ede | 664 | |
6bd06916 | 665 | egrep_test make sure an egrep expression is found in the file text. |
666 | Input: a pointer to the descriptor of the test to run and | |
667 | the pointer to the contents of the file under suspicion | |
5daf7ede | 668 | Result: APPLY_FIX if the pattern is found, SKIP_FIX otherwise |
6bd06916 | 669 | |
5daf7ede | 670 | The caller may choose to reverse meaning if the sense of the test |
6bd06916 | 671 | is inverted. */ |
672 | ||
8322672c | 673 | static int egrep_test PARAMS ((char *, tTestDesc *)); |
674 | static int | |
6bd06916 | 675 | egrep_test (pz_data, p_test) |
676 | char *pz_data; | |
677 | tTestDesc *p_test; | |
6274714d | 678 | { |
5daf7ede | 679 | #ifdef DEBUG |
6bd06916 | 680 | if (p_test->p_test_regex == 0) |
681 | fprintf (stderr, "fixincl ERROR RE not compiled: `%s'\n", | |
682 | p_test->pz_test_text); | |
6274714d | 683 | #endif |
d6d7d999 | 684 | if (regexec (p_test->p_test_regex, pz_data, 0, 0, 0) == 0) |
5daf7ede | 685 | return APPLY_FIX; |
686 | return SKIP_FIX; | |
6274714d | 687 | } |
688 | ||
689 | ||
09b00b9e | 690 | /* * * * * * * * * * * * * |
691 | ||
692 | quoted_file_exists Make sure that a file exists before we emit | |
693 | the file name. If we emit the name, our invoking shell will try | |
694 | to copy a non-existing file into the destination directory. */ | |
695 | ||
8322672c | 696 | static int quoted_file_exists PARAMS ((const char *, const char *, const char *)); |
697 | static int | |
09b00b9e | 698 | quoted_file_exists (pz_src_path, pz_file_path, pz_file) |
8322672c | 699 | const char *pz_src_path; |
700 | const char *pz_file_path; | |
701 | const char *pz_file; | |
09b00b9e | 702 | { |
703 | char z[ MAXPATHLEN ]; | |
704 | char* pz; | |
705 | sprintf (z, "%s/%s/", pz_src_path, pz_file_path); | |
706 | pz = z + strlen ( z ); | |
707 | ||
708 | for (;;) { | |
709 | char ch = *pz_file++; | |
5daf7ede | 710 | if (! ISGRAPH( ch )) |
09b00b9e | 711 | return 0; |
712 | if (ch == '"') | |
713 | break; | |
714 | *pz++ = ch; | |
715 | } | |
716 | *pz = '\0'; | |
717 | { | |
718 | struct stat s; | |
719 | if (stat (z, &s) != 0) | |
720 | return 0; | |
721 | return S_ISREG( s.st_mode ); | |
722 | } | |
723 | } | |
724 | ||
725 | ||
6bd06916 | 726 | /* * * * * * * * * * * * * |
727 | * | |
728 | extract_quoted_files | |
5daf7ede | 729 | |
6bd06916 | 730 | The syntax, `#include "file.h"' specifies that the compiler is to |
731 | search the local directory of the current file before the include | |
732 | list. Consequently, if we have modified a header and stored it in | |
733 | another directory, any files that are included by that modified | |
734 | file in that fashion must also be copied into this new directory. | |
735 | This routine finds those flavors of #include and for each one found | |
736 | emits a triple of: | |
5daf7ede | 737 | |
6bd06916 | 738 | 1. source directory of the original file |
739 | 2. the relative path file name of the #includ-ed file | |
740 | 3. the full destination path for this file | |
741 | ||
742 | Input: the text of the file, the file name and a pointer to the | |
743 | match list where the match information was stored. | |
744 | Result: internally nothing. The results are written to stdout | |
745 | for interpretation by the invoking shell */ | |
6274714d | 746 | |
09b00b9e | 747 | |
8322672c | 748 | static void extract_quoted_files PARAMS ((char *, const char *, regmatch_t *)); |
749 | static void | |
