| File: | main.c |
| Location: | line 614, column 4 |
| Description: | Value stored to 'whitespace' is never read |
| 1 | /* |
| 2 | |
| 3 | Copyright (c) 1993, 1994, 1998 The Open Group |
| 4 | |
| 5 | Permission to use, copy, modify, distribute, and sell this software and its |
| 6 | documentation for any purpose is hereby granted without fee, provided that |
| 7 | the above copyright notice appear in all copies and that both that |
| 8 | copyright notice and this permission notice appear in supporting |
| 9 | documentation. |
| 10 | |
| 11 | The above copyright notice and this permission notice shall be included in |
| 12 | all copies or substantial portions of the Software. |
| 13 | |
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 20 | |
| 21 | Except as contained in this notice, the name of The Open Group shall not be |
| 22 | used in advertising or otherwise to promote the sale, use or other dealings |
| 23 | in this Software without prior written authorization from The Open Group. |
| 24 | |
| 25 | */ |
| 26 | |
| 27 | #include "def.h" |
| 28 | #ifdef hpux |
| 29 | #define sigvec sigvector |
| 30 | #endif /* hpux */ |
| 31 | |
| 32 | #ifdef X_POSIX_C_SOURCE |
| 33 | #define _POSIX_C_SOURCE X_POSIX_C_SOURCE |
| 34 | #include <signal.h> |
| 35 | #undef _POSIX_C_SOURCE |
| 36 | #else |
| 37 | #if defined(X_NOT_POSIX) || defined(_POSIX_SOURCE) |
| 38 | #include <signal.h> |
| 39 | #else |
| 40 | #define _POSIX_SOURCE |
| 41 | #include <signal.h> |
| 42 | #undef _POSIX_SOURCE |
| 43 | #endif |
| 44 | #endif |
| 45 | |
| 46 | #include <stdarg.h> |
| 47 | |
| 48 | #ifdef __sun |
| 49 | # include <sys/utsname.h> |
| 50 | #endif |
| 51 | |
| 52 | #ifdef DEBUG |
| 53 | int _debugmask; |
| 54 | #endif |
| 55 | |
| 56 | /* #define DEBUG_DUMP */ |
| 57 | #ifdef DEBUG_DUMP |
| 58 | #define DBG_PRINT(file, fmt, args) fprintf(file, fmt, args) |
| 59 | #else |
| 60 | #define DBG_PRINT(file, fmt, args) /* empty */ |
| 61 | #endif |
| 62 | |
| 63 | #define DASH_INC_PRE"#include \"" "#include \"" |
| 64 | #define DASH_INC_POST"\"" "\"" |
| 65 | |
| 66 | const char *ProgramName; |
| 67 | |
| 68 | const char * const directives[] = { |
| 69 | "if", |
| 70 | "ifdef", |
| 71 | "ifndef", |
| 72 | "else", |
| 73 | "endif", |
| 74 | "define", |
| 75 | "undef", |
| 76 | "include", |
| 77 | "line", |
| 78 | "pragma", |
| 79 | "error", |
| 80 | "ident", |
| 81 | "sccs", |
| 82 | "elif", |
| 83 | "eject", |
| 84 | "warning", |
| 85 | "include_next", |
| 86 | NULL((void *)0) |
| 87 | }; |
| 88 | |
| 89 | #include "imakemdep.h" |
| 90 | |
| 91 | struct inclist inclist[ MAXFILES2048 ], |
| 92 | *inclistp = inclist, |
| 93 | *inclistnext = inclist, |
| 94 | maininclist; |
| 95 | |
| 96 | static char *filelist[ MAXFILES2048 ]; |
| 97 | const char *includedirs[ MAXDIRS64 + 1 ], |
| 98 | **includedirsnext = includedirs; |
| 99 | char *notdotdot[ MAXDIRS64 ]; |
| 100 | static int cmdinc_count = 0; |
| 101 | static char *cmdinc_list[ 2 * MAXINCFILES128 ]; |
| 102 | const char *objprefix = ""; |
| 103 | const char *objsuffix = OBJSUFFIX".o"; |
| 104 | static const char *startat = "# DO NOT DELETE"; |
| 105 | int width = 78; |
| 106 | static boolean append = FALSE0; |
| 107 | boolean printed = FALSE0; |
| 108 | boolean verbose = FALSE0; |
| 109 | boolean show_where_not = FALSE0; |
