diff options
author | Manuel A. Fernandez Montecelo <manuel.montezelo@gmail.com> | 2016-05-27 14:35:40 +0100 |
---|---|---|
committer | Manuel A. Fernandez Montecelo <manuel.montezelo@gmail.com> | 2016-05-27 14:35:40 +0100 |
commit | b1de003dac299705a7f01c997d2b866bafe39926 (patch) | |
tree | 1cc16a3877e945116387a380f7f3023f81fa36e4 /lib/amemxfrm.h | |
parent | 752fd7247bc223bcea35bd89cf56d1c08ead9ba6 (diff) | |
parent | 3590c846d4c2febbc05b4ad6b14a06edc549e453 (diff) |
Merge tag 'upstream/0.9.6+really0.9.6'
Upstream version 0.9.6+really0.9.6
Diffstat (limited to 'lib/amemxfrm.h')
-rw-r--r-- | lib/amemxfrm.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/amemxfrm.h b/lib/amemxfrm.h new file mode 100644 index 0000000..21802ce --- /dev/null +++ b/lib/amemxfrm.h @@ -0,0 +1,48 @@ +/* Locale dependent memory area transformation for comparison. + Copyright (C) 2009-2015 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 3 of the License, 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifndef AMEMXFRM_H +#define AMEMXFRM_H + +#include <stddef.h> + +#ifdef __cplusplus +extern "C" { +#endif + + +/* Generalization of strxfrm() to strings with embedded NUL bytes. */ + +/* Transform the memory area [S..S+N-1] to a memory area, in such a way that + comparing (S1,N1) and (S2,N2) with memcoll() is equivalent to comparing + amemxfrm(S1,N1) and amemxfrm(S2,N2) with memcmp2(). + The byte S[N] may be temporarily overwritten by this function, but will be + restored before this function returns. + The result of this function depends on the LC_COLLATE category of the + current locale. + If successful: If resultbuf is not NULL and the result fits into *lengthp + bytes, it is put in resultbuf, and resultbuf is returned. Otherwise, a + freshly allocated string is returned. In both cases, *lengthp is set to the + length of the returned string. + Upon failure, return NULL, with errno set. */ +extern char * amemxfrm (char *s, size_t n, char *resultbuf, size_t *lengthp); + + +#ifdef __cplusplus +} +#endif + +#endif /* AMEMXFRM_H */ |