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	/***************************************************************************
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)