1 /* 2 * Copyright (c) 2000, 2001, Corinna Vinschen <vinschen@cygnus.com> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * 24 * Created: Sat Sep 02 12:17:00 2000 cv 25 * 26 * This file contains functions for forcing opened file descriptors to 27 * binary mode on Windows systems. 28 */ 29 30 #include "includes.h" 31 32 #ifdef HAVE_CYGWIN 33 34 #if defined(open) && open == binary_open 35 # undef open 36 #endif 37 #if defined(pipe) && open == binary_pipe 38 # undef pipe 39 #endif 40 41 #include <sys/types.h> 42 43 #include <fcntl.h> 44 #include <stdlib.h> 45 #include <unistd.h> 46 #include <windows.h> 47 48 #include "xmalloc.h" 49 50 int 51 binary_open(const char *filename, int flags, ...) 52 { 53 va_list ap; 54 mode_t mode; 55 56 va_start(ap, flags); 57 mode = va_arg(ap, mode_t); 58 va_end(ap); 59 return (open(filename, flags | O_BINARY, mode)); 60 } 61 62 int 63 binary_pipe(int fd[2]) 64 { 65 int ret = pipe(fd); 66 67 if (!ret) { 68 setmode(fd[0], O_BINARY); 69 setmode(fd[1], O_BINARY); 70 } 71 return (ret); 72 } 73 74 int 75 check_ntsec(const char *filename) 76 { 77 return (pathconf(filename, _PC_POSIX_PERMISSIONS)); 78 } 79 80 #define NL(x) x, (sizeof (x) - 1) 81 #define WENV_SIZ (sizeof (wenv_arr) / sizeof (wenv_arr[0])) 82 83 static struct wenv { 84 const char *name; 85 size_t namelen; 86 } wenv_arr[] = { 87 { NL("ALLUSERSPROFILE=") }, 88 { NL("COMMONPROGRAMFILES=") }, 89 { NL("COMPUTERNAME=") }, 90 { NL("COMSPEC=") }, 91 { NL("CYGWIN=") }, 92 { NL("NUMBER_OF_PROCESSORS=") }, 93 { NL("OS=") }, 94 { NL("PATH=") }, 95 { NL("PATHEXT=") }, 96 { NL("PROCESSOR_ARCHITECTURE=") }, 97 { NL("PROCESSOR_IDENTIFIER=") }, 98 { NL("PROCESSOR_LEVEL=") }, 99 { NL("PROCESSOR_REVISION=") }, 100 { NL("PROGRAMFILES=") }, 101 { NL("SYSTEMDRIVE=") }, 102 { NL("SYSTEMROOT=") }, 103 { NL("TMP=") }, 104 { NL("TEMP=") }, 105 { NL("WINDIR=") } 106 }; 107 108 char ** 109 fetch_windows_environment(void) 110 { 111 char **e, **p; 112 unsigned int i, idx = 0; 113 114 p = xcalloc(WENV_SIZ + 1, sizeof(char *)); 115 for (e = environ; *e != NULL; ++e) { 116 for (i = 0; i < WENV_SIZ; ++i) { 117 if (!strncmp(*e, wenv_arr[i].name, wenv_arr[i].namelen)) 118 p[idx++] = *e; 119 } 120 } 121 p[idx] = NULL; 122 return p; 123 } 124 125 void 126 free_windows_environment(char **p) 127 { 128 xfree(p); 129 } 130 131 #endif /* HAVE_CYGWIN */ 132