tests/llseek.c: use libtests

* tests/llseek.c: Use SKIP_MAIN_UNDEFINED.
(main): Use assert and perror_msg_and_skip.

diff --git a/tests/llseek.c b/tests/llseek.c
index 8ff5de9171d7ea4ede221d1f3c2a0212f0870475..a9d1914a2ac751f3beaf36eb25052e7ecfd302f2 100644 (file)
--- a/tests/llseek.c
+++ b/tests/llseek.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -30,9 +30,10 @@
 
 #ifdef __NR__llseek
 
-#include <errno.h>
-#include <stdio.h>
-#include <unistd.h>
+# include <assert.h>
+# include <errno.h>
+# include <stdio.h>
+# include <unistd.h>
 
 int
 main(void)
@@ -41,12 +42,12 @@ main(void)
        const unsigned long low = 0xdeadbeef;
        const unsigned long long offset = 0xdefaceddeadbeef;
        unsigned long long result;
-       int rc = syscall(__NR__llseek, -1, high, low, &result, SEEK_SET);
 
-       if (rc != -1 || EBADF != errno)
-               return 77;
+       assert(syscall(__NR__llseek, -1, high, low, &result, SEEK_SET) == -1);
+       if (EBADF != errno)
+               perror_msg_and_skip("_llseek");
 
-       printf("_llseek(-1, %llu, %p, SEEK_SET) = -1 EBADF (Bad file descriptor)\n",
+       printf("_llseek(-1, %llu, %p, SEEK_SET) = -1 EBADF (%m)\n",
               offset, &result);
 
        puts("+++ exited with 0 +++");
@@ -55,10 +56,6 @@ main(void)
 
 #else
 
-int
-main(void)
-{
-       return 77;
-}
+SKIP_MAIN_UNDEFINED("__NR__llseek")
 
 #endif