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author | Jim Meyering <jim@meyering.net> | 2002-01-22 08:02:55 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 2002-01-22 08:02:55 +0000 |
commit | ecf261bb6e5285b4ca88443d1272fdb85e1a9686 (patch) | |
tree | a668e08bd5af93d433c1dd0c279a5697155d1080 /lib | |
parent | 3de8f8938877c4d44722b55391fc34621a75d104 (diff) | |
download | coreutils-ecf261bb6e5285b4ca88443d1272fdb85e1a9686.tar.xz |
*** empty log message ***
Diffstat (limited to 'lib')
-rw-r--r-- | lib/xmemcoll.c | 70 | ||||
-rw-r--r-- | lib/xmemcoll.h | 2 |
2 files changed, 72 insertions, 0 deletions
diff --git a/lib/xmemcoll.c b/lib/xmemcoll.c new file mode 100644 index 000000000..0e35cb677 --- /dev/null +++ b/lib/xmemcoll.c @@ -0,0 +1,70 @@ +/* Locale-specific memory comparison. + Copyright (C) 2002 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* Contributed by Paul Eggert <eggert@twinsun.com>. */ + +#if HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#ifndef errno +extern int errno; +#endif + +#include <stdlib.h> + +#if ENABLE_NLS +# include <libintl.h> +# define _(Text) gettext (Text) +#else +# define _(Text) Text +#endif + +#include "error.h" +#include "memcoll.h" +#include "quotearg.h" +#include "xmemcoll.h" + +/* Exit value when xmemcoll fails. + The caller may set it to some other value. */ +int xmemcoll_exit_failure = EXIT_FAILURE; + +/* Compare S1 (with length S1LEN) and S2 (with length S2LEN) according + to the LC_COLLATE locale. S1 and S2 do not overlap, and are not + adjacent. Temporarily modify the bytes after S1 and S2, but + restore their original contents before returning. Report an error + and exit if there is an error. */ + +int +xmemcoll (char *s1, size_t s1len, char *s2, size_t s2len) +{ + int diff = memcoll (s1, s1len, s2, s2len); + int collation_errno = errno; + + if (collation_errno) + { + error (0, collation_errno, _("string comparison failed")); + error (0, 0, _("Set LC_ALL='C' to work around the problem.")); + error (xmemcoll_exit_failure, 0, + _("The strings compared were %s and %s."), + quotearg_n_style_mem (0, locale_quoting_style, s1, s1len), + quotearg_n_style_mem (1, locale_quoting_style, s2, s2len)); + } + + return diff; +} diff --git a/lib/xmemcoll.h b/lib/xmemcoll.h new file mode 100644 index 000000000..dfda0fce9 --- /dev/null +++ b/lib/xmemcoll.h @@ -0,0 +1,2 @@ +extern int xmemcoll_exit_failure; +int xmemcoll (char *, size_t, char *, size_t); |