1 files changed, 43 insertions, 0 deletions
diff --git a/tools/test/malloc/malloc.c b/tools/test/malloc/malloc.c
new file mode 100644
index 0000000..a865b9e
--- /dev/null
+++ b/tools/test/malloc/malloc.c
@@ -0,0 +1,43 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+u_long NBUCKETS		= 2000;
+u_long NOPS		= 200000;
+u_long NSIZE		= (16*1024);
+
+char **foo;
+
+int
+main(int argc, char **argv) 
+{
+    int i,j,k;
+    
+    if (argc > 1) NOPS     = strtoul(argv[1],0,0);
+    if (argc > 2) NBUCKETS = strtoul(argv[2],0,0);
+    if (argc > 3) NSIZE	   = strtoul(argv[3],0,0);
+    printf("BRK(0)=%x ",sbrk(0));
+    foo = malloc (sizeof *foo * NBUCKETS);
+    memset(foo,0,sizeof *foo * NBUCKETS);
+    for (i = 0 ; i < NOPS ; i++) {
+	j = rand() % NBUCKETS;
+	if (foo[j]) {
+	    free(foo[j]);
+	    foo[j] = 0;
+	} else {
+	    k = rand() % NSIZE;
+	    foo[j] = malloc(k);
+	    foo[j][0] = 1;
+	}
+    }
+    printf("BRK(1)=%x ",sbrk(0));
+    for (j = 0 ; j < NBUCKETS ; j++) {
+	if (foo[j]) {
+	    free(foo[j]);
+	    foo[j] = 0;
+	}
+    }
+    printf("BRK(2)=%x NOPS=%lu NBUCKETS=%lu NSIZE=%lu\n",
+	sbrk(0),NOPS,NBUCKETS,NSIZE);
+    return 0;
+}