diff options
Diffstat (limited to 'lib/base64.c')
| -rw-r--r-- | lib/base64.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/base64.c b/lib/base64.c index 26d89231e..cb67e5ad7 100644 --- a/lib/base64.c +++ b/lib/base64.c @@ -54,22 +54,28 @@ static const char table64[]= static void decodeQuantum(unsigned char *dest, const char *src) { - unsigned int x = 0; + unsigned long x = 0; int i; char *found; + union { + unsigned long uns; + long sig; + } offset; for(i = 0; i < 4; i++) { - if((found = strchr(table64, src[i])) != NULL) - x = (x << 6) + (unsigned int)(found - table64); + if((found = strchr(table64, src[i])) != NULL) { + offset.sig = found - table64; + x = (x << 6) + offset.uns; + } else if(src[i] == '=') x = (x << 6); } - dest[2] = (unsigned char)(x & 255); + dest[2] = (unsigned char)(x & 0xFFUL); x >>= 8; - dest[1] = (unsigned char)(x & 255); + dest[1] = (unsigned char)(x & 0xFFUL); x >>= 8; - dest[0] = (unsigned char)(x & 255); + dest[0] = (unsigned char)(x & 0xFFUL); } /* |