Add 'find' command to cgpt, to search for partitions by UUID.

cgpt/cgpt.c

 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * Utility for ChromeOS-specific GPT partitions, Please see corresponding .c
  * files for more details.
  */
 
 #include "cgpt.h"
 
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 
 
 const char* progname;
 const char* command;
 
 struct {
   const char *name;
   int (*fp)(int argc, char *argv[]);
   const char *comment;
 } cmds[] = {
   {"create", cmd_create, "Create or reset GPT headers and tables"},
   {"add", cmd_add, "Add, edit or remove a partition entry"},
   {"show", cmd_show, "Show partition table and entries"},
   {"repair", cmd_repair, "Repair damaged GPT headers and tables"},
   {"boot", cmd_boot, "Edit the PMBR sector for legacy BIOSes"},
+  {"find", cmd_find, "Locate a partition by its GUID"},
 };
 
 
 void Usage(void) {
   int i;
 
   printf("Usage: %s COMMAND [OPTIONS] DRIVE\n\n"
          "Supported COMMANDs:\n\n",
          progname);
 
@@ skipping 27 matching lines @@
     if (0 == strcmp(cmds[i].name, command)) {
       return cmds[i].fp(argc, argv);
     }
   }
 
   // Couldn't find the command.
   Usage();
 
   return CGPT_FAILED;
 }