From: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu, 21 Apr 2016 21:01:40 +0000 (+0000)
Subject: tests/lseek.c: cleanup
X-Git-Tag: v4.12~341
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1b511d0feaa710762ac42ed29a2bc622e4dd8ace;p=strace

tests/lseek.c: cleanup

* tests/lseek.c (main): Use errno2name, stop using assert.
---

diff --git a/tests/lseek.c b/tests/lseek.c
index 227c4e30..72efc6e2 100644
--- a/tests/lseek.c
+++ b/tests/lseek.c
@@ -41,20 +41,19 @@ main(void)
 {
 	const kernel_ulong_t offset = (kernel_ulong_t) 0xfacefeeddeadbeefULL;
 
-	if (sizeof(offset) > sizeof(long))
-		assert(lseek(-1, offset, SEEK_SET) == -1);
-	else
-		assert(syscall(__NR_lseek, -1L, offset, SEEK_SET) == -1);
-
-	if (EBADF != errno)
-		perror_msg_and_skip("lseek");
-
-	if (sizeof(offset) > sizeof(long))
-		printf("lseek(-1, %lld, SEEK_SET) = -1 EBADF (%m)\n",
-		       (long long) offset);
-	else
-		printf("lseek(-1, %ld, SEEK_SET) = -1 EBADF (%m)\n",
-		       (long) offset);
+	if (sizeof(offset) > sizeof(long)) {
+		/*
+		 * Cannot use syscall because it takes long arguments.
+		 * Let's call lseek with hope it will invoke lseek syscall.
+		 */
+		long long rc = lseek(-1, offset, SEEK_SET);
+		printf("lseek(-1, %lld, SEEK_SET) = %lld %s (%m)\n",
+		       (long long) offset, rc, errno2name());
+	} else {
+		long rc = syscall(__NR_lseek, -1L, offset, SEEK_SET);
+		printf("lseek(-1, %ld, SEEK_SET) = %ld %s (%m)\n",
+		       (long) offset, rc, errno2name());
+	}
 
 	puts("+++ exited with 0 +++");
 	return 0;