#include "mutt.h"
/* raw bytes to null-terminated base 64 string */
-void mutt_to_base64 (unsigned char *out, const unsigned char *in, size_t len,
- size_t olen)
+void mutt_to_base64 (unsigned char *out, const unsigned char *in, ssize_t len,
+ ssize_t olen)
{
while (len >= 3 && olen > 10) {
*out++ = __m_b64chars[in[0] >> 2];