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Diffstat (limited to 'lib/stdbool.mini.h')
| -rw-r--r-- | lib/stdbool.mini.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/lib/stdbool.mini.h b/lib/stdbool.mini.h deleted file mode 100644 index 7bdec728..00000000 --- a/lib/stdbool.mini.h +++ /dev/null @@ -1,119 +0,0 @@ -/* Copyright (C) 2001-2003, 2006-2022 Free Software Foundation, Inc. - Written by Bruno Haible <haible@clisp.cons.org>, 2001. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program 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 Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with this program; if not, see <https://www.gnu.org/licenses/>. */ - -#ifndef _UNISTRING_STDBOOL_H -#define _UNISTRING_STDBOOL_H - -/* ISO C 99 <stdbool.h> for platforms that lack it. */ - -/* Usage suggestions: - - Programs that use <stdbool.h> should be aware of some limitations - and standards compliance issues. - - Standards compliance: - - - <stdbool.h> must be #included before 'bool', 'false', 'true' - can be used. - - - You cannot assume that sizeof (bool) == 1. - - - Programs should not undefine the macros bool, true, and false, - as C99 lists that as an "obsolescent feature". - - Limitations of this substitute, when used in a C89 environment: - - - <stdbool.h> must be #included before the '_Bool' type can be used. - - - You cannot assume that _Bool is a typedef; it might be a macro. - - - Bit-fields of type 'bool' are not supported. Portable code - should use 'unsigned int foo : 1;' rather than 'bool foo : 1;'. - - - In C99, casts and automatic conversions to '_Bool' or 'bool' are - performed in such a way that every nonzero value gets converted - to 'true', and zero gets converted to 'false'. This doesn't work - with this substitute. With this substitute, only the values 0 and 1 - give the expected result when converted to _Bool' or 'bool'. - - - C99 allows the use of (_Bool)0.0 in constant expressions, but - this substitute cannot always provide this property. - - Also, it is suggested that programs use 'bool' rather than '_Bool'; - this isn't required, but 'bool' is more common. */ - - -/* 7.16. Boolean type and values */ - -#ifdef __cplusplus - /* Assume the compiler has 'bool' and '_Bool'. */ -#else - /* <stdbool.h> is known to exist and work with the following compilers: - - GNU C 3.0 or newer, on any platform, - - Intel C, - - MSVC 12 (Visual Studio 2013) or newer, - - Sun C, on Solaris, if _STDC_C99 is defined, - - AIX xlc, if _ANSI_C_SOURCE is defined, - - HP C, on HP-UX 11.31 or newer. - It is know not to work with: - - Sun C, on Solaris, if __C99FEATURES__ is defined but _STDC_C99 is not, - - MIPSpro C 7.30, on IRIX. */ -# if (__GNUC__ >= 3) \ - || defined __INTEL_COMPILER \ - || (_MSC_VER >= 1800) \ - || (defined __SUNPRO_C && defined _STDC_C99) \ - || (defined _AIX && !defined __GNUC__ && defined _ANSI_C_SOURCE) \ - || defined __HP_cc - /* Assume the compiler has <stdbool.h>. */ -# include <stdbool.h> -# else - /* Need to define _Bool ourselves. As 'signed char' or as an enum type? - Use of a typedef, with SunPRO C, leads to a stupid - "warning: _Bool is a keyword in ISO C99". - Use of an enum type, with IRIX cc, leads to a stupid - "warning(1185): enumerated type mixed with another type". - Even the existence of an enum type, without a typedef, - "Invalid enumerator. (badenum)" with HP-UX cc on Tru64. - The only benefit of the enum, debuggability, is not important - with these compilers. So use 'signed char' and no enum. */ -# define _Bool signed char -# define bool _Bool -# endif -#endif - -/* The other macros must be usable in preprocessor directives. */ -#ifdef __cplusplus -# if !defined _MSC_VER -# define false false -# define true true -# endif -/* In Sun C++ 5.11 (Solaris Studio 12.2) and older, 'true' as a preprocessor - expression evaluates to 0, not 1. Fix this by overriding 'true'. Note that - the replacement has to be of type 'bool'. */ -# if defined __SUNPRO_CC && true != 1 -# undef true -# define true (!false) -# endif -#else -# undef false -# define false 0 -# undef true -# define true 1 -#endif - -#define __bool_true_false_are_defined 1 - -#endif /* _UNISTRING_STDBOOL_H */ |