5daf7ede | 750 | extract_quoted_files (pz_data, pz_fixed_file, p_re_match) |
6bd06916 | 751 | char *pz_data; |
5daf7ede | 752 | const char *pz_fixed_file; |
6bd06916 | 753 | regmatch_t *p_re_match; |
6274714d | 754 | { |
5daf7ede | 755 | char *pz_dir_end = strrchr (pz_fixed_file, '/'); |
6bd06916 | 756 | char *pz_incl_quot = pz_data; |
6274714d | 757 | |
3fc31df4 | 758 | if (VLEVEL( VERB_APPLIES )) |
759 | fprintf (stderr, "Quoted includes in %s\n", pz_fixed_file); | |
6274714d | 760 | |
5daf7ede | 761 | /* Set "pz_fixed_file" to point to the containing subdirectory of the source |
09b00b9e | 762 | If there is none, then it is in our current directory, ".". */ |
6bd06916 | 763 | |
764 | if (pz_dir_end == (char *) NULL) | |
5daf7ede | 765 | pz_fixed_file = "."; |
6274714d | 766 | else |
6bd06916 | 767 | *pz_dir_end = '\0'; |
6274714d | 768 | |
769 | for (;;) | |
770 | { | |
6bd06916 | 771 | pz_incl_quot += p_re_match->rm_so; |
772 | ||
773 | /* Skip forward to the included file name */ | |
93ce8ce4 | 774 | while (*pz_incl_quot != '"') |
6bd06916 | 775 | pz_incl_quot++; |
6bd06916 | 776 | |
5daf7ede | 777 | if (quoted_file_exists (pz_src_dir, pz_fixed_file, pz_incl_quot)) |
09b00b9e | 778 | { |
779 | /* Print the source directory and the subdirectory | |
780 | of the file in question. */ | |
5daf7ede | 781 | printf ("%s %s/", pz_src_dir, pz_fixed_file); |
09b00b9e | 782 | pz_dir_end = pz_incl_quot; |
783 | ||
784 | /* Append to the directory the relative path of the desired file */ | |
785 | while (*pz_incl_quot != '"') | |
786 | putc (*pz_incl_quot++, stdout); | |
787 | ||
788 | /* Now print the destination directory appended with the | |
789 | relative path of the desired file */ | |
5daf7ede | 790 | printf (" %s/%s/", pz_dest_dir, pz_fixed_file); |
09b00b9e | 791 | while (*pz_dir_end != '"') |
792 | putc (*pz_dir_end++, stdout); | |
793 | ||
794 | /* End of entry */ | |
795 | putc ('\n', stdout); | |
796 | } | |
6274714d | 797 | |
6bd06916 | 798 | /* Find the next entry */ |
799 | if (regexec (&incl_quote_re, pz_incl_quot, 1, p_re_match, 0) != 0) | |
6274714d | 800 | break; |
801 | } | |
802 | } | |
803 | ||
804 | ||
5daf7ede | 805 | /* * * * * * * * * * * * * |
806 | ||
807 | Somebody wrote a *_fix subroutine that we must call. | |
808 | */ | |
d3aacc3b | 809 | #ifndef SEPARATE_FIX_PROC |
8322672c | 810 | static int internal_fix PARAMS ((int, tFixDesc *)); |
811 | static int | |
5daf7ede | 812 | internal_fix (read_fd, p_fixd) |
813 | int read_fd; | |
814 | tFixDesc* p_fixd; | |
815 | { | |
816 | int fd[2]; | |
817 | ||
818 | if (pipe( fd ) != 0) | |
819 | { | |
820 | fprintf (stderr, "Error %d on pipe(2) call\n", errno ); | |
821 | exit (EXIT_FAILURE); | |
822 | } | |
823 | ||
824 | for (;;) | |
825 | { | |
826 | pid_t childid = fork(); | |
827 | ||
828 | switch (childid) | |
829 | { | |
830 | case -1: | |
831 | break; | |
832 | ||
833 | case 0: | |
834 | close (fd[0]); | |
835 | goto do_child_task; | |
836 | ||
837 | default: | |
838 | /* | |
839 | * Parent process | |
840 | */ | |
841 | close (read_fd); | |
842 | close (fd[1]); | |
843 | return fd[0]; | |
844 | } | |
845 | ||
846 | /* | |
847 | * Parent in error | |
848 | */ | |
58113712 | 849 | fprintf (stderr, z_fork_err, errno, xstrerror (errno), |
5daf7ede | 850 | p_fixd->fix_name); |
851 | { | |
852 | static int failCt = 0; | |
853 | if ((errno != EAGAIN) || (++failCt > 10)) | |
854 | exit (EXIT_FAILURE); | |
855 | sleep (1); | |
856 | } | |
857 | } do_child_task:; | |
