27 lines
402 B
C
27 lines
402 B
C
/*
|
|
* vfprintf.c
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <unistd.h>
|
|
|
|
#define BUFFER_SIZE 32768
|
|
|
|
int vfprintf(FILE *file, const char *format, va_list ap)
|
|
{
|
|
int rv;
|
|
char buffer[BUFFER_SIZE];
|
|
|
|
rv = vsnprintf(buffer, BUFFER_SIZE, format, ap);
|
|
|
|
if ( rv < 0 )
|
|
return rv;
|
|
|
|
if ( rv > BUFFER_SIZE-1 )
|
|
rv = BUFFER_SIZE-1;
|
|
|
|
return _fwrite(buffer, rv, file);
|
|
}
|