From: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue, 5 Jan 2016 23:28:15 +0000 (+0000)
Subject: tests/llseek.c: use libtests
X-Git-Tag: v4.12~723
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a79617a637168994bbb7b12c8347c12981f2f57f;p=strace

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 8ff5de91..a9d1914a 100644
--- 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