File: vasprintf.c

package info (click to toggle)
klibc 2.0.1-3.1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 5,248 kB
  • sloc: ansic: 47,887; asm: 2,394; perl: 758; makefile: 193; sh: 183
file content (25 lines) | stat: -rw-r--r-- 356 bytes parent folder | download | duplicates (12) 
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
 
/*
 * 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);
}