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https://github.com/xenia-project/FFmpeg.git
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Cosmetics: add do {} while 0 to macro.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
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0421b6dc7a
commit
420719e141
@ -68,13 +68,14 @@ static const uint8_t map2[256] =
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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};
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#define BASE64_DEC_STEP(i) \
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#define BASE64_DEC_STEP(i) do { \
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bits = map2[in[i]]; \
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if (bits & 0x80) \
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goto out; \
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v = (v << 6) + bits; \
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if (i & 3) \
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*dst++ = v >> (6 - 2 * (i & 3)); \
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} while(0)
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int av_base64_decode(uint8_t *out, const char *in_str, int out_size)
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{
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@ -87,29 +88,29 @@ int av_base64_decode(uint8_t *out, const char *in_str, int out_size)
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v = 0;
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while (end - dst > 2) {
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BASE64_DEC_STEP(0)
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BASE64_DEC_STEP(1)
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BASE64_DEC_STEP(2)
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BASE64_DEC_STEP(3)
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BASE64_DEC_STEP(0);
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BASE64_DEC_STEP(1);
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BASE64_DEC_STEP(2);
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BASE64_DEC_STEP(3);
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in += 4;
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}
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if (end - dst) {
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BASE64_DEC_STEP(0)
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BASE64_DEC_STEP(1)
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BASE64_DEC_STEP(0);
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BASE64_DEC_STEP(1);
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if (end - dst) {
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BASE64_DEC_STEP(2)
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BASE64_DEC_STEP(2);
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in++;
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}
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in += 2;
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}
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while (1) {
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BASE64_DEC_STEP(0)
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BASE64_DEC_STEP(0);
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in++;
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BASE64_DEC_STEP(0)
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BASE64_DEC_STEP(0);
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in++;
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BASE64_DEC_STEP(0)
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BASE64_DEC_STEP(0);
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in++;
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BASE64_DEC_STEP(0)
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BASE64_DEC_STEP(0);
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in++;
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}
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