#include "config.h"
#include "libgfortran.h"
#include "io.h"
#include <limits.h>
typedef enum
{ CLOSE_DELETE, CLOSE_KEEP, CLOSE_UNSPECIFIED }
close_status;
static const st_option status_opt[] = {
{"keep", CLOSE_KEEP},
{"delete", CLOSE_DELETE},
{NULL, 0}
};
extern void st_close (st_parameter_close *);
export_proto(st_close);
void
st_close (st_parameter_close *clp)
{
close_status status;
gfc_unit *u;
#if !HAVE_UNLINK_OPEN_FILE
char * path;
path = NULL;
#endif
library_start (&clp->common);
status = !(clp->common.flags & IOPARM_CLOSE_HAS_STATUS) ? CLOSE_UNSPECIFIED :
find_option (&clp->common, clp->status, clp->status_len,
status_opt, "Bad STATUS parameter in CLOSE statement");
if ((clp->common.flags & IOPARM_LIBRETURN_MASK) != IOPARM_LIBRETURN_OK)
{
library_end ();
return;
}
u = find_unit (clp->common.unit);
if (u != NULL)
{
if (u->flags.status == STATUS_SCRATCH)
{
if (status == CLOSE_KEEP)
generate_error (&clp->common, ERROR_BAD_OPTION,
"Can't KEEP a scratch file on CLOSE");
#if !HAVE_UNLINK_OPEN_FILE
path = (char *) gfc_alloca (u->file_len + 1);
unpack_filename (path, u->file, u->file_len);
#endif
}
else
{
if (status == CLOSE_DELETE)
{
#if HAVE_UNLINK_OPEN_FILE
delete_file (u);
#else
path = (char *) gfc_alloca (u->file_len + 1);
unpack_filename (path, u->file, u->file_len);
#endif
}
}
close_unit (u);
#if !HAVE_UNLINK_OPEN_FILE
if (path != NULL)
unlink (path);
#endif
}
library_end ();
}