qiurui
/
glibc
mirror of git://sourceware.org/git/glibc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add C2x BOOL_MAX and BOOL_WIDTH to limits.h. 

C2x adds BOOL_MAX and BOOL_WIDTH macros to <limits.h>.  This patch
adds them to glibc's <limits.h> for the case when they aren't defined
by GCC's <limits.h>.

Tested for x86_64.
This commit is contained in:
Joseph Myers 2020-08-19 22:46:41 +00:00
parent c08df688f2
commit e5baabf57b
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
include/limits.h
View File

@ -178,6 +178,18 @@
# endif # endif
#endif /* Use IEC_60559_BFP_EXT. */ #endif /* Use IEC_60559_BFP_EXT. */
/* The macros for _Bool are not defined by GCC's <limits.h> before GCC
11, or if _GNU_SOURCE is defined rather than enabling C2x support
with -std. */
#if __GLIBC_USE (ISOC2X)
# ifndef BOOL_MAX
# define BOOL_MAX 1
# endif
# ifndef BOOL_WIDTH
# define BOOL_WIDTH 1
# endif
#endif
#ifdef __USE_POSIX #ifdef __USE_POSIX
/* POSIX adds things to <limits.h>. */ /* POSIX adds things to <limits.h>. */
# include <bits/posix1_lim.h> # include <bits/posix1_lim.h>