diff options
Diffstat (limited to 'lib/strdup.c')
-rw-r--r-- | lib/strdup.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/strdup.c b/lib/strdup.c new file mode 100644 index 0000000..ce43940 --- /dev/null +++ b/lib/strdup.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1991, 1996-1998, 2002-2004, 2006-2007, 2009-2018 Free Software + Foundation, Inc. + + This file is part of the GNU C Library. + + 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 3, 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, see <https://www.gnu.org/licenses/>. */ + +#ifndef _LIBC +# include <config.h> +#endif + +/* Get specification. */ +#include <string.h> + +#include <stdlib.h> + +#undef __strdup +#ifdef _LIBC +# undef strdup +#endif + +#ifndef weak_alias +# define __strdup strdup +#endif + +/* Duplicate S, returning an identical malloc'd string. */ +char * +__strdup (const char *s) +{ + size_t len = strlen (s) + 1; + void *new = malloc (len); + + if (new == NULL) + return NULL; + + return (char *) memcpy (new, s, len); +} +#ifdef libc_hidden_def +libc_hidden_def (__strdup) +#endif +#ifdef weak_alias +weak_alias (__strdup, strdup) +#endif |