}
size_t hex2bin(const char *src, void *vdst, size_t length) {
- char *dst = vdst;
+ uint8_t *dst = vdst;
size_t i;
for(i = 0; i < length && isxdigit(src[i * 2]) && isxdigit(src[i * 2 + 1]); i++) {
size_t bin2hex(const void *vsrc, char *dst, size_t length) {
const char *src = vsrc;
- for(size_t i = length; i-- > 0;) {
+ for(size_t i = length; i > 0;) {
+ --i;
dst[i * 2 + 1] = hexadecimals[(unsigned char) src[i] & 15];
dst[i * 2] = hexadecimals[(unsigned char) src[i] >> 4];
}