diff options
Diffstat (limited to 'include/features.h')
| -rw-r--r-- | include/features.h | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/include/features.h b/include/features.h index 52aeaabb4c..e8c97f800e 100644 --- a/include/features.h +++ b/include/features.h @@ -30,6 +30,9 @@ _XOPEN_SOURCE Includes POSIX and XPG things. Set to 500 if Single Unix conformance is wanted. _XOPEN_SOURCE_EXTENDED XPG things and X/Open Unix extensions. + _LARGEFILE_SOURCE Some more functions for correct standard I/O. + _LARGEFILE64_SOURCE Additional functionality from LFS for large files. + _FILE_OFFSET_BITS=N Select default filesystem interface. _BSD_SOURCE ISO C, POSIX, and 4.3BSD things. _SVID_SOURCE ISO C, POSIX, and SVID things. _GNU_SOURCE All of the above, plus GNU extensions. @@ -52,6 +55,8 @@ __USE_XOPEN Define XPG things. __USE_XOPEN_EXTENDED Define X/Open Unix things. __USE_UNIX98 Define Single Unix V2 things. + __USE_LARGEFILE64 Define LFS things with separate names. + __USE_FILE_OFFSET64 Define 64bit interface as default. __USE_BSD Define 4.3BSD things. __USE_SVID Define SVID things. __USE_MISC Define things common to BSD and System V Unix. @@ -78,6 +83,10 @@ #undef __USE_POSIX199309 #undef __USE_XOPEN #undef __USE_XOPEN_EXTENDED +#undef __USE_UNIX98 +#undef __USE_LARGEFILE +#undef __USE_LARGEFILE64 +#undef __USE_FILE_OFFSET64 #undef __USE_BSD #undef __USE_SVID #undef __USE_MISC @@ -100,6 +109,7 @@ #if defined _BSD_SOURCE && \ !(defined _POSIX_SOURCE || defined _POSIX_C_SOURCE || \ defined _XOPEN_SOURCE || defined _XOPEN_SOURCE_EXTENDED || \ + defined _LARGEFILE64_SOURCE || defined _FILE_OFFSET_BITS || \ defined _GNU_SOURCE || defined _SVID_SOURCE) # define __FAVOR_BSD 1 #endif @@ -116,6 +126,8 @@ # define _XOPEN_SOURCE 500 # undef _XOPEN_SOURCE_EXTENDED # define _XOPEN_SOURCE_EXTENDED 1 +# undef _LARGEFILE64_SOURCE +# define _LARGEFILE64_SOURCE 1 # undef _BSD_SOURCE # define _BSD_SOURCE 1 # undef _SVID_SOURCE @@ -127,6 +139,7 @@ #if (!defined __STRICT_ANSI__ && !defined _ISOC9X_SOURCE && \ !defined _POSIX_SOURCE && !defined _POSIX_C_SOURCE && \ !defined _XOPEN_SOURCE && !defined _XOPEN_SOURCE_EXTENDED && \ + !defined _LARGEFILE64_SOURCE && !defined _FILE_OFFSET_BITS && \ !defined _BSD_SOURCE && !defined _SVID_SOURCE) # define _BSD_SOURCE 1 # define _SVID_SOURCE 1 @@ -143,7 +156,7 @@ #if (!defined __STRICT_ANSI__ && !defined _POSIX_SOURCE && \ !defined _POSIX_C_SOURCE) # define _POSIX_SOURCE 1 -# if defined _XOPEN_SOURCE && _XOPEN_SOURCE != 500 +# if defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) != 500 # define _POSIX_C_SOURCE 2 # else # define _POSIX_C_SOURCE 199309L @@ -164,9 +177,11 @@ #ifdef _XOPEN_SOURCE # define __USE_XOPEN 1 -# if _XOPEN_SOURCE == 500 +# if (_XOPEN_SOURCE - 0) == 500 # define __USE_XOPEN_EXTENDED 1 # define __USE_UNIX98 1 +# undef _LARGEFILE_SOURCE +# define _LARGEFILE_SOURCE 1 # else # ifdef _XOPEN_SOURCE_EXTENDED # define __USE_XOPEN_EXTENDED 1 @@ -174,6 +189,18 @@ # endif #endif +#ifdef _LARGEFILE_SOURCE +# define __USE_LARGEFILE 1 +#endif + +#ifdef _LARGEFILE64_SOURCE +# define __USE_LARGEFILE64 1 +#endif + +#if defined _FILE_OFFSET_BITS && _FILE_OFFSET_BITS == 64 +# define __USE_FILE_OFFSET64 1 +#endif + #if defined _BSD_SOURCE || defined _SVID_SOURCE # define __USE_MISC 1 #endif |