If a hex string has an uneven length, generate an error instead of
silently assuming a trailing '0' was in place.
assert(len);
assert(p);
+ if (l % 2 != 0)
+ return -EINVAL;
+
z = r = malloc((l + 1) / 2 + 1);
if (!r)
return -ENOMEM;
a = unhexchar(x[0]);
if (a < 0)
return a;
- else if (x+1 < p + l) {
- b = unhexchar(x[1]);
- if (b < 0)
- return b;
- } else
- b = 0;
+
+ b = unhexchar(x[1]);
+ if (b < 0)
+ return b;
*(z++) = (uint8_t) a << 4 | (uint8_t) b;
}