Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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#include "stralloc.h"
#include "textcode.h"
int scan_uuencoded_sa(const char *src,stralloc *sa) {
unsigned int len;
unsigned long tmp;
register const unsigned char* s=(const unsigned char*) src;
if ((len=*s-' ')>64) return 0; len&=63;
++s;
while (len>0) {
char dest[3];
unsigned int l=len;
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[0]=tmp>>16; --len; }
if (len) { dest[1]=tmp>>8; --len; }
if (len) { dest[2]=tmp&0xff; --len; }
if (!stralloc_catb(sa,dest,l-len)) return 0;
}
return 1;
}