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 #ifndef VER
  31 #define VER ""
  32 #endif
  33
  34 #define SEARCH_BLK 65536               /* so can this */
  35 #define SAVE_BLKSIZ 32768              /* and this too */
  36
  37 #define COL_BUFFER 0                   /* normal buffer colour */
  38 #define COL_SELECT 1                   /* selected-area colour */
  39 #define COL_STATUS 2                   /* status-line colour */
  40 #define COL_ESCAPE 3                   /* escape sequences in minibuffer */
  41 #define COL_INVALID 4                  /* invalid escape sequence in m/b */
  42 #define COL_MINIBUF COL_BUFFER         /* these should be the same */
  43
  44 #define NULL4   NULL,  NULL,  NULL,  NULL
  45 #define NULL16  NULL4, NULL4, NULL4, NULL4
  46 #define NULL64  NULL16,NULL16,NULL16,NULL16
  47 #define NULL256 NULL64,NULL64,NULL64,NULL64
  48
  49 #include <stdio.h>
  50
  51 #ifdef NO_LARGE_FILES
  52 typedef int fileoffset_t;              /* used for all file offsets */
  53 #define OFF
  54 #define ATOOFF atoi
  55 #define STRTOOFF strtol
  56 #define fseeko fseek
  57 #define ftello ftell
  58 #else
  59 typedef long long fileoffset_t;        /* used for all file offsets */
  60 #define OFF "ll"
  61 #define ATOOFF atoll
  62 #define STRTOOFF strtoll
  63 #endif
  64
  65 typedef int (*DFA)[256];
  66 typedef struct {
  67     int len;
  68     DFA forward, reverse;
  69 } Search;
  70
  71 typedef void (*keyact) (void);
  72
  73 typedef struct buffer buffer;
  74
  75 extern char toprint[256], hex[256][3], message[512];
  76 extern char decstatus[], hexstatus[], *statfmt;
  77 extern char last_char, *pname, *filename;
  78 extern buffer *filedata, *cutbuffer;
  79 extern int fix_mode, look_mode, insert_mode, edit_type, finished, marking;
  80 extern fileoffset_t file_size, top_pos, cur_pos, mark_point;
  81 extern int scrlines, modified, new_file;
  82 extern fileoffset_t width, offset, realoffset;
  83 extern int ascii_enabled;
  84
  85 #ifdef unix
  86 extern volatile int safe_update, update_required;
  87 extern void update (void);
  88 #endif
  89
  90 extern void fix_offset(void);
  91 extern fileoffset_t parse_num (char *buffer, int *error);
  92
  93 extern void draw_scr (void);
  94 extern int backup_file (void);
  95 extern int save_file (void);
  96
  97 extern void act_self_ins (void);
  98 extern keyact parse_action (char *);
  99
 100 extern void proc_key (void);
 101 extern void bind_key (char *, int, keyact);
 102
 103 extern Search *build_search (char *, int);
 104 void free_search(Search *s);
 105
 106 extern int get_str (char *, char *, int);
 107 extern int parse_quoted (char *);
 108 extern void suspend (void);
 109
 110 extern void read_rc (void);
 111 extern void write_default_rc (void);
 112
 113 extern buffer *buf_new_empty(void);
 114 extern buffer *buf_new_from_file(FILE *fp);
 115 extern void buf_free(buffer *buf);
 116
 117 extern void buf_insert_data(buffer *buf, void *data, int len,
 118                             fileoffset_t pos);
 119 extern void buf_fetch_data(buffer *buf, void *data, int len, fileoffset_t pos);
 120 extern void buf_overwrite_data(buffer *buf, void *data, int len,
 121                                fileoffset_t pos);
 122 extern void buf_delete(buffer *buf, fileoffset_t len, fileoffset_t pos);
 123 extern buffer *buf_cut(buffer *buf, fileoffset_t len, fileoffset_t pos);
 124 extern buffer *buf_copy(buffer *buf, fileoffset_t len, fileoffset_t pos);
 125 extern void buf_paste(buffer *buf, buffer *cutbuffer, fileoffset_t pos);
 126 extern fileoffset_t buf_length(buffer *buf);
 127
 128 extern void display_setup(void);
 129 extern void display_cleanup(void);
 130 extern void display_beep(void);
 131 extern int display_rows, display_cols;
 132 extern void display_moveto(int y, int x);
 133 extern void display_refresh(void);
 134 extern void display_write_str(char *str);
 135 extern void display_write_chars(char *str, int len);
 136 extern void display_define_colour(int colour, int fg, int bg, int reverse);
 137 extern void display_set_colour(int colour);
 138 extern void display_clear_to_eol(void);
 139 extern int display_getkey(void);
 140 extern int display_input_to_flush(void);
 141 extern void display_post_error(void);
 142 extern void display_recheck_size(void);
 143
 144 #endif /* TWEAK_TWEAK_H */