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Files
amiga-tz/setclockgmt.c
2015-06-25 22:28:02 +02:00

124 lines
3.3 KiB
C

/*
* Copyright (c) 2015 Carsten Larsen
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "private.h"
#include "amiga_tz.h"
#include "version.h"
const char *vers = "\0$VER: SetClockGMT" AMIGA_VERSION;
#define ARGSFORMAT "LOAD/S,SAVE/S,RESET/S"
struct progargs {
long load;
long save;
long reset;
};
int amiga_open_libs();
void amiga_close_libs();
struct Library *DOSBase = NULL;
struct Library *UtilityBase = NULL;
struct Library *BattClockBase;
int main(int argc, char **argv)
{
int result;
struct RDArgs *rdargs;
struct timeval tv = { 0, 0 };
struct progargs args = { FALSE, FALSE, FALSE };
if((result = amiga_open_libs()) != 0) {
exit(result);
}
rdargs = ReadArgs(ARGS_FORMAT, (APTR)&args, NULL);
if (!rdargs)
{
printf("%s %s\n", argv[0], ARGSFORMAT);
} else if (args.load) {
tv.tv_sec = ReadBattClock() + get_gmtoffset();
settime(&tv);
} else if (args.save) {
gettime(&tv);
WriteBattClock(tv.tv_sec - get_gmtoffset());
} else if (args.reset) {
ResetBattClock();
} else {
printf("%s %s\n", argv[0], ARGSFORMAT);
}
FreeArgs(rdargs);
amiga_close_libs();
return 0;
}
void amiga_open_lib_error(char *name, int version)
{
printf(OPEN_VER_ERROR, name, version);
printf(REQ_ERROR);
}
int amiga_open_libs()
{
atexit(amiga_close_libs);
if(!(DOSBase = OpenLibrary(DOSLIB_NAME, DOSLIB_REV))) {
amiga_open_lib_error(DOSLIB_NAME, DOSLIB_REV);
return 5;
}
if(!(UtilityBase = OpenLibrary(UTILLIB_NAME, UTILLIB_REV))) {
amiga_open_lib_error(UTILLIB_NAME, UTILLIB_REV);
return 5;
}
BattClockBase = OpenResource(BATTCLOCK_NAME);
if (!(BattClockBase = OpenResource(BATTCLOCK_NAME))) {
printf(OPEN_ERROR, BATTCLOCK_NAME);
return 5;
}
return 0;
}
void amiga_close_libs()
{
if (UtilityBase != NULL) {
CloseLibrary(UtilityBase);
UtilityBase = NULL;
}
if (DOSBase != NULL) {
CloseLibrary(DOSBase);
DOSBase = NULL;
}
}