1 /*************************************************************************/
2 /* */
3 /* Centre for Speech Technology Research */
4 /* University of Edinburgh, UK */
5 /* Copyright (c) 1994,1995,1996 */
6 /* All Rights Reserved. */
7 /* */
8 /* Permission is hereby granted, free of charge, to use and distribute */
9 /* this software and its documentation without restriction, including */
10 /* without limitation the rights to use, copy, modify, merge, publish, */
11 /* distribute, sublicense, and/or sell copies of this work, and to */
12 /* permit persons to whom this work is furnished to do so, subject to */
13 /* the following conditions: */
14 /* 1. The code must retain the above copyright notice, this list of */
15 /* conditions and the following disclaimer. */
16 /* 2. Any modifications must be clearly marked as such. */
17 /* 3. Original authors' names are not deleted. */
18 /* 4. The authors' names are not used to endorse or promote products */
19 /* derived from this software without specific prior written */
20 /* permission. */
21 /* */
22 /* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
23 /* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
24 /* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
25 /* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
26 /* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
27 /* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
28 /* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
29 /* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
30 /* THIS SOFTWARE. */
31 /* */
32 /*************************************************************************/
33 /* functions which mimic unix system calls */
34
35 #include <stdlib.h>
36 #include <stdio.h>
37 #include "EST_unix.h"
38 #include "EST_socket.h"
39
unix_access(const char * file,int mode)40 int unix_access(const char *file, int mode)
41 {
42 DWORD flags = GetFileAttributes(file);
43
44 if (flags == 0xffffffff)
45 {
46 if (ERROR_FILE_NOT_FOUND == GetLastError())
47 return -1;
48 else return 1;
49 }
50
51 if (mode==F_OK)
52 return 0;
53
54 if (mode==R_OK)
55 return 0;
56
57 if (mode==W_OK)
58 {
59 /* When referring to a directory, FILE_ATTRIBUTE_READONLY means the directory can't be
60 deleted. It does not mean a file can't be written to the directory.
61 */
62 if (flags|FILE_ATTRIBUTE_DIRECTORY)
63 return 0;
64 else
65 return (flags|FILE_ATTRIBUTE_READONLY) != 0;
66 }
67
68 return 1;
69 }
70
71
unix_read(HANDLE fd,char * buffer,int n)72 int unix_read(HANDLE fd, char *buffer, int n)
73 {
74 int howmany;
75
76 if (ReadFile(fd, buffer, n, &howmany, NULL))
77 return howmany;
78
79 return -1;
80 }
81
unix_getcwd(char * buffer,int maxlength)82 char *unix_getcwd(char *buffer, int maxlength)
83 {
84 static char lbuffer[1024];
85
86 if (buffer==NULL)
87 {
88 buffer = lbuffer;
89 maxlength=1023;
90 }
91
92 if (GetCurrentDirectory(maxlength, buffer) >=0)
93 return buffer;
94 return NULL;
95 }
96
unix_waitpid(int pid,int * statusp,int flags)97 int unix_waitpid(int pid, int *statusp, int flags)
98 {
99 fprintf(stderr, "waitpid not yet implemented\n");
100 return 0;
101 }
102
unix_fork(void)103 int unix_fork(void)
104 {
105 fprintf(stderr," FORK NOT YET IMPLEMENTED\n");
106 return -1;
107 }
108
109 static int sockets_initialised =0;
110
socket_initialise(void)111 int socket_initialise(void)
112 {
113 WORD wVersionRequested;
114 WSADATA wsaData;
115 int err;
116
117 if (sockets_initialised)
118 return 1;
119
120 wVersionRequested = MAKEWORD( 2, 0 );
121
122 err = WSAStartup( wVersionRequested, &wsaData );
123 if ( err != 0 )
124 {
125 printf("Socket Initialisation failed\n");
126 return 0;
127 }
128
129 sockets_initialised=1;
130 return 1;
131 }
132