144 lines
3.0 KiB
C
144 lines
3.0 KiB
C
#include "config.h"
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#include "f2c.h"
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#include "fio.h"
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#include <string.h>
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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
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f_inqu (inlist * a)
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{
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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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{
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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 && !strcmp (f__units[i].ufnm, buf))
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{
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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 && f__units[i].udev == n)
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{
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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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{
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if ((byfile && x != -1) || (!byfile && p != NULL))
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*a->inex = 1;
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else
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*a->inex = 0;
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}
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if (a->inopen != NULL)
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{
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if (byfile)
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*a->inopen = (p != NULL);
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else
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*a->inopen = (p != NULL && p->ufd != NULL);
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}
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if (a->innum != NULL)
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*a->innum = p - f__units;
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if (a->innamed != NULL)
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{
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if (byfile || (p != NULL && p->ufnm != NULL))
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*a->innamed = 1;
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else
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*a->innamed = 0;
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}
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if (a->inname != NULL)
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{
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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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}
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if (a->inacc != NULL && p != NULL && p->ufd != NULL)
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{
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if (p->url)
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b_char ("DIRECT", a->inacc, a->inacclen);
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else
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b_char ("SEQUENTIAL", a->inacc, a->inacclen);
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}
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if (a->inseq != NULL)
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{
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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
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b_char ("YES", a->inseq, a->inseqlen);
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}
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if (a->indir != NULL)
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{
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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
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b_char ("NO", a->indir, a->indirlen);
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}
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if (a->infmt != NULL)
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{
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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
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b_char ("FORMATTED", a->infmt, a->infmtlen);
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}
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if (a->inform != NULL)
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{
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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
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b_char ("YES", a->inform, a->informlen);
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}
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if (a->inunf)
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{
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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)
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b_char ("NO", a->inunf, a->inunflen);
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else
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b_char ("UNKNOWN", a->inunf, a->inunflen);
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}
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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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{
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if (p->ublnk)
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b_char ("ZERO", a->inblank, a->inblanklen);
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else
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b_char ("NULL", a->inblank, a->inblanklen);
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}
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return (0);
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}
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