amiga-tz/utility/setclockgmt.c

113 lines
2.4 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include "tzversion.h"
#include "clib/timezone.h"
#include "inline/timezone.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 *TimezoneBase = NULL;
struct Library *BattClockBase;
int main(int argc, char **argv)
{
int result;
struct RDArgs *rdargs;
struct timeval tv;
struct progargs args = { FALSE, FALSE, FALSE };
if((result = amiga_open_libs()) != 0) {
exit(result);
}
rdargs = ReadArgs((STRPTR)ARGSFORMAT, (APTR)&args, NULL);
if (!rdargs)
{
PrintFault(IoErr(), (STRPTR)argv[0]);
} else if (args.load) {
tv.tv_secs = ReadBattClock();
setsystime(&tv);
tv.tv_secs = ReadBattClock() + gmtoffset(tv.tv_secs);
setsystime(&tv);
} else if (args.save) {
getsystime(&tv);
WriteBattClock(tv.tv_secs - gmtoffset(tv.tv_secs));
} else if (args.reset) {
ResetBattClock();
} else {
printf("%s %s\n", argv[0], ARGSFORMAT);
}
if(rdargs) {
FreeArgs(rdargs);
}
amiga_close_libs();
return 0;
}
void amiga_open_lib_error(char *name, int version)
{
FPrintf(Output(), (STRPTR)OPEN_VER_ERROR, name, version);
}
int amiga_open_libs()
{
atexit(amiga_close_libs);
if(!(DOSBase = OpenLibrary((STRPTR)DOSLIB_NAME, DOSLIB_REV))) {
amiga_open_lib_error(DOSLIB_NAME, DOSLIB_REV);
return 5;
}
if(!(UtilityBase = OpenLibrary((STRPTR)UTILLIB_NAME, UTILLIB_REV))) {
amiga_open_lib_error(UTILLIB_NAME, UTILLIB_REV);
return 5;
}
if (!(BattClockBase = OpenResource((STRPTR)BATTCLOCK_NAME))) {
FPrintf(Output(), (STRPTR)OPEN_ERROR, BATTCLOCK_NAME);
return 5;
}
if(!(TimezoneBase = OpenLibrary((CONST_STRPTR)TIMEZONELIB_NAME, TIMEZONELIB_REV))) {
amiga_open_lib_error(TIMEZONELIB_NAME, TIMEZONELIB_REV);
return 5;
}
return 0;
}
void amiga_close_libs()
{
if (TimezoneBase != NULL) {
CloseLibrary(TimezoneBase);
TimezoneBase = NULL;
}
if (UtilityBase != NULL) {
CloseLibrary(UtilityBase);
UtilityBase = NULL;
}
if (DOSBase != NULL) {
CloseLibrary(DOSBase);
DOSBase = NULL;
}
}