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sequencer.c: rework search for start of footer to improve clarity
This code sequence is somewhat difficult to read. Let's rewrite it and add some comments to improve clarity. Signed-off-by: Brandon Casey <drafnel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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sequencer.c
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sequencer.c
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@ -1019,19 +1019,21 @@ int sequencer_pick_revisions(struct replay_opts *opts)
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static int ends_rfc2822_footer(struct strbuf *sb, int ignore_footer)
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{
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int ch;
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int hit = 0;
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char ch, prev;
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int i, j, k;
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int len = sb->len - ignore_footer;
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int first = 1;
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const char *buf = sb->buf;
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prev = '\0';
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for (i = len - 1; i > 0; i--) {
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if (hit && buf[i] == '\n')
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ch = buf[i];
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if (prev == '\n' && ch == '\n') /* paragraph break */
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break;
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hit = (buf[i] == '\n');
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prev = ch;
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}
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/* advance to start of last paragraph */
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while (i < len - 1 && buf[i] == '\n')
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i++;
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