home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
CU Amiga Super CD-ROM 17
/
CU Amiga Magazine's Super CD-ROM 17 (1997)(EMAP Images)(GB)[!][issue 1997-12].iso
/
CUCD
/
Programming
/
DiceSource
/
lib
/
stdio
/
ftell.c
< prev
next >
Wrap
C/C++ Source or Header
|
1997-09-09
|
504b
|
31 lines
/*
* FTELL.C
*
* (c)Copyright 1992-1997 Obvious Implementations Corp. Redistribution and
* use is allowed under the terms of the DICE-LICENSE FILE,
* DICE-LICENSE.TXT.
*/
#include <stdio.h>
long
ftell(fi)
FILE *fi;
{
long n = fi->sd_Offset;
if (!(fi->sd_Flags & __SIF_FILE))
return(EOF);
if (fi->sd_WLeft >= 0)
return(n + (fi->sd_WPtr - fi->sd_WBuf));
else if (fi->sd_RLeft >= 0) {
if (fi->sd_UC >= 0)
--n;
return(n - fi->sd_RLeft);
}
return(n);
}