48 lines
897 B
C
48 lines
897 B
C
#include "config.h"
|
|
#include "f2c.h"
|
|
#include "fio.h"
|
|
|
|
static FILE *
|
|
#ifdef KR_headers
|
|
unit_chk(Unit, who) integer Unit; char *who;
|
|
#else
|
|
unit_chk(integer Unit, char *who)
|
|
#endif
|
|
{
|
|
if (Unit >= MXUNIT || Unit < 0)
|
|
f__fatal(101, who);
|
|
return f__units[Unit].ufd;
|
|
}
|
|
|
|
integer
|
|
#ifdef KR_headers
|
|
G77_ftell_0 (Unit) integer *Unit;
|
|
#else
|
|
G77_ftell_0 (integer *Unit)
|
|
#endif
|
|
{
|
|
FILE *f;
|
|
return (f = unit_chk(*Unit, "ftell")) ? (integer) FTELL(f) : -1L;
|
|
}
|
|
|
|
integer
|
|
#ifdef KR_headers
|
|
G77_fseek_0 (Unit, offset, xwhence) integer *Unit, *offset, *xwhence;
|
|
#else
|
|
G77_fseek_0 (integer *Unit, integer *offset, integer *xwhence)
|
|
#endif
|
|
{
|
|
FILE *f;
|
|
int w = (int)*xwhence;
|
|
#ifdef SEEK_SET
|
|
static int wohin[3] = { SEEK_SET, SEEK_CUR, SEEK_END };
|
|
#endif
|
|
if (w < 0 || w > 2)
|
|
w = 0;
|
|
#ifdef SEEK_SET
|
|
w = wohin[w];
|
|
#endif
|
|
return !(f = unit_chk(*Unit, "fseek"))
|
|
|| FSEEK(f, (off_t) *offset, w) ? 1 : 0;
|
|
}
|