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authorJason Evans <jasone@canonware.com>2011-07-31 00:27:02 (GMT)
committerJason Evans <jasone@canonware.com>2011-07-31 00:27:02 (GMT)
commit446c3b22f1299ff4a5549b0b36540bceda6c3beb (patch)
tree56e74b11294ca1ced74274bad05f4a153475b558 /test/mremap.c
parent5ef7abf6d846720fb3fb8c737861c99b5ad1d862 (diff)
parent4c48481e7c8f5e5dce55aa55d725e1a479b01224 (diff)
downloadjemalloc-2.2.2.zip
jemalloc-2.2.2.tar.gz
jemalloc-2.2.2.tar.bz2
Merge branch 'dev'2.2.2
Diffstat (limited to 'test/mremap.c')
-rw-r--r--test/mremap.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/test/mremap.c b/test/mremap.c
new file mode 100644
index 0000000..146c66f
--- /dev/null
+++ b/test/mremap.c
@@ -0,0 +1,67 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+
+#define JEMALLOC_MANGLE
+#include "jemalloc_test.h"
+
+int
+main(void)
+{
+ int ret, err;
+ size_t sz, lg_chunk, chunksize, i;
+ char *p, *q;
+
+ fprintf(stderr, "Test begin\n");
+
+ sz = sizeof(lg_chunk);
+ if ((err = JEMALLOC_P(mallctl)("opt.lg_chunk", &lg_chunk, &sz, NULL,
+ 0))) {
+ assert(err != ENOENT);
+ fprintf(stderr, "%s(): Error in mallctl(): %s\n", __func__,
+ strerror(err));
+ ret = 1;
+ goto RETURN;
+ }
+ chunksize = ((size_t)1U) << lg_chunk;
+
+ p = (char *)malloc(chunksize);
+ if (p == NULL) {
+ fprintf(stderr, "malloc(%zu) --> %p\n", chunksize, p);
+ ret = 1;
+ goto RETURN;
+ }
+ memset(p, 'a', chunksize);
+
+ q = (char *)realloc(p, chunksize * 2);
+ if (q == NULL) {
+ fprintf(stderr, "realloc(%p, %zu) --> %p\n", p, chunksize * 2,
+ q);
+ ret = 1;
+ goto RETURN;
+ }
+ for (i = 0; i < chunksize; i++) {
+ assert(q[i] == 'a');
+ }
+
+ p = q;
+
+ q = (char *)realloc(p, chunksize);
+ if (q == NULL) {
+ fprintf(stderr, "realloc(%p, %zu) --> %p\n", p, chunksize, q);
+ ret = 1;
+ goto RETURN;
+ }
+ for (i = 0; i < chunksize; i++) {
+ assert(q[i] == 'a');
+ }
+
+ free(q);
+
+ ret = 0;
+RETURN:
+ fprintf(stderr, "Test end\n");
+ return (ret);
+}