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Prevent double inclusion.

This commit is contained in:
Andreas Jaeger 2002-01-08 10:19:35 +00:00
parent 8e57fc7083
commit 5c26fecb6f
7 changed files with 42 additions and 9 deletions
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7
bits/byteswap.h
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@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values. /* Macros to swap the order of bytes in integer values.
Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc. Copyright (C) 1997, 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -21,6 +21,9 @@
# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead." # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
#endif #endif
#ifndef _BITS_BYTESWAP_H
#define _BITS_BYTESWAP_H 1
/* Swap bytes in 16 bit value. */ /* Swap bytes in 16 bit value. */
#ifdef __GNUC__ #ifdef __GNUC__
# define __bswap_16(x) \ # define __bswap_16(x) \
@ -77,3 +80,5 @@ __bswap_32 (unsigned int __bsx)
} \ } \
__r.__ll; })) __r.__ll; }))
#endif #endif
#endif /* _BITS_BYTESWAP_H */

7
sysdeps/generic/bits/byteswap.h
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@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values. /* Macros to swap the order of bytes in integer values.
Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc. Copyright (C) 1997, 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -21,6 +21,9 @@
# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead." # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
#endif #endif
#ifndef _BITS_BYTESWAP_H
#define _BITS_BYTESWAP_H 1
/* Swap bytes in 16 bit value. */ /* Swap bytes in 16 bit value. */
#ifdef __GNUC__ #ifdef __GNUC__
# define __bswap_16(x) \ # define __bswap_16(x) \
@ -77,3 +80,5 @@ __bswap_32 (unsigned int __bsx)
} \ } \
__r.__ll; })) __r.__ll; }))
#endif #endif
#endif /* _BITS_BYTESWAP_H */

7
sysdeps/i386/bits/byteswap.h
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@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values. /* Macros to swap the order of bytes in integer values.
Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. Copyright (C) 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -21,6 +21,9 @@
# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead." # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
#endif #endif
#ifndef _BITS_BYTESWAP_H
#define _BITS_BYTESWAP_H 1
/* Swap bytes in 16 bit value. */ /* Swap bytes in 16 bit value. */
#define __bswap_constant_16(x) \ #define __bswap_constant_16(x) \
((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
@ -108,3 +111,5 @@
} \ } \
__r.__ll; })) __r.__ll; }))
#endif #endif
#endif /* _BITS_BYTESWAP_H */

7
sysdeps/ia64/bits/byteswap.h
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@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values. /* Macros to swap the order of bytes in integer values.
Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. Copyright (C) 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -21,6 +21,9 @@
# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead." # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
#endif #endif
#ifndef _BITS_BYTESWAP_H
#define _BITS_BYTESWAP_H 1
/* Swap bytes in 16 bit value. */ /* Swap bytes in 16 bit value. */
#define __bswap_constant_16(x) \ #define __bswap_constant_16(x) \
((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
@ -91,3 +94,5 @@
#else #else
# define __bswap_64(x) __bswap_constant_64 (x) # define __bswap_64(x) __bswap_constant_64 (x)
#endif #endif
#endif /* _BITS_BYTESWAP_H */

7
sysdeps/m68k/bits/byteswap.h
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@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values. m68k version. /* Macros to swap the order of bytes in integer values. m68k version.
Copyright (C) 1997 Free Software Foundation, Inc. Copyright (C) 1997, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -21,6 +21,9 @@
# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead." # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
#endif #endif
#ifndef _BITS_BYTESWAP_H
#define _BITS_BYTESWAP_H 1
/* Swap bytes in 16 bit value. We don't provide an assembler version /* Swap bytes in 16 bit value. We don't provide an assembler version
because GCC is smart enough to generate optimal assembler output, and because GCC is smart enough to generate optimal assembler output, and
this allows for better cse. */ this allows for better cse. */
@ -60,3 +63,5 @@
__bswap_64_r.__l[1] = __bswap_32 (__bswap_64_v.__l[0]); \ __bswap_64_r.__l[1] = __bswap_32 (__bswap_64_v.__l[0]); \
__bswap_64_r.__ll; }) __bswap_64_r.__ll; })
#endif #endif
#endif /* _BITS_BYTESWAP_H */

7
sysdeps/s390/s390-32/bits/byteswap.h
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@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values. s390 version. /* Macros to swap the order of bytes in integer values. s390 version.
Copyright (C) 2000, 2001 Free Software Foundation, Inc. Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library. This file is part of the GNU C Library.
@ -22,6 +22,9 @@
# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead." # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
#endif #endif
#ifndef _BITS_BYTESWAP_H
#define _BITS_BYTESWAP_H 1
#define __bswap_constant_16(x) \ #define __bswap_constant_16(x) \
((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
@ -84,3 +87,5 @@
__r.__l[1] = __bswap_32 (__w.__l[0]); \ __r.__l[1] = __bswap_32 (__w.__l[0]); \
__r.__ll; }) __r.__ll; })
#endif #endif
#endif /* _BITS_BYTESWAP_H */

7
sysdeps/s390/s390-64/bits/byteswap.h
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@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values. 64 bit S/390 version. /* 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). Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library. This file is part of the GNU C Library.
@ -22,6 +22,9 @@
# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead." # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
#endif #endif
#ifndef _BITS_BYTESWAP_H
#define _BITS_BYTESWAP_H 1
#define __bswap_constant_16(x) \ #define __bswap_constant_16(x) \
((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
@ -90,4 +93,4 @@
# define __bswap_64(x) __bswap_constant_64 (x) # define __bswap_64(x) __bswap_constant_64 (x)
#endif #endif
#endif /* _BITS_BYTESWAP_H */