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Add integer shifts and fix code template errors for mul/div/mod One needs to remove stuff from the stack after putting it there. Actually do that in the code output for multiplication, division, and modulus. Add integer shifting code output which is optimized for constant shift counts but calls a routine for non-constant shift counts. Shifting by a negative amount is a no-op. Shifting by more than the size of an integer results in 0 (for left shifts) or -1 (for right shifts). Both negative shift counts and shift counts larger than the base type are undefined in the C standard so this behaviour is allowed.
author William Astle <lost@l-w.ca>
date Sat, 26 Oct 2019 22:01:55 -0600
parents 45df37e81741
children
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/*
lwar.h
Copyright © 2009 William Astle

This file is part of LWAR.

LWAR is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.

You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.

Contains the main defs used by the linker
*/


#define LWAR_OP_LIST	1
#define LWAR_OP_ADD		2
#define LWAR_OP_REMOVE	3
#define LWAR_OP_CREATE	4
#define LWAR_OP_EXTRACT	5
#define LWAR_OP_REPLACE	6

#ifndef __lwar_h_seen__
#define __lwar_h_seen__

#ifndef __lwar_c_seen__

extern char *archive_file;
extern int debug_level;
extern int operation;
extern int nfiles;
extern char **files;
extern int mergeflag;
extern int filename_flag;

//typedef void * ARHANDLE;

#define AR_MODE_RD		1
#define AR_MODE_WR		2
#define AR_MODE_RW		3
#define AR_MODE_CREATE	4


#define __lwar_E__ extern
#else
#define __lwar_E__
#endif // __lwar_c_seen__

__lwar_E__ void add_file_name(char *fn);

__lwar_E__ char *get_file_name(char *fn);

//__lwar_E__ ARHANDLE open_archive(char *fn, int mode);

#undef __lwar_E__

#endif //__lwar_h_seen__