| 110 | /* Warn on multiple includes of same file */ |
| 111 | boolean warn_multiple = FALSE0; |
| 112 | |
| 113 | static void setfile_cmdinc(struct filepointer *filep, long count, char **list); |
| 114 | static void redirect(const char *line, const char *makefile); |
| 115 | |
| 116 | static void _X_NORETURN__attribute((noreturn)) |
| 117 | catch (int sig) |
| 118 | { |
| 119 | fflush (stdout__stdoutp); |
| 120 | fatalerr ("got signal %d\n", sig); |
| 121 | } |
| 122 | |
| 123 | #if defined(USG) || (defined(i386) && defined(SYSV)) || defined(WIN32) || defined(Lynx_22) || defined(__CYGWIN__) |
| 124 | #define USGISH |
| 125 | #endif |
| 126 | |
| 127 | #ifndef USGISH |
| 128 | #ifdef X_NOT_POSIX |
| 129 | #define sigaction sigvec |
| 130 | #define sa_handler__sigaction_u.__sa_handler sv_handler |
| 131 | #define sa_mask sv_mask |
| 132 | #define sa_flags sv_flags |
| 133 | #endif |
| 134 | static struct sigaction sig_act; |
| 135 | #endif /* USGISH */ |
| 136 | |
| 137 | int |
| 138 | main(int argc, char *argv[]) |
| 139 | { |
| 140 | char **fp = filelist; |
| 141 | const char **incp = includedirs; |
| 142 | char *p; |
| 143 | struct inclist *ip; |
| 144 | char *makefile = NULL((void *)0); |
| 145 | struct filepointer *filecontent; |
| 146 | const struct symtab *psymp = predefs; |
| 147 | const char *endmarker = NULL((void *)0); |
| 148 | char *defincdir = NULL((void *)0); |
| 149 | char **undeflist = NULL((void *)0); |
| 150 | int numundefs = 0, i; |
| 151 | |
| 152 | ProgramName = argv[0]; |
| 153 | |
| 154 | while (psymp->s_name) |
| 155 | { |
| 156 | define2(psymp->s_name, psymp->s_value, &maininclist); |
| 157 | psymp++; |
| 158 | } |
| 159 | #ifdef __sun |
| 160 | /* Solaris predefined values that are computed, not hardcoded */ |
| 161 | { |
| 162 | struct utsname name; |
| 163 | |
| 164 | if (uname(&name) >= 0) { |
| 165 | char osrevdef[SYS_NMLN + SYS_NMLN + 5]; |
| 166 | snprintf(osrevdef, sizeof(osrevdef), "__%s_%s",__builtin___snprintf_chk (osrevdef, sizeof(osrevdef), 0, __builtin_object_size (osrevdef, 2 > 1 ? 1 : 0), "__%s_%s", name.sysname, name. release) |
| 167 | name.sysname, name.release)__builtin___snprintf_chk (osrevdef, sizeof(osrevdef), 0, __builtin_object_size (osrevdef, 2 > 1 ? 1 : 0), "__%s_%s", name.sysname, name. release); |
| 168 | |
| 169 | for (p = osrevdef; *p != '\0'; p++) { |
| 170 | if (!isalnum(*p)) { |
| 171 | *p = '_'; |
| 172 | } |
| 173 | } |
| 174 | define2(osrevdef, "1", &maininclist); |
| 175 | } |
| 176 | } |
| 177 | #endif |
| 178 | if (argc == 2 && argv[1][0] == '@') { |
| 179 | struct stat ast; |
| 180 | int afd; |
| 181 | char *args; |
| 182 | char **nargv; |
| 183 | int nargc; |
| 184 | char quotechar = '\0'; |
| 185 | |
| 186 | nargc = 1; |
| 187 | if ((afd = open(argv[1]+1, O_RDONLY0x0000)) < 0) |
| 188 | fatalerr("cannot open \"%s\"\n", argv[1]+1); |
| 189 | fstat(afd, &ast); |
| 190 | args = malloc(ast.st_size + 1); |
| 191 | if ((ast.st_size = read(afd, args, ast.st_size)) < 0) |
| 192 | fatalerr("failed to read %s\n", argv[1]+1); |
| 193 | args[ast.st_size] = '\0'; |
| 194 | close(afd); |
| 195 | for (p = args; *p; p++) { |
| 196 | if (quotechar) { |
| 197 | if (quotechar == '\\' || |
| 198 | (*p == quotechar && p[-1] != '\\')) |
| 199 | quotechar = '\0'; |
| 200 | continue; |
