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| author | Amaury Forgeot d'Arc <amauryfa@gmail.com> | 2008-06-18 00:47:36 (GMT) |
|---|---|---|
| committer | Amaury Forgeot d'Arc <amauryfa@gmail.com> | 2008-06-18 00:47:36 (GMT) |
| commit | 9c74b14fe9b6dddc9d41dd37f431f174350004d4 (patch) | |
| tree | 3d30d794259f55f5021f5e8036447523d0e1eea3 /Include/pyport.h | |
| parent | 036aa5433e963f6576c5dfa02ace4ca0e2c642a2 (diff) | |
| download | cpython-9c74b14fe9b6dddc9d41dd37f431f174350004d4.zip cpython-9c74b14fe9b6dddc9d41dd37f431f174350004d4.tar.gz cpython-9c74b14fe9b6dddc9d41dd37f431f174350004d4.tar.bz2 | |
Merged revisions 64114 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r64114 | gregory.p.smith | 2008-06-11 09:41:16 +0200 (mer., 11 juin 2008) | 6 lines
Merge in release25-maint r60793:
Added checks for integer overflows, contributed by Google. Some are
only available if asserts are left in the code, in cases where they
can't be triggered from Python code.
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Diffstat (limited to 'Include/pyport.h')
| -rw-r--r-- | Include/pyport.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Include/pyport.h b/Include/pyport.h index d6fcf56..3991bc5 100644 --- a/Include/pyport.h +++ b/Include/pyport.h @@ -106,6 +106,17 @@ typedef Py_intptr_t Py_ssize_t; # error "Python needs a typedef for Py_ssize_t in pyport.h." #endif +/* Largest possible value of size_t. + SIZE_MAX is part of C99, so it might be defined on some + platforms. If it is not defined, (size_t)-1 is a portable + definition for C89, due to the way signed->unsigned + conversion is defined. */ +#ifdef SIZE_MAX +#define PY_SIZE_MAX SIZE_MAX +#else +#define PY_SIZE_MAX ((size_t)-1) +#endif + /* Largest positive value of type Py_ssize_t. */ #define PY_SSIZE_T_MAX ((Py_ssize_t)(((size_t)-1)>>1)) /* Smallest negative value of type Py_ssize_t. */ |