diff options
Diffstat (limited to 'src/libstddjb/uint32_reverse.c')
-rw-r--r-- | src/libstddjb/uint32_reverse.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/libstddjb/uint32_reverse.c b/src/libstddjb/uint32_reverse.c index 51c9877..2d3f915 100644 --- a/src/libstddjb/uint32_reverse.c +++ b/src/libstddjb/uint32_reverse.c @@ -1,17 +1,17 @@ /* ISC license. */ +#include <stdint.h> +#include <string.h> #include <skalibs/uint32.h> void uint32_reverse (char *s, size_t n) { while (n--) { - char c = s[0] ; - s[0] = s[3] ; - s[3] = c ; - c = s[1] ; - s[1] = s[2] ; - s[2] = c ; - s += 4 ; + uint32_t x ; + memcpy(&x, s, sizeof(uint32_t)) ; + x = uint32_bswap(x) ; + memcpy(s, &x, sizeof(uint32_t)) ; + s += sizeof(uint32_t) ; } } |