70 lines
1.3 KiB
C
70 lines
1.3 KiB
C
/* Copyright (c) 1991 by the Vrije Universiteit, Amsterdam, the Netherlands.
|
|
* For full copyright and restrictions on use see the file COPYING in the top
|
|
* level of the LLgen tree.
|
|
*/
|
|
|
|
/*
|
|
* L L G E N
|
|
*
|
|
* An Extended LL(1) Parser Generator
|
|
*
|
|
* Author : Ceriel J.H. Jacobs
|
|
*/
|
|
|
|
/*
|
|
* machdep.c
|
|
* Machine dependant things
|
|
*/
|
|
|
|
# include "types.h"
|
|
|
|
# ifndef NORCSID
|
|
static string rcsid5 = "$Id$";
|
|
# endif
|
|
|
|
/* In this file the following routines are defined: */
|
|
extern UNLINK();
|
|
extern RENAME();
|
|
extern string libpath();
|
|
|
|
UNLINK(x) string x; {
|
|
/* Must remove the file "x" */
|
|
|
|
#ifdef USE_SYS
|
|
sys_remove(x); /* systemcall to remove file */
|
|
#else
|
|
unlink(x);
|
|
#endif
|
|
}
|
|
|
|
RENAME(x,y) string x,y; {
|
|
/* Must move the file "x" to the file "y" */
|
|
|
|
#ifdef USE_SYS
|
|
if(! sys_rename(x,y)) fatal(1,"Cannot rename to %s",y);
|
|
#else
|
|
unlink(y);
|
|
if (link(x,y) != 0) fatal(1,"Cannot rename to %s",y);
|
|
unlink(x);
|
|
#endif
|
|
}
|
|
|
|
/* to make it easier to patch ... */
|
|
char libdir[256] = LIBDIR;
|
|
|
|
string
|
|
libpath(s) string s; {
|
|
/* Must deliver a full pathname to the library file "s" */
|
|
|
|
register string p;
|
|
register length;
|
|
p_mem alloc();
|
|
string strcpy(), strcat();
|
|
|
|
length = strlen(libdir) + strlen(s) + 2;
|
|
p = (string) alloc((unsigned) length);
|
|
strcpy(p,libdir);
|
|
strcat(p,"/");
|
|
strcat(p,s);
|
|
return p;
|
|
}
|