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| author | Sandra Loosemore <sloosemore@baylibre.com> | 2025-04-06 16:03:48 +0000 |
|---|---|---|
| committer | Sandra Loosemore <sloosemore@baylibre.com> | 2025-04-06 16:08:01 +0000 |
| commit | b39d5fad621c25812fb764e3a8808bab3f2fe774 (patch) | |
| tree | a47dd2fbb5338ca51564457cbb58c6677d7dfd6b | |
| parent | 939fa28d265d4707ad717fcff0c46329b6dc39c2 (diff) | |
| download | gcc-b39d5fad621c25812fb764e3a8808bab3f2fe774.zip gcc-b39d5fad621c25812fb764e3a8808bab3f2fe774.tar.gz gcc-b39d5fad621c25812fb764e3a8808bab3f2fe774.tar.bz2 | |
Doc: Further clarify support for _Bool type
gcc/ChangeLog
* doc/extend.texi (Boolean Type): Further clarify support for
_Bool in C23 and C++.
| -rw-r--r-- | gcc/doc/extend.texi | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 16ad83f..ae3357f 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -13814,7 +13814,13 @@ The C99 standard added @code{_Bool} as a C language keyword naming the boolean type. As an extension, GNU C also recognizes @code{_Bool} in C90 mode as well as with @option{-std=c99} and later. -GNU C++ does not support the @code{_Bool} keyword. +C23 added @code{bool} as the preferred name of the boolean type, but +@code{_Bool} also remains a standard keyword in the language and is +supported as such by GCC with @option{-std=c23}. + +GNU C++ does not support @code{_Bool} as a keyword, but including +@code{<stdbool.h>} defines it as a macro in terms of standard C++'s +@code{bool} type. @node Variadic Macros @subsection Macros with a Variable Number of Arguments. |