static int read_str_gpio_file(uint8_t gpio_pin, const char *file_name, char *value, uint32_t max_str_length)
{
char path[MAX_STR_LENGTH];
if (!create_gpio_path(path, gpio_pin, file_name))
return -1;
return read_str_file(path, value, max_str_length);
}
int read_int_file(const char *path, uint32_t *value)
{
char str[MAX_STR_LENGTH];
if (read_str_file(path, str, MAX_STR_LENGTH) < 0)
return -1;
errno = 0;
*value = strtoul(str, NULL, 10);
if (errno != 0) {
fprintf(stderr, "Failed to convert string %s to integer", str);
return -1;
}
return 0;
}
/* load a map file or get it from the cache */
static struct pixmap_info *load_image_mtime(char *name,time_t *mtime /*GdkWindow *win*/)
{
GList *cached;
struct cache_entry ce_search;
struct cache_entry *ce;
struct stat st;
char filename[512];
#ifdef USE_IMLIB
GdkPixmap *p;
GdkImlibImage *im;
#else
struct pixmap_info *p;
#endif
cache_count++;
ce_search.name=name;
p=NULL;
cached=g_list_find_custom(cache_list,
&ce_search,find_cache);
if (cached)
{
ce=(struct cache_entry *)cached->data;
if (ce) {
ce->count=cache_count;
if (mtime)
*mtime=ce->mtime;
return ce->p;
}
}
if (g_list_length(cache_list)>=MAX_CACHE)
{
GList *rem;
cache_list=g_list_sort(cache_list,compare_cache);
ce=(struct cache_entry *)g_list_nth_data(cache_list,0);
if (ce->p)
#ifdef USE_IMLIB
gdk_imlib_free_pixmap(ce->p);
#else
free_pinfo(ce->p);
#endif
/* printf("entferne %s\n",ce->name); */
g_free(ce->name);
g_free(ce);
rem=g_list_first(cache_list);
cache_list=g_list_remove_link(cache_list,rem);
g_list_free(rem);
}
snprintf(filename,sizeof(filename),"%s.str", name);
read_str_file(filename,name);
snprintf(filename,sizeof(filename),"%s.png", name);
#ifndef USE_IMLIB
p=load_gfxfile(filename);
if (!p) {
if (!stat(filename,&st)) {
if (mtime)
*mtime=st.st_mtime;
return NULL;
}
snprintf(filename,sizeof(filename),"%s.jpg", name);
p=load_gfxfile(filename);
}
#endif
#ifdef USE_IMLIB
im=gdk_imlib_load_image(filename);
if (im)
break;
snprintf(filename,sizeof(filename),"%s/%s.bmp",kartenpfad[i],
name);
im=gdk_imlib_load_image(filename);
if (im)
break;
#endif
#ifdef USE_IMLIB
if (!im)
return NULL;
w=im->rgb_width; h=im->rgb_height;
if (!gdk_imlib_render(im,w,h)) {
gdk_imlib_destroy_image(im);
return NULL;
}
p=gdk_imlib_move_image(im);
gdk_imlib_destroy_image(im);
#endif
if (p) {
struct stat st;
ce=g_malloc(sizeof(struct cache_entry));
ce->p=p;
ce->name=g_strdup(name);
ce->count=cache_count;
cache_list=g_list_append(cache_list,ce);
stat(filename,&st);
ce->mtime=st.st_mtime;
if (mtime)
*mtime=ce->mtime;
} else {
if (!stat(filename,&st)) {
if (mtime)
*mtime=st.st_mtime;
return NULL;
}
}
return p;
}