| 201 | } |
| 202 | switch (*p) { |
| 203 | case '\\': |
| 204 | case '"': |
| 205 | case '\'': |
| 206 | quotechar = *p; |
| 207 | break; |
| 208 | case ' ': |
| 209 | case '\n': |
| 210 | *p = '\0'; |
| 211 | if (p > args && p[-1]) |
| 212 | nargc++; |
| 213 | break; |
| 214 | } |
| 215 | } |
| 216 | if (p[-1]) |
| 217 | nargc++; |
| 218 | nargv = malloc(nargc * sizeof(char *)); |
| 219 | nargv[0] = argv[0]; |
| 220 | argc = 1; |
| 221 | for (p = args; argc < nargc; p += strlen(p) + 1) |
| 222 | if (*p) nargv[argc++] = p; |
| 223 | argv = nargv; |
| 224 | } |
| 225 | for(argc--, argv++; argc; argc--, argv++) { |
| 226 | /* if looking for endmarker then check before parsing */ |
| 227 | if (endmarker && strcmp (endmarker, *argv) == 0) { |
| 228 | endmarker = NULL((void *)0); |
| 229 | continue; |
| 230 | } |
| 231 | if (**argv != '-') { |
| 232 | /* treat +thing as an option for C++ */ |
| 233 | if (endmarker && **argv == '+') |
| 234 | continue; |
| 235 | *fp++ = argv[0]; |
| 236 | continue; |
| 237 | } |
| 238 | switch(argv[0][1]) { |
| 239 | case '-': |
| 240 | endmarker = &argv[0][2]; |
| 241 | if (endmarker[0] == '\0') endmarker = "--"; |
| 242 | break; |
| 243 | case 'D': |
| 244 | if (argv[0][2] == '\0') { |
| 245 | if (argc < 2) |
| 246 | fatalerr("Missing argument for -D\n"); |
| 247 | argv++; |
| 248 | argc--; |
| 249 | } |
| 250 | for (p=argv[0] + 2; *p ; p++) |
| 251 | if (*p == '=') { |
| 252 | *p = ' '; |
| 253 | break; |
| 254 | } |
| 255 | define(argv[0] + 2, &maininclist); |
| 256 | break; |
| 257 | case 'I': |
| 258 | if (incp >= includedirs + MAXDIRS64) |
| 259 | fatalerr("Too many -I flags.\n"); |
| 260 | *incp++ = argv[0]+2; |
| 261 | if (**(incp-1) == '\0') { |
| 262 | if (argc < 2) |
| 263 | fatalerr("Missing argument for -I\n"); |
| 264 | *(incp-1) = *(++argv); |
| 265 | argc--; |
| 266 | } |
| 267 | break; |
| 268 | case 'U': |
| 269 | /* Undef's override all -D's so save them up */ |
| 270 | numundefs++; |
| 271 | if (numundefs == 1) |
| 272 | undeflist = malloc(sizeof(char *)); |
| 273 | else |
| 274 | undeflist = realloc(undeflist, |
| 275 | numundefs * sizeof(char *)); |
| 276 | if (argv[0][2] == '\0') { |
| 277 | if (argc < 2) |
| 278 | fatalerr("Missing argument for -U\n"); |
| 279 | argv++; |
| 280 | argc--; |
| 281 | } |
| 282 | undeflist[numundefs - 1] = argv[0] + 2; |
| 283 | break; |
| 284 | case 'Y': |
| 285 | defincdir = argv[0]+2; |
| 286 | break; |
| 287 | /* do not use if endmarker processing */ |
| 288 | case 'a': |
| 289 | if (endmarker) break; |
| 290 | append = TRUE1; |
| 291 | break; |
| 292 | case 'w': |
| 293 | if (endmarker) break; |
| 294 | if (argv[0][2] == '\0') { |
| 295 | if (argc < 2) |
| 296 | fatalerr("Missing argument for -w\n"); |
| 297 | argv++; |
| 298 | argc--; |
| 299 | width = atoi(argv[0]); |
| 300 | } else |
| 301 | width = atoi(argv[0]+2); |
| 302 | break; |
| 303 | case 'o': |
| 304 | if (endmarker) break; |
| 305 | if (argv[0][2] == '\0') { |
| 306 | if (argc < 2) |
| 307 | fatalerr("Missing argument for -o\n"); |
| 308 | argv++; |
| 309 | argc--; |
| 310 | objsuffix = argv[0]; |
| 311 | } else |
| 312 | objsuffix = argv[0]+2; |
| 313 | break; |
| 314 | case 'p': |
| 315 | if (endmarker) break; |
| 316 | if (argv[0][2] == '\0') { |
| 317 | if (argc < 2) |
