Mercurial > hg > CbC > CbC_gcc

comparison libiberty/argv.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
comparison
equal deleted inserted replaced
111:04ced10e8804 131:84e7813d76e9
1 /* Create and destroy argument vectors (argv's) 1 /* Create and destroy argument vectors (argv's)
2 Copyright (C) 1992-2017 Free Software Foundation, Inc. 2 Copyright (C) 1992-2018 Free Software Foundation, Inc.
3 Written by Fred Fish @ Cygnus Support 3 Written by Fred Fish @ Cygnus Support
4 4
5 This file is part of the libiberty library. 5 This file is part of the libiberty library.
6 Libiberty is free software; you can redistribute it and/or 6 Libiberty is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public 7 modify it under the terms of the GNU Library General Public
365 void 365 void
366 expandargv (int *argcp, char ***argvp) 366 expandargv (int *argcp, char ***argvp)
367 { 367 {
368 /* The argument we are currently processing. */ 368 /* The argument we are currently processing. */
369 int i = 0; 369 int i = 0;
370 /* Non-zero if ***argvp has been dynamically allocated. */ 370 /* To check if ***argvp has been dynamically allocated. */
371 int argv_dynamic = 0; 371 char ** const original_argv = *argvp;
372 /* Limit the number of response files that we parse in order 372 /* Limit the number of response files that we parse in order
373 to prevent infinite recursion. */ 373 to prevent infinite recursion. */
374 unsigned int iteration_limit = 2000; 374 unsigned int iteration_limit = 2000;
375 /* Loop over the arguments, handling response files. We always skip 375 /* Loop over the arguments, handling response files. We always skip
376 ARGVP[0], as that is the name of the program being run. */ 376 ARGVP[0], as that is the name of the program being run. */
447 } 447 }
448 else 448 else
449 /* Parse the string. */ 449 /* Parse the string. */
450 file_argv = buildargv (buffer); 450 file_argv = buildargv (buffer);
451 /* If *ARGVP is not already dynamically allocated, copy it. */ 451 /* If *ARGVP is not already dynamically allocated, copy it. */
452 if (!argv_dynamic) 452 if (*argvp == original_argv)
453 *argvp = dupargv (*argvp); 453 *argvp = dupargv (*argvp);
454 /* Count the number of arguments. */ 454 /* Count the number of arguments. */
455 file_argc = 0; 455 file_argc = 0;
456 while (file_argv[file_argc]) 456 while (file_argv[file_argc])
457 ++file_argc; 457 ++file_argc;
458 /* Free the original option's memory. */
459 free ((*argvp)[i]);
458 /* Now, insert FILE_ARGV into ARGV. The "+1" below handles the 460 /* Now, insert FILE_ARGV into ARGV. The "+1" below handles the
459 NULL terminator at the end of ARGV. */ 461 NULL terminator at the end of ARGV. */
460 *argvp = ((char **) 462 *argvp = ((char **)
461 xrealloc (*argvp, 463 xrealloc (*argvp,
462 (*argcp + file_argc + 1) * sizeof (char *))); 464 (*argcp + file_argc + 1) * sizeof (char *)));