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