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path: root/src/backend/utils/adt/int8.c
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Diffstat (limited to 'src/backend/utils/adt/int8.c')
-rw-r--r--src/backend/utils/adt/int8.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/backend/utils/adt/int8.c b/src/backend/utils/adt/int8.c
index d8ee8c6c982..5e8cc030137 100644
--- a/src/backend/utils/adt/int8.c
+++ b/src/backend/utils/adt/int8.c
@@ -599,9 +599,13 @@ int8div(PG_FUNCTION_ARGS)
int64 result;
if (arg2 == 0)
+ {
ereport(ERROR,
(errcode(ERRCODE_DIVISION_BY_ZERO),
errmsg("division by zero")));
+ /* ensure compiler realizes we mustn't reach the division (gcc bug) */
+ PG_RETURN_NULL();
+ }
result = arg1 / arg2;
@@ -646,9 +650,14 @@ int8mod(PG_FUNCTION_ARGS)
int64 arg2 = PG_GETARG_INT64(1);
if (arg2 == 0)
+ {
ereport(ERROR,
(errcode(ERRCODE_DIVISION_BY_ZERO),
errmsg("division by zero")));
+ /* ensure compiler realizes we mustn't reach the division (gcc bug) */
+ PG_RETURN_NULL();
+ }
+
/* No overflow is possible */
PG_RETURN_INT64(arg1 % arg2);
@@ -824,9 +833,13 @@ int84div(PG_FUNCTION_ARGS)
int64 result;
if (arg2 == 0)
+ {
ereport(ERROR,
(errcode(ERRCODE_DIVISION_BY_ZERO),
errmsg("division by zero")));
+ /* ensure compiler realizes we mustn't reach the division (gcc bug) */
+ PG_RETURN_NULL();
+ }
result = arg1 / arg2;
@@ -1008,9 +1021,13 @@ int82div(PG_FUNCTION_ARGS)
int64 result;
if (arg2 == 0)
+ {
ereport(ERROR,
(errcode(ERRCODE_DIVISION_BY_ZERO),
errmsg("division by zero")));
+ /* ensure compiler realizes we mustn't reach the division (gcc bug) */
+ PG_RETURN_NULL();
+ }
result = arg1 / arg2;