You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24 lines
726 B
C
24 lines
726 B
C
#include "textcode.h"
|
|
|
|
unsigned long scan_uuencoded(const char *src,char *dest,unsigned long *destlen) {
|
|
unsigned int len;
|
|
unsigned long tmp;
|
|
register const unsigned char* s=(const unsigned char*) src;
|
|
const char* orig=dest;
|
|
if ((len=*s-' ')>64) return 0; len&=63;
|
|
++s;
|
|
while (len>0) {
|
|
if (s[0]-' '>64 || s[1]-' '>64 || s[2]-' '>64 || s[3]-' '>64) return 0;
|
|
tmp=(((s[0]-' ')&077) << (3*6)) +
|
|
(((s[1]-' ')&077) << (2*6)) +
|
|
(((s[2]-' ')&077) << (1*6)) +
|
|
(((s[3]-' ')&077));
|
|
s+=4;
|
|
if (len) { *dest=tmp>>16; ++dest; --len; }
|
|
if (len) { *dest=tmp>>8; ++dest; --len; }
|
|
if (len) { *dest=tmp&0xff; ++dest; --len; }
|
|
}
|
|
*destlen=dest-orig;
|
|
return (const char*)s-src;
|
|
}
|