diff options
| -rw-r--r-- | winsup/cygwin/include/limits.h | 10 | ||||
| -rw-r--r-- | winsup/cygwin/release/2.5.3 | 3 |
2 files changed, 12 insertions, 1 deletions
diff --git a/winsup/cygwin/include/limits.h b/winsup/cygwin/include/limits.h index 2083e3e64..cf3c8d04d 100644 --- a/winsup/cygwin/include/limits.h +++ b/winsup/cygwin/include/limits.h @@ -128,9 +128,17 @@ details. */ #undef ULLONG_MAX #define ULLONG_MAX (LLONG_MAX * 2ULL + 1) -/* Maximum size of ssize_t */ +/* Maximum size of ssize_t. Sadly, gcc doesn't give us __SSIZE_MAX__ + the way it does for __SIZE_MAX__. On the other hand, we happen to + know that for Cygwin, ssize_t is 'int' on 32-bit and 'long' on + 64-bit, and this particular header is specific to Cygwin, so we + don't have to jump through hoops. */ #undef SSIZE_MAX +#if __WORDSIZE == 64 #define SSIZE_MAX (__LONG_MAX__) +#else +#define SSIZE_MAX (__INT_MAX__) +#endif /* Runtime Invariant Values */ diff --git a/winsup/cygwin/release/2.5.3 b/winsup/cygwin/release/2.5.3 index a27106bff..0a273964a 100644 --- a/winsup/cygwin/release/2.5.3 +++ b/winsup/cygwin/release/2.5.3 @@ -10,6 +10,9 @@ What changed: - Raise number of supported partitions per disk (for raw access) to 63. Addresses: https://cygwin.com/ml/cygwin/2016-06/msg00136.html +- Fix definition of SSIZE_MAX on 32-bit systems. + Addresses: https://cygwin.com/ml/cygwin/2016-07/msg00179.html + Bug Fixes --------- |