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41f43b8243
Mark code units that generate warnings with `-Wsign-compare`. This allows for a structured approach to get rid of all such warnings over time in a way that can be easily measured. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/*
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* Copyright (C) 2021, Google LLC.
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* Based on diffcore-order.c, which is Copyright (C) 2005, Junio C Hamano
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*/
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#define DISABLE_SIGN_COMPARE_WARNINGS
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#include "git-compat-util.h"
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#include "gettext.h"
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#include "diff.h"
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#include "diffcore.h"
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void diffcore_rotate(struct diff_options *opt)
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{
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struct diff_queue_struct *q = &diff_queued_diff;
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struct diff_queue_struct outq = DIFF_QUEUE_INIT;
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int rotate_to, i;
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if (!q->nr)
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return;
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for (i = 0; i < q->nr; i++) {
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int cmp = strcmp(opt->rotate_to, q->queue[i]->two->path);
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if (!cmp)
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break; /* exact match */
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if (!opt->rotate_to_strict && cmp < 0)
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break; /* q->queue[i] is now past the target pathname */
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}
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if (q->nr <= i) {
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/* we did not find the specified path */
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if (opt->rotate_to_strict)
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die(_("No such path '%s' in the diff"), opt->rotate_to);
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return;
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}
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rotate_to = i;
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for (i = rotate_to; i < q->nr; i++)
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diff_q(&outq, q->queue[i]);
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for (i = 0; i < rotate_to; i++) {
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if (opt->skip_instead_of_rotate)
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diff_free_filepair(q->queue[i]);
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else
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diff_q(&outq, q->queue[i]);
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}
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free(q->queue);
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*q = outq;
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}
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