858 | ||
859 | /* | |
860 | * Close our current stdin and stdout | |
861 | */ | |
862 | close (STDIN_FILENO); | |
863 | close (STDOUT_FILENO); | |
864 | UNLOAD_DATA(); | |
865 | ||
866 | /* | |
867 | * Make the fd passed in the stdin, and the write end of | |
868 | * the new pipe become the stdout. | |
869 | */ | |
870 | fcntl (fd[1], F_DUPFD, STDOUT_FILENO); | |
871 | fcntl (read_fd, F_DUPFD, STDIN_FILENO); | |
5daf7ede | 872 | |
09fe1d5c | 873 | apply_fix (p_fixd, pz_curr_file); |
5daf7ede | 874 | exit (0); |
875 | } | |
d3aacc3b | 876 | #endif /* !SEPARATE_FIX_PROC */ |
70ba55fd | 877 | |
878 | ||
d3aacc3b | 879 | #ifdef SEPARATE_FIX_PROC |
70ba55fd | 880 | static void |
881 | fix_with_system (p_fixd, pz_fix_file, pz_file_source, pz_temp_file) | |
882 | tFixDesc* p_fixd; | |
883 | tCC* pz_fix_file; | |
884 | tCC* pz_file_source; | |
885 | tCC* pz_temp_file; | |
886 | { | |
887 | char* pz_cmd; | |
888 | char* pz_scan; | |
889 | size_t argsize; | |
890 | ||
891 | if (p_fixd->fd_flags & FD_SUBROUTINE) | |
892 | { | |
893 | tSCC z_applyfix_prog[] = "/fixinc/applyfix"; | |
894 | ||
895 | argsize = 32 | |
896 | + strlen( pz_orig_dir ) | |
897 | + sizeof( z_applyfix_prog ) | |
898 | + strlen( pz_fix_file ) | |
899 | + strlen( pz_file_source ) | |
900 | + strlen( pz_temp_file ); | |
901 | ||
902 | pz_cmd = (char*)xmalloc( argsize ); | |
5daf7ede | 903 | |
70ba55fd | 904 | strcpy( pz_cmd, pz_orig_dir ); |
905 | pz_scan = pz_cmd + strlen( pz_orig_dir ); | |
906 | strcpy( pz_scan, z_applyfix_prog ); | |
907 | pz_scan += sizeof( z_applyfix_prog ) - 1; | |
908 | *(pz_scan++) = ' '; | |
909 | ||
910 | /* | |
911 | * Now add the fix number and file names that may be needed | |
912 | */ | |
913 | sprintf (pz_scan, "%ld %s %s %s", p_fixd - fixDescList, | |
914 | pz_fix_file, pz_file_source, pz_temp_file); | |
915 | } | |
916 | else /* NOT an "internal" fix: */ | |
917 | { | |
918 | size_t parg_size; | |
d3aacc3b | 919 | #ifdef __MSDOS__ |
70ba55fd | 920 | /* Don't use the "src > dstX; rm -f dst; mv -f dstX dst" trick: |
d3aacc3b | 921 | dst is a temporary file anyway, so we know there's no other |
922 | file by that name; and DOS's system(3) doesn't mind to | |
d8c5d866 | 923 | clobber existing file in redirection. Besides, with DOS 8+3 |
924 | limited file namespace, we can easily lose if dst already has | |
925 | an extension that is 3 or more characters long. | |
d3aacc3b | 926 | |
927 | I do not think the 8+3 issue is relevant because all the files | |
928 | we operate on are named "*.h", making 8+2 adequate. Anyway, | |
929 | the following bizarre use of 'cat' only works on DOS boxes. | |
930 | It causes the file to be dropped into a temporary file for | |
d8c5d866 | 931 | 'cat' to read (pipes do not work on DOS). */ |
932 | tSCC z_cmd_fmt[] = " %s | cat > %s"; | |
d3aacc3b | 933 | #else |
934 | /* Don't use positional formatting arguments because some lame-o | |
935 | implementations cannot cope :-(. */ | |
936 | tSCC z_cmd_fmt[] = " %s > %sX ; rm -f %s; mv -f %sX %s"; | |
937 | #endif | |
70ba55fd | 938 | tCC** ppArgs = p_fixd->patch_args; |
939 | ||
940 | argsize = sizeof( z_cmd_fmt ) + strlen( pz_temp_file ) | |
941 | + strlen( pz_file_source ); | |
942 | parg_size = argsize; | |
943 | ||
944 | ||
945 | /* | |
946 | * Compute the size of the command line. Add lotsa extra space | |
947 | * because some of the args to sed use lotsa single quotes. | |
948 | * (This requires three extra bytes per quote. Here we allow | |
