diff options
Diffstat (limited to 'newlib/libc/sys/rtems/include/limits.h')
| -rw-r--r-- | newlib/libc/sys/rtems/include/limits.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/newlib/libc/sys/rtems/include/limits.h b/newlib/libc/sys/rtems/include/limits.h index 13e168c0a..43ede04e6 100644 --- a/newlib/libc/sys/rtems/include/limits.h +++ b/newlib/libc/sys/rtems/include/limits.h @@ -78,7 +78,13 @@ * Invariant values */ +#ifdef __SIZE_MAX__ +#define SSIZE_MAX (__SIZE_MAX__ >> 1) +#elif defined(__SIZEOF_SIZE_T__) && defined(__CHAR_BIT__) +#define SSIZE_MAX ((1UL << (__SIZEOF_SIZE_T__ * __CHAR_BIT__ - 1)) - 1) +#else /* historic fallback, wrong in most cases */ #define SSIZE_MAX 32767 +#endif /* * Maximum Values |