/* * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. *//* * pANS stdio -- ftell */#include "iolib.h"long ftell(FILE *f){ long seekp=seek(f->fd, 0L, 1); if(seekp<0) return -1; /* enter error state? */ switch(f->state){ default: return seekp; case RD: return seekp-(f->wp-f->rp); case WR: return (f->flags&LINEBUF?f->lp:f->wp)-f->buf+seekp; }}
/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
/*
* pANS stdio -- ftell
*/
#include "iolib.h"
long ftell(FILE *f){
long seekp=seek(f->fd, 0L, 1);
if(seekp<0) return -1; /* enter error state? */
switch(f->state){
default:
return seekp;
case RD:
return seekp-(f->wp-f->rp);
case WR:
return (f->flags&LINEBUF?f->lp:f->wp)-f->buf+seekp;
}
}