949 | * for up to 8 single quotes for each argument, including the | |
950 | * command name "sed" itself. Nobody will *ever* need more. :) | |
951 | */ | |
952 | for (;;) | |
953 | { | |
954 | tCC* p_arg = *(ppArgs++); | |
955 | if (p_arg == NULL) | |
956 | break; | |
957 | argsize += 24 + strlen( p_arg ); | |
958 | } | |
959 | ||
960 | /* Estimated buffer size we will need. */ | |
961 | pz_scan = pz_cmd = (char*)xmalloc( argsize ); | |
962 | /* How much of it do we allot to the program name and its | |
963 | arguments. */ | |
964 | parg_size = argsize - parg_size; | |
965 | ||
966 | ppArgs = p_fixd->patch_args; | |
967 | ||
968 | /* | |
969 | * Copy the program name, unquoted | |
970 | */ | |
971 | { | |
972 | tCC* pArg = *(ppArgs++); | |
973 | for (;;) | |
974 | { | |
975 | char ch = *(pArg++); | |
976 | if (ch == NUL) | |
977 | break; | |
978 | *(pz_scan++) = ch; | |
979 | } | |
980 | } | |
981 | ||
982 | /* | |
983 | * Copy the program arguments, quoted | |
984 | */ | |
985 | for (;;) | |
986 | { | |
987 | tCC* pArg = *(ppArgs++); | |
988 | char* pz_scan_save; | |
989 | if (pArg == NULL) | |
990 | break; | |
991 | *(pz_scan++) = ' '; | |
992 | pz_scan = make_raw_shell_str( pz_scan_save = pz_scan, pArg, | |
993 | parg_size - (pz_scan - pz_cmd) ); | |
994 | /* | |
995 | * Make sure we don't overflow the buffer due to sloppy | |
996 | * size estimation. | |
997 | */ | |
998 | while (pz_scan == (char*)NULL) | |
999 | { | |
1000 | size_t already_filled = pz_scan_save - pz_cmd; | |
1001 | pz_cmd = (char*)xrealloc( pz_cmd, argsize += 100 ); | |
1002 | pz_scan_save = pz_scan = pz_cmd + already_filled; | |
1003 | parg_size += 100; | |
1004 | pz_scan = make_raw_shell_str( pz_scan, pArg, | |
1005 | parg_size - (pz_scan - pz_cmd) ); | |
1006 | } | |
1007 | } | |
1008 | ||
1009 | /* | |
1010 | * add the file machinations. | |
1011 | */ | |
103b4d3e | 1012 | #ifdef __MSDOS__ |
d3aacc3b | 1013 | sprintf (pz_scan, z_cmd_fmt, pz_file_source, pz_temp_file ); |
1014 | #else | |
1015 | sprintf (pz_scan, z_cmd_fmt, pz_file_source, pz_temp_file, | |
1016 | pz_temp_file, pz_temp_file, pz_temp_file); | |
1017 | #endif | |
70ba55fd | 1018 | } |
1019 | system( pz_cmd ); | |
1020 | free( (void*)pz_cmd ); | |
1021 | } | |
a99c7b98 | 1022 | |
1023 | /* * * * * * * * * * * * * | |
1024 | ||
1025 | This loop should only cycle for 1/2 of one loop. | |
1026 | "chain_open" starts a process that uses "read_fd" as | |
1027 | its stdin and returns the new fd this process will use | |
1028 | for stdout. */ | |
1029 | ||
d3aacc3b | 1030 | #else /* is *NOT* SEPARATE_FIX_PROC */ |
8322672c | 1031 | static int start_fixer PARAMS ((int, tFixDesc *, char *)); |
1032 | static int | |
5daf7ede | 1033 | start_fixer (read_fd, p_fixd, pz_fix_file) |
a99c7b98 | 1034 | int read_fd; |
1035 | tFixDesc* p_fixd; | |
5daf7ede | 1036 | char* pz_fix_file; |
a99c7b98 | 1037 | { |
a99c7b98 | 1038 | tCC* pz_cmd_save; |
1039 | char* pz_cmd; | |
1040 | ||
5daf7ede | 1041 | if ((p_fixd->fd_flags & FD_SUBROUTINE) != 0) |
1042 | return internal_fix (read_fd, p_fixd); | |
1043 | ||
a99c7b98 | 1044 | if ((p_fixd->fd_flags & FD_SHELL_SCRIPT) == 0) |
1045 | pz_cmd = (char*)NULL; | |
1046 | else | |
1047 | { | |
1048 | tSCC z_cmd_fmt[] = "file='%s'\n%s"; | |
719884dd | 1049 | pz_cmd = (char*) xmalloc (strlen (p_fixd->patch_args[2]) |
1050 | + sizeof( z_cmd_fmt ) | |
1051 | + strlen( pz_fix_file )); | |
5daf7ede | 1052 | sprintf (pz_cmd, z_cmd_fmt, pz_fix_file, p_fixd->patch_args[2]); |
