/[svn]/libgig/trunk/src/helper.cpp
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Contents of /libgig/trunk/src/helper.cpp

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Revision 3199 - (show annotations) (download)
Sun May 21 17:04:34 2017 UTC (3 years, 6 months ago) by schoenebeck
File size: 2408 byte(s)
* Fixed compilation error on Windows.
* Bumped version (4.0.0.svn25).

1 /***************************************************************************
2 * *
3 * libgig - C++ cross-platform Gigasampler format file access library *
4 * *
5 * Copyright (C) 2003-2017 by Christian Schoenebeck *
6 * <cuse@users.sourceforge.net> *
7 * *
8 * This library is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
12 * *
13 * This library is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU General Public License *
19 * along with this library; if not, write to the Free Software *
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21 * MA 02111-1307 USA *
22 ***************************************************************************/
23
24 #include "helper.h"
25
26 #if !HAVE_VASPRINTF && defined(WIN32)
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <stdint.h>
31 #include <string.h>
32
33 // vasprintf() does not exist on older windows versions
34 int vasprintf(char** ret, const char* format, va_list arg) {
35 *ret = NULL;
36 const int len = _vscprintf(format, arg); // counts without \0 delimiter
37 if (len < 0)
38 return -1;
39 const size_t size = ((size_t) len) + 1;
40 char* buf = malloc(size);
41 if (!buf)
42 return -1;
43 memset(buf, 0, size);
44 int res = _vsprintf_s(buf, size, format, arg);
45 if (res < 0) {
46 free(buf);
47 return -1;
48 }
49 *ret = buf;
50 return res;
51 }
52
53 #endif // !HAVE_VASPRINTF && defined(WIN32)

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