| 318 | fatalerr("Missing argument for -p\n"); |
| 319 | argv++; |
| 320 | argc--; |
| 321 | objprefix = argv[0]; |
| 322 | } else |
| 323 | objprefix = argv[0]+2; |
| 324 | break; |
| 325 | case 'v': |
| 326 | if (endmarker) break; |
| 327 | verbose = TRUE1; |
| 328 | #ifdef DEBUG |
| 329 | if (argv[0][2]) |
| 330 | _debugmask = atoi(argv[0]+2); |
| 331 | #endif |
| 332 | break; |
| 333 | case 's': |
| 334 | if (endmarker) break; |
| 335 | startat = argv[0]+2; |
| 336 | if (*startat == '\0') { |
| 337 | if (argc < 2) |
| 338 | fatalerr("Missing argument for -s\n"); |
| 339 | startat = *(++argv); |
| 340 | argc--; |
| 341 | } |
| 342 | if (*startat != '#') |
| 343 | fatalerr("-s flag's value should start %s\n", |
| 344 | "with '#'."); |
| 345 | break; |
| 346 | case 'f': |
| 347 | if (endmarker) break; |
| 348 | makefile = argv[0]+2; |
| 349 | if (*makefile == '\0') { |
| 350 | if (argc < 2) |
| 351 | fatalerr("Missing argument for -f\n"); |
| 352 | makefile = *(++argv); |
| 353 | argc--; |
| 354 | } |
| 355 | break; |
| 356 | |
| 357 | case 'm': |
| 358 | warn_multiple = TRUE1; |
| 359 | break; |
| 360 | |
| 361 | /* Ignore -O, -g so we can just pass ${CFLAGS} to |
| 362 | makedepend |
| 363 | */ |
| 364 | case 'O': |
| 365 | case 'g': |
| 366 | break; |
| 367 | case 'i': |
| 368 | if (strcmp(&argv[0][1],"include") == 0) { |
| 369 | char *buf; |
| 370 | if (argc<2) |
| 371 | fatalerr("option -include is a " |
| 372 | "missing its parameter\n"); |
| 373 | if (cmdinc_count >= MAXINCFILES128) |
| 374 | fatalerr("Too many -include flags.\n"); |
| 375 | argc--; |
| 376 | argv++; |
| 377 | buf = malloc(strlen(DASH_INC_PRE"#include \"") + |
| 378 | strlen(argv[0]) + |
| 379 | strlen(DASH_INC_POST"\"") + 1); |
| 380 | if(!buf) |
| 381 | fatalerr("out of memory at " |
| 382 | "-include string\n"); |
| 383 | cmdinc_list[2 * cmdinc_count + 0] = argv[0]; |
| 384 | cmdinc_list[2 * cmdinc_count + 1] = buf; |
| 385 | cmdinc_count++; |
| 386 | break; |
| 387 | } |
| 388 | /* intentional fall through */ |
| 389 | default: |
| 390 | if (endmarker) break; |
| 391 | /* fatalerr("unknown opt = %s\n", argv[0]); */ |
| 392 | warning("ignoring option %s\n", argv[0]); |
| 393 | } |
| 394 | } |
| 395 | /* Now do the undefs from the command line */ |
| 396 | for (i = 0; i < numundefs; i++) |
| 397 | undefine(undeflist[i], &maininclist); |
| 398 | if (numundefs > 0) |
| 399 | free(undeflist); |
| 400 | |
| 401 | if (!defincdir) { |
| 402 | #ifdef PREINCDIR |
| 403 | if (incp >= includedirs + MAXDIRS64) |
| 404 | fatalerr("Too many -I flags.\n"); |
| 405 | *incp++ = PREINCDIR; |
| 406 | #endif |
| 407 | if (incp >= includedirs + MAXDIRS64) |
| 408 | fatalerr("Too many -I flags.\n"); |
| 409 | *incp++ = INCLUDEDIR"/usr/include"; |
| 410 | |
| 411 | #ifdef EXTRAINCDIR |
| 412 | if (incp >= includedirs + MAXDIRS64) |
| 413 | fatalerr("Too many -I flags.\n"); |
| 414 | *incp++ = EXTRAINCDIR; |
| 415 | #endif |
| 416 | |
| 417 | #ifdef POSTINCDIR |
| 418 | if (incp >= includedirs + MAXDIRS64) |
| 419 | fatalerr("Too many -I flags.\n"); |
| 420 | *incp++ = POSTINCDIR; |
| 421 | #endif |
| 422 | } else if (*defincdir) { |
| 423 | if (incp >= includedirs + MAXDIRS64) |
| 424 | fatalerr("Too many -I flags.\n"); |
| 425 | *incp++ = defincdir; |
| 426 | } |
| 427 | |
| 428 | redirect(startat, makefile); |