a99c7b98 | 1053 | pz_cmd_save = p_fixd->patch_args[2]; |
1054 | p_fixd->patch_args[2] = pz_cmd; | |
1055 | } | |
1056 | ||
3fc31df4 | 1057 | /* Start a fix process, handing off the previous read fd for its |
1058 | stdin and getting a new fd that reads from the fix process' stdout. | |
1059 | We normally will not loop, but we will up to 10 times if we keep | |
1060 | getting "EAGAIN" errors. | |
1061 | ||
1062 | */ | |
a99c7b98 | 1063 | for (;;) |
1064 | { | |
1065 | static int failCt = 0; | |
1066 | int fd; | |
1067 | ||
1068 | fd = chain_open (read_fd, | |
1069 | (t_pchar *) p_fixd->patch_args, | |
1070 | (process_chain_head == -1) | |
1071 | ? &process_chain_head : (pid_t *) NULL); | |
1072 | ||
1073 | if (fd != -1) | |
1074 | { | |
1075 | read_fd = fd; | |
1076 | break; | |
1077 | } | |
1078 | ||
58113712 | 1079 | fprintf (stderr, z_fork_err, errno, xstrerror (errno), |
a99c7b98 | 1080 | p_fixd->fix_name); |
1081 | ||
1082 | if ((errno != EAGAIN) || (++failCt > 10)) | |
1083 | exit (EXIT_FAILURE); | |
1084 | sleep (1); | |
1085 | } | |
1086 | ||
3fc31df4 | 1087 | /* IF we allocated a shell script command, |
1088 | THEN free it and restore the command format to the fix description */ | |
a99c7b98 | 1089 | if (pz_cmd != (char*)NULL) |
1090 | { | |
1091 | free ((void*)pz_cmd); | |
1092 | p_fixd->patch_args[2] = pz_cmd_save; | |
1093 | } | |
1094 | ||
1095 | return read_fd; | |
1096 | } | |
70ba55fd | 1097 | #endif |
a99c7b98 | 1098 | |
5daf7ede | 1099 | |
6bd06916 | 1100 | /* * * * * * * * * * * * * |
1101 | ||
1102 | Process the potential fixes for a particular include file. | |
1103 | Input: the original text of the file and the file's name | |
1104 | Result: none. A new file may or may not be created. */ | |
1105 | ||
8322672c | 1106 | static t_bool fix_applies PARAMS ((tFixDesc *)); |
1107 | static t_bool | |
5daf7ede | 1108 | fix_applies (p_fixd) |
1109 | tFixDesc *p_fixd; | |
6274714d | 1110 | { |
137f9f6b | 1111 | const char *pz_fname = pz_curr_file; |
1112 | const char *pz_scan = p_fixd->file_list; | |
5daf7ede | 1113 | int test_ct; |
1114 | tTestDesc *p_test; | |
6274714d | 1115 | |
d3aacc3b | 1116 | # ifdef SEPARATE_FIX_PROC |
70ba55fd | 1117 | /* |
1118 | * There is only one fix that uses a shell script as of this writing. | |
1119 | * I hope to nuke it anyway, it does not apply to DOS and it would | |
1120 | * be painful to implement. Therefore, no "shell" fixes for DOS. | |
1121 | */ | |
1122 | if (p_fixd->fd_flags & (FD_SHELL_SCRIPT | FD_SKIP_TEST)) | |
1123 | return BOOL_FALSE; | |
1124 | # else | |
5daf7ede | 1125 | if (p_fixd->fd_flags & FD_SKIP_TEST) |
1126 | return BOOL_FALSE; | |
70ba55fd | 1127 | # endif |
6274714d | 1128 | |
5daf7ede | 1129 | /* IF there is a file name restriction, |
1130 | THEN ensure the current file name matches one in the pattern */ | |
1131 | ||
137f9f6b | 1132 | if (pz_scan != (char *) NULL) |
5daf7ede | 1133 | { |
5daf7ede | 1134 | size_t name_len; |
6274714d | 1135 | |
5daf7ede | 1136 | while ((pz_fname[0] == '.') && (pz_fname[1] == '/')) |
1137 | pz_fname += 2; | |
1138 | name_len = strlen (pz_fname); | |
6bd06916 | 1139 | |
5daf7ede | 1140 | for (;;) |
6274714d | 1141 | { |
5daf7ede | 1142 | pz_scan = strstr (pz_scan + 1, pz_fname); |
1143 | /* IF we can't match the string at all, | |
1144 | THEN bail */ | |
70ba55fd | 1145 | if (pz_scan == (char *) NULL) |
5daf7ede | 1146 | return BOOL_FALSE; |
6274714d | 1147 | |
