hush: make memleak debugging more robust
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/hush.c b/shell/hush.c
index a02a487..63b9563 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -78,6 +78,7 @@
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*/
#include "busybox.h" /* for APPLET_IS_NOFORK/NOEXEC */
+#include <malloc.h> /* for malloc_trim */
#include <glob.h>
/* #include <dmalloc.h> */
#if ENABLE_HUSH_CASE
@@ -7265,6 +7266,10 @@
void *p;
unsigned long l;
+#ifdef M_TRIM_THRESHOLD
+ /* Optional. Reduces probability of false positives */
+ malloc_trim(0);
+#endif
/* Crude attempt to find where "free memory" starts,
* sans fragmentation. */
p = malloc(240);