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| author | Andreas Jaeger <aj@suse.de> | 2002-01-08 10:19:35 +0000 |
|---|---|---|
| committer | Andreas Jaeger <aj@suse.de> | 2002-01-08 10:19:35 +0000 |
| commit | 5c26fecb6f7dae69c878c2ecdeb81636e571593c (patch) | |
| tree | fa79dbd586fc7370ab07b45d17ca548507f618a3 /sysdeps/s390/s390-64/bits | |
| parent | 8e57fc70831ebb0210aebfd28f0d1720193f308b (diff) | |
| download | glibc-5c26fecb6f7dae69c878c2ecdeb81636e571593c.tar.gz glibc-5c26fecb6f7dae69c878c2ecdeb81636e571593c.tar.xz glibc-5c26fecb6f7dae69c878c2ecdeb81636e571593c.zip | |
Prevent double inclusion.
Diffstat (limited to 'sysdeps/s390/s390-64/bits')
| -rw-r--r-- | sysdeps/s390/s390-64/bits/byteswap.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sysdeps/s390/s390-64/bits/byteswap.h b/sysdeps/s390/s390-64/bits/byteswap.h index 3af2ccecde..b8cfdb2cb5 100644 --- a/sysdeps/s390/s390-64/bits/byteswap.h +++ b/sysdeps/s390/s390-64/bits/byteswap.h @@ -1,5 +1,5 @@ /* Macros to swap the order of bytes in integer values. 64 bit S/390 version. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2002 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -22,6 +22,9 @@ # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead." #endif +#ifndef _BITS_BYTESWAP_H +#define _BITS_BYTESWAP_H 1 + #define __bswap_constant_16(x) \ ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)) @@ -29,7 +32,7 @@ #if defined __GNUC__ && __GNUC__ >= 2 # define __bswap_16(x) \ (__extension__ \ - ({ unsigned short int __v; \ + ({ unsigned short int __v; \ if (__builtin_constant_p (x)) \ __v = __bswap_constant_16 (x); \ else { \ @@ -90,4 +93,4 @@ # define __bswap_64(x) __bswap_constant_64 (x) #endif - +#endif /* _BITS_BYTESWAP_H */ |