diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/c.h | 5 | ||||
| -rw-r--r-- | src/include/utils/memutils.h | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/src/include/c.h b/src/include/c.h index 9066e3c5783..90593e55015 100644 --- a/src/include/c.h +++ b/src/include/c.h @@ -343,6 +343,11 @@ typedef unsigned PG_INT128_TYPE uint128; #define PG_INT64_MAX INT64CONST(0x7FFFFFFFFFFFFFFF) #define PG_UINT64_MAX UINT64CONST(0xFFFFFFFFFFFFFFFF) +/* Max value of size_t might also be missing if we don't have stdint.h */ +#ifndef SIZE_MAX +#define SIZE_MAX ((size_t) -1) +#endif + /* * We now always use int64 timestamps, but keep this symbol defined for the * benefit of external code that might test it. diff --git a/src/include/utils/memutils.h b/src/include/utils/memutils.h index c5533490668..869c59dc853 100644 --- a/src/include/utils/memutils.h +++ b/src/include/utils/memutils.h @@ -41,7 +41,7 @@ #define AllocSizeIsValid(size) ((Size) (size) <= MaxAllocSize) -#define MaxAllocHugeSize ((Size) -1 >> 1) /* SIZE_MAX / 2 */ +#define MaxAllocHugeSize (SIZE_MAX / 2) #define AllocHugeSizeIsValid(size) ((Size) (size) <= MaxAllocHugeSize) |