#include <em_abs.h>
#include <em_path.h>
+#include <pc_err.h>
#include <pc_file.h>
#define MESLEN 30
#define PATHLEN 100
/* to make it easier to patch ... */
-char emdir[64] = EM_DIR;
extern struct file *_curfil;
+static struct errm {
+ int errno;
+ char *errmes;
+} errors[] = {
+ { EARRAY, "array bound error"},
+ { ERANGE, "range bound error"},
+ { ESET, "set bound error"},
+ { EIOVFL, "integer overflow"},
+ { EFOVFL, "real overflow"},
+ { EFUNFL, "real underflow"},
+ { EIDIVZ, "divide by 0"},
+ { EFDIVZ, "divide by 0.0"},
+ { EIUND, "undefined integer"},
+ { EFUND, "undefined real"},
+ { ECONV, "conversion error"},
+
+ { ESTACK, "stack overflow"},
+ { EHEAP, "heap overflow"},
+ { EILLINS, "illegal instruction"},
+ { EODDZ, "illegal size argument"},
+ { ECASE, "case error"},
+ { EMEMFLT, "addressing non existent memory"},
+ { EBADPTR, "bad pointer used"},
+ { EBADPC, "program counter out of range"},
+ { EBADLAE, "bad argument of lae"},
+ { EBADMON, "bad monitor call"},
+ { EBADLIN, "argument if LIN too high"},
+ { EBADGTO, "GTO descriptor error"},
+
+ { EARGC, "more args expected" },
+ { EEXP, "error in exp" },
+ { ELOG, "error in ln" },
+ { ESQT, "error in sqrt" },
+ { EASS, "assertion failed" },
+ { EPACK, "array bound error in pack" },
+ { EUNPACK, "array bound error in unpack" },
+ { EMOD, "only positive j in 'i mod j'" },
+ { EBADF, "file not yet open" },
+ { EFREE, "dispose error" },
+ { EFUNASS, "function not assigned" },
+ { EWIDTH, "illegal field width" },
+
+ { EWRITEF, "not writable" },
+ { EREADF, "not readable" },
+ { EEOF, "end of file" },
+ { EFTRUNC, "truncated" },
+ { ERESET, "reset error" },
+ { EREWR, "rewrite error" },
+ { ECLOSE, "close error" },
+ { EREAD, "read error" },
+ { EWRITE, "write error" },
+ { EDIGIT, "digit expected" },
+ { EASCII, "non-ASCII char read" },
+ { -1, 0}
+};
+
extern int _pargc;
extern char **_pargv;
extern char **_penvp;
extern int read();
extern int write();
-/* Modified not to use a table of indices any more. This circumvents yet
- another point where byte order in words would make you lose.
- */
-
_catch(erno) unsigned erno; {
- char *p,*q,**qq;
- unsigned i;
- int fd;
- char *pp[8];
- char mes[MESLEN];
- char filename[PATHLEN];
- char c;
+ register struct errm *ep = &errors[0];
+ char *p,*q,*s,**qq;
+ char buf[20];
+ unsigned i;
+ int j = erno;
+ char *pp[10];
+ char mes[MESLEN];
qq = pp;
if (p = FILN)
*qq++ = p;
else
*qq++ = _pargv[0];
+
+ while (ep->errno != erno && ep->errmes != 0) ep++;
p = &("xxxxx: "[5]);
if (i = LINO) {
*qq++ = ", ";
*qq++ = _curfil->fname;
*qq++ = ": ";
}
- if ( (i=strtobuf(emdir,filename,PATHLEN)) >= PATHLEN-1 ||
- (filename[i]='/' ,
- strtobuf(RTERR_PATH,filename+i+1,PATHLEN-i-1) >= PATHLEN-i-1
- ) )
- goto error;
- if ((fd=open(filename,0))<0)
- goto error;
- /* skip to correct message */
- for(i=0;i<erno;i++)
- do if (read(fd,&c,1)!=1)
- goto error;
- while (c!= '\n');
- if(read(fd,mes,MESLEN-1)<=0)
- goto error;
- mes[MESLEN-1]=0;
- for(i=0;i<MESLEN-1;i++)
- if(mes[i]=='\n')
- mes[i+1]=0;
- *qq++ = mes;
+ if (ep->errmes) *qq++ = ep->errmes;
+ else {
+ q = "error number xxxxxxxxxxxxx";
+ p = &q[13];
+ s = buf;
+ if (j < 0) {
+ j = -j;
+ *p++ = '-';
+ }
+ do
+ *s++ = j % 10 + '0';
+ while (j /= 10);
+ while (s > buf) *p++ = *--s;
+ *p = 0;
+ *qq++ = q;
+ }
+ *qq++ = "\n";
*qq = 0;
qq = pp;
while (q = *qq++) {
public / ack.git / commitdiff