74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
/*
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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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/*
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* L L G E N
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*
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* An Extended LL(1) Parser Generator
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*
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* Author : Ceriel J.H. Jacobs
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*/
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/*
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* machdep.c
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* Machine dependant things
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*/
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# include "../../../h/em_path.h"
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# include "types.h"
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# ifndef NORCSID
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static string rcsid5 = "$Header$";
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# endif
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/* In this file the following routines are defined: */
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extern UNLINK();
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extern RENAME();
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extern string libpath();
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UNLINK(x) string x; {
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/* Must remove the file "x" */
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unlink(x); /* systemcall to remove file */
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}
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RENAME(x,y) string x,y; {
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/* Must move the file "x" to the file "y" */
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unlink(y);
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if(link(x,y)!=0)fatal(1,"Cannot link to %s",y);
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unlink(x);
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}
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string
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libpath(s) string s; {
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/* Must deliver a full pathname to the library file "s" */
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register string p;
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register length;
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p_mem alloc();
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string strcpy(), strcat();
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static string subdir = "/lib/LLgen/";
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length = strlen(EM_DIR) + strlen(subdir) + strlen(s) + 1;
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p = (string) alloc((unsigned) length);
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strcpy(p,EM_DIR);
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strcat(p,subdir);
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strcat(p,s);
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return p;
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}
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