bfin-rets-insn/initramfs.i.2

   1 typedef int (*initcall_t) (void);
   2 typedef long long __kernel_loff_t;
   3 typedef __kernel_loff_t loff_t;
   4 static
   5 char *message;
   6 static void  error(char *x)
   7 {
   8         if (!message)
   9                 message = x;
  10 }
  11
  12 static
  13 enum state {
  14         Start, Collect, GotHeader, SkipIt, GotName, CopyFile, GotSymlink, Reset
  15 } state, next_state;
  16 static
  17 loff_t this_header, next_header;
  18 static
  19 char *collected;
  20 static int  do_start(void)
  21 {
  22 }
  23 static int  do_collect(void)
  24 {
  25 }
  26 static int  do_header(void)
  27 {
  28         if (memcmp(collected, "070707", 6) == 0) {
  29                 error("incorrect cpio method used: use -H newc option");
  30         }
  31 }
  32 static int  do_skip(void)
  33 {
  34 }
  35 static int  do_reset(void)
  36 {
  37 }
  38 static int  do_name(void)
  39 {
  40 }
  41 static int  do_copy(void)
  42 {
  43 }
  44 static int  do_symlink(void)
  45 {
  46 }
  47 static
  48 int (*actions[]) (void) =
  49 {
  50 [Start] = do_start,[Collect] = do_collect,[GotHeader] =
  51             do_header,[SkipIt] = do_skip,[GotName] =
  52             do_name,[CopyFile] = do_copy,[GotSymlink] =
  53             do_symlink,[Reset] = do_reset,};
  54 static int
  55      write_buffer(char *buf,
  56                                                              unsigned len)
  57 {
  58         while (!actions[state] ()) ;
  59 }
  60 static char *
  61      unpack_to_rootfs(char *buf,
  62                                                                  unsigned len,
  63                                                                  int check_only)
  64 {
  65         int written;
  66         while (!message && len) {
  67                 if (*buf == '0' && !(this_header & 3)) {
  68                         written = write_buffer(buf, len);
  69                 }
  70                 if (state != Reset)
  71                         error("junk in gzipped archive");
  72         }
  73 }
  74 extern char __initramfs_start[], __initramfs_end[];
  75 static int  populate_rootfs(void)
  76 {
  77         char *err =
  78             unpack_to_rootfs(__initramfs_start,
  79                              __initramfs_end - __initramfs_start, 0);
  80 }
  81 static initcall_t __initcall_populate_rootfsrootfs __attribute__ ((__used__))
  82 =
  83     populate_rootfs;