876f9d8347
Obtained from: netlib.att.com
107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
#include "f2c.h"
|
|
#include "fio.h"
|
|
#ifdef KR_headers
|
|
integer f_inqu(a) inlist *a;
|
|
#else
|
|
#ifdef MSDOS
|
|
#undef abs
|
|
#undef min
|
|
#undef max
|
|
#include "string.h"
|
|
#include "io.h"
|
|
#endif
|
|
integer f_inqu(inlist *a)
|
|
#endif
|
|
{ flag byfile;
|
|
int i, n;
|
|
unit *p;
|
|
char buf[256];
|
|
long x;
|
|
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);
|
|
}
|