diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/common/int.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/include/common/int.h b/src/include/common/int.h index feb84102b4b..82e38d4b7bd 100644 --- a/src/include/common/int.h +++ b/src/include/common/int.h @@ -34,7 +34,10 @@ pg_add_s16_overflow(int16 a, int16 b, int16 *result) int32 res = (int32) a + (int32) b; if (res > PG_INT16_MAX || res < PG_INT16_MIN) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = (int16) res; return false; #endif @@ -54,7 +57,10 @@ pg_sub_s16_overflow(int16 a, int16 b, int16 *result) int32 res = (int32) a - (int32) b; if (res > PG_INT16_MAX || res < PG_INT16_MIN) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = (int16) res; return false; #endif @@ -74,7 +80,10 @@ pg_mul_s16_overflow(int16 a, int16 b, int16 *result) int32 res = (int32) a * (int32) b; if (res > PG_INT16_MAX || res < PG_INT16_MIN) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = (int16) res; return false; #endif @@ -94,7 +103,10 @@ pg_add_s32_overflow(int32 a, int32 b, int32 *result) int64 res = (int64) a + (int64) b; if (res > PG_INT32_MAX || res < PG_INT32_MIN) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = (int32) res; return false; #endif @@ -114,7 +126,10 @@ pg_sub_s32_overflow(int32 a, int32 b, int32 *result) int64 res = (int64) a - (int64) b; if (res > PG_INT32_MAX || res < PG_INT32_MIN) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = (int32) res; return false; #endif @@ -134,7 +149,10 @@ pg_mul_s32_overflow(int32 a, int32 b, int32 *result) int64 res = (int64) a * (int64) b; if (res > PG_INT32_MAX || res < PG_INT32_MIN) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = (int32) res; return false; #endif @@ -154,13 +172,19 @@ pg_add_s64_overflow(int64 a, int64 b, int64 *result) int128 res = (int128) a + (int128) b; if (res > PG_INT64_MAX || res < PG_INT64_MIN) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = (int64) res; return false; #else if ((a > 0 && b > 0 && a > PG_INT64_MAX - b) || (a < 0 && b < 0 && a < PG_INT64_MIN - b)) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = a + b; return false; #endif @@ -180,13 +204,19 @@ pg_sub_s64_overflow(int64 a, int64 b, int64 *result) int128 res = (int128) a - (int128) b; if (res > PG_INT64_MAX || res < PG_INT64_MIN) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = (int64) res; return false; #else if ((a < 0 && b > 0 && a < PG_INT64_MIN + b) || (a > 0 && b < 0 && a > PG_INT64_MAX + b)) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = a - b; return false; #endif @@ -206,7 +236,10 @@ pg_mul_s64_overflow(int64 a, int64 b, int64 *result) int128 res = (int128) a * (int128) b; if (res > PG_INT64_MAX || res < PG_INT64_MIN) + { + *result = 0x5EED; /* to avoid spurious warnings */ return true; + } *result = (int64) res; return false; #else @@ -229,6 +262,7 @@ pg_mul_s64_overflow(int64 a, int64 b, int64 *result) (a < 0 && b > 0 && a < PG_INT64_MIN / b) || (a < 0 && b < 0 && a < PG_INT64_MAX / b))) { + *result = 0x5EED; /* to avoid spurious warnings */ return true; } *result = a * b; |