xdiff-interface: provide a separate consume callback for hunks
The previous commit taught xdiff to optionally provide the hunk header data to a specialized callback. But most users of xdiff actually use our more convenient xdi_diff_outf() helper, which ensures that our callbacks are always fed whole lines. Let's plumb the special hunk-callback through this interface, too. It will follow the same rule as xdiff when the hunk callback is NULL (i.e., continue to pass a stringified hunk header to the line callback). Since we add NULL to each caller, there should be no behavior change yet. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
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611e42a598
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9346d6d14d
@ -190,7 +190,7 @@ static int diffsize(const char *a, const char *b)
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mf2.size = strlen(b);
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cfg.ctxlen = 3;
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if (!xdi_diff_outf(&mf1, &mf2, diffsize_consume, &count, &pp, &cfg))
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if (!xdi_diff_outf(&mf1, &mf2, NULL, diffsize_consume, &count, &pp, &cfg))
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return count;
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error(_("failed to generate diff"));
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