15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
int
asprintf(char **strp, const char *fmt, ...)
{
size_t size;
va_list args;
va_start(args, fmt);
size = vsnprintf(NULL, 0, fmt, args);
if ((*strp = malloc(size)) == NULL)
return -1;
return vsnprintf(*strp, size, fmt, args);
}
#endif
|
|
|
>
|
|
|
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
int
asprintf(char **strp, const char *fmt, ...)
{
int size;
va_list args;
va_start(args, fmt);
if ((size = vsnprintf(NULL, 0, fmt, args)) < 0)
return size;
if ((*strp = malloc((size_t)size + 1)) == NULL)
return -1;
return vsnprintf(*strp, (size_t)size + 1, fmt, args);
}
#endif
|