| 429 | |
| 430 | /* |
| 431 | * catch signals. |
| 432 | */ |
| 433 | #ifdef USGISH |
| 434 | /* should really reset SIGINT to SIG_IGN if it was. */ |
| 435 | #ifdef SIGHUP1 |
| 436 | signal (SIGHUP1, catch); |
| 437 | #endif |
| 438 | signal (SIGINT2, catch); |
| 439 | #ifdef SIGQUIT3 |
| 440 | signal (SIGQUIT3, catch); |
| 441 | #endif |
| 442 | signal (SIGILL4, catch); |
| 443 | #ifdef SIGBUS10 |
| 444 | signal (SIGBUS10, catch); |
| 445 | #endif |
| 446 | signal (SIGSEGV11, catch); |
| 447 | #ifdef SIGSYS12 |
| 448 | signal (SIGSYS12, catch); |
| 449 | #endif |
| 450 | #else |
| 451 | sig_act.sa_handler__sigaction_u.__sa_handler = catch; |
| 452 | #if defined(_POSIX_SOURCE) || !defined(X_NOT_POSIX) |
| 453 | sigemptyset(&sig_act.sa_mask)(*(&sig_act.sa_mask) = 0, 0); |
| 454 | sigaddset(&sig_act.sa_mask, SIGINT)(*(&sig_act.sa_mask) |= __sigbits(2), 0); |
| 455 | sigaddset(&sig_act.sa_mask, SIGQUIT)(*(&sig_act.sa_mask) |= __sigbits(3), 0); |
| 456 | #ifdef SIGBUS10 |
| 457 | sigaddset(&sig_act.sa_mask, SIGBUS)(*(&sig_act.sa_mask) |= __sigbits(10), 0); |
| 458 | #endif |
| 459 | sigaddset(&sig_act.sa_mask, SIGILL)(*(&sig_act.sa_mask) |= __sigbits(4), 0); |
| 460 | sigaddset(&sig_act.sa_mask, SIGSEGV)(*(&sig_act.sa_mask) |= __sigbits(11), 0); |
| 461 | sigaddset(&sig_act.sa_mask, SIGHUP)(*(&sig_act.sa_mask) |= __sigbits(1), 0); |
| 462 | sigaddset(&sig_act.sa_mask, SIGPIPE)(*(&sig_act.sa_mask) |= __sigbits(13), 0); |
| 463 | #ifdef SIGSYS12 |
| 464 | sigaddset(&sig_act.sa_mask, SIGSYS)(*(&sig_act.sa_mask) |= __sigbits(12), 0); |
| 465 | #endif |
| 466 | #else |
| 467 | sig_act.sa_mask = ((1<<(SIGINT2 -1)) |
| 468 | |(1<<(SIGQUIT3-1)) |
| 469 | #ifdef SIGBUS10 |
| 470 | |(1<<(SIGBUS10-1)) |
| 471 | #endif |
| 472 | |(1<<(SIGILL4-1)) |
| 473 | |(1<<(SIGSEGV11-1)) |
| 474 | |(1<<(SIGHUP1-1)) |
| 475 | |(1<<(SIGPIPE13-1)) |
| 476 | #ifdef SIGSYS12 |
| 477 | |(1<<(SIGSYS12-1)) |
| 478 | #endif |
| 479 | ); |
| 480 | #endif /* _POSIX_SOURCE */ |
| 481 | sig_act.sa_flags = 0; |
| 482 | sigaction(SIGHUP1, &sig_act, (struct sigaction *)0); |
| 483 | sigaction(SIGINT2, &sig_act, (struct sigaction *)0); |
| 484 | sigaction(SIGQUIT3, &sig_act, (struct sigaction *)0); |
| 485 | sigaction(SIGILL4, &sig_act, (struct sigaction *)0); |
| 486 | #ifdef SIGBUS10 |
| 487 | sigaction(SIGBUS10, &sig_act, (struct sigaction *)0); |
| 488 | #endif |
| 489 | sigaction(SIGSEGV11, &sig_act, (struct sigaction *)0); |
| 490 | #ifdef SIGSYS12 |
| 491 | sigaction(SIGSYS12, &sig_act, (struct sigaction *)0); |
| 492 | #endif |
| 493 | #endif /* USGISH */ |
| 494 | |
| 495 | /* |
| 496 | * now peruse through the list of files. |
| 497 | */ |
| 498 | for(fp=filelist; *fp; fp++) { |
| 499 | DBG_PRINT(stderr,"file: %s\n",*fp); |
| 500 | filecontent = getfile(*fp); |
| 501 | setfile_cmdinc(filecontent, cmdinc_count, cmdinc_list); |
| 502 | ip = newinclude(*fp, (char *)NULL((void *)0)); |
| 503 | |
| 504 | find_includes(filecontent, ip, ip, 0, FALSE0); |
| 505 | freefile(filecontent); |
| 506 | recursive_pr_include(ip, ip->i_file, base_name(*fp)); |
| 507 | inc_clean(); |
| 508 | } |
| 509 | if (printed) |
| 510 | printf("\n"); |
| 511 | return 0; |
| 512 | } |
| 513 | |
| 514 | |
| 515 | struct filepointer * |
| 516 | getfile(const char *file) |
| 517 | { |
| 518 | int fd; |
