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-rw-r--r--io/test-utime.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/io/test-utime.c b/io/test-utime.c
index 32e14bd161..8dbbcf990d 100644
--- a/io/test-utime.c
+++ b/io/test-utime.c
@@ -22,6 +22,7 @@
#include <sys/stat.h>
#include <unistd.h>
#include <utime.h>
+#include <time.h>
int
main (int argc, char *argv[])
@@ -29,6 +30,8 @@ main (int argc, char *argv[])
char file[L_tmpnam];
struct utimbuf ut;
struct stat st;
+ struct stat stnow;
+ time_t now1, now2;
int fd;
if (tmpnam (file) == 0)
@@ -45,6 +48,7 @@ main (int argc, char *argv[])
}
close (fd);
+ /* Test utime with arg */
ut.actime = 500000000;
ut.modtime = 500000001;
if (utime (file, &ut))
@@ -61,6 +65,39 @@ main (int argc, char *argv[])
exit (1);
}
+ /* Test utime with NULL.
+ Since there's a race condition possible here, we check
+ the time before and after the call to utime. */
+ now1 = time (NULL);
+ if (now1 == (time_t)-1)
+ {
+ perror ("time");
+ remove (file);
+ exit (1);
+ }
+
+ if (utime (file, NULL))
+ {
+ perror ("utime NULL");
+ remove (file);
+ exit (1);
+ }
+
+ now2 = time (NULL);
+ if (now2 == (time_t)-1)
+ {
+ perror ("time");
+ remove (file);
+ exit (1);
+ }
+
+ if (stat (file, &stnow))
+ {
+ perror ("stat");
+ remove (file);
+ exit (1);
+ }
+
remove (file);
if (st.st_mtime != ut.modtime)
@@ -75,6 +112,18 @@ main (int argc, char *argv[])
exit (1);
}
+ if (stnow.st_mtime < now1 || stnow.st_mtime > now2)
+ {
+ printf ("modtime %ld <%ld >%ld\n", st.st_mtime, now1, now2);
+ exit (1);
+ }
+
+ if (stnow.st_atime < now1 || stnow.st_atime > now2)
+ {
+ printf ("actime %ld <%ld >%ld\n", st.st_atime, now1, now2);
+ exit (1);
+ }
+
puts ("Test succeeded.");
exit (0);
}