svn commit: r1883749 - /apr/apr/trunk/memory/unix/apr_pools.c

[yl...@apache.org]

Author: ylavic
Date: Mon Nov 23 14:38:59 2020
New Revision: 1883749

URL: http://svn.apache.org/viewvc?rev=1883749&view=rev
Log:
apr_pools: fix __attribute__((nonnull)) warning in [pre_]cleanup_register.

Since apr_[pre_]cleanup_register() functions are declared ((nonnull)) for
plain_cleanup_fn and child_cleanup_fn, the compiler (gcc-9 here) issues a
warning when we check them for !NULL is the code.

To preserve APR_POOL_DEBUG checks still with compilers that don't support
this __attribute__, let's work around this by checking NULL values afterward
for c, c->plain_cleanup_fn and c->child_cleanup_fn.

Modified:
    apr/apr/trunk/memory/unix/apr_pools.c

Modified: apr/apr/trunk/memory/unix/apr_pools.c
URL: http://svn.apache.org/viewvc/apr/apr/trunk/memory/unix/apr_pools.c?rev=1883749&r1=1883748&r2=1883749&view=diff
==============================================================================
--- apr/apr/trunk/memory/unix/apr_pools.c (original)
+++ apr/apr/trunk/memory/unix/apr_pools.c Mon Nov 23 14:38:59 2020
@@ -2519,14 +2519,10 @@ APR_DECLARE(void) apr_pool_cleanup_regis
                       apr_status_t (*plain_cleanup_fn)(void *data),
                       apr_status_t (*child_cleanup_fn)(void *data))
 {
-    cleanup_t *c;
+    cleanup_t *c = NULL;
 
 #if APR_POOL_DEBUG
     apr_pool_check_integrity(p);
-
-    if (!p || !plain_cleanup_fn || !child_cleanup_fn) {
-        abort();
-    }
 #endif /* APR_POOL_DEBUG */
 
     if (p != NULL) {
@@ -2543,12 +2539,18 @@ APR_DECLARE(void) apr_pool_cleanup_regis
         c->next = p->cleanups;
         p->cleanups = c;
     }
+
+#if APR_POOL_DEBUG
+    if (!c || !c->plain_cleanup_fn || !c->child_cleanup_fn) {
+        abort();
+    }
+#endif /* APR_POOL_DEBUG */
 }
 
 APR_DECLARE(void) apr_pool_pre_cleanup_register(apr_pool_t *p, const void *data,
                       apr_status_t (*plain_cleanup_fn)(void *data))
 {
-    cleanup_t *c;
+    cleanup_t *c = NULL;
 
 #if APR_POOL_DEBUG
     apr_pool_check_integrity(p);
@@ -2567,6 +2569,12 @@ APR_DECLARE(void) apr_pool_pre_cleanup_r
         c->next = p->pre_cleanups;
         p->pre_cleanups = c;
     }
+
+#if APR_POOL_DEBUG
+    if (!c || !c->plain_cleanup_fn) {
+        abort();
+    }
+#endif /* APR_POOL_DEBUG */
 }
 
 APR_DECLARE(void) apr_pool_cleanup_kill(apr_pool_t *p, const void *data,