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xmerge.c: minimum readability fixups

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This replaces hardcoded magic constants with symbolic ones for
readability, and swaps one if/else blocks to better match the
order in which 0/1/2 variables are handled to nearby codepath.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2008-08-29 08:16:30 -07:00
parent e0af48e496
commit 838338cd22
1 changed files with 7 additions and 7 deletions
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14
xdiff/xmerge.c
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@ -427,7 +427,7 @@ static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1,
xscr2 = xscr2->next;
continue;
}
if (level < 1 || xscr1->i1 != xscr2->i1 ||
if (level == XDL_MERGE_MINIMAL || xscr1->i1 != xscr2->i1 ||
xscr1->chg1 != xscr2->chg1 ||
xscr1->chg2 != xscr2->chg2 ||
xdl_merge_cmp_lines(xe1, xscr1->i2,
@ -449,12 +449,11 @@ static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1,
chg0 = xscr1->i1 + xscr1->chg1 - i0;
chg1 = xscr1->i2 + xscr1->chg2 - i1;
chg2 = xscr2->i2 + xscr2->chg2 - i2;
if (ffo > 0)
chg2 += ffo;
else {
if (ffo < 0) {
chg0 -= ffo;
chg1 -= ffo;
}
} else
chg2 += ffo;
if (xdl_append_merge(&c, 0,
i0, chg0, i1, chg1, i2, chg2)) {
xdl_cleanup_merge(changes);
@ -505,9 +504,10 @@ static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1,
if (!changes)
changes = c;
/* refine conflicts */
if (level > 1 &&
if (XDL_MERGE_ZEALOUS <= level &&
(xdl_refine_conflicts(xe1, xe2, changes, xpp) < 0 ||
xdl_simplify_non_conflicts(xe1, changes, level > 2) < 0)) {
xdl_simplify_non_conflicts(xe1, changes,
XDL_MERGE_ZEALOUS < level) < 0)) {
xdl_cleanup_merge(changes);
return -1;
}