mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-30 09:44:54 +08:00
102 lines
1.8 KiB
C
102 lines
1.8 KiB
C
#include "config.h"
|
|
#include "f2c.h"
|
|
#include "fio.h"
|
|
|
|
#undef abs
|
|
#undef min
|
|
#undef max
|
|
#include <stdlib.h>
|
|
#ifdef NON_UNIX_STDIO
|
|
#ifndef unlink
|
|
#define unlink remove
|
|
#endif
|
|
#else
|
|
#if defined (MSDOS) && !defined (GO32)
|
|
#include "io.h"
|
|
#else
|
|
extern int unlink (const char *);
|
|
#endif
|
|
#endif
|
|
|
|
integer
|
|
f_clos (cllist * a)
|
|
{
|
|
unit *b;
|
|
|
|
if (f__init & 2)
|
|
f__fatal (131, "I/O recursion");
|
|
if (a->cunit >= MXUNIT)
|
|
return (0);
|
|
b = &f__units[a->cunit];
|
|
if (b->ufd == NULL)
|
|
goto done;
|
|
if (b->uscrtch == 1)
|
|
goto Delete;
|
|
if (!a->csta)
|
|
goto Keep;
|
|
switch (*a->csta)
|
|
{
|
|
default:
|
|
Keep:
|
|
case 'k':
|
|
case 'K':
|
|
if (b->uwrt == 1)
|
|
t_runc ((alist *) a);
|
|
if (b->ufnm)
|
|
{
|
|
fclose (b->ufd);
|
|
free (b->ufnm);
|
|
}
|
|
break;
|
|
case 'd':
|
|
case 'D':
|
|
Delete:
|
|
fclose (b->ufd);
|
|
if (b->ufnm)
|
|
{
|
|
unlink (b->ufnm);
|
|
/*SYSDEP*/ free (b->ufnm);
|
|
}
|
|
}
|
|
b->ufd = NULL;
|
|
done:
|
|
b->uend = 0;
|
|
b->ufnm = NULL;
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
f_exit (void)
|
|
{
|
|
int i;
|
|
static cllist xx;
|
|
if (!(f__init & 1))
|
|
return; /* Not initialized, so no open units. */
|
|
/* I/O no longer in progress. If, during an I/O operation (such
|
|
as waiting for the user to enter a line), there is an
|
|
interrupt (such as ^C to stop the program on a UNIX system),
|
|
f_exit() is called, but there is no longer any I/O in
|
|
progress. Without turning off this flag, f_clos() would
|
|
think that there is an I/O recursion in this circumstance. */
|
|
f__init &= ~2;
|
|
if (!xx.cerr)
|
|
{
|
|
xx.cerr = 1;
|
|
xx.csta = NULL;
|
|
for (i = 0; i < MXUNIT; i++)
|
|
{
|
|
xx.cunit = i;
|
|
(void) f_clos (&xx);
|
|
}
|
|
}
|
|
}
|
|
int
|
|
G77_flush_0 (void)
|
|
{
|
|
int i;
|
|
for (i = 0; i < MXUNIT; i++)
|
|
if (f__units[i].ufd != NULL && f__units[i].uwrt)
|
|
fflush (f__units[i].ufd);
|
|
return 0;
|
|
}
|