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author | Nicholas Marriott <nicholas.marriott@gmail.com> | 2017-03-09 15:43:08 +0000 |
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committer | Nicholas Marriott <nicholas.marriott@gmail.com> | 2017-03-09 15:43:08 +0000 |
commit | b79df1dc29c5ca3181be3e6e642f6c51e951e34e (patch) | |
tree | 8740f7765aeccd4559cc62f34f76094dc8853da1 /compat/strndup.c | |
parent | 180ebf02081087eec625a25c785985f5d6b5eff4 (diff) |
Compat code for strndup and strnlen.
Diffstat (limited to 'compat/strndup.c')
-rw-r--r-- | compat/strndup.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/compat/strndup.c b/compat/strndup.c new file mode 100644 index 00000000..32bec6ab --- /dev/null +++ b/compat/strndup.c @@ -0,0 +1,41 @@ +/* $OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp $ */ + +/* + * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com> + * + * Permission to use, copy, modify, and 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 <sys/types.h> + +#include <stddef.h> +#include <stdlib.h> +#include <string.h> + +#include "compat.h" + +char * +strndup(const char *str, size_t maxlen) +{ + char *copy; + size_t len; + + len = strnlen(str, maxlen); + copy = malloc(len + 1); + if (copy != NULL) { + (void)memcpy(copy, str, len); + copy[len] = '\0'; + } + + return copy; +} |