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.
libowfat/textcode/fmt_quotedprintable_sa.c

26 lines
592 B
C

#include "fmt.h"
#include "stralloc.h"
#include "textcode.h"
#include "haveinline.h"
static inline int tohex(char c) {
return c>9?c-10+'A':c+'0';
}
int fmt_quotedprintable_sa(stralloc* sa,const char* src,unsigned int len) {
register const unsigned char* s=(const unsigned char*) src;
unsigned long i;
for (i=0; i<len; ++i) {
if (s[i]&0x80 || s[i]=='=') {
char dest[3]={'='};
dest[1]=tohex(s[i]>>4);
dest[2]=tohex(s[i]&15);
if (!stralloc_catb(sa, dest, 3)) return 0;
} else {
if (!stralloc_catb(sa, s + i, 1)) return 0;
}
}
return 1;
}