diff options
Diffstat (limited to 'src/liboutils')
| -rw-r--r-- | src/liboutils/freezero.c | 29 | ||||
| -rw-r--r-- | src/liboutils/outils.h | 2 |
2 files changed, 31 insertions, 0 deletions
diff --git a/src/liboutils/freezero.c b/src/liboutils/freezero.c new file mode 100644 index 0000000..cda032f --- /dev/null +++ b/src/liboutils/freezero.c @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.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 MIND, 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 <stdlib.h> +#include <string.h> + +void +freezero(void *ptr, size_t size) +{ + if (ptr != NULL) { + memset(ptr, 0, size); + free(ptr); + } +} diff --git a/src/liboutils/outils.h b/src/liboutils/outils.h index 7686d60..1e628ed 100644 --- a/src/liboutils/outils.h +++ b/src/liboutils/outils.h @@ -38,3 +38,5 @@ void *reallocarray(void *, size_t, size_t); int pledge(const char *, const char **); void explicit_bzero(void *buf, size_t len); int getentropy(void *buf, size_t len); +void freezero(void *ptr, size_t size); + |