1 /*
2 * Copyright (c) 2000, 2001, 2011 Corinna Vinschen <vinschen@redhat.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
38 #include <sys/types.h>
39
40 #include <fcntl.h>
41 #include <stdlib.h>
42 #include <unistd.h>
43 #include <windows.h>
44
45 #include "xmalloc.h"
46
47 int
binary_open(const char * filename,int flags,...)48 binary_open(const char *filename, int flags, ...)
49 {
50 va_list ap;
51 mode_t mode;
52
53 va_start(ap, flags);
54 mode = va_arg(ap, mode_t);
55 va_end(ap);
56 return (open(filename, flags | O_BINARY, mode));
57 }
58
59 int
check_ntsec(const char * filename)60 check_ntsec(const char *filename)
61 {
62 return (pathconf(filename, _PC_POSIX_PERMISSIONS));
63 }
64
65 #define NL(x) x, (sizeof (x) - 1)
66 #define WENV_SIZ (sizeof (wenv_arr) / sizeof (wenv_arr[0]))
67
68 static struct wenv {
69 const char *name;
70 size_t namelen;
71 } wenv_arr[] = {
72 { NL("ALLUSERSPROFILE=") },
73 { NL("COMPUTERNAME=") },
74 { NL("COMSPEC=") },
75 { NL("CYGWIN=") },
76 { NL("OS=") },
77 { NL("PATH=") },
78 { NL("PATHEXT=") },
79 { NL("SYSTEMDRIVE=") },
80 { NL("SYSTEMROOT=") },
81 { NL("WINDIR=") }
82 };
83
84 char **
fetch_windows_environment(void)85 fetch_windows_environment(void)
86 {
87 char **e, **p;
88 unsigned int i, idx = 0;
89
90 p = xcalloc(WENV_SIZ + 1, sizeof(char *));
91 for (e = environ; *e != NULL; ++e) {
92 for (i = 0; i < WENV_SIZ; ++i) {
93 if (!strncmp(*e, wenv_arr[i].name, wenv_arr[i].namelen))
94 p[idx++] = *e;
95 }
96 }
97 p[idx] = NULL;
98 return p;
99 }
100
101 void
free_windows_environment(char ** p)102 free_windows_environment(char **p)
103 {
104 xfree(p);
105 }
106
107 #endif /* HAVE_CYGWIN */
108