1 /* 2 * O/S-dependent (mis)feature macro definitions 3 * 4 Copyright 1991, 1998 The Open Group 5 6 Permission to use, copy, modify, distribute, and sell this software and its 7 documentation for any purpose is hereby granted without fee, provided that 8 the above copyright notice appear in all copies and that both that 9 copyright notice and this permission notice appear in supporting 10 documentation. 11 12 The above copyright notice and this permission notice shall be included in 13 all copies or substantial portions of the Software. 14 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 19 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22 Except as contained in this notice, the name of The Open Group shall not be 23 used in advertising or otherwise to promote the sale, use or other dealings 24 in this Software without prior written authorization from The Open Group. 25 */ 26 27 #ifndef _XOSDEFS_H_ 28 #define _XOSDEFS_H_ 29 30 /* 31 * X_NOT_POSIX means does not have POSIX header files. Lack of this 32 * symbol does NOT mean that the POSIX environment is the default. 33 * You may still have to define _POSIX_SOURCE to get it. 34 */ 35 36 #ifdef _SCO_DS 37 #ifndef __SCO__ 38 #define __SCO__ 39 #endif 40 #endif 41 42 #ifdef __i386__ 43 #ifdef SYSV 44 #if !defined(__SCO__) && \ 45 !defined(__UNIXWARE__) && !defined(__sun) 46 #if !defined(_POSIX_SOURCE) 47 #define X_NOT_POSIX 48 #endif 49 #endif 50 #endif 51 #endif 52 53 #ifdef __sun 54 /* Imake configs define SVR4 on Solaris, but cc & gcc only define __SVR4 55 * This check allows non-Imake configured programs to build correctly. 56 */ 57 #if defined(__SVR4) && !defined(SVR4) 58 #define SVR4 1 59 #endif 60 #ifdef SVR4 61 /* define this to whatever it needs to be */ 62 #define X_POSIX_C_SOURCE 199300L 63 #endif 64 #endif 65 66 #ifdef WIN32 67 #ifndef _POSIX_ 68 #define X_NOT_POSIX 69 #endif 70 #endif 71 72 #ifdef __APPLE__ 73 #define NULL_NOT_ZERO 74 75 /* Defining any of these will sanitize the namespace to JUST want is defined by 76 * that particular standard. If that happens, we don't get some expected 77 * prototypes, typedefs, etc (like fd_mask). We can define _DARWIN_C_SOURCE to 78 * loosen our belts a tad. 79 */ 80 #if defined(_XOPEN_SOURCE) || defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) 81 #ifndef _DARWIN_C_SOURCE 82 #define _DARWIN_C_SOURCE 83 #endif 84 #endif 85 86 #endif 87 88 #ifdef __GNU__ 89 #ifndef PATH_MAX 90 #define PATH_MAX 4096 91 #endif 92 #ifndef MAXPATHLEN 93 #define MAXPATHLEN 4096 94 #endif 95 #endif 96 97 #if defined(__SCO__) || defined(__UNIXWARE__) 98 #ifndef PATH_MAX 99 #define PATH_MAX 1024 100 #endif 101 #ifndef MAXPATHLEN 102 #define MAXPATHLEN 1024 103 #endif 104 #endif 105 106 #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__) 107 #ifndef CSRG_BASED 108 #define CSRG_BASED 109 #endif 110 #endif 111 112 #endif /* _XOSDEFS_H_ */ 113