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| author | Mattias Andrée <maandree@operamail.com> | 2015-08-30 17:46:33 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@operamail.com> | 2015-08-30 17:48:00 +0200 |
| commit | 729d3faf98a741dccac30a8d1bc0344ff744a318 (patch) | |
| tree | e975da07a597322e89185a27549269bc47e10cad /README | |
| parent | add memory allocation functions (diff) | |
| download | slibc-729d3faf98a741dccac30a8d1bc0344ff744a318.tar.gz slibc-729d3faf98a741dccac30a8d1bc0344ff744a318.tar.bz2 slibc-729d3faf98a741dccac30a8d1bc0344ff744a318.tar.xz | |
readme: on extensions
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -8,10 +8,21 @@ to support older versions of C than C99. Macro definitions: - _SLIBC_SOURCE -- Enable slibc extensions. + _SLIBC_SOURCE -- Enable slibc extensions. These extensions + are usually extensions introduced in other + C libraries, but are considered good extensions. _GNU_SOURCE -- Enable glibc extensions (GNU extensions.) _BSD_SOURCE -- Enable BSD extensions. _SLIBC_SUPPRESS_WARNINGS -- Suppress all #warning, this is primarily intended to be used when compiling slibc. _PORTABLE_SOURCE -- Unconditionally disable all extensions. + +slibc provides some slib-specific extensions that +do not require _SLIBC_SOURCE. (They are however +disabled if _PORTABLE_SOURCE is defined.) These +extensions are defined in header files whose +name starts with `slibc-`. Headers starting with +`slibc/` are not extensions, those are internals +that may change at any time. + |