| 519 | struct filepointer *content; |
| 520 | struct stat st; |
| 521 | |
| 522 | content = malloc(sizeof(struct filepointer)); |
| 523 | content->f_name = file; |
| 524 | if ((fd = open(file, O_RDONLY0x0000)) < 0) { |
| 525 | warning("cannot open \"%s\"\n", file); |
| 526 | content->f_p = content->f_base = content->f_end = malloc(1); |
| 527 | *content->f_p = '\0'; |
| 528 | return(content); |
| 529 | } |
| 530 | fstat(fd, &st); |
| 531 | content->f_base = malloc(st.st_size+1); |
| 532 | if (content->f_base == NULL((void *)0)) |
| 533 | fatalerr("cannot allocate mem\n"); |
| 534 | if ((st.st_size = read(fd, content->f_base, st.st_size)) < 0) |
| 535 | fatalerr("failed to read %s\n", file); |
| 536 | close(fd); |
| 537 | content->f_len = st.st_size+1; |
| 538 | content->f_p = content->f_base; |
| 539 | content->f_end = content->f_base + st.st_size; |
| 540 | *content->f_end = '\0'; |
| 541 | content->f_line = 0; |
| 542 | content->cmdinc_count = 0; |
| 543 | content->cmdinc_list = NULL((void *)0); |
| 544 | content->cmdinc_line = 0; |
| 545 | return(content); |
| 546 | } |
| 547 | |
| 548 | void |
| 549 | setfile_cmdinc(struct filepointer* filep, long count, char** list) |
| 550 | { |
| 551 | filep->cmdinc_count = count; |
| 552 | filep->cmdinc_list = list; |
| 553 | filep->cmdinc_line = 0; |
| 554 | } |
| 555 | |
| 556 | void |
| 557 | freefile(struct filepointer *fp) |
| 558 | { |
| 559 | free(fp->f_base); |
| 560 | free(fp); |
| 561 | } |
| 562 | |
| 563 | int |
| 564 | match(const char *str, const char * const *list) |
| 565 | { |
| 566 | int i; |
| 567 | |
| 568 | for (i=0; *list; i++, list++) |
| 569 | if (strcmp(str, *list) == 0) |
| 570 | return(i); |
| 571 | return(-1); |
| 572 | } |
| 573 | |
| 574 | /* |
| 575 | * Get the next line. We only return lines beginning with '#' since that |
| 576 | * is all this program is ever interested in. |
| 577 | */ |
| 578 | char *getnextline(struct filepointer *filep) |
| 579 | { |
| 580 | char *p, /* walking pointer */ |
| 581 | *eof, /* end of file pointer */ |
| 582 | *bol; /* beginning of line pointer */ |
| 583 | int lineno; /* line number */ |
| 584 | boolean whitespace = FALSE0; |
| 585 | |
| 586 | /* |
| 587 | * Fake the "-include" line files in form of #include to the |
| 588 | * start of each file. |
| 589 | */ |
| 590 | if (filep->cmdinc_line < filep->cmdinc_count) { |
| 591 | char *inc = filep->cmdinc_list[2 * filep->cmdinc_line + 0]; |
| 592 | char *buf = filep->cmdinc_list[2 * filep->cmdinc_line + 1]; |
| 593 | filep->cmdinc_line++; |
| 594 | sprintf(buf,"%s%s%s",DASH_INC_PRE,inc,DASH_INC_POST)__builtin___sprintf_chk (buf, 0, __builtin_object_size (buf, 2 > 1 ? 1 : 0), "%s%s%s","#include \"",inc,"\""); |
| 595 | DBG_PRINT(stderr,"%s\n",buf); |
| 596 | return(buf); |
| 597 | } |
| 598 | |
| 599 | p = filep->f_p; |
| 600 | eof = filep->f_end; |
| 601 | if (p >= eof) |
| 602 | return((char *)NULL((void *)0)); |
| 603 | lineno = filep->f_line; |
| 604 | |
| 605 | for (bol = p--; ++p < eof; ) { |
| 606 | if ((bol == p) && ((*p == ' ') || (*p == '\t'))) |
| 607 | { |
| 608 | /* Consume leading white-spaces for this line */ |
| 609 | while (((p+1) < eof) && ((*p == ' ') || (*p == '\t'))) |
| 610 | { |
| 611 | p++; |
| 612 | bol++; |
| 613 | } |
| 614 | whitespace = TRUE1; |
