diff options
| -rw-r--r-- | src/base64.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/base64.c b/src/base64.c index ba8acca..ee02356 100644 --- a/src/base64.c +++ b/src/base64.c @@ -101,13 +101,13 @@ unsigned char *base64decode(const char *buf, size_t *size) w3 = tmpval[2]; w4 = tmpval[3]; - if (w2 >= 0) { + if (w1 >= 0 && w2 >= 0) { outbuf[p++] = (unsigned char)(((w1 << 2) + (w2 >> 4)) & 0xFF); } - if (w3 >= 0) { + if (w2 >= 0 && w3 >= 0) { outbuf[p++] = (unsigned char)(((w2 << 4) + (w3 >> 2)) & 0xFF); } - if (w4 >= 0) { + if (w3 >= 0 && w4 >= 0) { outbuf[p++] = (unsigned char)(((w3 << 6) + w4) & 0xFF); } } |