5daf7ede | 1148 | /* IF the match is surrounded by the '|' markers, |
1149 | THEN we found a full match -- time to run the tests */ | |
6274714d | 1150 | |
5daf7ede | 1151 | if ((pz_scan[-1] == '|') && (pz_scan[name_len] == '|')) |
1152 | break; | |
1153 | } | |
1154 | } | |
6274714d | 1155 | |
5daf7ede | 1156 | /* FOR each test, see if it fails. |
1157 | IF it does fail, then we go on to the next test */ | |
6bd06916 | 1158 | |
5daf7ede | 1159 | for (p_test = p_fixd->p_test_desc, test_ct = p_fixd->test_ct; |
1160 | test_ct-- > 0; | |
1161 | p_test++) | |
1162 | { | |
1163 | switch (p_test->type) | |
1164 | { | |
1165 | case TT_TEST: | |
3fc31df4 | 1166 | if (test_test (p_test, pz_curr_file) != APPLY_FIX) { |
1167 | #ifdef DEBUG | |
1168 | if (VLEVEL( VERB_EVERYTHING )) | |
41cdbdba | 1169 | fprintf (stderr, z_failed, "TEST", p_fixd->fix_name, |
1170 | pz_fname, p_fixd->test_ct - test_ct); | |
3fc31df4 | 1171 | #endif |
5daf7ede | 1172 | return BOOL_FALSE; |
3fc31df4 | 1173 | } |
5daf7ede | 1174 | break; |
1175 | ||
1176 | case TT_EGREP: | |
3fc31df4 | 1177 | if (egrep_test (pz_curr_data, p_test) != APPLY_FIX) { |
1178 | #ifdef DEBUG | |
1179 | if (VLEVEL( VERB_EVERYTHING )) | |
41cdbdba | 1180 | fprintf (stderr, z_failed, "EGREP", p_fixd->fix_name, |
1181 | pz_fname, p_fixd->test_ct - test_ct); | |
3fc31df4 | 1182 | #endif |
5daf7ede | 1183 | return BOOL_FALSE; |
3fc31df4 | 1184 | } |
5daf7ede | 1185 | break; |
1186 | ||
1187 | case TT_NEGREP: | |
3fc31df4 | 1188 | if (egrep_test (pz_curr_data, p_test) == APPLY_FIX) { |
1189 | #ifdef DEBUG | |
1190 | if (VLEVEL( VERB_EVERYTHING )) | |
41cdbdba | 1191 | fprintf (stderr, z_failed, "NEGREP", p_fixd->fix_name, |
1192 | pz_fname, p_fixd->test_ct - test_ct); | |
3fc31df4 | 1193 | #endif |
5daf7ede | 1194 | /* Negated sense */ |
1195 | return BOOL_FALSE; | |
3fc31df4 | 1196 | } |
5daf7ede | 1197 | break; |
1198 | ||
1199 | case TT_FUNCTION: | |
1200 | if (run_test (p_test->pz_test_text, pz_curr_file, pz_curr_data) | |
3fc31df4 | 1201 | != APPLY_FIX) { |
1202 | #ifdef DEBUG | |
1203 | if (VLEVEL( VERB_EVERYTHING )) | |
41cdbdba | 1204 | fprintf (stderr, z_failed, "FTEST", p_fixd->fix_name, |
1205 | pz_fname, p_fixd->test_ct - test_ct); | |
3fc31df4 | 1206 | #endif |
5daf7ede | 1207 | return BOOL_FALSE; |
3fc31df4 | 1208 | } |
5daf7ede | 1209 | break; |
6274714d | 1210 | } |
5daf7ede | 1211 | } |
6274714d | 1212 | |
5daf7ede | 1213 | return BOOL_TRUE; |
1214 | } | |
6274714d | 1215 | |
6274714d | 1216 | |
5daf7ede | 1217 | /* * * * * * * * * * * * * |
1218 | ||
1219 | Write out a replacement file */ | |
1220 | ||
8322672c | 1221 | static void write_replacement PARAMS ((tFixDesc *)); |
1222 | static void | |
5daf7ede | 1223 | write_replacement (p_fixd) |
1224 | tFixDesc *p_fixd; | |
1225 | { | |
1226 | const char* pz_text = p_fixd->patch_args[0]; | |
1227 | ||
1228 | if ((pz_text == (char*)NULL) || (*pz_text == NUL)) | |
1229 | return; | |
1230 | ||
1231 | { | |
8322672c | 1232 | FILE* out_fp = create_file (); |
5daf7ede | 1233 | fputs (pz_text, out_fp); |
1234 | fclose (out_fp); | |
1235 | } | |
1236 | } | |
1237 | ||
1238 | ||
1239 | /* * * * * * * * * * * * * | |
1240 | ||
1241 | We have work to do. Read back in the output | |
1242 | of the filtering chain. Compare each byte as we read it with | |
1243 | the contents of the original file. As soon as we find any | |
1244 | difference, we will create the output file, write out all | |
1245 | the matched text and then copy any remaining data from the | |
