1 #ifndef __LIMITS 2 #define __LIMITS 3 /* 8 bit chars (signed), 16 bit shorts, 32 bit ints/longs */ 4 5 #define CHAR_BIT 8 6 #define MB_LEN_MAX 3 7 8 #define UCHAR_MAX 0xff 9 #define USHRT_MAX 0xffff 10 #define UINT_MAX 0xffffffffU 11 #define ULONG_MAX 0xffffffffUL 12 13 #define CHAR_MAX SCHAR_MAX 14 #define SCHAR_MAX 0x7f 15 #define SHRT_MAX 0x7fff 16 #define INT_MAX 0x7fffffff 17 #define LONG_MAX 0x7fffffffL 18 19 #define CHAR_MIN SCHAR_MIN 20 #define SCHAR_MIN (-SCHAR_MAX-1) 21 #define SHRT_MIN (-SHRT_MAX-1) 22 #define INT_MIN (-INT_MAX-1) 23 #define LONG_MIN (-LONG_MAX-1) 24 25 #ifdef _POSIX_SOURCE 26 27 #define _POSIX_ARG_MAX 4096 28 #define _POSIX_CHILD_MAX 6 29 #define _POSIX_LINK_MAX 8 30 #define _POSIX_MAX_CANON 255 31 #define _POSIX_MAX_INPUT 255 32 #define _POSIX_NAME_MAX 14 33 #define _POSIX_NGROUPS_MAX 0 34 #define _POSIX_OPEN_MAX 16 35 #define _POSIX_PATH_MAX 255 36 #define _POSIX_PIPE_BUF 512 37 #define _POSIX_SSIZE_MAX 32767 38 #define _POSIX_STREAM_MAX 8 39 #define _POSIX_TZNAME_MAX 3 40 41 /*#define ARG_MAX _POSIX_ARG_MAX /* pedagogy */ 42 /*#define CHILD_MAX _POSIX_CHILD_MAX /* pedagogy */ 43 /*#define LINK_MAX _POSIX_LINK_MAX /* pedagogy */ 44 /*#define MAX_CANON _POSIX_MAX_CANON /* pedagogy */ 45 /*#define MAX_INPUT _POSIX_MAX_INPUT /* pedagogy */ 46 /*#define NAME_MAX _POSIX_NAME_MAX /* pedagogy */ 47 #define NGROUPS_MAX _POSIX_NGROUPS_MAX 48 /*#define OPEN_MAX _POSIX_OPEN_MAX /* pedagogy */ 49 /*#define PATH_MAX _POSIX_PATH_MAX /* pedagogy */ 50 /*#define PIPE_BUF _POSIX_PIPE_BUF /* pedagogy */ 51 #define SSIZE_MAX LONG_MAX 52 /*#define STREAM_MAX _POSIX_STREAM_MAX /* pedagogy */ 53 #define TZNAME_MAX _POSIX_TZNAME_MAX 54 55 #ifdef _LIMITS_EXTENSION 56 /* some things are just too big for pedagogy (X!) */ 57 #include <sys/limits.h> 58 #endif 59 #endif /* _POSIX_SOURCE */ 60 61 #endif /* __LIMITS */ 62