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Diffstat (limited to 'src/backend/utils/misc/guc.c')
| -rw-r--r-- | src/backend/utils/misc/guc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 48652b21ea4..6b202e04256 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -3358,6 +3358,9 @@ guc_malloc(int elevel, size_t size) { void *data; + /* Avoid unportable behavior of malloc(0) */ + if (size == 0) + size = 1; data = malloc(size); if (data == NULL) ereport(elevel, @@ -3371,6 +3374,9 @@ guc_realloc(int elevel, void *old, size_t size) { void *data; + /* Avoid unportable behavior of realloc(NULL, 0) */ + if (old == NULL && size == 0) + size = 1; data = realloc(old, size); if (data == NULL) ereport(elevel, |