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
|
#ifndef ASPRINTF_H
#define ASPRINTF_H
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
static inline int vasprintf(char **strp, const char *fmt, va_list ap)
{
va_list cp;
va_copy(cp, ap);
int len = vsnprintf(NULL, 0, fmt, ap) + 1;
if (len < 0) {
return -1;
}
*strp = malloc(len);
if (*strp == NULL) {
return -1;
}
int ret = vsnprintf(*strp, len, fmt, cp);
va_end(cp);
return ret;
}
static inline int asprintf(char **strp, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
int ret = vasprintf(strp, fmt, ap);
va_end(ap);
return ret;
}
#endif
|
