Mercurial > irccd
diff extern/libcompat/src/strdup.c @ 934:243f9f51b0ff
irccd: import libcompat and utilities
author | David Demelier <markand@malikania.fr> |
---|---|
date | Sun, 10 Jan 2021 16:56:32 +0100 |
parents | |
children | cf99df45cb84 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/extern/libcompat/src/strdup.c Sun Jan 10 16:56:32 2021 +0100 @@ -0,0 +1,37 @@ +/* + * strdup.c -- strdup implementation + * + * Copyright (c) 2020 David Demelier <markand@malikania.fr> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <assert.h> +#include <stdlib.h> +#include <string.h> + +char * +strdup(const char *src) +{ + assert(src); + + char *ret; + size_t length; + + length = strlen(src) + 1; + + if (!(ret = malloc(length))) + return NULL; + + return memcpy(ret, src, length); +}