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FishMarket 1.0
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FishMarket v1.0.iso
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disk_197
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stevie
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stevie.h
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C/C++ Source or Header
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1992-05-06
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6KB
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296 lines
/*
* STEVIE - Simply Try this Editor for VI Enthusiasts
*
* Code Contributions By : Tim Thompson twitch!tjt
* Tony Andrews onecom!wldrdg!tony
* G. R. (Fred) Walter watmath!watcgl!grwalter
*/
#include "env.h"
#include <stdio.h>
#ifndef ATARI
# ifndef UNIX
# include <stdlib.h>
# endif
#endif
#include <ctype.h>
#ifndef MWC
# include <string.h>
#endif
#include "ascii.h"
#include "keymap.h"
#include "param.h"
#include "term.h"
#include "macros.h"
#ifdef AMIGA
/*
* This won't be needed if you have a version of Lattice 4.01 without broken
* break signal handling.
*/
#include <signal.h>
#endif
extern char *strchr();
#define NORMAL 0
#define CMDLINE 1
#define INSERT 2
#define APPEND 3
#define UNDO 4
#define REDO 5
#define PUT 6
#define FORWARD 7
#define BACKWARD 8
#define VALID 9
#define NOT_VALID 10
#define VALID_TO_CURSCHAR 11
/*
* Boolean type definition and constants
*/
typedef int bool_t;
#ifndef TRUE
#define FALSE (0)
#define TRUE (1)
#endif
#define SORTOF (2)
#define YES TRUE
#define NO FALSE
#define MAYBE SORTOF
/*
* Maximum screen dimensions
*/
#define MAX_COLUMNS 140L
/*
* Buffer sizes
*/
#define CMDBUFFSIZE MAX_COLUMNS /* size of the command processing buffer */
#define LSIZE 512 /* max. size of a line in the tags file */
#define IOSIZE (1024+1) /* file i/o and sprintf buffer size */
#define YANKSIZE 5200 /* yank buffer size */
#define INSERT_SIZE 5300 /* insert, redo and undo buffer size must be
* bigger than YANKSIZE */
#define REDO_UNDO_SIZE 5400 /* redo, undo and (undo an undo) buffer size
* must be bigger than INSERT_SIZE */
#define READSIZE 5500 /* read buffer size must be bigger than
* YANKSIZE and REDO_UNDO_SIZE */
/*
* SLOP is the amount of extra space we get for text on a line during editing
* operations that need more space. This keeps us from calling alloc every
* time we get a character during insert mode. No extra space is allocated
* when the file is initially read.
*/
#define SLOP 10
/*
* LINEINC is the gap we leave between the artificial line numbers. This
* helps to avoid renumbering all the lines every time a new line is
* inserted.
*
* Since line numbers are stored in longs (32 bits), a LINEINC of 10000
* lets us have > 200,000 lines and we won't have to renumber very often.
*/
#define LINEINC 10000
#define CHANGED { Changed = TRUE; }
#define UNCHANGED { Changed = FALSE; }
struct line {
struct line *next; /* next line */
struct line *prev; /* previous line */
char *s; /* text for this line */
int size; /* actual size of space at 's' */
unsigned long num; /* line "number" */
};
#define LINEOF(x) ((x)->linep->num)
struct lptr {
struct line *linep; /* line we're referencing */
int index; /* position within that line */
};
typedef struct line LINE;
typedef struct lptr LPtr;
struct charinfo {
char ch_size;
char *ch_str;
};
extern struct charinfo chars[];
extern int State;
extern int Rows;
extern int Columns;
extern char *Realscreen;
extern char *Nextscreen;
extern int NumLineSizes;
extern LINE **LinePointers;
extern char *LineSizes;
extern char *Filename;
extern LPtr *Filemem;
extern LPtr *Filetop;
extern LPtr *Fileend;
extern LPtr *Topchar;
extern LPtr *Botchar;
extern LPtr *Curschar;
extern LPtr *Insstart;
extern int Cursrow, Curscol, Cursvcol, Curswant;
extern bool_t set_want_col;
extern int Prenum;
extern bool_t Changed;
extern bool_t RedrawingDisabled;
extern bool_t MustRedrawLine;
extern bool_t MustRedrawScreen;
extern bool_t UndoInProgress;
extern bool_t Binary;
extern char *IObuff;
extern char *Insbuffptr;
extern char *Insbuff;
extern char *Readbuffptr;
extern char *Readbuff;
extern char *Redobuffptr;
extern char *Redobuff;
extern char *Undobuffptr;
extern char *Undobuff;
extern char *UndoUndobuffptr;
extern char *UndoUndobuff;
extern char *Yankbuffptr;
extern char *Yankbuff;
extern char last_command;
extern char last_command_char;
extern char *strcpy();
/* alloc.c */
char *alloc();
char *strsave();
void screenalloc(), filealloc(), freeall();
LINE *newline();
bool_t canincrease();
/* cmdline.c */
void readcmdline();
void dotag();
void msg(), emsg(), smsg();
void gotocmdline();
void wait_return();
/* dec.c */
int dec();
/* edit.c */
void edit(), insertchar(), getout(), scrollup(), scrolldown(), beginline();
bool_t oneright(), oneleft(), oneup(), onedown();
/* fileio.c */
void filemess(), renum();
bool_t readfile(), writeit();
/* updateNs.c */
void updateNextscreen();
/* updateRs.c */
void updateRealscreen();
/* help.c */
bool_t help();
/* inc.c */
int inc();
/* linefunc.c */
LPtr *nextline(), *prevline(), *coladvance();
/* main.c */
void stuffReadbuff();
void stuffnumReadbuff();
char vgetc();
char vpeekc();
/* mark.c */
void setpcmark(), clrall(), clrmark();
bool_t setmark();
LPtr *getmark();
/* misccmds.c */
bool_t OpenForward();
bool_t OpenBackward();
void fileinfo(), inschar(), insstr(), delline();
bool_t delchar();
int cntllines(), plines();
LPtr *gotoline();
/* normal.c */
void normal();
void ResetBuffers();
void AppendToInsbuff();
void AppendToRedobuff();
void AppendNumberToRedobuff();
void AppendToUndobuff();
void AppendNumberToUndobuff();
void AppendPositionToUndobuff();
void AppendToUndoUndobuff();
void AppendNumberToUndoUndobuff();
void AppendPositionToUndoUndobuff();
bool_t linewhite();
/* mk.c */
char *mkstr();
char *mkline();
/* param.c */
void doset();
/* screen.c */
void nexttoscreen();
void updateline();
void redrawline();
void screenclear();
void cursupdate();
void prt_line();
void s_del();
void s_ins();
/* search.c */
void doglob();
void dosub();
void searchagain();
bool_t dosearch();
bool_t repsearch();
bool_t searchc(), crepsearch(), findfunc();
LPtr *showmatch();
LPtr *fwd_word(), *bck_word(), *end_word();
/*
* Machine-dependent routines.
*/
#ifdef AMIGA
# include "amiga.h"
#endif
#ifdef BSD
# include "bsd.h"
#endif
#ifdef UNIX
# include "unix.h"
#endif
#ifdef TOS
# include "tos.h"
#endif
#ifdef OS2
# include "os2.h"
#endif
#ifdef DOS
# include "dos.h"
#endif