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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:18:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:18:09 +0000 |
commit | ebe124eacd7c3faa36ed358e7cc1d7c5b419e5f6 (patch) | |
tree | 48fe9c3270176faa25c7d9fb47326f689be82fe4 /src/include/common | |
parent | Releasing progress-linux version 15.5-0+deb12u1~progress6.99u1. (diff) | |
download | postgresql-15-ebe124eacd7c3faa36ed358e7cc1d7c5b419e5f6.tar.xz postgresql-15-ebe124eacd7c3faa36ed358e7cc1d7c5b419e5f6.zip |
Merging upstream version 15.6.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/include/common/int.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/include/common/int.h b/src/include/common/int.h index 12a269d..e2617fb 100644 --- a/src/include/common/int.h +++ b/src/include/common/int.h @@ -200,8 +200,12 @@ pg_sub_s64_overflow(int64 a, int64 b, int64 *result) *result = (int64) res; return false; #else + /* + * Note: overflow is also possible when a == 0 and b < 0 (specifically, + * when b == PG_INT64_MIN). + */ if ((a < 0 && b > 0 && a < PG_INT64_MIN + b) || - (a > 0 && b < 0 && a > PG_INT64_MAX + b)) + (a >= 0 && b < 0 && a > PG_INT64_MAX + b)) { *result = 0x5EED; /* to avoid spurious warnings */ return true; |