From c42924899320727fd22d17c944a473bab0f55bb7 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Tue, 25 Jun 2002 19:33:56 +0000
Subject: Update.

	* libio/fileops.c (_IO_file_xsgetn_mmap): Always set EOF flag is
	not enough content is available.
	* libio/tst-eof.c: New file.
	* libio/Makefile (tests): Add tst-eof.

	* libio/fileops.c (_IO_file_underflow_mmap): Read a single byte to
	update atime.
	* libio/tst-atime.c: New file.
	* libio/Makefile (tests): Add tst-atime.
---
 libio/tst-eof.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 libio/tst-eof.c

(limited to 'libio/tst-eof.c')

diff --git a/libio/tst-eof.c b/libio/tst-eof.c
new file mode 100644
index 0000000000..627eaf8ac5
--- /dev/null
+++ b/libio/tst-eof.c
@@ -0,0 +1,79 @@
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+#include <test-skeleton.c>
+
+
+static int
+do_test (void)
+{
+  char *buf;
+  int fd;
+  FILE *fp;
+  int ch;
+  char tm[20];
+
+  buf = (char *) malloc (strlen (test_dir) + sizeof "/tst-eof.XXXXXX");
+  if (buf == NULL)
+    {
+      printf ("cannot allocate memory: %m\n");
+      return 1;
+    }
+  stpcpy (stpcpy (buf, test_dir), "/tst-eof.XXXXXX");
+
+  fd = mkstemp (buf);
+  if (fd == -1)
+    {
+      printf ("cannot open temporary file: %m\n");
+      return 1;
+    }
+
+  /* Make sure it gets removed.  */
+  add_temp_file (buf);
+
+  if (write (fd, "some string\n", 12) != 12)
+    {
+      printf ("cannot write temporary file: %m\n");
+      return 1;
+    }
+
+  if (lseek (fd, 0, SEEK_SET) == (off_t) -1)
+    {
+      printf ("cannot reposition temporary file: %m\n");
+      return 1;
+    }
+
+  fp = fdopen (fd, "r");
+  if (fp == NULL)
+    {
+      printf ("cannot create stream: %m\n");
+      return 1;
+    }
+
+  if (feof (fp))
+    {
+      puts ("EOF set after fdopen");
+      return 1;
+    }
+
+  if (fread (buf, 1, 20, fp) != 12)
+    {
+      puts ("didn't read the correct number of bytes");
+      return 1;
+    }
+
+  if (! feof (fp))
+    {
+      puts ("EOF not set after fread");
+      return 1;
+    }
+
+  fclose (fp);
+
+  return 0;
+}
-- 
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