mdw@git.distorted.org.uk Git - sgt/tweak/blob - tweak.h

   1 #ifndef TWEAK_TWEAK_H
   2 #define TWEAK_TWEAK_H
   3
   4 #ifndef NO_LARGE_FILES
   5
   6 #ifndef _LARGEFILE_SOURCE
   7 #define _LARGEFILE_SOURCE
   8 #endif
   9 #ifndef _FILE_OFFSET_BITS
  10 #define _FILE_OFFSET_BITS 64
  11 #endif
  12
  13 #endif
  14
  15 #ifndef FALSE
  16 #define FALSE 0
  17 #endif
  18 #ifndef TRUE
  19 #define TRUE 1
  20 #endif
  21
  22 #define EVER ;;
  23
  24 #ifdef MSDOS
  25 #define ABORT 34                       /* scan code for ^G */
  26 #else
  27 #define ABORT 7                        /* character code for ^G */
  28 #endif
  29
  30 #define VER "3.00"                     /* version */
  31
  32 #define SEARCH_BLK 65536               /* so can this */
  33 #define SAVE_BLKSIZ 32768              /* and this too */
  34
  35 #define COL_BUFFER 0                   /* normal buffer colour */
  36 #define COL_SELECT 1                   /* selected-area colour */
  37 #define COL_STATUS 2                   /* status-line colour */
  38 #define COL_ESCAPE 3                   /* escape sequences in minibuffer */
  39 #define COL_INVALID 4                  /* invalid escape sequence in m/b */
  40 #define COL_MINIBUF COL_BUFFER         /* these should be the same */
  41
  42 #define NULL4   NULL,  NULL,  NULL,  NULL
  43 #define NULL16  NULL4, NULL4, NULL4, NULL4
  44 #define NULL64  NULL16,NULL16,NULL16,NULL16
  45 #define NULL256 NULL64,NULL64,NULL64,NULL64
  46
  47 #include <stdio.h>
  48
  49 #ifdef NO_LARGE_FILES
  50 typedef int fileoffset_t;              /* used for all file offsets */
  51 #define OFF
  52 #define ATOOFF atoi
  53 #define STRTOOFF strtol
  54 #define fseeko fseek
  55 #define ftello ftell
  56 #else
  57 typedef long long fileoffset_t;        /* used for all file offsets */
  58 #define OFF "ll"
  59 #define ATOOFF atoll
  60 #define STRTOOFF strtoll
  61 #endif
  62
  63 typedef int (*DFA)[256];
  64 typedef struct {
  65     int len;
  66     DFA forward, reverse;
  67 } Search;
  68
  69 typedef void (*keyact) (void);
  70
  71 typedef struct buffer buffer;
  72
  73 extern char toprint[256], hex[256][3], message[80];
  74 extern char decstatus[], hexstatus[], *statfmt;
  75 extern char last_char, *pname, *filename;
  76 extern buffer *filedata, *cutbuffer;
  77 extern int fix_mode, look_mode, insert_mode, edit_type, finished, marking;
  78 extern fileoffset_t file_size, top_pos, cur_pos, mark_point;
  79 extern int scrlines, modified, new_file;
  80 extern fileoffset_t width, offset, realoffset;
  81 extern int ascii_enabled;
  82
  83 #ifdef unix
  84 extern volatile int safe_update, update_required;
  85 extern void update (void);
  86 #endif
  87
  88 extern void fix_offset(void);
  89 extern fileoffset_t parse_num (char *buffer, int *error);
  90
  91 extern void draw_scr (void);
  92 extern int backup_file (void);
  93 extern int save_file (void);
  94
  95 extern void act_self_ins (void);
  96 extern keyact parse_action (char *);
  97
  98 extern void proc_key (void);
  99 extern void bind_key (char *, int, keyact);
 100
 101 extern Search *build_search (char *, int);
 102 void free_search(Search *s);
 103
 104 extern int get_str (char *, char *, int);
 105 extern int parse_quoted (char *);
 106 extern void suspend (void);
 107
 108 extern void read_rc (void);
 109 extern void write_default_rc (void);
 110
 111 extern buffer *buf_new_empty(void);
 112 extern buffer *buf_new_from_file(FILE *fp);
 113 extern void buf_free(buffer *buf);
 114
 115 extern void buf_insert_data(buffer *buf, void *data, int len,
 116                             fileoffset_t pos);
 117 extern void buf_fetch_data(buffer *buf, void *data, int len, fileoffset_t pos);
 118 extern void buf_overwrite_data(buffer *buf, void *data, int len,
 119                                fileoffset_t pos);
 120 extern void buf_delete(buffer *buf, fileoffset_t len, fileoffset_t pos);
 121 extern buffer *buf_cut(buffer *buf, fileoffset_t len, fileoffset_t pos);
 122 extern buffer *buf_copy(buffer *buf, fileoffset_t len, fileoffset_t pos);
 123 extern void buf_paste(buffer *buf, buffer *cutbuffer, fileoffset_t pos);
 124 extern fileoffset_t buf_length(buffer *buf);
 125
 126 extern void display_setup(void);
 127 extern void display_cleanup(void);
 128 extern void display_beep(void);
 129 extern int display_rows, display_cols;
 130 extern void display_moveto(int y, int x);
 131 extern void display_refresh(void);
 132 extern void display_write_str(char *str);
 133 extern void display_write_chars(char *str, int len);
 134 extern void display_define_colour(int colour, int fg, int bg, int reverse);
 135 extern void display_set_colour(int colour);
 136 extern void display_clear_to_eol(void);
 137 extern int display_getkey(void);
 138 extern int display_input_to_flush(void);
 139 extern void display_post_error(void);
 140 extern void display_recheck_size(void);
 141
 142 #endif /* TWEAK_TWEAK_H */