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authorUlrich Drepper <drepper@redhat.com>2000-12-27 04:41:52 +0000
committerUlrich Drepper <drepper@redhat.com>2000-12-27 04:41:52 +0000
commitfc1fb585c60817b982956e815ebc4726ef6381f6 (patch)
tree60183f60a986dc77bde5c4383d45e0113d622e37 /string
parent945c975dffbff130148aace42708fc4b45493a0e (diff)
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Update.
* string/Makefile (tests): Add tst-bswap. * string/tst-bswap.c: New file.
Diffstat (limited to 'string')
-rw-r--r--string/Makefile2
-rw-r--r--string/tst-bswap.c74
2 files changed, 75 insertions, 1 deletions
diff --git a/string/Makefile b/string/Makefile
index 970147c..c1e13c2 100644
--- a/string/Makefile
+++ b/string/Makefile
@@ -47,7 +47,7 @@ o-objects.ob := memcpy.o memset.o memchr.o
tests := tester inl-tester noinl-tester testcopy test-ffs \
tst-strlen stratcliff tst-svc tst-inlcall \
- bug-strncat1 bug-strspn1 bug-strpbrk1
+ bug-strncat1 bug-strspn1 bug-strpbrk1 tst-bswap
distribute := memcopy.h pagecopy.h tst-svc.expect
diff --git a/string/tst-bswap.c b/string/tst-bswap.c
new file mode 100644
index 0000000..7037c1e
--- /dev/null
+++ b/string/tst-bswap.c
@@ -0,0 +1,74 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <byteswap.h>
+#include <stdio.h>
+
+extern unsigned long long int wash (unsigned long long int a);
+
+int
+main (void)
+{
+ int result = 0;
+
+ /* Test the functions with constant arguments. */
+ if (bswap_16 (0x1234) != 0x3412)
+ {
+ puts ("bswap_16 (constant) flunked");
+ result = 1;
+ }
+ if (bswap_32 (0x12345678) != 0x78563412)
+ {
+ puts ("bswap_32 (constant) flunked");
+ result = 1;
+ }
+ if (bswap_64 (0x1234567890abcdefULL) != 0xefcdab9078563412ULL)
+ {
+ puts ("bswap_64 (constant) flunked");
+ result = 1;
+ }
+
+ /* Test the functions with non-constant arguments. */
+ if (bswap_16 (wash (0x1234)) != 0x3412)
+ {
+ puts ("bswap_16 (non-constant) flunked");
+ result = 1;
+ }
+ if (bswap_32 (wash (0x12345678)) != 0x78563412)
+ {
+ puts ("bswap_32 (non-constant) flunked");
+ result = 1;
+ }
+ if (bswap_64 (wash (0x1234567890abcdefULL)) != 0xefcdab9078563412ULL)
+ {
+ puts ("bswap_64 (non-constant) flunked");
+ result = 1;
+ }
+
+ return result;
+}
+
+
+unsigned long long int
+wash (unsigned long long int a)
+{
+ /* Do nothing. This function simply exists to avoid that the compiler
+ regards the argument to the bswap_*() functions as constant. */
+ return a + 0;
+}