| 1 | /* |
| 2 | char id_err[] = "@(#)err.c 1.3"; |
| 3 | * |
| 4 | * file i/o error and initialization routines |
| 5 | */ |
| 6 | |
| 7 | #include <sys/types.h> |
| 8 | #include <sys/stat.h> |
| 9 | #include <signal.h> |
| 10 | #include "fiodefs.h" |
| 11 | |
| 12 | /* |
| 13 | * global definitions |
| 14 | */ |
| 15 | |
| 16 | char *tmplate = "tmp.FXXXXXX"; /* scratch file template */ |
| 17 | char *fortfile = "fort.%d"; /* default file template */ |
| 18 | |
| 19 | unit units[MXUNIT] = 0; /*unit table*/ |
| 20 | flag reading; /*1 if reading, 0 if writing*/ |
| 21 | flag external; /*1 if external io, 0 if internal */ |
| 22 | flag sequential; /*1 if sequential io, 0 if direct*/ |
| 23 | flag formatted; /*1 if formatted io, 0 if unformatted, -1 if list*/ |
| 24 | char *fmtbuf, *icptr, *icend, *fmtptr; |
| 25 | int (*doed)(),(*doned)(); |
| 26 | int (*doend)(),(*donewrec)(),(*dorevert)(),(*dotab)(); |
| 27 | int (*lioproc)(); |
| 28 | int (*getn)(),(*putn)(),(*ungetn)(); /*for formatted io*/ |
| 29 | icilist *svic; /* active internal io list */ |
| 30 | FILE *cf; /*current file structure*/ |
| 31 | unit *curunit; /*current unit structure*/ |
| 32 | int lunit; /*current logical unit*/ |
| 33 | char *lfname; /*current filename*/ |
| 34 | int recpos; /*place in current record*/ |
| 35 | ftnint recnum; /* current record number */ |
| 36 | int reclen; /* current record length */ |
| 37 | int cursor,scale; |
| 38 | int radix; |
| 39 | ioflag signit,tab,cplus,cblank,elist,errflag,endflag,lquit,l_first; |
| 40 | flag leof; |
| 41 | int lcount,line_len; |
| 42 | |
| 43 | /*error messages*/ |
| 44 | |
| 45 | extern char *sys_errlist[]; |
| 46 | extern int sys_nerr; |
| 47 | |
| 48 | #include "f_errlist.h" |
| 49 | int f_nerr = MAXERR - F_ER; |
| 50 | |
| 51 | |
| 52 | fatal(n,s) char *s; |
| 53 | { |
| 54 | ftnint lu; |
| 55 | |
| 56 | for (lu=1; lu < MXUNIT; lu++) |
| 57 | flush_(&lu); |
| 58 | if(n<0) |
| 59 | fprintf(stderr,"%s: [%d] end of file\n",s,n); |
| 60 | else if(n>=0 && n<sys_nerr) |
| 61 | fprintf(stderr,"%s: [%d] %s\n",s,n,sys_errlist[n]); |
| 62 | else if(n>=F_ER && n<MAXERR) |
| 63 | fprintf(stderr,"%s: [%d] %s\n",s,n,f_errlist[n-F_ER]); |
| 64 | else |
| 65 | fprintf(stderr,"%s: [%d] unknown error number\n",s,n); |
| 66 | if(external) |
| 67 | { |
| 68 | if(!lfname) switch (lunit) |
| 69 | { case STDERR: lfname = "stderr"; |
| 70 | break; |
| 71 | case STDIN: lfname = "stdin"; |
| 72 | break; |
| 73 | case STDOUT: lfname = "stdout"; |
| 74 | break; |
| 75 | default: lfname = ""; |
| 76 | } |
| 77 | fprintf(stderr,"logical unit %d, named '%s'\n",lunit,lfname); |
| 78 | } |
| 79 | if (elist) |
| 80 | { fprintf(stderr,"lately: %s %s %s %s IO\n", |
| 81 | reading?"reading":"writing", |
| 82 | sequential?"sequential":"direct", |
| 83 | formatted>0?"formatted":(formatted<0?"list":"unformatted"), |
| 84 | external?"external":"internal"); |
| 85 | if (formatted) |
| 86 | { if(fmtbuf) prnt_fmt(n); |
| 87 | if (external) |
| 88 | { if(reading && curunit->useek) |
| 89 | prnt_ext(); /* print external data */ |
| 90 | } |
| 91 | else prnt_int(); /* print internal array */ |
| 92 | } |
| 93 | } |
| 94 | f_exit(); |
| 95 | _cleanup(); |
| 96 | abort(); |
| 97 | } |
| 98 | |
| 99 | prnt_ext() |
| 100 | { int ch; |
| 101 | int i=1; |
| 102 | long loc; |
| 103 | fprintf (stderr, "part of last data: "); |
| 104 | loc = ftell(curunit->ufd); |
| 105 | if(loc) |
| 106 | { if(loc==1L) rewind(curunit->ufd); |
| 107 | else for(;i<12 && last_char(curunit->ufd)!='\n';i++); |
| 108 | while(i--) fputc(fgetc(curunit->ufd),stderr); |
| 109 | } |
| 110 | fputc('|',stderr); |
| 111 | for(i=0;i<5 && (ch=fgetc(curunit->ufd)!=EOF);i++) fputc(ch,stderr); |
| 112 | fputc('\n',stderr); |
| 113 | } |
| 114 | |
| 115 | prnt_int() |
| 116 | { char *ep; |
| 117 | fprintf (stderr,"part of last string: "); |
| 118 | ep = icptr - (recpos<12?recpos:12); |
| 119 | while (ep<icptr) fputc(*ep++,stderr); |
| 120 | fputc('|',stderr); |
| 121 | while (ep<(icptr+5) && ep<icend) fputc(*ep++,stderr); |
| 122 | fputc('\n',stderr); |
| 123 | } |
| 124 | |
| 125 | prnt_fmt(n) int n; |
| 126 | { int i; char *ep; |
| 127 | fprintf(stderr, "part of last format: "); |
| 128 | if(n==F_ERFMT) |
| 129 | { i = fmtptr - fmtbuf; |
| 130 | ep = fmtptr - (i<20?i:20); |
| 131 | i = i + 5; |
| 132 | } |
| 133 | else |
| 134 | { ep = fmtbuf; |
| 135 | i = 25; |
| 136 | fmtptr = fmtbuf - 1; |
| 137 | } |
| 138 | while(i && *ep) |
| 139 | { fputc((*ep==GLITCH)?'"':*ep,stderr); |
| 140 | if(ep==fmtptr) fputc('|',stderr); |
| 141 | ep++; i--; |
| 142 | } |
| 143 | fputc('\n',stderr); |
| 144 | } |
| 145 | |
| 146 | /*initialization routine*/ |
| 147 | f_init() |
| 148 | { ini_std(STDERR, stderr, WRITE); |
| 149 | ini_std(STDIN, stdin, READ); |
| 150 | ini_std(STDOUT, stdout, WRITE); |
| 151 | } |
| 152 | |