1246 | output of the filter chain. | |
1247 | */ | |
8322672c | 1248 | static void test_for_changes PARAMS ((int)); |
1249 | static void | |
5daf7ede | 1250 | test_for_changes (read_fd) |
1251 | int read_fd; | |
1252 | { | |
1253 | FILE *in_fp = fdopen (read_fd, "r"); | |
1254 | FILE *out_fp = (FILE *) NULL; | |
1255 | char *pz_cmp = pz_curr_data; | |
1256 | ||
1257 | #ifdef DO_STATS | |
1258 | fixed_ct++; | |
6bd06916 | 1259 | #endif |
5daf7ede | 1260 | for (;;) |
1261 | { | |
1262 | int ch; | |
6274714d | 1263 | |
5daf7ede | 1264 | ch = getc (in_fp); |
1265 | if (ch == EOF) | |
1266 | break; | |
1267 | ||
1268 | /* IF we are emitting the output | |
1269 | THEN emit this character, too. | |
1270 | */ | |
1271 | if (out_fp != (FILE *) NULL) | |
1272 | putc (ch, out_fp); | |
1273 | ||
1274 | /* ELSE if this character does not match the original, | |
1275 | THEN now is the time to start the output. | |
1276 | */ | |
1277 | else if (ch != *pz_cmp) | |
1278 | { | |
8322672c | 1279 | out_fp = create_file (); |
5daf7ede | 1280 | |
1281 | #ifdef DO_STATS | |
1282 | altered_ct++; | |
6bd06916 | 1283 | #endif |
5daf7ede | 1284 | /* IF there are matched data, write the matched part now. */ |
1285 | if (pz_cmp != pz_curr_data) | |
1286 | fwrite (pz_curr_data, (size_t)(pz_cmp - pz_curr_data), 1, out_fp); | |
1287 | ||
1288 | /* Emit the current unmatching character */ | |
1289 | putc (ch, out_fp); | |
6274714d | 1290 | } |
5daf7ede | 1291 | else |
1292 | /* ELSE the character matches. Advance the compare ptr */ | |
1293 | pz_cmp++; | |
1294 | } | |
1295 | ||
1296 | /* IF we created the output file, ... */ | |
1297 | if (out_fp != (FILE *) NULL) | |
1298 | { | |
1299 | regmatch_t match; | |
1300 | ||
1301 | /* Close the file and see if we have to worry about | |
1302 | `#include "file.h"' constructs. */ | |
1303 | fclose (out_fp); | |
1304 | if (regexec (&incl_quote_re, pz_curr_data, 1, &match, 0) == 0) | |
1305 | extract_quoted_files (pz_curr_data, pz_curr_file, &match); | |
1306 | } | |
1307 | ||
1308 | fclose (in_fp); | |
1309 | close (read_fd); /* probably redundant, but I'm paranoid */ | |
1310 | } | |
1311 | ||
1312 | ||
1313 | /* * * * * * * * * * * * * | |
1314 | ||
1315 | Process the potential fixes for a particular include file. | |
1316 | Input: the original text of the file and the file's name | |
1317 | Result: none. A new file may or may not be created. */ | |
1318 | ||
1319 | void | |
1320 | process () | |
1321 | { | |
5daf7ede | 1322 | tFixDesc *p_fixd = fixDescList; |
1323 | int todo_ct = FIX_COUNT; | |
1324 | int read_fd = -1; | |
d3aacc3b | 1325 | # ifndef SEPARATE_FIX_PROC |
5daf7ede | 1326 | int num_children = 0; |
d3aacc3b | 1327 | # else /* is SEPARATE_FIX_PROC */ |
70ba55fd | 1328 | char* pz_file_source = pz_curr_file; |
1329 | # endif | |
5daf7ede | 1330 | |
1331 | if (access (pz_curr_file, R_OK) != 0) | |
1332 | { | |
1333 | int erno = errno; | |
1334 | fprintf (stderr, "Cannot access %s from %s\n\terror %d (%s)\n", | |
1335 | pz_curr_file, getcwd ((char *) NULL, MAXPATHLEN), | |
58113712 | 1336 | erno, xstrerror (erno)); |
5daf7ede | 1337 | return; |
1338 | } | |
1339 | ||
1340 | pz_curr_data = load_file (pz_curr_file); | |
1341 | if (pz_curr_data == (char *) NULL) | |
1342 | return; | |
1343 | ||
1344 | #ifdef DO_STATS | |
1345 | process_ct++; | |
1346 | #endif | |
bb304030 | 1347 | if (VLEVEL( VERB_PROGRESS ) && have_tty) |
3fc31df4 | 1348 | fprintf (stderr, "%6d %-50s \r", data_map_size, pz_curr_file ); |
