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siphash: introduce siphash24_compress_safe()

This commit is contained in:
Yu Watanabe 2020-12-30 01:44:04 +09:00
parent cd70fc373d
commit 0b71a7e01d
1 changed files with 8 additions and 4 deletions
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12
src/basic/siphash24.h
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@ -5,9 +5,9 @@
#include <inttypes.h> #include <inttypes.h>
#include <stddef.h> #include <stddef.h>
#include <stdint.h> #include <stdint.h>
#include <string.h>
#include <sys/types.h> #include <sys/types.h>
#include "string-util.h"
#include "time-util.h" #include "time-util.h"
struct siphash { struct siphash {
@ -33,11 +33,15 @@ static inline void siphash24_compress_usec_t(usec_t in, struct siphash *state) {
siphash24_compress(&in, sizeof in, state); siphash24_compress(&in, sizeof in, state);
} }
static inline void siphash24_compress_string(const char *in, struct siphash *state) { static inline void siphash24_compress_safe(const void *in, size_t inlen, struct siphash *state) {
if (!in) if (inlen == 0)
return; return;
siphash24_compress(in, strlen(in), state); siphash24_compress(in, inlen, state);
}
static inline void siphash24_compress_string(const char *in, struct siphash *state) {
siphash24_compress_safe(in, strlen_ptr(in), state);
} }
uint64_t siphash24_finalize(struct siphash *state); uint64_t siphash24_finalize(struct siphash *state);