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authorPaul Pluzhnikov <ppluzhnikov@google.com>2015-08-12 23:51:04 -0700
committerPaul Pluzhnikov <ppluzhnikov@google.com>2015-08-12 23:51:04 -0700
commit63e952d9be87db68f0e4164d4a5760b32e77ebff (patch)
tree652f8bece6a6a04f7618093c9d3dc1b0a398d965 /libio/test-fmemopen.c
parent8a29509dd9aa179bfe4ef96d49d72f6816ec878f (diff)
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Fix BZ #18820 -- fmemopen may leak memory on failure.
Diffstat (limited to 'libio/test-fmemopen.c')
-rw-r--r--libio/test-fmemopen.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/libio/test-fmemopen.c b/libio/test-fmemopen.c
index 63ca89f300..e8e757f351 100644
--- a/libio/test-fmemopen.c
+++ b/libio/test-fmemopen.c
@@ -22,6 +22,32 @@ static char buffer[] = "foobar";
#include <stdio.h>
#include <string.h>
#include <errno.h>
+#include <mcheck.h>
+
+static int
+do_bz18820 (void)
+{
+ char ch;
+ FILE *stream;
+
+ stream = fmemopen (&ch, 1, "?");
+ if (stream)
+ {
+ printf ("fmemopen: expected NULL, got %p\n", stream);
+ fclose (stream);
+ return 1;
+ }
+
+ stream = fmemopen (NULL, 42, "?");
+ if (stream)
+ {
+ printf ("fmemopen: expected NULL, got %p\n", stream);
+ fclose (stream);
+ return 2;
+ }
+
+ return 0;
+}
static int
do_test (void)
@@ -30,6 +56,8 @@ do_test (void)
FILE *stream;
int ret = 0;
+ mtrace ();
+
stream = fmemopen (buffer, strlen (buffer), "r+");
while ((ch = fgetc (stream)) != EOF)
@@ -44,7 +72,7 @@ do_test (void)
fclose (stream);
- return ret;
+ return ret + do_bz18820 ();
}
#define TEST_FUNCTION do_test ()