/* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
static char *dup_str(const unsigned char *in, size_t len)
{
char *ret;
if(len == 0)
return NULL;
/* Assert that the string does not contain NUL-bytes. */
OPENSSL_assert(OPENSSL_strnlen((const char*)(in), len) == len);
ret = OPENSSL_strndup((const char*)(in), len);
OPENSSL_assert(ret != NULL);
return ret;
}
char *CRYPTO_strndup(const char *str, size_t s, const char* file, int line)
{
size_t maxlen;
char *ret;
if (str == NULL)
return NULL;
maxlen = OPENSSL_strnlen(str, s);
ret = CRYPTO_malloc(maxlen + 1, file, line);
if (ret) {
memcpy(ret, str, maxlen);
ret[maxlen] = '\0';
}
return ret;
}
