usr/klibc/vasprintf.c

/*
 * vasprintf.c
 */

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>

int vasprintf(char **bufp, const char *format, va_list ap)
{
	va_list ap1;
	int bytes;
	char *p;

	va_copy(ap1, ap);

	bytes = vsnprintf(NULL, 0, format, ap1) + 1;
	va_end(ap1);

	*bufp = p = malloc(bytes);
	if (!p)
		return -1;

	return vsnprintf(p, bytes, format, ap);
}
1	/*
2	* vasprintf.c
3	*/
4
5	#include <stdio.h>
6	#include <stdlib.h>
7	#include <stdarg.h>
8
9	int vasprintf(char *bufp, const char format, va_list ap)
10	{
11	va_list ap1;
12	int bytes;
13	char *p;
14
15	va_copy(ap1, ap);
16
17	bytes = vsnprintf(NULL, 0, format, ap1) + 1;
18	va_end(ap1);
19
20	*bufp = p = malloc(bytes);
21	if (!p)
22	return -1;
23
24	return vsnprintf(p, bytes, format, ap);
25	}