trunk/src/helper.cpp

/***************************************************************************
 *                                                                         *
 *   libgig - C++ cross-platform Gigasampler format file access library    *
 *                                                                         *
 *   Copyright (C) 2003-2017 by Christian Schoenebeck                      *
 *                              <cuse@users.sourceforge.net>               *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this library; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "helper.h"

#if !HAVE_VASPRINTF && defined(WIN32)

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>

// vasprintf() does not exist on older windows versions
int vasprintf(char** ret, const char* format, va_list arg) {
    *ret = NULL;
    const int len = _vscprintf(format, arg); // counts without \0 delimiter
    if (len < 0)
        return -1;
    const size_t size = ((size_t) len) + 1;
    char* buf = malloc(size);
    if (!buf)
        return -1;
    memset(buf, 0, size);
    int res = _vsprintf_s(buf, size, format, arg);
    if (res < 0) {
        free(buf);
        return -1;
    }
    *ret = buf;
    return res;
}

#endif // !HAVE_VASPRINTF && defined(WIN32)
1	schoenebeck	3199	/***************************************************************************
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)