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 37 # ifdef _SCO_DS 38 # ifndef __SCO__ 39 # define __SCO__ 40 # endif 41 # endif 42 43 # ifdef __i386__ 44 # ifdef SYSV 45 # if !defined(__SCO__) && \ 46 !defined(__UNIXWARE__) && !defined(__sun) 47 # if !defined(_POSIX_SOURCE) 48 # define X_NOT_POSIX 49 # endif 50 # endif 51 # endif 52 # endif 53 54 # ifdef __sun 55 /* Imake configs define SVR4 on Solaris, but cc & gcc only define __SVR4 56 * This check allows non-Imake configured programs to build correctly. 57 */ 58 # if defined(__SVR4) && !defined(SVR4) 59 # define SVR4 1 60 # endif 61 # ifdef SVR4 62 /* define this to whatever it needs to be */ 63 # define X_POSIX_C_SOURCE 199300L 64 # endif 65 # endif 66 67 # ifdef WIN32 68 # ifndef _POSIX_ 69 # define X_NOT_POSIX 70 # endif 71 # endif 72 73 74 # ifdef __APPLE__ 75 # define NULL_NOT_ZERO 76 77 /* Defining any of these will sanitize the namespace to JUST want is defined by 78 * that particular standard. If that happens, we don't get some expected 79 * prototypes, typedefs, etc (like fd_mask). We can define _DARWIN_C_SOURCE to 80 * loosen our belts a tad. 81 */ 82 # if defined(_XOPEN_SOURCE) || defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) 83 # ifndef _DARWIN_C_SOURCE 84 # define _DARWIN_C_SOURCE 85 # endif 86 # endif 87 88 # endif 89 90 # ifdef __GNU__ 91 # ifndef PATH_MAX 92 # define PATH_MAX 4096 93 # endif 94 # ifndef MAXPATHLEN 95 # define MAXPATHLEN 4096 96 # endif 97 # endif 98 99 # if defined(__SCO__) || defined(__UNIXWARE__) 100 # ifndef PATH_MAX 101 # define PATH_MAX 1024 102 # endif 103 # ifndef MAXPATHLEN 104 # define MAXPATHLEN 1024 105 # endif 106 # endif 107 108 # if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) \ 109 || defined(__APPLE__) || defined(__DragonFly__) 110 # ifndef CSRG_BASED 111 # define CSRG_BASED 112 # endif 113 # endif 114 115 #endif /* _XOSDEFS_H_ */ 116 117
