/*
 *  nl_types.h
 *
 *  AMENDMENT HISTORY
 *  ~~~~~~~~~~~~~~~~~
 *  25 Mar 95   DJW   - First version for C68 on QDOS/SMS
 */


#ifndef _NL_TYPES_H
#define _NL_TYPES_H

/*
 * allow for limits.h
 */
#ifndef NL_SETMAX
#define NL_SETMAX   1024
#define NL_MSGMAX   32767
#define NL_TEXTMAX  1024
#endif

#define NL_MAXPATHLEN   34
#define NL_PATH         "NLSPATH"
#define NL_LANG         "LANG"
#define NL_DEF_LANG     "english"
#define NL_SETD         1
#define NL_MAX_OPENED   10


/*
 * gencat internal structures
 */
struct cat_msg {
  int msg_nr;               /* The message number */
  int msg_len;              /* The actual message len */
  long msg_off;             /* The message offset in the temporary file */
  char *msg_ptr;            /* A pointer to the actual message */
  struct cat_msg *msg_next; /* Next element in list */
};

struct cat_set {
  int set_nr;               /* The set number */
  int set_msg_nr;           /* The number of messages in the set */
  struct cat_msg *set_msg;  /* The associated message list */
  struct cat_set *set_next; /* Next set in list */
};


/*
 * mkmsgs format set
 * information
 */
struct m_cat_set {
  int first_msg;    /* The first message number */
  int last_msg;     /* The last message in the set */
};

/*
 * structure in file
 */
struct set_info {
    int no_sets;
    struct m_cat_set sn[1];
};

#define CMD_SET         "set"
#define CMD_SET_LEN     3
#define CMD_DELSET      "delset"
#define CMD_DELSET_LEN  6
#define CMD_QUOTE       "quote"
#define CMD_QUOTE_LEN   5

#define XOPEN_DIRECTORY "/usr/lib/locale/Xopen/LC_MESSAGES"
#define DFLT_MSG        "\01"   
#define M_EXTENSION     ".m"
/*
 * Default search pathname
 */
#define DEF_NLSPATH     "./%N"

struct cat_hdr {
  long hdr_magic;       /* The magic number */
  int hdr_set_nr;       /* Set nr in file */
  int hdr_mem;          /* The space needed to load the file */
  long hdr_off_msg_hdr; /* Position of messages headers in file */
  long hdr_off_msg;     /* Position of messages in file */
};

struct cat_set_hdr {
  int shdr_set_nr;      /* The set number */
  int shdr_msg_nr;      /* Number of messages in set */
  int shdr_msg;         /* Start offset of messages in messages list */
};

struct cat_msg_hdr{
  int msg_nr;           /* The messge number */
  int msg_len;          /* message len */
  int msg_ptr;          /* message offset in table */
};

#define CAT_MAGIC   0xFF88FF89

typedef int nl_item ;

typedef struct {
  char type;
  int  set_nr;
  union {
    struct malloc_data {
      struct cat_set_hdr *sets;
      struct cat_msg_hdr *msgs;
      char *data;
    } m;
    struct gettxt_data {
      struct set_info *sets;
      int size;
      int fd;
      char *link;
    } g;
 } info;
} nl_catd_t;

typedef nl_catd_t *nl_catd;

/*
 * type fields for nl_catd_t
 */
#define MKMSGS  'M' /* mkmsgs interfaces */
#define MALLOC  'm' /* old style malloc  */

#define BIN_MKMSGS  "mkmsgs"

/*
 *  Function definitions
 */

#ifdef __STDC__
#define _P_(params) params
#else
#define _P_(params) ()
#endif

int     catclose    _P_((nl_catd));
char *  catgets     _P_((nl_catd, int, int, char *));
nl_catd catopen     _P_((const char *, int));

char *  gettxt      _P_((const char *, const char *));

#undef _P_

#endif /* _NL_TYPES_H */