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author | Roland McGrath <roland@gnu.org> | 1996-02-08 10:00:34 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1996-02-08 10:00:34 +0000 |
commit | a482b5a5959240f5d196b32c4833ac48a03c02c3 (patch) | |
tree | 7792121005bdfc6a65efc4ed0e5dd53ae6796a17 /wcsmbs/mbsdup.c | |
parent | 4ca84cff3b3e184164acde81deaad1fe52eabd14 (diff) | |
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* Makefile (subdirs): Added wcsmbs.cvs/libc-960208
* wcsmbs: New directory of wide char/multibyte char functions from
drepper.
Diffstat (limited to 'wcsmbs/mbsdup.c')
-rw-r--r-- | wcsmbs/mbsdup.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/wcsmbs/mbsdup.c b/wcsmbs/mbsdup.c new file mode 100644 index 0000000000..2d196dd06d --- /dev/null +++ b/wcsmbs/mbsdup.c @@ -0,0 +1,51 @@ +/* Copyright (C) 1995 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <mbstr.h> +#include <stdlib.h> + + +/* Duplicate MBS, returning an identical malloc'd string. */ +char * +mbsdup (mbs) + const char *mbs; +{ + size_t len = 0; + int clen = 0; + char *retval; + + /* Reset multibyte characters to their initial state. */ + (void) mblen ((char *) NULL, 0); + + do + { + len += clen; + clen = mblen (&mbs[len], MB_CUR_MAX); + } + while (clen > 0); + + retval = (char *) malloc (len + 1); + if (retval != NULL) + { + (void) memcpy ((void *) retval, (void *) mbs, len); + retval[len] = '\0'; /* '\0' is the multibyte representation of L'\0' */ + } + + return retval; +} + |