libstrvec-c

commit 20a203a200b26069fc1bbd7d276014b01bd884c0
parent 9fe89a48bb89dc6740787c9ed8c95b5339bba905
Author: Louis Burda <quent.burda@gmail.com>
Date:   Sat, 13 May 2023 22:08:45 +0200

Ensure allocator return codes are properly negated

Diffstat:
M
src/strvec.c
 | 
9
+++++++--

1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/strvec.c b/src/strvec.c
@@ -47,10 +47,14 @@ strvec_alloc(size_t cap, struct allocator *allocator, int *_rc)
 	rc = _rc ? _rc : &stub;
 
 	strvec = allocator->alloc(sizeof(struct strvec), rc);
+	if (!strvec && _rc) *rc = -*rc;
 	if (!strvec) return NULL;
 
 	*rc = strvec_init(strvec, cap, allocator);
-	if (*rc) return NULL;
+	if (*rc) {
+		allocator->free(strvec);
+		return NULL;
+	}
 
 	return strvec;
 }
@@ -71,8 +75,9 @@ strvec_free(struct strvec *strvec)
 
 	rc = allocator->free(strvec);
 	LIBSTRVEC_ABORT_ON_ALLOC(rc);
+	if (rc) return -rc;
 
-	return rc;
+	return 0;
 }
 
 int