Doxygen Source Code Documentation
inquire.c File Reference
#include "f2c.h"#include "fio.h"#include <unistd.h>#include <string.h>Go to the source code of this file.
Functions | |
| integer | f_inqu (inlist *a) |
Function Documentation
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Definition at line 17 of file inquire.c. References a, b_char(), f__inode(), g_char(), i, MXUNIT, p, unit::ublnk, unit::ufd, unit::ufmt, unit::ufnm, and unit::url.
00019 { flag byfile;
00020 int i, n;
00021 unit *p;
00022 char buf[256];
00023 long x;
00024 if(a->infile!=NULL)
00025 { byfile=1;
00026 g_char(a->infile,a->infilen,buf);
00027 #ifdef NON_UNIX_STDIO
00028 x = access(buf,0) ? -1 : 0;
00029 for(i=0,p=NULL;i<MXUNIT;i++)
00030 if(f__units[i].ufd != NULL
00031 && f__units[i].ufnm != NULL
00032 && !strcmp(f__units[i].ufnm,buf)) {
00033 p = &f__units[i];
00034 break;
00035 }
00036 #else
00037 x=f__inode(buf, &n);
00038 for(i=0,p=NULL;i<MXUNIT;i++)
00039 if(f__units[i].uinode==x
00040 && f__units[i].ufd!=NULL
00041 && f__units[i].udev == n) {
00042 p = &f__units[i];
00043 break;
00044 }
00045 #endif
00046 }
00047 else
00048 {
00049 byfile=0;
00050 if(a->inunit<MXUNIT && a->inunit>=0)
00051 {
00052 p= &f__units[a->inunit];
00053 }
00054 else
00055 {
00056 p=NULL;
00057 }
00058 }
00059 if(a->inex!=NULL)
00060 if(byfile && x != -1 || !byfile && p!=NULL)
00061 *a->inex=1;
00062 else *a->inex=0;
00063 if(a->inopen!=NULL)
00064 if(byfile) *a->inopen=(p!=NULL);
00065 else *a->inopen=(p!=NULL && p->ufd!=NULL);
00066 if(a->innum!=NULL) *a->innum= p-f__units;
00067 if(a->innamed!=NULL)
00068 if(byfile || p!=NULL && p->ufnm!=NULL)
00069 *a->innamed=1;
00070 else *a->innamed=0;
00071 if(a->inname!=NULL)
00072 if(byfile)
00073 b_char(buf,a->inname,a->innamlen);
00074 else if(p!=NULL && p->ufnm!=NULL)
00075 b_char(p->ufnm,a->inname,a->innamlen);
00076 if(a->inacc!=NULL && p!=NULL && p->ufd!=NULL)
00077 if(p->url)
00078 b_char("DIRECT",a->inacc,a->inacclen);
00079 else b_char("SEQUENTIAL",a->inacc,a->inacclen);
00080 if(a->inseq!=NULL)
00081 if(p!=NULL && p->url)
00082 b_char("NO",a->inseq,a->inseqlen);
00083 else b_char("YES",a->inseq,a->inseqlen);
00084 if(a->indir!=NULL)
00085 if(p==NULL || p->url)
00086 b_char("YES",a->indir,a->indirlen);
00087 else b_char("NO",a->indir,a->indirlen);
00088 if(a->infmt!=NULL)
00089 if(p!=NULL && p->ufmt==0)
00090 b_char("UNFORMATTED",a->infmt,a->infmtlen);
00091 else b_char("FORMATTED",a->infmt,a->infmtlen);
00092 if(a->inform!=NULL)
00093 if(p!=NULL && p->ufmt==0)
00094 b_char("NO",a->inform,a->informlen);
00095 else b_char("YES",a->inform,a->informlen);
00096 if(a->inunf)
00097 if(p!=NULL && p->ufmt==0)
00098 b_char("YES",a->inunf,a->inunflen);
00099 else if (p!=NULL) b_char("NO",a->inunf,a->inunflen);
00100 else b_char("UNKNOWN",a->inunf,a->inunflen);
00101 if(a->inrecl!=NULL && p!=NULL)
00102 *a->inrecl=p->url;
00103 if(a->innrec!=NULL && p!=NULL && p->url>0)
00104 *a->innrec=ftell(p->ufd)/p->url+1;
00105 if(a->inblank && p!=NULL && p->ufmt)
00106 if(p->ublnk)
00107 b_char("ZERO",a->inblank,a->inblanklen);
00108 else b_char("NULL",a->inblank,a->inblanklen);
00109 return(0);
00110 }
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