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/*
* xtrojka (c) 1994,1995,1996 Maarten Los
*
* #include "COPYRIGHT"
*
* created: 26.xi.1995
* modified: 04.iv.1996
*
* This module reads and writes the preferences
*/
#include "debug.h"
#include "tr_core.h"
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include "xtrojka.h"
#include "preferences.h"
extern flag is_wizard;
extern flag is_slick;
extern int starting_speed;
extern int speed;
extern char *getenv();
PREFS prefs;
char prefsfile[300];
void init_preferences(void)
{
char *home;
DEBUG("preferences.c", "init_preferences")
/* try to read the prefs from the file */
if((home = getenv(DOLLAR_HOME)) == NULL) {
/*
* we cannot get $HOME, so use some vague tmp-file
*/
sprintf(prefsfile,"/tmp/%s", PREFSFILENAME);
return;
}
sprintf(prefsfile,"%s/%s", home, PREFSFILENAME);
read_prefs();
}
void read_prefs(void)
{
int fd;
DEBUG("preferences.c", "read_prefs")
/*
* set the default preferences
*/
set_default_prefs();
if((fd = open(prefsfile, O_RDONLY)) < 0) {
create_prefsfile();
write_prefs();
return;
} else
if(read(fd, &prefs, sizeof(prefs)) < 0) {
fprintf(stderr,"%s\n", app_data.wstr_read_prefs);
return;
}
is_wizard = prefs.wizard;
is_slick = prefs.slick;
starting_speed = speed = prefs.speed;
if(fd >=0)
close(fd);
}
void write_prefs(void)
{
int fd;
DEBUG("preferences.c", "write_prefs")
/* try to write the prefs to the prefsfile */
if((fd = open(prefsfile, O_WRONLY)) < 0)
fprintf(stderr,"%s\n", app_data.wstr_open_prefs);
prefs.wizard = is_wizard;
prefs.slick = is_slick;
prefs.speed = speed;
if(write(fd, &prefs, sizeof(prefs)) < 0)
fprintf(stderr,"%s\n", app_data.wstr_write_prefs);
}
void create_prefsfile(void)
{
int fd;
int oldumask;
oldumask = umask(0);
DEBUG("preferences.c", "create_pefsfile")
if((fd = creat(prefsfile, 0666)) < 0)
fprintf(stderr,"%s\n", app_data.wstr_create_prefs);
if(fd >= 0)
close(fd);
umask(oldumask);
}
void set_default_prefs(void)
{
DEBUG("preferences.c", "set_default_prefs")
is_wizard = DEF_IS_WIZARD;
is_slick = DEF_IS_SLICK;
starting_speed = speed = DEF_SPEED;
}
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