static void scan_block(void)
{
char base[PATH_SIZE];
DIR *dir;
struct dirent *dent;
strlcpy(base, "/sys/block", sizeof(base));
dir = opendir(base);
if (dir != NULL) {
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
char dirname[PATH_SIZE];
DIR *dir2;
struct dirent *dent2;
if (dent->d_name[0] == '.')
continue;
strlcpy(dirname, base, sizeof(dirname));
strlcat(dirname, "/", sizeof(dirname));
strlcat(dirname, dent->d_name, sizeof(dirname));
if (device_list_insert(dirname) != 0)
continue;
/* look for partitions */
dir2 = opendir(dirname);
if (dir2 != NULL) {
for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
char dirname2[PATH_SIZE];
if (dent2->d_name[0] == '.')
continue;
if (!strcmp(dent2->d_name,"device"))
continue;
strlcpy(dirname2, dirname, sizeof(dirname2));
strlcat(dirname2, "/", sizeof(dirname2));
strlcat(dirname2, dent2->d_name, sizeof(dirname2));
device_list_insert(dirname2);
}
closedir(dir2);
}
}
closedir(dir);
}
}
static void scan_subsystem(const char *subsys)
{
char base[PATH_SIZE];
DIR *dir;
struct dirent *dent;
strlcpy(base, "/sys/", sizeof(base));
strlcat(base, subsys, sizeof(base));
dir = opendir(base);
if (dir != NULL) {
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
char dirname[PATH_SIZE];
DIR *dir2;
struct dirent *dent2;
if (dent->d_name[0] == '.')
continue;
strlcpy(dirname, base, sizeof(dirname));
strlcat(dirname, "/", sizeof(dirname));
strlcat(dirname, dent->d_name, sizeof(dirname));
strlcat(dirname, "/devices", sizeof(dirname));
/* look for devices */
dir2 = opendir(dirname);
if (dir2 != NULL) {
for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
char dirname2[PATH_SIZE];
if (dent2->d_name[0] == '.')
continue;
strlcpy(dirname2, dirname, sizeof(dirname2));
strlcat(dirname2, "/", sizeof(dirname2));
strlcat(dirname2, dent2->d_name, sizeof(dirname2));
device_list_insert(dirname2);
}
closedir(dir2);
}
}
closedir(dir);
}
}
static void scan_subdir(const char *base, const char *subdir,
bool insert, int depth)
{
DIR *dir;
struct dirent *dent;
dir = opendir(base);
if (dir == NULL)
return;
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
char dirname[PATH_SIZE];
if (dent->d_name[0] == '.')
continue;
strlcpy(dirname, base, sizeof(dirname));
strlcat(dirname, "/", sizeof(dirname));
strlcat(dirname, dent->d_name, sizeof(dirname));
if (insert) {
int err;
err = device_list_insert(dirname);
if (err)
continue;
}
if (subdir)
strlcat(dirname, subdir, sizeof(base));
if (depth)
scan_subdir(dirname, NULL, true, depth - 1);
}
closedir(dir);
}
