home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Aminet 5
/
Aminet 5 - March 1995.iso
/
Aminet
/
util
/
cli
/
bangtools.lha
/
src
/
memcopy.c
< prev
next >
Wrap
C/C++ Source or Header
|
1995-01-15
|
2KB
|
86 lines
/* memcopy - copy bytes from one memory location to another
*
* Copyright (C) 1994 by Ingo Wilken (Ingo.Wilken@informatik.uni-oldenburg.de)
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation. This software is provided "as is" without express or
* implied warranty.
*
* V1.0: 09/Dec/94 first version
*/
#define THIS_PROGRAM "memcopy"
#define THIS_VERSION "1.0"
#include <exec/types.h>
#include <exec/libraries.h>
#include <dos/dos.h>
#include <dos/rdargs.h>
#include <stdlib.h>
#include <string.h>
#define SysBase_DECLARED
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/utility.h>
extern struct Library *SysBase;
static const char amiga_version[] = "\0$VER: " THIS_PROGRAM " " THIS_VERSION " (" __COMMODORE_DATE__ ")";
const char Template[] = "FROM/A,TO/A,NUM/N,STRING/S";
__aligned struct {
STRPTR from;
STRPTR to;
LONG * num;
LONG isstring;
} Args;
void
_main()
{
struct RDArgs *rdargs;
APTR addr1, addr2;
LONG rc = RETURN_OK;
if( SysBase->lib_Version < 37 ) {
#define MESSAGE "requires AmigaOS 2.04 or higher\n"
Write(Output(), MESSAGE, sizeof(MESSAGE)-1);
_exit(RETURN_FAIL);
#undef MESSAGE
}
if( rdargs = ReadArgs(Template, (LONG *)&Args, NULL) ) {
char *endp1, *endp2;
addr1 = (APTR)strtoul(Args.from, &endp1, 0);
addr2 = (APTR)strtoul(Args.to , &endp2, 0);
if( *endp2 ) {
PutStr("invalid address\n");
rc = RETURN_ERROR;
}
else {
if( *endp1 || Args.isstring ) { /* FROM arg is a string */
if( Args.num )
strncpy((char *)addr2, Args.from, *(Args.num));
else
strcpy((char *)addr2, Args.from);
}
else {
if( Args.num )
CopyMem(addr1, addr2, *(Args.num));
else
strcpy((char *)addr2, (char *)addr1);
}
}
FreeArgs(rdargs);
}
else {
PutStr("required argument missing\n");
rc = RETURN_ERROR;
}
_exit((int)rc);
}