}
char *hexmem(const void *p, size_t l) {
- char *r, *z;
const uint8_t *x;
+ char *r, *z;
- z = r = malloc(l * 2 + 1);
+ z = r = new(char, l * 2 + 1);
if (!r)
return NULL;
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;
}
if (padding) {
/* strip the padding */
while (l > 0 && p[l - 1] == '=' && pad < 7) {
- pad ++;
- l --;
+ pad++;
+ l--;
}
}
if (c == '+')
return offset;
- offset ++;
+ offset++;
if (c == '/')
return offset;
/* strip the padding */
if (l > 0 && p[l - 1] == '=')
- l --;
+ l--;
if (l > 0 && p[l - 1] == '=')
- l --;
+ l--;
/* a group of four input bytes needs three output bytes, in case of
padding we need to add two or three extra bytes */