Mirrors/proxytunnel
1
0
Fork 0
mirror of https://github.com/proxytunnel/proxytunnel.git synced 2026-01-23 02:34:59 +00:00
Code Issues Projects Releases Wiki Activity

Reformatted sourcecode.

Browse source 
git-svn-id: https://proxytunnel.svn.sourceforge.net/svnroot/proxytunnel/trunk/proxytunnel@203 bc163920-b10d-0410-b2c5-a5491ca2ceef
This commit is contained in:
Dag Wieers 2008-01-22 23:52:42 +00:00
parent 3b12106e03
commit 4ab2eb5b48
16 changed files with 171 additions and 177 deletions
Download patch file Download diff file Expand all files Collapse all files

29
base64.c
View file

@ -41,9 +41,7 @@ static const char base64val[] = {
#define DECODE64(c) (isascii(c) ? base64val[c] : BAD)
/*
* Small MAX macro
*/
/* Small MAX macro */
#ifndef MAX
#define MAX( x, y ) ( ( (x)>(y) ) ? (x) : (y) )
#endif
@ -62,8 +60,7 @@ static const char base64val[] = {
*/
/* raw bytes to null-terminated base 64 string */
void base64(unsigned char *out, const unsigned char *in, int len)
{
void base64(unsigned char *out, const unsigned char *in, int len) {
while (len >= 3) {
*out++ = base64digits[in[0] >> 2];
*out++ = base64digits[((in[0] << 4) & 0x30) | (in[1] >> 4)];
@ -88,17 +85,16 @@ void base64(unsigned char *out, const unsigned char *in, int len)
*out = '\0';
}
int unbase64(unsigned char *out, const unsigned char *in, int maxlen)
/* base 64 to raw bytes in quasi-big-endian order, returning count of bytes */
/* maxlen limits output buffer size, set to zero to ignore */
{
int unbase64(unsigned char *out, const unsigned char *in, int maxlen) {
int len = 0;
register unsigned char digit1, digit2, digit3, digit4;
if (in[0] == '+' && in[1] == ' ')
in += 2;
in += 2;
if (*in == '\r')
return(0);
return(0);
do {
digit1 = in[0];
@ -118,22 +114,19 @@ int unbase64(unsigned char *out, const unsigned char *in, int maxlen)
if (maxlen && len > maxlen)
return(-1);
*out++ = (DECODE64(digit1) << 2) | (DECODE64(digit2) >> 4);
if (digit3 != '=')
{
if (digit3 != '=') {
++len;
if (maxlen && len > maxlen)
return(-1);
*out++ = ((DECODE64(digit2) << 4) & 0xf0) | (DECODE64(digit3) >> 2);
if (digit4 != '=')
{
if (digit4 != '=') {
++len;
if (maxlen && len > maxlen)
return(-1);
*out++ = ((DECODE64(digit3) << 6) & 0xc0) | DECODE64(digit4);
if (maxlen && len > maxlen)
return(-1);
*out++ = ((DECODE64(digit3) << 6) & 0xc0) | DECODE64(digit4);
}
}
} while
(*in && *in != '\r' && digit4 != '=');
} while (*in && *in != '\r' && digit4 != '=');
return (len);
}