mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-23 16:38:37 -05:00
39 lines
820 B
C
39 lines
820 B
C
|
/*
|
||
|
|
* vasprintf.h
|
||
|
|
*
|
||
|
|
* Created on: 9 May 2017
|
||
|
|
* Author: egriffiths
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef LIBLIMESUITE_SRCMW_VASPRINTF_H_
|
||
|
|
#define LIBLIMESUITE_SRCMW_VASPRINTF_H_
|
||
|
|
|
||
|
|
|
||
|
|
#define _GNU_SOURCE
|
||
|
|
#define __CRT__NO_INLINE
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdarg.h>
|
||
|
|
|
||
|
|
int my_vasprintf(char ** __restrict__ ret,
|
||
|
|
const char * __restrict__ format,
|
||
|
|
va_list ap) {
|
||
|
|
int len;
|
||
|
|
/* Get Length */
|
||
|
|
len = _vsnprintf(NULL,0,format,ap);
|
||
|
|
if (len < 0) return -1;
|
||
|
|
/* +1 for \0 terminator. */
|
||
|
|
*ret = (char *) malloc(len + 1);
|
||
|
|
/* Check malloc fail*/
|
||
|
|
if (!*ret) return -1;
|
||
|
|
/* Write String */
|
||
|
|
_vsnprintf(*ret,len+1,format,ap);
|
||
|
|
/* Terminate explicitly */
|
||
|
|
(*ret)[len] = '\0';
|
||
|
|
return len;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* LIBLIMESUITE_SRCMW_VASPRINTF_H_ */
|