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authorAndreas Schwab <schwab@redhat.com>2009-09-02 19:45:33 -0700
committerUlrich Drepper <drepper@redhat.com>2009-09-02 19:45:33 -0700
commit5d2e69766a8faba5bae37702094c36113365a6ca (patch)
tree15e0ea1f811e08c63f5feefadeb85d9a2ae66c48 /libio/bug-wsetpos.c
parent22bb992d51903bc8cd5f67a207d00e3a6aa8e1a9 (diff)
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Fix fsetpos on wide stream.
Diffstat (limited to 'libio/bug-wsetpos.c')
-rw-r--r--libio/bug-wsetpos.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/libio/bug-wsetpos.c b/libio/bug-wsetpos.c
new file mode 100644
index 0000000..ccb22a4
--- /dev/null
+++ b/libio/bug-wsetpos.c
@@ -0,0 +1,75 @@
+/* Test program for fsetpos on a wide character stream. */
+
+#include <assert.h>
+#include <stdio.h>
+#include <wchar.h>
+
+static void do_prepare (void);
+#define PREPARE(argc, argv) do_prepare ()
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+#include <test-skeleton.c>
+
+static const char pattern[] = "12345";
+static char *temp_file;
+
+static void
+do_prepare (void)
+{
+ int fd = create_temp_file ("bug-wsetpos.", &temp_file);
+ if (fd == -1)
+ {
+ printf ("cannot create temporary file: %m\n");
+ exit (1);
+ }
+ write (fd, pattern, sizeof (pattern));
+ close (fd);
+}
+
+static int
+do_test (void)
+{
+ FILE *fp = fopen (temp_file, "r");
+ fpos_t pos;
+ wchar_t c;
+
+ if (fp == NULL)
+ {
+ printf ("fdopen: %m\n");
+ return 1;
+ }
+
+ c = fgetwc (fp); assert (c == L'1');
+ c = fgetwc (fp); assert (c == L'2');
+
+ if (fgetpos (fp, &pos) == EOF)
+ {
+ printf ("fgetpos: %m\n");
+ return 1;
+ }
+
+ rewind (fp);
+ if (ferror (fp))
+ {
+ printf ("rewind: %m\n");
+ return 1;
+ }
+
+ c = fgetwc (fp); assert (c == L'1');
+
+ if (fsetpos (fp, &pos) == EOF)
+ {
+ printf ("fsetpos: %m\n");
+ return 1;
+ }
+
+ c = fgetwc (fp);
+ if (c != L'3')
+ {
+ puts ("fsetpos failed");
+ return 1;
+ }
+
+ puts ("Test succeeded.");
+ return 0;
+}