Value stored to 'whitespace' is never read | |
| 615 | } |
| 616 | |
| 617 | if (*p == '/' && (p+1) < eof && *(p+1) == '*') { |
| 618 | /* Consume C comments */ |
| 619 | *(p++) = ' '; |
| 620 | *(p++) = ' '; |
| 621 | while (p < eof && *p) { |
| 622 | if (*p == '*' && (p+1) < eof && *(p+1) == '/') { |
| 623 | *(p++) = ' '; |
| 624 | *(p++) = ' '; |
| 625 | break; |
| 626 | } |
| 627 | if (*p == '\n') |
| 628 | lineno++; |
| 629 | *(p++) = ' '; |
| 630 | } |
| 631 | --p; |
| 632 | } |
| 633 | else if (*p == '/' && (p+1) < eof && *(p+1) == '/') { |
| 634 | /* Consume C++ comments */ |
| 635 | *(p++) = ' '; |
| 636 | *(p++) = ' '; |
| 637 | while (p < eof && *p) { |
| 638 | if (*p == '\\' && (p+1) < eof && |
| 639 | *(p+1) == '\n') { |
| 640 | *(p++) = ' '; |
| 641 | lineno++; |
| 642 | } |
| 643 | else if (*p == '?' && (p+3) < eof && |
| 644 | *(p+1) == '?' && |
| 645 | *(p+2) == '/' && |
| 646 | *(p+3) == '\n') { |
| 647 | *(p++) = ' '; |
| 648 | *(p++) = ' '; |
| 649 | *(p++) = ' '; |
| 650 | lineno++; |
| 651 | } |
| 652 | else if (*p == '\n') |
| 653 | break; /* to process end of line */ |
| 654 | *(p++) = ' '; |
| 655 | } |
| 656 | --p; |
| 657 | } |
| 658 | else if (*p == '\\' && (p+1) < eof && *(p+1) == '\n') { |
| 659 | /* Consume backslash line terminations */ |
| 660 | *(p++) = ' '; |
| 661 | *p = ' '; |
| 662 | lineno++; |
| 663 | } |
| 664 | else if (*p == '?' && (p+3) < eof && |
| 665 | *(p+1) == '?' && *(p+2) == '/' && *(p+3) == '\n') { |
| 666 | /* Consume trigraph'ed backslash line terminations */ |
| 667 | *(p++) = ' '; |
| 668 | *(p++) = ' '; |
| 669 | *(p++) = ' '; |
| 670 | *p = ' '; |
| 671 | lineno++; |
| 672 | } |
| 673 | else if (*p == '\n') { |
| 674 | lineno++; |
| 675 | if (*bol == '#') { |
| 676 | char *cp; |
| 677 | |
| 678 | *(p++) = '\0'; |
| 679 | /* punt lines with just # (yacc generated) */ |
| 680 | for (cp = bol+1; |
| 681 | *cp && (*cp == ' ' || *cp == '\t'); cp++); |
| 682 | if (*cp) goto done; |
| 683 | --p; |
| 684 | } |
| 685 | bol = p+1; |
| 686 | whitespace = FALSE0; |
| 687 | } |
| 688 | } |
| 689 | if (*bol != '#') |
| 690 | bol = NULL((void *)0); |
| 691 | done: |
| 692 | filep->f_p = p; |
| 693 | filep->f_line = lineno; |
| 694 | #ifdef DEBUG_DUMP |
| 695 | if (bol) |
| 696 | DBG_PRINT(stderr,"%s\n",bol); |
| 697 | #endif |
| 698 | return(bol); |
| 699 | } |
| 700 | |
| 701 | /* |
| 702 | * Strip the file name down to what we want to see in the Makefile. |
| 703 | * It will have objprefix and objsuffix around it. |
| 704 | */ |
| 705 | char *base_name(const char *in_file) |
| 706 | { |
| 707 | char *p; |
| 708 | char *file = strdup(in_file); |
| 709 | for(p=file+strlen(file); p>file && *p != '.'; p--) ; |
| 710 | |
| 711 | if (*p == '.') |
| 712 | *p = '\0'; |
| 713 | return(file); |
| 714 | } |
| 715 | |
| 716 | #ifndef HAVE_RENAME1 |
| 717 | int rename (char *from, char *to) |
| 718 | { |
| 719 | (void) unlink (to); |
| 720 | if (link (from, to) == 0) { |
| 721 | unlink (from); |
| 722 | return 0; |
| 723 | } else { |
| 724 | return -1; |
| 725 | } |
| 726 | } |
| 727 | #endif /* !HAVE_RENAME */ |
| 728 | |
| 729 | static void |
| 730 | redirect(const char *line, const char *makefile) |
| 731 | { |
| 732 | struct stat st; |
| 733 | FILE *fdin, *fdout; |
| 734 | char backup[ BUFSIZ1024 ], |
| 735 | buf[ BUFSIZ1024 ]; |
