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compat_defs.h revision 1.1 
      1 /*	$NetBSD: compat_defs.h,v 1.1 2002/01/22 20:42:59 thorpej Exp $	*/
      2 
      3 #ifndef	__NETBSD_COMPAT_DEFS_H__
      4 #define	__NETBSD_COMPAT_DEFS_H__
      5 
      6 /* System headers needed for (re)definitions below. */
      7 
      8 #include <sys/types.h>
      9 #include <errno.h>
     10 #include <fcntl.h>
     11 #include <limits.h>
     12 #include <paths.h>
     13 #include <stdio.h>
     14 #include <string.h>
     15 
     16 #if HAVE_INTTYPES_H
     17 #include <inttypes.h>
     18 #endif
     19 #if HAVE_STDDEF_H
     20 #include <stddef.h>
     21 #endif
     22 #if !HAVE_VIS_H
     23 #include "compat_vis.h"
     24 #endif
     25 
     26 #if !defined(__attribute__) && !defined(__GNUC__)
     27 #define __attribute__(x)
     28 #endif
     29 
     30 /* Type substitutes. */
     31 
     32 #if !HAVE_ID_T
     33 typedef unsigned long id_t;
     34 #endif
     35 
     36 /* Prototypes for replacement functions. */
     37 
     38 #if !HAVE_BASENAME
     39 char *basename(char *);
     40 #endif
     41 
     42 #if !HAVE_DIRNAME
     43 char *dirname(char *);
     44 #endif
     45 
     46 #if !HAVE_ERR_H
     47 void err(int, const char *, ...) __attribute__((noreturn));
     48 void errx(int, const char *, ...) __attribute__((noreturn));
     49 void warn(const char *, ...);
     50 void warnx(const char *, ...);
     51 #endif
     52 
     53 #if !HAVE_FGETLN
     54 char *fgetln(FILE *, size_t *);
     55 #endif
     56 
     57 #if !HAVE_FLOCK
     58 # define LOCK_SH		0x01
     59 # define LOCK_EX		0x02
     60 # define LOCK_NB		0x04
     61 # define LOCK_UN		0x08
     62 int flock(int, int);
     63 #endif
     64 
     65 #if !HAVE_FPARSELN
     66 # define FPARSELN_UNESCESC	0x01
     67 # define FPARSELN_UNESCCONT	0x02
     68 # define FPARSELN_UNESCCOMM	0x04
     69 # define FPARSELN_UNESCREST	0x08
     70 # define FPARSELN_UNESCALL	0x0f
     71 char *fparseln(FILE *, size_t *, size_t *, const char [3], int);
     72 #endif
     73 
     74 #if !HAVE_SETPROGNAME
     75 const char *getprogname(void);
     76 void setprogname(const char *);
     77 #endif
     78 
     79 #if !HAVE_STRLCAT
     80 size_t strlcat(char *, const char *, size_t);
     81 #endif
     82 
     83 #if !HAVE_STRLCPY
     84 size_t strlcpy(char *, const char *, size_t);
     85 #endif
     86 
     87 #if !HAVE_PREAD
     88 ssize_t pread(int, void *, size_t, off_t);
     89 #endif
     90 
     91 #if !HAVE_PWRITE
     92 ssize_t pwrite(int, const void *, size_t, off_t);
     93 #endif
     94 
     95 /*
     96  * getmode() and setmode() are always defined, as these function names
     97  * exist but with very different meanings on other OS's.  The compat
     98  * versions here simply accept an octal mode number; the "u+x,g-w" type
     99  * of syntax is not accepted.
    100  */
    101 
    102 #define getmode __nbcompat_getmode
    103 #define setmode __nbcompat_setmode
    104 
    105 mode_t getmode(const void *, mode_t);
    106 void *setmode(const char *);
    107 
    108 /* Eliminate RCS Id strings, assertions embedded in binaries. */
    109 
    110 #undef _DIAGASSERT
    111 #define _DIAGASSERT(x) /**/
    112 #define lint
    113 
    114 /* Assume an ANSI compiler for the host. */
    115 
    116 #undef __P
    117 #define __P(x) x
    118 
    119 #undef BIG_ENDIAN
    120 #undef LITTLE_ENDIAN
    121 #define BIG_ENDIAN 4321
    122 #define LITTLE_ENDIAN 1234
    123 
    124 #undef BYTE_ORDER
    125 #if WORDS_BIGENDIAN
    126 #define BYTE_ORDER BIG_ENDIAN
    127 #else
    128 #define BYTE_ORDER LITTLE_ENDIAN
    129 #endif
    130 
    131 #undef MIN
    132 #undef MAX
    133 #define MIN(a,b) ((a) < (b) ? (a) : (b))
    134 #define MAX(a,b) ((a) > (b) ? (a) : (b))
    135 
    136 /* Some definitions not available on all systems. */
    137 
    138 #ifndef _PATH_DEFPATH
    139 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
    140 #endif
    141 #ifndef _PATH_DEV
    142 #define _PATH_DEV "/dev/"
    143 #endif
    144 #ifndef _PATH_DEVNULL
    145 #define _PATH_DEVNULL _PATH_DEV "null"
    146 #endif
    147 #ifndef _PATH_TMP
    148 #define _PATH_TMP "/tmp/"
    149 #endif
    150 
    151 #ifndef EFTYPE
    152 #define EFTYPE EIO
    153 #endif
    154 
    155 #ifndef MAXBSIZE
    156 #define MAXBSIZE (64 * 1024)
    157 #endif
    158 
    159 #ifndef O_EXLOCK
    160 #define O_EXLOCK 0
    161 #endif
    162 #ifndef O_SHLOCK
    163 #define O_SHLOCK 0
    164 #endif
    165 
    166 #endif	/* !__NETBSD_COMPAT_DEFS_H__ */
    167