s->h[7] = 0x5be0cd19;
}
-static void sha256_sum(struct sha256 *s, uint8_t md[20])
+static void sha256_sum(struct sha256 *s, uint8_t *md)
{
int i;
memcpy(s->buf, p, len);
}
-static unsigned char b64[] =
+static const unsigned char b64[] =
"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
static char *to64(char *s, unsigned int u, int n)