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