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authorUlrich Drepper <drepper@redhat.com>2002-06-25 19:33:56 +0000
committerUlrich Drepper <drepper@redhat.com>2002-06-25 19:33:56 +0000
commitc42924899320727fd22d17c944a473bab0f55bb7 (patch)
tree4a54ddb8cac453ea5a36e4446559730325edf1ce /libio/tst-eof.c
parent51909ff7bf4563b53e6ffaf07a8e8e0af79d322f (diff)
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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.
Diffstat (limited to 'libio/tst-eof.c')
-rw-r--r--libio/tst-eof.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/libio/tst-eof.c b/libio/tst-eof.c
new file mode 100644
index 0000000..627eaf8
--- /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;
+}