diff options
Diffstat (limited to 'pypy/module/cpyext/include/pyport.h')
| -rw-r--r-- | pypy/module/cpyext/include/pyport.h | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/pypy/module/cpyext/include/pyport.h b/pypy/module/cpyext/include/pyport.h index ac4b1ffd77..6e632e62d6 100644 --- a/pypy/module/cpyext/include/pyport.h +++ b/pypy/module/cpyext/include/pyport.h @@ -1,9 +1,41 @@ #ifndef Py_PYPORT_H #define Py_PYPORT_H -#ifdef HAVE_STDINT_H -#include <stdint.h> -#endif +#include "pyconfig.h" /* include for defines */ + +#include <inttypes.h> + +/************************************************************************** +Symbols and macros to supply platform-independent interfaces to basic +C language & library operations whose spellings vary across platforms. + +Please try to make documentation here as clear as possible: by definition, +the stuff here is trying to illuminate C's darkest corners. + +Config #defines referenced here: + +SIGNED_RIGHT_SHIFT_ZERO_FILLS +Meaning: To be defined iff i>>j does not extend the sign bit when i is a + signed integral type and i < 0. +Used in: Py_ARITHMETIC_RIGHT_SHIFT + +Py_DEBUG +Meaning: Extra checks compiled in for debug mode. +Used in: Py_SAFE_DOWNCAST + +**************************************************************************/ + +/* typedefs for some C9X-defined synonyms for integral types. + * + * The names in Python are exactly the same as the C9X names, except with a + * Py_ prefix. Until C9X is universally implemented, this is the only way + * to ensure that Python gets reliable names that don't conflict with names + * in non-Python code that are playing their own tricks to define the C9X + * names. + * + * NOTE: don't go nuts here! Python has no use for *most* of the C9X + * integral synonyms. Only define the ones we actually need. + */ /* long long is required. Ensure HAVE_LONG_LONG is defined for compatibility. */ #ifndef HAVE_LONG_LONG |