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Diffstat (limited to '')
-rw-r--r-- | lib/explicit_bzero.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/explicit_bzero.c b/lib/explicit_bzero.c new file mode 100644 index 0000000..fa64ed8 --- /dev/null +++ b/lib/explicit_bzero.c @@ -0,0 +1,39 @@ +/* + * Public domain. + * Written by Matthew Dempsky. + * Adapted for frr. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string.h> + +#ifndef HAVE_EXPLICIT_BZERO +#undef explicit_bzero + + +void explicit_bzero(void *buf, size_t len); +__attribute__((__weak__)) void +__explicit_bzero_hook(void *buf, size_t len); + +__attribute__((__weak__)) void +__explicit_bzero_hook(void *buf, size_t len) +{ +} + +#if defined(__clang__) +#pragma clang optimize off +#else +#pragma GCC optimize("00") +#endif + +void +explicit_bzero(void *buf, size_t len) +{ + memset(buf, 0, len); + __explicit_bzero_hook(buf, len); +} + +#endif |