5daf7ede | 1349 | |
d3aacc3b | 1350 | # ifndef SEPARATE_FIX_PROC |
5daf7ede | 1351 | process_chain_head = NOPROCESS; |
1352 | ||
1353 | /* For every fix in our fix list, ... */ | |
1354 | for (; todo_ct > 0; p_fixd++, todo_ct--) | |
1355 | { | |
1356 | if (! fix_applies (p_fixd)) | |
1357 | continue; | |
6274714d | 1358 | |
3fc31df4 | 1359 | if (VLEVEL( VERB_APPLIES )) |
1360 | fprintf (stderr, "Applying %-24s to %s\n", | |
1361 | p_fixd->fix_name, pz_curr_file); | |
5daf7ede | 1362 | |
1363 | if (p_fixd->fd_flags & FD_REPLACEMENT) | |
1364 | { | |
1365 | write_replacement (p_fixd); | |
1366 | UNLOAD_DATA(); | |
1367 | return; | |
1368 | } | |
6bd06916 | 1369 | |
1370 | /* IF we do not have a read pointer, | |
1371 | THEN this is the first fix for the current file. | |
1372 | Open the source file. That will be used as stdin for | |
1373 | the first fix. Any subsequent fixes will use the | |
5daf7ede | 1374 | stdout descriptor of the previous fix for its stdin. */ |
6274714d | 1375 | |
063938a0 | 1376 | if (read_fd == -1) |
6bd06916 | 1377 | { |
5daf7ede | 1378 | read_fd = open (pz_curr_file, O_RDONLY); |
063938a0 | 1379 | if (read_fd < 0) |
6274714d | 1380 | { |
6bd06916 | 1381 | fprintf (stderr, "Error %d (%s) opening %s\n", errno, |
58113712 | 1382 | xstrerror (errno), pz_curr_file); |
6bd06916 | 1383 | exit (EXIT_FAILURE); |
6274714d | 1384 | } |
5daf7ede | 1385 | |
1386 | /* Ensure we do not get duplicate output */ | |
1387 | ||
1388 | fflush (stdout); | |
6bd06916 | 1389 | } |
6274714d | 1390 | |
5daf7ede | 1391 | read_fd = start_fixer (read_fd, p_fixd, pz_curr_file); |
a99c7b98 | 1392 | num_children++; |
6274714d | 1393 | } |
1394 | ||
5daf7ede | 1395 | /* IF we have a read-back file descriptor, |
1396 | THEN check for changes and write output if changed. */ | |
6bd06916 | 1397 | |
5daf7ede | 1398 | if (read_fd >= 0) |
1399 | { | |
1400 | test_for_changes (read_fd); | |
1401 | #ifdef DO_STATS | |
1402 | apply_ct += num_children; | |
1403 | #endif | |
1404 | /* Wait for child processes created by chain_open() | |
1405 | to avoid leaving zombies. */ | |
1406 | do { | |
1407 | wait ((int *) NULL); | |
1408 | } while (--num_children > 0); | |
1409 | } | |
3e7a39cd | 1410 | |
d3aacc3b | 1411 | # else /* is SEPARATE_FIX_PROC */ |
70ba55fd | 1412 | |
1413 | for (; todo_ct > 0; p_fixd++, todo_ct--) | |
1414 | { | |
1415 | if (! fix_applies (p_fixd)) | |
1416 | continue; | |
1417 | ||
1418 | if (VLEVEL( VERB_APPLIES )) | |
1419 | fprintf (stderr, "Applying %-24s to %s\n", | |
1420 | p_fixd->fix_name, pz_curr_file); | |
1421 | ||
1422 | if (p_fixd->fd_flags & FD_REPLACEMENT) | |
1423 | { | |
1424 | write_replacement (p_fixd); | |
1425 | UNLOAD_DATA(); | |
1426 | return; | |
1427 | } | |
1428 | fix_with_system (p_fixd, pz_curr_file, pz_file_source, pz_temp_file); | |
1429 | pz_file_source = pz_temp_file; | |
1430 | } | |
1431 | ||
d3aacc3b | 1432 | read_fd = open (pz_temp_file, O_RDONLY); |
1433 | if (read_fd < 0) | |
1434 | { | |
1435 | fprintf (stderr, "error %d (%s) opening output (%s) for read\n", | |
1436 | errno, xstrerror (errno), pz_temp_file); | |
1437 | } | |
1438 | else | |
1439 | { | |
1440 | test_for_changes (read_fd); | |
1441 | /* Unlinking a file while it is still open is a Bad Idea on | |
1442 | DOS/Windows. */ | |
1443 | close (read_fd); | |
1444 | unlink (pz_temp_file); | |
1445 | } | |
70ba55fd | 1446 | |
1447 | # endif | |
5daf7ede | 1448 | UNLOAD_DATA(); |
6274714d | 1449 | } |