00001 #include "f2c.h"
00002 #include "fio.h"
00003 #include "string.h"
00004 #ifdef NON_UNIX_STDIO
00005 #ifndef MSDOS
00006 #include "unistd.h"
00007 #endif
00008 #endif
00009 #ifdef KR_headers
00010 integer f_inqu(a) inlist *a;
00011 #else
00012 #ifdef __cplusplus
00013 extern "C" integer f_inqu(inlist*);
00014 #endif
00015 #ifdef MSDOS
00016 #undef abs
00017 #undef min
00018 #undef max
00019 #include "io.h"
00020 #endif
00021
00022 #ifdef _MSC_VER
00023 #define access _access
00024 #endif
00025
00026 integer f_inqu(inlist *a)
00027 #endif
00028 { flag byfile;
00029 int i;
00030 #ifndef NON_UNIX_STDIO
00031 int n;
00032 #endif
00033 unit *p;
00034 char buf[256];
00035 long x;
00036 if(a->infile!=NULL)
00037 { byfile=1;
00038 g_char(a->infile,a->infilen,buf);
00039 #ifdef NON_UNIX_STDIO
00040 x = access(buf,0) ? -1 : 0;
00041 for(i=0,p=NULL;i<MXUNIT;i++)
00042 if(f__units[i].ufd != NULL
00043 && f__units[i].ufnm != NULL
00044 && !strcmp(f__units[i].ufnm,buf)) {
00045 p = &f__units[i];
00046 break;
00047 }
00048 #else
00049 x=f__inode(buf, &n);
00050 for(i=0,p=NULL;i<MXUNIT;i++)
00051 if(f__units[i].uinode==x
00052 && f__units[i].ufd!=NULL
00053 && f__units[i].udev == n) {
00054 p = &f__units[i];
00055 break;
00056 }
00057 #endif
00058 }
00059 else
00060 {
00061 byfile=0;
00062 if(a->inunit<MXUNIT && a->inunit>=0)
00063 {
00064 p= &f__units[a->inunit];
00065 }
00066 else
00067 {
00068 p=NULL;
00069 }
00070 }
00071 if(a->inex!=NULL)
00072 if(byfile && x != -1 || !byfile && p!=NULL)
00073 *a->inex=1;
00074 else *a->inex=0;
00075 if(a->inopen!=NULL)
00076 if(byfile) *a->inopen=(p!=NULL);
00077 else *a->inopen=(p!=NULL && p->ufd!=NULL);
00078 if(a->innum!=NULL) *a->innum= p-f__units;
00079 if(a->innamed!=NULL)
00080 if(byfile || p!=NULL && p->ufnm!=NULL)
00081 *a->innamed=1;
00082 else *a->innamed=0;
00083 if(a->inname!=NULL)
00084 if(byfile)
00085 b_char(buf,a->inname,a->innamlen);
00086 else if(p!=NULL && p->ufnm!=NULL)
00087 b_char(p->ufnm,a->inname,a->innamlen);
00088 if(a->inacc!=NULL && p!=NULL && p->ufd!=NULL)
00089 if(p->url)
00090 b_char("DIRECT",a->inacc,a->inacclen);
00091 else b_char("SEQUENTIAL",a->inacc,a->inacclen);
00092 if(a->inseq!=NULL)
00093 if(p!=NULL && p->url)
00094 b_char("NO",a->inseq,a->inseqlen);
00095 else b_char("YES",a->inseq,a->inseqlen);
00096 if(a->indir!=NULL)
00097 if(p==NULL || p->url)
00098 b_char("YES",a->indir,a->indirlen);
00099 else b_char("NO",a->indir,a->indirlen);
00100 if(a->infmt!=NULL)
00101 if(p!=NULL && p->ufmt==0)
00102 b_char("UNFORMATTED",a->infmt,a->infmtlen);
00103 else b_char("FORMATTED",a->infmt,a->infmtlen);
00104 if(a->inform!=NULL)
00105 if(p!=NULL && p->ufmt==0)
00106 b_char("NO",a->inform,a->informlen);
00107 else b_char("YES",a->inform,a->informlen);
00108 if(a->inunf)
00109 if(p!=NULL && p->ufmt==0)
00110 b_char("YES",a->inunf,a->inunflen);
00111 else if (p!=NULL) b_char("NO",a->inunf,a->inunflen);
00112 else b_char("UNKNOWN",a->inunf,a->inunflen);
00113 if(a->inrecl!=NULL && p!=NULL)
00114 *a->inrecl=p->url;
00115 if(a->innrec!=NULL && p!=NULL && p->url>0)
00116 *a->innrec=(ftnint)(FTELL(p->ufd)/p->url+1);
00117 if(a->inblank && p!=NULL && p->ufmt)
00118 if(p->ublnk)
00119 b_char("ZERO",a->inblank,a->inblanklen);
00120 else b_char("NULL",a->inblank,a->inblanklen);
00121 return(0);
00122 }
