File: asprintf.c

package info (click to toggle)
dietlibc 0.34~cvs20160606-12
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 11,388 kB
  • sloc: ansic: 71,664; asm: 13,008; cpp: 1,860; makefile: 804; sh: 292; perl: 62
file content (20 lines) | stat: -rw-r--r-- 395 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
#include <stdarg.h>
#include <sys/types.h>
#include <stdlib.h>
#include <stdio.h>
#include "dietwarning.h"

int asprintf(char **s, const char *format,...)
{
  int n;
  va_list arg_ptr;
  char tmp[8];
  va_start(arg_ptr, format);
  n=vsnprintf(tmp,0,format,arg_ptr);
  va_start (arg_ptr, format);
  if ((*s=malloc(n+1))) {
    n=vsnprintf(*s,n+1,format,arg_ptr);
    return n;
  }
  return -1;
}