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24 lines
613 B
C

23 years ago
#include "fmt.h"
#include "textcode.h"
#include "str.h"
#include "haveinline.h"
unsigned long fmt_urlencoded(char* dest,const char* src,unsigned long len) {
const char unsafe[]=" +%<>\"#{}|\\^~[]`;/?:@=&";
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register const unsigned char* s=(const unsigned char*) src;
unsigned long written=0,i;
for (i=0; i<len; ++i) {
if (s[i]&0x80 || unsafe[str_chr(unsafe,s[i])]==s[i]) {
if (dest) {
dest[written]='%';
dest[written+1]=fmt_tohex(s[i]>>4);
dest[written+2]=fmt_tohex(s[i]&15);
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}
written+=3;
} else {
if (dest) dest[written]=s[i]; ++written;
}
}
return written;
}