diff options
Diffstat (limited to '')
-rw-r--r-- | libkeccak_state_duplicate.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libkeccak_state_duplicate.c b/libkeccak_state_duplicate.c new file mode 100644 index 0000000..ab21c20 --- /dev/null +++ b/libkeccak_state_duplicate.c @@ -0,0 +1,20 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +/** + * A wrapper for `libkeccak_state_copy` that also allocates the duplicate + * + * @param src The state to duplicate + * @return The duplicate, `NULL` on error + */ +struct libkeccak_state * +libkeccak_state_duplicate(const struct libkeccak_state *restrict src) +{ + struct libkeccak_state *restrict dest = malloc(sizeof(struct libkeccak_state)); + if (!dest || libkeccak_state_copy(dest, src)) { + libkeccak_state_free(dest); + return NULL; + } + return dest; +} |