/* IconType - a program to change the type of icon. Useful for changing
 *            an icon's type after editing with IconEd.
 *
 * Icon types are Disk, Drawer, Tool, Project, Garbage, and Device
 *
 * Syntax: icontype <filename> <type>
 *
 * Example: icontype test.info project
 *          (changes the icon "test.info" to a project icon)
 *
 * by: Larry Phillips, CIS 76703,4322
 */

#include "exec/types.h"
#include "exec/nodes.h"
#include "exec/lists.h"
#include "exec/libraries.h"
#include "exec/ports.h"
#include "exec/interrupts.h"
#include "exec/io.h"
#include "exec/memory.h"
#include "libraries/dos.h"
#include "libraries/dosextens.h"

extern struct FileHandle *Open();

main (argc,argv)
int argc;
char *argv[];

{
  struct FileHandle *file;
  unsigned char buf;
  static char *type[7] = { "","disk","drawer","tool","project","garbage","device" };
  if ((argc < 3)||(argc > 3))
   {
    puts("Usage: IconType <filename> <type>\nTypes are disk, drawer, tool, project, garbage, device.");
   }
  else
   {
    if ((file = Open(argv[1],MODE_OLDFILE))==0)
      {
        puts ("Unable to open icon file.");
        exit(205);
      }

    Read (file,&buf,1L);

    if (buf == 0xE3)
      {
        Read (file,&buf,1L);
        if (buf == 0x10)
          {
            Seek (file, 48L,(long) OFFSET_BEGINNING);
            tolower (argv[2]);
            for (buf = 1;buf < 7;buf++)
               if (strcmp(argv[2],type[buf])==0)
                 {
                   Write (file,&buf,1L);
                   break;
                 }
            if (buf == 7) puts ("Invalid icon type.");
          }
        else puts ("Not an icon file.");
      }
    else puts ("Not an icon file.");

    Close (file);
  }
}