30 lines
517 B
C
Executable File
30 lines
517 B
C
Executable File
#pragma ident "@(#)vprintf.c 1.7 92/07/20 SMI" /* from S5R2 1.1 */
|
|
|
|
/*LINTLIBRARY*/
|
|
#include <stdio.h>
|
|
#include <varargs.h>
|
|
|
|
extern int _doprnt();
|
|
|
|
/*VARARGS1*/
|
|
int
|
|
vprintf(format, ap)
|
|
char *format;
|
|
va_list ap;
|
|
{
|
|
register int count;
|
|
|
|
if (!(stdout->_flag & _IOWRT)) {
|
|
/* if no write flag */
|
|
if (stdout->_flag & _IORW) {
|
|
/* if ok, cause read-write */
|
|
stdout->_flag |= _IOWRT;
|
|
} else {
|
|
/* else error */
|
|
return EOF;
|
|
}
|
|
}
|
|
count = _doprnt(format, ap, stdout);
|
|
return(ferror(stdout)? EOF: count);
|
|
}
|