* stdio-common/Makefile (tests): Add bug20.

	* stdio-common/bug20.c: New file.

ChangeLog

@@ -3,6 +3,8 @@
 	[BZ #5225]
 	* stdio-common/vfscanf.c (_IO_vfwscanf): Don't misuse wp pointer
 	to keep track of end of %[ format string element.
+	* stdio-common/Makefile (tests): Add bug20.
+	* stdio-common/bug20.c: New file.
 
 	[BZ #5222]
 	* elf/dl-load.c (_dl_rtld_di_serinfo): Correct handling of short

stdio-common/Makefile

@@ -57,7 +57,7 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \
 	 tst-perror tst-sprintf tst-rndseek tst-fdopen tst-fphex bug14 bug15 \
 	 tst-popen tst-unlockedio tst-fmemopen2 tst-put-error tst-fgets \
 	 tst-fwrite bug16 bug17 tst-swscanf tst-sprintf2 bug18 bug18a \
-	 bug19 bug19a tst-popen2 scanf13 scanf14 scanf15
+	 bug19 bug19a tst-popen2 scanf13 scanf14 scanf15 bug20
 
 test-srcs = tst-unbputc tst-printf
 

stdio-common/bug20.c

@@ -0,0 +1,32 @@
+/* BZ #5225 */
+#include <stdio.h>
+#include <string.h>
+#include <wchar.h>
+
+static int
+do_test (void)
+{
+  wchar_t in[] = L"123,abc,321";
+  /* This is the critical part for this test.  format must be in
+     read-only memory.  */
+  static const wchar_t format[50] = L"%d,%[^,],%d";
+  int out_d1, out_d2;
+  char out_s[50];
+  printf ("in='%ls' format='%ls'\n", in, format);
+  if (swscanf (in, format, &out_d1, out_s, &out_d2) != 3)
+    {
+      puts ("swscanf did not return 3");
+      return 1;
+    }
+  printf ("in='%ls' format='%ls'\n", in, format);
+  printf ("out_d1=%d out_s='%s' out_d2=%d\n", out_d1, out_s, out_d2);
+  if (out_d1 != 123 || strcmp (out_s, "abc") != 0 || out_d2 != 321)
+    {
+      puts ("swscanf did not return the correct values");
+      return 1;
+    }
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"