| 736 | boolean found = FALSE0; |
| 737 | size_t len; |
| 738 | |
| 739 | /* |
| 740 | * if makefile is "-" then let it pour onto stdout. |
| 741 | */ |
| 742 | if (makefile && *makefile == '-' && *(makefile+1) == '\0') { |
| 743 | puts(line); |
| 744 | return; |
| 745 | } |
| 746 | |
| 747 | /* |
| 748 | * use a default if makefile is not specified. |
| 749 | */ |
| 750 | if (!makefile) { |
| 751 | if (stat("Makefile", &st) == 0) |
| 752 | makefile = "Makefile"; |
| 753 | else if (stat("makefile", &st) == 0) |
| 754 | makefile = "makefile"; |
| 755 | else |
| 756 | fatalerr("[mM]akefile is not present\n"); |
| 757 | } |
| 758 | else { |
| 759 | if (stat(makefile, &st) != 0) |
| 760 | fatalerr("\"%s\" is not present\n", makefile); |
| 761 | } |
| 762 | |
| 763 | snprintf(backup, sizeof(backup), "%s.bak", makefile)__builtin___snprintf_chk (backup, sizeof(backup), 0, __builtin_object_size (backup, 2 > 1 ? 1 : 0), "%s.bak", makefile); |
| 764 | unlink(backup); |
| 765 | |
| 766 | /* rename() won't work on WIN32, CYGWIN, or CIFS if src file is open */ |
| 767 | if (rename(makefile, backup) < 0) |
| 768 | fatalerr("cannot rename %s to %s\n", makefile, backup); |
| 769 | if ((fdin = fopen(backup, "r")) == NULL((void *)0)) { |
| 770 | if (rename(backup, makefile) < 0) |
| 771 | warning("renamed %s to %s, but can't move it back\n", |
| 772 | makefile, backup); |
| 773 | fatalerr("cannot open \"%s\"\n", makefile); |
| 774 | } |
| 775 | if ((fdout = freopen(makefile, "w", stdout__stdoutp)) == NULL((void *)0)) |
| 776 | fatalerr("cannot open \"%s\"\n", backup); |
| 777 | len = strlen(line); |
| 778 | while (!found && fgets(buf, BUFSIZ1024, fdin)) { |
| 779 | if (*buf == '#' && strncmp(line, buf, len) == 0) |
| 780 | found = TRUE1; |
| 781 | fputs(buf, fdout); |
| 782 | } |
| 783 | if (!found) { |
| 784 | if (verbose) |
| 785 | warning("Adding new delimiting line \"%s\" and dependencies...\n", |
| 786 | line); |
| 787 | puts(line); /* same as fputs(fdout); but with newline */ |
| 788 | } else if (append) { |
| 789 | while (fgets(buf, BUFSIZ1024, fdin)) { |
| 790 | fputs(buf, fdout); |
| 791 | } |
| 792 | } |
| 793 | fflush(fdout); |
| 794 | #ifndef HAVE_FCHMOD1 |
| 795 | chmod(makefile, st.st_mode); |
| 796 | #else |
| 797 | fchmod(fileno(fdout), st.st_mode); |
| 798 | #endif /* HAVE_FCHMOD */ |
| 799 | } |
| 800 | |
| 801 | void |
| 802 | fatalerr(const char *msg, ...) |
| 803 | { |
| 804 | va_list args; |
| 805 | fprintf(stderr__stderrp, "%s: error: ", ProgramName); |
| 806 | va_start(args, msg)__builtin_va_start(args, msg); |
| 807 | vfprintf(stderr__stderrp, msg, args); |
| 808 | va_end(args)__builtin_va_end(args); |
| 809 | exit (1); |
| 810 | } |
| 811 | |
| 812 | void |
| 813 | warning(const char *msg, ...) |
| 814 | { |
| 815 | va_list args; |
| 816 | fprintf(stderr__stderrp, "%s: warning: ", ProgramName); |
| 817 | va_start(args, msg)__builtin_va_start(args, msg); |
| 818 | vfprintf(stderr__stderrp, msg, args); |
| 819 | va_end(args)__builtin_va_end(args); |
| 820 | } |
| 821 | |
| 822 | void |
| 823 | warning1(const char *msg, ...) |
| 824 | { |
| 825 | va_list args; |
| 826 | va_start(args, msg)__builtin_va_start(args, msg); |
| 827 | vfprintf(stderr__stderrp, msg, args); |
| 828 | va_end(args)__builtin_va_end(args); |
| 829 | } |