summaryrefslogtreecommitdiff
path: root/libio/bug-wmemstream1.c
diff options
context:
space:
mode:
authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /libio/bug-wmemstream1.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
downloadglibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz
2.5-18.1
Diffstat (limited to 'libio/bug-wmemstream1.c')
-rw-r--r--libio/bug-wmemstream1.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/libio/bug-wmemstream1.c b/libio/bug-wmemstream1.c
new file mode 100644
index 0000000000..22d67f71e9
--- /dev/null
+++ b/libio/bug-wmemstream1.c
@@ -0,0 +1,136 @@
+#include <stdio.h>
+#include <string.h>
+#include <wchar.h>
+
+
+static int
+do_test (void)
+{
+ size_t size;
+ wchar_t *buf;
+ FILE *fp = open_wmemstream (&buf, &size);
+ if (fp == NULL)
+ {
+ puts ("open_wmemstream failed");
+ return 1;
+ }
+
+ off64_t off = ftello64 (fp);
+ if (off != 0)
+ {
+ puts ("initial position wrong");
+ return 1;
+ }
+
+ if (fseek (fp, 32768, SEEK_SET) != 0)
+ {
+ puts ("fseek failed");
+ return 1;
+ }
+
+ if (fputws (L"foo", fp) == EOF)
+ {
+ puts ("fputws failed");
+ return 1;
+ }
+
+ if (fclose (fp) == EOF)
+ {
+ puts ("fclose failed");
+ return 1;
+ }
+
+ if (size != 32768 + 3)
+ {
+ printf ("expected size %d, got %zu\n", 32768 + 3, size);
+ return 1;
+ }
+
+ for (int i = 0; i < 32768; ++i)
+ if (buf[i] != L'\0')
+ {
+ printf ("wide character at offset %d is %#x\n",
+ i, (unsigned int) buf[i]);
+ return 1;
+ }
+
+ if (wmemcmp (buf + 32768, L"foo", 3) != 0)
+ {
+ puts ("written string incorrect");
+ return 1;
+ }
+
+ /* Mark the buffer. */
+ wmemset (buf, L'A', size);
+ free (buf);
+
+ /* Try again, this time with write mode enabled before the seek. */
+ fp = open_wmemstream (&buf, &size);
+ if (fp == NULL)
+ {
+ puts ("2nd open_wmemstream failed");
+ return 1;
+ }
+
+ off = ftello64 (fp);
+ if (off != 0)
+ {
+ puts ("2nd initial position wrong");
+ return 1;
+ }
+
+ if (fputws (L"bar", fp) == EOF)
+ {
+ puts ("2nd fputws failed");
+ return 1;
+ }
+
+ if (fseek (fp, 32768, SEEK_SET) != 0)
+ {
+ puts ("2nd fseek failed");
+ return 1;
+ }
+
+ if (fputws (L"foo", fp) == EOF)
+ {
+ puts ("3rd fputws failed");
+ return 1;
+ }
+
+ if (fclose (fp) == EOF)
+ {
+ puts ("2nd fclose failed");
+ return 1;
+ }
+
+ if (size != 32768 + 3)
+ {
+ printf ("2nd expected size %d, got %zu\n", 32768 + 3, size);
+ return 1;
+ }
+
+ if (wmemcmp (buf, L"bar", 3) != 0)
+ {
+ puts ("initial string incorrect in 2nd try");
+ return 1;
+ }
+
+ for (int i = 3; i < 32768; ++i)
+ if (buf[i] != L'\0')
+ {
+ printf ("wide character at offset %d is %#x in 2nd try\n",
+ i, (unsigned int) buf[i]);
+ return 1;
+ }
+
+ if (wmemcmp (buf + 32768, L"foo", 3) != 0)
+ {
+ puts ("written string incorrect in 2nd try");
+ return 1;
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"