1 /* Copyright (C) 2001-2019 Artifex Software, Inc. 2 All Rights Reserved. 3 4 This software is provided AS-IS with no warranty, either express or 5 implied. 6 7 This software is distributed under license and may not be copied, 8 modified or distributed except as expressly authorized under the terms 9 of the license contained in the file LICENSE in this distribution. 10 11 Refer to licensing information at http://www.artifex.com or contact 12 Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato, 13 CA 94945, U.S.A., +1(415)492-9861, for further information. 14 */ 15 16 17 /* Generic substitute for Unix sys/stat.h */ 18 19 #ifndef stat__INCLUDED 20 # define stat__INCLUDED 21 22 /* We must include std.h before any file that includes sys/types.h. */ 23 #include "std.h" 24 25 /* Metrowerks Standard Library doesn't use subdirs */ 26 #ifdef __MWERKS__ 27 #include <stat.h> 28 #else 29 #include <sys/stat.h> 30 #endif 31 32 /* 33 * Many environments, including the MS-DOS compilers, don't define 34 * the st_blocks member of a stat structure. 35 */ 36 #if defined(__SVR3) || defined(__EMX__) || defined(__DVX__) || defined(OSK) || defined(__MSDOS__) || defined(__QNX__) || defined(VMS) || defined(__WIN32__) || defined(__IBMC__) || defined(__BEOS__) || defined(Plan9) || defined(__WATCOMC__) 37 # define stat_blocks(psbuf) (((psbuf)->st_size + 1023) >> 10) 38 #else 39 # define stat_blocks(psbuf) ((psbuf)->st_blocks) 40 #endif 41 42 /* 43 * Microsoft C uses _stat instead of stat, 44 * for both the function name and the structure name. 45 */ 46 #ifdef _MSC_VER 47 # define stat __stat64 48 # define struct_stat struct __stat64 49 # define fstat _fstat64 50 #else 51 #define struct_stat struct stat 52 #endif 53 54 /* Find permissions for file */ 55 /* Ideally this would defined in gp.h, but the macroisms mean it has to be 56 * defined here. */ 57 extern int gp_stat(const gs_memory_t *mem, const char *path, struct stat *buf); 58 59 /* 60 * Some (System V?) systems test for directories in a slightly different way. 61 */ 62 #if defined(OSK) || !defined(S_ISDIR) 63 # ifdef S_IFDIR 64 # define stat_is_dir(stbuf) ((stbuf).st_mode & S_IFDIR) 65 # else 66 # ifdef _S_IFDIR 67 # define stat_is_dir(stbuf) ((stbuf).st_mode & _S_IFDIR) 68 # endif 69 # endif 70 #else 71 # define stat_is_dir(stbuf) S_ISDIR((stbuf).st_mode) 72 #endif 73 74 /* 75 * Some systems have S_IFMT and S_IFCHR but not S_ISCHR. 76 */ 77 #if !defined(S_ISCHR) || !defined(S_ISREG) 78 # ifndef S_IFMT 79 # ifdef _S_IFMT 80 # define S_IFMT _S_IFMT 81 # define S_IFCHR _S_IFCHR 82 # define S_IFREG _S_IFREG 83 # else 84 # ifdef __S_IFMT 85 # define S_IFMT __S_IFMT 86 # define S_IFCHR __S_IFCHR 87 # define S_IFREG __S_IFREG 88 # endif 89 # endif 90 # endif 91 # define S_ISCHR(mode) (((mode) & S_IFMT) == S_IFCHR) 92 # define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG) 93 #endif 94 95 /* 96 * Microsoft C doesn't define S_IRUSR or S_IWUSR. 97 */ 98 #ifndef S_IRUSR 99 # ifndef S_IREAD 100 # define S_IRUSR _S_IREAD 101 # else 102 # define S_IRUSR S_IREAD 103 # endif 104 #endif 105 #ifndef S_IWUSR 106 # ifndef S_IWRITE 107 # define S_IWUSR _S_IWRITE 108 # else 109 # define S_IWUSR S_IWRITE 110 # endif 111 #endif 112 113 #endif /* stat__INCLUDED */ 114