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007d618909
2011-02-28 Kai Tietz <kai.tietz@onevision.com> * filename_cmp.c (filename_ncmp): New function. * functions.texi: Regenerated. ChangeLog include/ 2011-02-28 Kai Tietz <kai.tietz@onevision.com> * filenames.h (filename_ncmp): New prototype. ChangeLog bfd/ 2011-02-28 Kai Tietz <kai.tietz@onevision.com> * archive.c (_bfd_find_nested_archive): Use filename_(n)cmp. (adjust_relative_path): Likewise. (_bfd_construct_extended_name_table): Likewise. * corefile.c (generic_core_file_matches_executable_p): Likewise. * elf32-bfin.c (bfinfdpic_relocate_section): Likewise. * elf32-frv.c (elf32_frv_relocate_section): Likewise. * elf32-spu.c (sort_bfds): Likewise. (spu_elf_auto_overlay): Likewise. * syms.c (_bfd_stab_section_find_nearest_line): Likewise. * xcofflink.c (xcoff_set_import_path): Likewise. * xtensa-isa.c (xtensa_regfile_lookup): Likewise. (xtensa_regfile_lookup_shortname): Likewise.
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/* File name comparison routine.
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Copyright (C) 2007 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include "filenames.h"
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#include "safe-ctype.h"
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/*
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@deftypefn Extension int filename_cmp (const char *@var{s1}, const char *@var{s2})
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Return zero if the two file names @var{s1} and @var{s2} are equivalent.
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If not equivalent, the returned value is similar to what @code{strcmp}
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would return. In other words, it returns a negative value if @var{s1}
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is less than @var{s2}, or a positive value if @var{s2} is greater than
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@var{s2}.
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This function does not normalize file names. As a result, this function
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will treat filenames that are spelled differently as different even in
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the case when the two filenames point to the same underlying file.
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However, it does handle the fact that on DOS-like file systems, forward
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and backward slashes are equal.
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@end deftypefn
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*/
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int
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filename_cmp (const char *s1, const char *s2)
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{
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#ifndef HAVE_DOS_BASED_FILE_SYSTEM
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return strcmp(s1, s2);
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#else
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for (;;)
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{
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int c1 = TOLOWER (*s1);
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int c2 = TOLOWER (*s2);
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/* On DOS-based file systems, the '/' and the '\' are equivalent. */
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if (c1 == '/')
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c1 = '\\';
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if (c2 == '/')
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c2 = '\\';
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if (c1 != c2)
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return (c1 - c2);
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if (c1 == '\0')
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return 0;
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s1++;
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s2++;
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}
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#endif
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}
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/*
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@deftypefn Extension int filename_ncmp (const char *@var{s1}, const char *@var{s2}, size_t @var{n})
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Return zero if the two file names @var{s1} and @var{s2} are equivalent
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in range @var{n}.
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If not equivalent, the returned value is similar to what @code{strncmp}
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would return. In other words, it returns a negative value if @var{s1}
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is less than @var{s2}, or a positive value if @var{s2} is greater than
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@var{s2}.
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This function does not normalize file names. As a result, this function
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will treat filenames that are spelled differently as different even in
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the case when the two filenames point to the same underlying file.
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However, it does handle the fact that on DOS-like file systems, forward
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and backward slashes are equal.
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@end deftypefn
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*/
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int
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filename_ncmp (const char *s1, const char *s2, size_t n)
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{
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#ifndef HAVE_DOS_BASED_FILE_SYSTEM
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return strncmp(s1, s2, n);
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#else
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if (!n)
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return 0;
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for (; n > 0; --n)
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{
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int c1 = TOLOWER (*s1);
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int c2 = TOLOWER (*s2);
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/* On DOS-based file systems, the '/' and the '\' are equivalent. */
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if (c1 == '/')
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c1 = '\\';
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if (c2 == '/')
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c2 = '\\';
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if (c1 == '\0' || c1 != c2)
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return (c1 - c2);
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s1++;
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s2++;
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}
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return 0;
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#endif
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}
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