#ifndef URLIB_H_
#define URLIB_H_

#define URLADER "urlader"
#define URLADER_VERSION "1.0" /* a decimal number, not a version string */

#define MAX_ARGC 32   /* maximum number of arguments */
#define MAX_ARGS 256  /* maximum TOTAL length of arguments */

enum
{
  U_T_NULL, // 5
  U_T_META, // 1 : exe_id, exe_ver
  U_T_ENV,  // 2 : name, value
  U_T_ARG,  // 3 : arg
  U_T_DIR,  // 4+: path
  U_T_FILE, // 4+: path, data
  U_T_NUM
};

enum
{
  U_F_LZF  = 0x01,
  U_F_EXEC = 0x10,
  U_F_NULL = 0
};

#define TAIL_MAGIC "sChMoRPAcK_0"

struct u_pack_hdr
{
  unsigned char type;
  unsigned char flags;
  unsigned char namelen[2];
  unsigned char datalen[4];
};

#define u_16(ptr) (((ptr)[0] << 8) | (ptr)[1])
#define u_32(ptr) (((ptr)[0] << 24) | ((ptr)[1] << 16) | ((ptr)[2] << 8) | (ptr)[3])

struct u_pack_tail {
  unsigned char max_filesize[4];
  unsigned char size[4];
  char magic[12];
};

#endif