LibOFX: win32.cpp Source File

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win32.cpp
1 /***************************************************************************
2 $RCSfile: win32.cpp,v $
3 -------------------
4 cvs : $Id: win32.cpp,v 1.3 2007-10-27 12:15:58 aquamaniac Exp $
5 begin : Sat Oct 27 2007
6 copyright : (C) 2007 by Martin Preuss
7 email : martin@libchipcard.de
8
9 ***************************************************************************
10 * This file is part of the project "LibOfx". *
11 * Please see toplevel file COPYING of that project for license details. *
12 ***************************************************************************/
13
14
15 #include "win32.hh"
16
17 #include <errno.h>
18 #include <stdlib.h>
19 #include <stdio.h>
20 #include <string.h>
21 #include <unistd.h>
22 #include <sys/stat.h>
23 #include <fcntl.h>
24 #include <assert.h>
25
26
27
28 #ifdef OS_WIN32
29
30 int mkstemp(char *tmpl)
31 {
32 int fd = -1;
33 int len;
34 char *nf;
35 int i;
36
37 len = strlen(tmpl);
38 if (len < 6)
39 {
40 /* bad template */
41 errno = EINVAL;
42 return -1;
43 }
44 if (strcasecmp(tmpl + (len - 7), "XXXXXX"))
45 {
46 /* bad template, last 6 chars must be "X" */
47 errno = EINVAL;
48 return -1;
49 }
50
51 nf = strdup(tmpl);
52
53 for (i = 0; i < 10; i++)
54 {
55 int rnd;
56 char numbuf[16];
57
58 rnd = rand();
59 snprintf(numbuf, sizeof(numbuf) - 1, "%06x", rnd);
60 memmove(nf + (len - 7), numbuf, 6);
61 fd = open(nf, O_RDWR | O_BINARY | O_CREAT, 0444);
62 if (fd >= 0)
63 {
64 memmove(tmpl, nf, len);
65 free(nf);
66 return fd;
67 }
68 }
69 free(nf);
70 errno = EEXIST;
71 return -1;
72 }
73
74
75 #endif
76
77