diff options
Diffstat (limited to 'newlib/libc')
| -rw-r--r-- | newlib/libc/include/sys/config.h | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/newlib/libc/include/sys/config.h b/newlib/libc/include/sys/config.h index b5a95bfa2..05ba2681c 100644 --- a/newlib/libc/include/sys/config.h +++ b/newlib/libc/include/sys/config.h @@ -129,9 +129,34 @@ typedef short int __int16_t; typedef unsigned short int __uint16_t; -#include <limits.h> - -#if INT_MAX == 32767 +/* This block should be kept in sync with GCC's limits.h. The point + of having these definitions here is to not include limits.h, which + would pollute the user namespace, while still using types of the + the correct widths when deciding how to define __int32_t and + __int64_t. */ +#ifndef __INT_MAX__ +# ifdef INT_MAX +# define __INT_MAX__ INT_MAX +# else +# define __INT_MAX__ 2147483647 +# endif +#endif + +#ifndef __LONG_MAX__ +# ifdef LONG_MAX +# define __LONG_MAX__ LONG_MAX +# else +# if defined (__alpha__) || (defined (__sparc__) && defined(__arch64__)) \ + || defined (__sparcv9) +# define __LONG_MAX__ 9223372036854775807L +# else +# define __LONG_MAX__ 2147483647L +# endif /* __alpha__ || sparc64 */ +# endif +#endif +/* End of block that should be kept in sync with GCC's limits.h. */ + +#if __INT_MAX__ == 32767 typedef long int __int32_t; typedef unsigned long int __uint32_t; #else @@ -139,7 +164,7 @@ typedef int __int32_t; typedef unsigned int __uint32_t; #endif -#if LONG_MAX > 2147483647 || !defined(__GNUC__) +#if __LONG_MAX__ > 2147483647 || !defined(__GNUC__) typedef long int __int64_t; typedef unsigned long int __uint64_t; #else @@ -152,7 +177,7 @@ __extension__ typedef unsigned long long __uint64_t; #endif #undef __RAND_MAX -#if INT_MAX == 32767 +#if __INT_MAX__ == 32767 #define __RAND_MAX 32767 #else #define __RAND_MAX 0x7fffffff |