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#include "config.h"
#include "f2c.h"
#include "fio.h"
#include <string.h>
#if defined (MSDOS) && !defined (GO32)
#undef abs
#undef min
#undef max
#include "io.h"
#endif
integer
f_inqu (inlist * a)
{
flag byfile;
int i, n;
unit *p;
char buf[256];
long x;
if (f__init & 2)
f__fatal (131, "I/O recursion");
if (a->infile != NULL)
{
byfile = 1;
g_char (a->infile, a->infilen, buf);
#ifdef NON_UNIX_STDIO
x = access (buf, 0) ? -1 : 0;
for (i = 0, p = NULL; i < MXUNIT; i++)
if (f__units[i].ufd != NULL
&& f__units[i].ufnm != NULL && !strcmp (f__units[i].ufnm, buf))
{
p = &f__units[i];
break;
}
#else
x = f__inode (buf, &n);
for (i = 0, p = NULL; i < MXUNIT; i++)
if (f__units[i].uinode == x
&& f__units[i].ufd != NULL && f__units[i].udev == n)
{
p = &f__units[i];
break;
}
#endif
}
else
{
byfile = 0;
if (a->inunit < MXUNIT && a->inunit >= 0)
{
p = &f__units[a->inunit];
}
else
{
p = NULL;
}
}
if (a->inex != NULL)
{
if ((byfile && x != -1) || (!byfile && p != NULL))
*a->inex = 1;
else
*a->inex = 0;
}
if (a->inopen != NULL)
{
if (byfile)
*a->inopen = (p != NULL);
else
*a->inopen = (p != NULL && p->ufd != NULL);
}
if (a->innum != NULL)
*a->innum = p - f__units;
if (a->innamed != NULL)
{
if (byfile || (p != NULL && p->ufnm != NULL))
*a->innamed = 1;
else
*a->innamed = 0;
}
if (a->inname != NULL)
{
if (byfile)
b_char (buf, a->inname, a->innamlen);
else if (p != NULL && p->ufnm != NULL)
b_char (p->ufnm, a->inname, a->innamlen);
}
if (a->inacc != NULL && p != NULL && p->ufd != NULL)
{
if (p->url)
b_char ("DIRECT", a->inacc, a->inacclen);
else
b_char ("SEQUENTIAL", a->inacc, a->inacclen);
}
if (a->inseq != NULL)
{
if (p != NULL && p->url)
b_char ("NO", a->inseq, a->inseqlen);
else
b_char ("YES", a->inseq, a->inseqlen);
}
if (a->indir != NULL)
{
if (p == NULL || p->url)
b_char ("YES", a->indir, a->indirlen);
else
b_char ("NO", a->indir, a->indirlen);
}
if (a->infmt != NULL)
{
if (p != NULL && p->ufmt == 0)
b_char ("UNFORMATTED", a->infmt, a->infmtlen);
else
b_char ("FORMATTED", a->infmt, a->infmtlen);
}
if (a->inform != NULL)
{
if (p != NULL && p->ufmt == 0)
b_char ("NO", a->inform, a->informlen);
else
b_char ("YES", a->inform, a->informlen);
}
if (a->inunf)
{
if (p != NULL && p->ufmt == 0)
b_char ("YES", a->inunf, a->inunflen);
else if (p != NULL)
b_char ("NO", a->inunf, a->inunflen);
else
b_char ("UNKNOWN", a->inunf, a->inunflen);
}
if (a->inrecl != NULL && p != NULL)
*a->inrecl = p->url;
if (a->innrec != NULL && p != NULL && p->url > 0)
*a->innrec = FTELL (p->ufd) / p->url + 1;
if (a->inblank && p != NULL && p->ufmt)
{
if (p->ublnk)
b_char ("ZERO", a->inblank, a->inblanklen);
else
b_char ("NULL", a->inblank, a->inblanklen);
}
return (0);
}
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