#include <sys/stat.h>
#include <sys/types.h>
#include <sys/mount.h>
-#include <sys/syscall.h>
#include <asm/byteorder.h>
static bool keep_sysupgrade;
-static ssize_t
-fs_getxattr(const char *path, const char *name, void *value, size_t size)
-{
- return syscall(__NR_getxattr, path, name, value, size);
-}
-
-static ssize_t
-fs_setxattr(const char *path, const char *name, const void *value, size_t size, int flags)
-{
- return syscall(__NR_setxattr, path, name, value, size, flags);
-}
-
static int
handle_rmdir(const char *dir)
{
void
foreachdir(const char *dir, int (*cb)(const char*))
{
+ struct stat s = { 0 };
char globdir[256];
glob_t gl;
int j;
snprintf(globdir, 256, "%s/*", dir); /**/
if (!glob(globdir, GLOB_NOESCAPE | GLOB_MARK | GLOB_ONLYDIR, NULL, &gl))
- for (j = 0; j < gl.gl_pathc; j++)
- foreachdir(gl.gl_pathv[j], cb);
+ for (j = 0; j < gl.gl_pathc; j++) {
+ char *dir = gl.gl_pathv[j];
+ int len = strlen(gl.gl_pathv[j]);
+
+ if (len > 1 && dir[len - 1] == '/')
+ dir[len - 1] = '\0';
+ if (!lstat(gl.gl_pathv[j], &s) && !S_ISLNK(s.st_mode))
+ foreachdir(gl.gl_pathv[j], cb);
+ }
cb(dir);
}
return -1;
}
- return -1;
+ return 0;
}
enum fs_state fs_state_get(const char *dir)
{
+ char *path;
+ char valstr[16];
uint32_t val;
+ ssize_t len;
- if (fs_getxattr(dir, "user.fs_state", &val, sizeof(val)) != sizeof(val))
+ path = alloca(strlen(dir) + 1 + sizeof("/.fs_state"));
+ sprintf(path, "%s/.fs_state", dir);
+ len = readlink(path, valstr, sizeof(valstr) - 1);
+ if (len < 0)
return FS_STATE_UNKNOWN;
+ valstr[len] = 0;
+ val = atoi(valstr);
+
if (val > __FS_STATE_LAST)
return FS_STATE_UNKNOWN;
int fs_state_set(const char *dir, enum fs_state state)
{
- uint32_t val = state;
+ char valstr[16];
+ char *path;
+
+ if (fs_state_get(dir) == state)
+ return 0;
+
+ path = alloca(strlen(dir) + 1 + sizeof("/.fs_state"));
+ sprintf(path, "%s/.fs_state", dir);
+ unlink(path);
+ snprintf(valstr, sizeof(valstr), "%d", state);
- return fs_setxattr(dir, "user.fs_state", &val, sizeof(val), 0);
+ return symlink(valstr, path);
}