diff options
| -rw-r--r-- | editors/vi.c | 110 |
1 files changed, 68 insertions, 42 deletions
diff --git a/editors/vi.c b/editors/vi.c index 97ca802..cd64aac 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -104,61 +104,87 @@ static int vi_setops; #define err_method (vi_setops & VI_ERR_METHOD) -static int editing; // >0 while we are editing a file -static int cmd_mode; // 0=command 1=insert 2=replace -static int file_modified; // buffer contents changed -static int last_file_modified = -1; -static int fn_start; // index of first cmd line file name -static int save_argc; // how many file names on cmd line -static int cmdcnt; // repetition count -static int rows, columns; // the terminal screen is this size -static int crow, ccol, offset; // cursor is on Crow x Ccol with Horz Ofset -static char *status_buffer; // mesages to the user +static smallint editing; // >0 while we are editing a file + // [code audit says "can be 0 or 1 only"] +static smallint cmd_mode; // 0=command 1=insert 2=replace +static smallint file_modified; // buffer contents changed +static smallint last_file_modified = -1; +static int fn_start; // index of first cmd line file name +static int save_argc; // how many file names on cmd line +static int cmdcnt; // repetition count +static int rows, columns; // the terminal screen is this size +static int crow, ccol, offset; // cursor is on Crow x Ccol with Horz Ofset +static char *status_buffer; // mesages to the user #define STATUS_BUFFER_LEN 200 static int have_status_msg; // is default edit status needed? + // [don't make smallint!] static int last_status_cksum; // hash of current status line -static char *cfn; // previous, current, and next file name -static char *text, *end; // pointers to the user data in memory -static char *screen; // pointer to the virtual screen buffer -static int screensize; // and its size -static char *screenbegin; // index into text[], of top line on the screen -static char *dot; // where all the action takes place +static char *cfn; // previous, current, and next file name +//static char *text, *end; // pointers to the user data in memory +static char *screen; // pointer to the virtual screen buffer +static int screensize; // and its size +static char *screenbegin; // index into text[], of top line on the screen +//static char *dot; // where all the action takes place static int tabstop; -static struct termios term_orig, term_vi; // remember what the cooked mode was static char erase_char; // the users erase character static char last_input_char; // last char read from user static char last_forward_char; // last char searched for with 'f' +#if ENABLE_FEATURE_VI_READONLY +static smallint vi_readonly, readonly; +#endif +#if ENABLE_FEATURE_VI_DOT_CMD +static smallint adding2q; // are we currently adding user input to q +static char *last_modifying_cmd; // last modifying cmd for "." +static char *ioq, *ioq_start; // pointer to string for get_one_char to "read" +#endif #if ENABLE_FEATURE_VI_OPTIMIZE_CURSOR static int last_row; // where the cursor was last moved to #endif -#if ENABLE_FEATURE_VI_USE_SIGNALS -static jmp_buf restart; // catch_sig() -#endif #if ENABLE_FEATURE_VI_USE_SIGNALS || ENABLE_FEATURE_VI_CRASHME static int my_pid; #endif -#if ENABLE_FEATURE_VI_DOT_CMD -static int adding2q; // are we currently adding user input to q -static char *last_modifying_cmd; // last modifying cmd for "." -static char *ioq, *ioq_start; // pointer to string for get_one_char to "read" -#endif #if ENABLE_FEATURE_VI_DOT_CMD || ENABLE_FEATURE_VI_YANKMARK -static char *modifying_cmds; // cmds that modify text[] -#endif -#if ENABLE_FEATURE_VI_READONLY -static int vi_readonly, readonly; -#endif -#if ENABLE_FEATURE_VI_YANKMARK -static char *reg[28]; // named register a-z, "D", and "U" 0-25,26,27 -static int YDreg, Ureg; // default delete register and orig line for "U" -static char *mark[28]; // user marks points somewhere in text[]- a-z and previous context '' -static char *context_start, *context_end; +static char *modifying_cmds; // cmds that modify text[] #endif #if ENABLE_FEATURE_VI_SEARCH static char *last_search_pattern; // last pattern from a '/' or '?' search #endif +/* Moving biggest data to malloced space... */ +struct globals { + /* many references - keep near the top of globals */ + char *text, *end; // pointers to the user data in memory + char *dot; // where all the action takes place +#if ENABLE_FEATURE_VI_YANKMARK + char *reg[28]; // named register a-z, "D", and "U" 0-25,26,27 + int YDreg, Ureg; // default delete register and orig line for "U" + char *mark[28]; // user marks points somewhere in text[]- a-z and previous context '' + char *context_start, *context_end; +#endif + /* a few references only */ +#if ENABLE_FEATURE_VI_USE_SIGNALS + jmp_buf restart; // catch_sig() +#endif + struct termios term_orig, term_vi; // remember what the cooked mode was +#if ENABLE_FEATURE_VI_COLON + char *initial_cmds[3]; // currently 2 entries, NULL terminated +#endif +}; +#define G (*ptr_to_globals) +#define text (G.text ) +#define end (G.end ) +#define dot (G.dot ) +#define reg (G.reg ) +#define YDreg (G.YDreg ) +#define Ureg (G.Ureg ) +#define mark (G.mark ) +#define context_start (G.context_start ) +#define context_end (G.context_end ) +#define restart (G.restart ) +#define term_orig (G.term_orig ) +#define term_vi (G.term_vi ) +#define initial_cmds (G.initial_cmds ) static void edit_file(char *); // edit one file static void do_cmd(char); // execute a command @@ -258,9 +284,6 @@ static void crash_dummy(); static void crash_test(); static int crashme = 0; #endif -#if ENABLE_FEATURE_VI_COLON -static char *initial_cmds[] = { NULL, NULL , NULL }; // currently 2 entries, NULL terminated -#endif static void write1(const char *out) @@ -280,6 +303,9 @@ int vi_main(int argc, char **argv) #if ENABLE_FEATURE_VI_USE_SIGNALS || ENABLE_FEATURE_VI_CRASHME my_pid = getpid(); #endif + + PTR_TO_GLOBALS = xzalloc(sizeof(G)); + #if ENABLE_FEATURE_VI_CRASHME srand((long) my_pid); #endif @@ -350,11 +376,11 @@ int vi_main(int argc, char **argv) //----- This is the main file handling loop -------------- if (optind >= argc) { - editing = 1; // 0= exit, 1= one file, 2= multiple files + editing = 1; // 0= exit, 1= one file, 2 = multiple files edit_file(0); } else { for (; optind < argc; optind++) { - editing = 1; // 0=exit, 1=one file, 2+ =many files + editing = 1; // 0=exit, 1=one file, 2+ = many files free(cfn); cfn = xstrdup(argv[optind]); edit_file(cfn); @@ -913,7 +939,7 @@ static void colon(char * buf) #endif ch = file_insert(fn, q, file_size(fn)); #if ENABLE_FEATURE_VI_READONLY - readonly= l; + readonly = l; #endif if (ch < 0) goto vc1; // nothing was inserted @@ -1054,7 +1080,7 @@ static void colon(char * buf) fn = args; } #if ENABLE_FEATURE_VI_READONLY - if ((vi_readonly || readonly) && ! useforce) { + if ((vi_readonly || readonly) && !useforce) { psbs("\"%s\" File is read only", fn); goto vc3; } |