gcc/libf2c/libI77/ftell_.c
Toon Moene f8d92613d0 configure.in: Check for fseeko, ftello.
2001-07-06  Toon Moene  <toon@moene.indiv.nluug.nl>
            Pedro Vazquez  <vazquez@penelope.iqm.unicamp.br>

	* configure.in: Check for fseeko, ftello.
	* configure: Rebuilt.
	* config.h.in: Rebuilt.
	* fio.h: Define FSEEK to be fseek or fseeko, depending
	on configure's findings.  Ditto for FTELL and ftell / ftello.
	* backspace.c (f_back): Use FSEEK for fseek, FTELL for ftell.
	* dfe.c (c_dfe): Ditto.
	* due.c (c_due, e_rdue): Ditto.
	* endfile.c (t_runc): Ditto.
	* err.c (f__nowreading, f__nowwriting): Ditto.
	* ftell_.c (G77_ftell_0, G77_fseek_0): Ditto.
	* inquire.c (f_inqu): Ditto.
	* open.c (f_open): Ditto.
	* rdfmt.c (rd_ed): Ditto.
	* sue.c (s_wsue, e_wsue, e_rsue): Ditto.

Co-Authored-By: Pedro Vazquez <vazquez@penelope.iqm.unicamp.br>

From-SVN: r43806
2001-07-06 12:09:39 +00:00

48 lines
877 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;
}
off_t
#ifdef KR_headers
G77_ftell_0 (Unit) integer *Unit;
#else
G77_ftell_0 (integer *Unit)
#endif
{
FILE *f;
return (f = unit_chk(*Unit, "ftell")) ? 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, *offset, w) ? 1 : 0;
}