1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#ifndef __vasprintf_compat_h
#define __vasprintf_compat_h
/**
* @file
* @brief Do not use, json-c internal, may be changed or removed at any time.
*/
#include "snprintf_compat.h"
/* CAW: compliant version of vasprintf */
static int json_vasprintf(char **buf, const char *fmt, va_list ap)
{
#ifndef WIN32
static char _T_emptybuffer = '\0';
#endif /* !defined(WIN32) */
int chars;
char *b;
va_list ap2;
if(!buf) { return -1; }
va_copy(ap2, ap);
#ifdef WIN32
chars = _vscprintf(fmt, ap2)+1;
#else /* !defined(WIN32) */
/* CAW: RAWR! We have to hope to god here that vsnprintf doesn't overwrite
our buffer like on some 64bit sun systems.... but hey, its time to move on */
chars = vsnprintf(&_T_emptybuffer, 0, fmt, ap2)+1;
if(chars < 0) { chars *= -1; } /* CAW: old glibc versions have this problem */
#endif /* defined(WIN32) */
va_end(ap2);
b = (char*)malloc(sizeof(char)*chars);
if(!b) { return -1; }
if((chars = vsprintf(b, fmt, ap)) < 0)
{
free(b);
} else {
*buf = b;
}
return chars;
}
#endif /* __vasprintf_compat_h */
|
