tests/swap.c: cleanup

* tests/swap.c (error_msg): Remove.
(main): Use errno2name.

diff --git a/tests/swap.c b/tests/swap.c
index e8f01968fb4ce53acefa6a36882c5a60859a0d96..3ab916359e233672a3adaeca9cc40e4e05989735 100644 (file)
--- a/tests/swap.c
+++ b/tests/swap.c
@@ -8,48 +8,38 @@
 # include <sys/swap.h>
 # include <unistd.h>
 
-static const char *
-error_msg(int error_num)
-{
-       switch (error_num) {
-               case ENOSYS: return "ENOSYS";
-               case EPERM: return "EPERM";
-               case EINVAL: return "EINVAL";
-               default: return "ENOENT";
-       }
-}
-
 int
 main(void)
 {
        static const char sample[] = "swap.sample";
+       long rc;
 
-       int rc = syscall(__NR_swapon, sample, 0);
-       printf("swapon(\"%s\", 0) = %d %s (%m)\n",
-              sample, rc, error_msg(errno));
+       rc = syscall(__NR_swapon, sample, 0);
+       printf("swapon(\"%s\", %s) = %ld %s (%m)\n",
+              sample, "0", rc, errno2name());
 
        rc = syscall(__NR_swapon, sample, 42);
-       printf("swapon(\"%s\", %s) = %d %s (%m)\n",
-              sample, "42", rc, error_msg(errno));
+       printf("swapon(\"%s\", %s) = %ld %s (%m)\n",
+              sample, "42", rc, errno2name());
 
        rc = syscall(__NR_swapon, sample, SWAP_FLAG_PREFER);
-       printf("swapon(\"%s\", %s) = %d %s (%m)\n",
-              sample, "SWAP_FLAG_PREFER", rc, error_msg(errno));
+       printf("swapon(\"%s\", %s) = %ld %s (%m)\n",
+              sample, "SWAP_FLAG_PREFER", rc, errno2name());
 
        rc = syscall(__NR_swapon, sample, SWAP_FLAG_PREFER | 42);
-       printf("swapon(\"%s\", %s) = %d %s (%m)\n",
-              sample, "SWAP_FLAG_PREFER|42", rc, error_msg(errno));
+       printf("swapon(\"%s\", %s) = %ld %s (%m)\n",
+              sample, "SWAP_FLAG_PREFER|42", rc, errno2name());
 
        rc = syscall(__NR_swapon, sample, -1L);
-       printf("swapon(\"%s\", %s) = %d %s (%m)\n",
+       printf("swapon(\"%s\", %s) = %ld %s (%m)\n",
               sample,
               "SWAP_FLAG_PREFER|SWAP_FLAG_DISCARD|SWAP_FLAG_DISCARD_ONCE"
               "|SWAP_FLAG_DISCARD_PAGES|0xfff80000|32767",
-              rc, error_msg(errno));
+              rc, errno2name());
 
        rc = syscall(__NR_swapoff, sample);
-       printf("swapoff(\"%s\") = %d %s (%m)\n",
-              sample, rc, error_msg(errno));
+       printf("swapoff(\"%s\") = %ld %s (%m)\n",
+              sample, rc, errno2name());
 
        puts("+++ exited with 0 +++");
        return 0;