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Diffstat (limited to 'gnulib/doc/posix-headers/stdbool.texi')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/doc/posix-headers/stdbool.texi | 36 |
2 files changed, 36 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/doc/posix-headers/stdbool.texi b/gnulib/doc/posix-headers/stdbool.texi new file mode 100644 index 0000000..de27763 --- /dev/null +++ b/gnulib/doc/posix-headers/stdbool.texi @@ -0,0 +1,36 @@ +@node stdbool.h +@section @file{stdbool.h} + +POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/basedefs/stdbool.h.html} + +Gnulib module: stdbool + +Portability problems fixed by Gnulib: +@itemize +@item +This header file is missing on some platforms: +AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1. +@item +Some compilers have bugs relating to @samp{bool}. +@item +This header file defines @code{true} incorrectly on some platforms: +OpenBSD 4.7 with gcc 2.95. +@end itemize + +Portability problems not fixed by Gnulib: +@itemize +@item +@code{<stdbool.h>} must be #included before @samp{_Bool} can be used. +@item +You cannot assume that @code{_Bool} is a typedef; it might be a macro. +@item +Bit-fields of type @samp{bool} are not supported. Portable code +should use @samp{unsigned int foo : 1;} rather than @samp{bool foo : 1;}. +@item +Casts and automatic conversions to @samp{bool} don't test against the +zero value or the null pointer, as they should. Such casts should only +be used if the casted value is known to be equal to 0 or 1. +@item +You cannot assume that casting a floating point literal to @samp{bool} will +result in a constant expression. +@end itemize |