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-rw-r--r--lib/memxfrm.h48
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diff --git a/lib/memxfrm.h b/lib/memxfrm.h
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--- a/lib/memxfrm.h
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-/* Locale dependent memory area transformation for comparison.
- Copyright (C) 2009, 2010 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 MEMXFRM_H
-#define MEMXFRM_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
- memxfrm(S1,N1) and memxfrm(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 * memxfrm (char *s, size_t n, char *resultbuf, size_t *lengthp);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* MEMXFRM_H */