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#include "fmt.h"
#include "textcode.h"
#include "haveinline.h"
static inline unsigned int enc(unsigned char x) {
return ((x-1)&077)+'!';
}
size_t fmt_uuencoded(char* dest,const char* src,size_t len) {
size_t i;
register const unsigned char* s=(const unsigned char*) src;
const char* orig=dest;
size_t tmp;
if (!dest) return len>((size_t)-1)/2?(size_t)-1:(len+2)/3*4;
while (len) {
{
register unsigned int diff;
if (len>45) { i=15; diff=45; } else { i=(len+2)/3; diff=len; }
if (orig) *dest=enc(diff);
++dest;
len-=diff;
}
for (; i; --i) {
tmp=((unsigned long)s[0] << 16) +
((unsigned long)s[1] << 8) +
((unsigned long)s[2]);
if (orig) {
dest[0]=enc((tmp>>(3*6))&077);
dest[1]=enc((tmp>>(2*6))&077);
dest[2]=enc((tmp>>(1*6))&077);
dest[3]=enc(tmp&077);
}
dest+=4; s+=3;
}
if (orig) *dest='\n';
++dest;
}
return dest-orig;
}
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