aboutsummaryrefslogtreecommitdiff
path: root/libio/tst-atime.c
diff options
context:
space:
mode:
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-atime.c
parent51909ff7bf4563b53e6ffaf07a8e8e0af79d322f (diff)
downloadglibc-c42924899320727fd22d17c944a473bab0f55bb7.zip
glibc-c42924899320727fd22d17c944a473bab0f55bb7.tar.gz
glibc-c42924899320727fd22d17c944a473bab0f55bb7.tar.bz2
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-atime.c')
-rw-r--r--libio/tst-atime.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/libio/tst-atime.c b/libio/tst-atime.c
new file mode 100644
index 0000000..2df64c3
--- /dev/null
+++ b/libio/tst-atime.c
@@ -0,0 +1,97 @@
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 5
+#include <test-skeleton.c>
+
+
+static int
+do_test (void)
+{
+ char *buf;
+ int fd;
+ FILE *fp;
+ int ch;
+ struct stat st1;
+ struct stat st2;
+
+ buf = (char *) malloc (strlen (test_dir) + sizeof "/tst-atime.XXXXXX");
+ if (buf == NULL)
+ {
+ printf ("cannot allocate memory: %m\n");
+ return 1;
+ }
+ stpcpy (stpcpy (buf, test_dir), "/tst-atime.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 (fstat (fd, &st1) == -1)
+ {
+ printf ("first stat failed: %m\n");
+ return 1;
+ }
+
+ sleep (2);
+
+ ch = fgetc (fp);
+ if (ch != 's')
+ {
+ printf ("did not read correct character: got '%c', expected 's'\n", ch);
+ return 1;
+ }
+
+ if (fstat (fd, &st2) == -1)
+ {
+ printf ("second stat failed: %m\n");
+ return 1;
+ }
+
+ if (st1.st_atime > st2.st_atime)
+ {
+ puts ("second atime smaller");
+ return 1;
+ }
+ else if (st1.st_atime == st2.st_atime)
+ {
+ puts ("atime has not changed");
+ return 1;
+ }
+
+ fclose (fp);
+
+ return 0;
+}