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xdiff: avoid signed vs. unsigned comparisons in xhistogram.c

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The comparisons all involve unsigned variables. Cast the comparison
to unsigned to eliminate the mismatch.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
David Aguilar
2025-02-11 22:04:16 -08:00
committed by Junio C Hamano
parent 46fb084353
commit 2dc6cf247e
1 changed files with 4 additions and 6 deletions
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10
xdiff/xhistogram.c
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@@ -41,8 +41,6 @@
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define DISABLE_SIGN_COMPARE_WARNINGS
#include "xinclude.h"
#define MAX_PTR UINT_MAX
@@ -108,7 +106,7 @@ static int scanA(struct histindex *index, int line1, int count1)
unsigned int chain_len;
struct record **rec_chain, *rec;
for (ptr = LINE_END(1); line1 <= ptr; ptr--) {
for (ptr = LINE_END(1); (unsigned int)line1 <= ptr; ptr--) {
tbl_idx = TABLE_HASH(index, 1, ptr);
rec_chain = index->records + tbl_idx;
rec = *rec_chain;
@@ -183,14 +181,14 @@ static int try_lcs(struct histindex *index, struct region *lcs, int b_ptr,
be = bs;
rc = rec->cnt;
while (line1 < as && line2 < bs
while ((unsigned int)line1 < as && (unsigned int)line2 < bs
&& CMP(index, 1, as - 1, 2, bs - 1)) {
as--;
bs--;
if (1 < rc)
rc = XDL_MIN(rc, CNT(index, as));
}
while (ae < LINE_END(1) && be < LINE_END(2)
while (ae < (unsigned int)LINE_END(1) && be < (unsigned int)LINE_END(2)
&& CMP(index, 1, ae + 1, 2, be + 1)) {
ae++;
be++;
@@ -315,7 +313,7 @@ redo:
if (count1 <= 0 && count2 <= 0)
return 0;
if (LINE_END(1) >= MAX_PTR)
if ((unsigned int)LINE_END(1) >= MAX_PTR)
return -1;
if (!count1) {