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/*
* %-encoding in URL style.
*
* Defaults to escaping % itself (necessary for decoding to even
* work), and any C0 escape character. Further bad characters can be
* provided in 'badchars'.
*/
#include "misc.h"
void percent_encode_bs(BinarySink *bs, ptrlen data, const char *badchars)
{
for (const char *p = data.ptr, *e = ptrlen_end(data); p < e; p++) {
char c = *p;
if (c == '%' || c < ' ' || (badchars && strchr(badchars, c)))
put_fmt(bs, "%%%02X", (unsigned char)c);
else
put_byte(bs, c);
}
}
void percent_encode_fp(FILE *fp, ptrlen data, const char *badchars)
{
stdio_sink ss;
stdio_sink_init(&ss, fp);
percent_encode_bs(BinarySink_UPCAST(&ss), data, badchars);
}
strbuf *percent_encode_sb(ptrlen data, const char *badchars)
{
strbuf *sb = strbuf_new();
percent_encode_bs(BinarySink_UPCAST(sb), data, badchars);
return sb;
}
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