tests: use sprintrc in tests/fchmodat.c

* tests/fchmodat.c (main): Use sprintrc.  Add more fchmodat decoding tests.

diff --git a/tests/fchmodat.c b/tests/fchmodat.c
index b49830dc397b4a3e83be58a9aacab55b891b3160..c52a1cabc9c9c37b263bbde74eb8529cee987778 100644 (file)
--- a/tests/fchmodat.c
+++ b/tests/fchmodat.c
@@ -33,6 +33,7 @@
 #ifdef __NR_fchmodat
 
 # include <fcntl.h>
+# include <sys/stat.h>
 # include <stdio.h>
 # include <unistd.h>
 
@@ -41,21 +42,23 @@ main(void)
 {
        static const char sample[] = "fchmodat_sample";
 
-       if (open(sample, O_RDONLY | O_CREAT, 0400) == -1)
+       if (open(sample, O_RDONLY | O_CREAT, 0400) < 0)
                perror_msg_and_fail("open");
 
-       if (syscall(__NR_fchmodat, -100, sample, 0600) == 0) {
-               printf("fchmodat(AT_FDCWD, \"%s\", 0600) = 0\n", sample);
+       long rc = syscall(__NR_fchmodat, -100, sample, 0600);
+       printf("fchmodat(AT_FDCWD, \"%s\", 0600) = %s\n",
+              sample, sprintrc(rc));
 
-               if (unlink(sample))
-                       perror_msg_and_fail("unlink");
+       if (unlink(sample))
+               perror_msg_and_fail("unlink");
 
-               if (syscall(__NR_fchmodat, -100, sample, 0600) != -1)
-                       perror_msg_and_fail("fchmodat");
-       }
+       rc = syscall(__NR_fchmodat, -100, sample, 051);
+       printf("fchmodat(AT_FDCWD, \"%s\", 051) = %s\n",
+              sample, sprintrc(rc));
 
-       printf("fchmodat(AT_FDCWD, \"%s\", 0600) = -1 %s (%m)\n",
-              sample, errno2name());
+       rc = syscall(__NR_fchmodat, -100, sample, 004);
+       printf("fchmodat(AT_FDCWD, \"%s\", 004) = %s\n",
+              sample, sprintrc(rc));
 
        puts("+++ exited with 0 +++");
        return 0;