96 lines
1.8 KiB
C
96 lines
1.8 KiB
C
/* $Header$ */
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/*
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* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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*
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* This product is part of the Amsterdam Compiler Kit.
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*
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* Permission to use, sell, duplicate or disclose this software must be
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* obtained in writing. Requests for such permissions may be sent to
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*
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* Dr. Andrew S. Tanenbaum
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* Wiskundig Seminarium
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* Vrije Universiteit
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* Postbox 7161
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* 1007 MC Amsterdam
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* The Netherlands
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*
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*/
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#include <em_abs.h>
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#include <em_path.h>
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#include <pc_file.h>
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#define MESLEN 30
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extern struct file *_curfil;
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extern int _pargc;
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extern char **_pargv;
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extern char **_penvp;
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extern char *_hol0();
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extern _trp();
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extern exit();
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extern int open();
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extern int read();
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extern int write();
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/* Modified not to use a table of indices any more. This circumvents yet
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another point where byte order in words would make you lose.
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*/
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_catch(erno) unsigned erno; {
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char *p,*q,**qq;
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unsigned i;
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int fd;
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char *pp[8];
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char mes[MESLEN];
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char c;
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qq = pp;
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if (p = FILN)
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*qq++ = p;
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else
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*qq++ = _pargv[0];
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p = &("xxxxx: "[5]);
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if (i = LINO) {
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*qq++ = ", ";
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do
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*--p = i % 10 + '0';
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while (i /= 10);
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}
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*qq++ = p;
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if ((erno & ~037) == 0140 && (_curfil->flags&0377)==MAGIC) {
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/* file error */
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*qq++ = "file ";
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*qq++ = _curfil->fname;
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*qq++ = ": ";
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}
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if ((fd=open(RTERR_PATH,0))<0)
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goto error;
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/* skip to correct message */
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for(i=0;i<erno;i++)
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do if (read(fd,&c,1)!=1)
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goto error;
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while (c!= '\n');
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if(read(fd,mes,MESLEN-1)<=0)
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goto error;
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mes[MESLEN-1]=0;
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for(i=0;i<MESLEN-1;i++)
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if(mes[i]=='\n')
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mes[i+1]=0;
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*qq++ = mes;
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*qq = 0;
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qq = pp;
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while (q = *qq++) {
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p = q;
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while (*p)
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p++;
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if (write(2,q,p-q) < 0)
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;
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}
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exit(erno);
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error:
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_trp(erno);
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}
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