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authorGlenn L McGrath <bug1@ihug.co.nz>2002-12-02 21:18:10 +0000
committerGlenn L McGrath <bug1@ihug.co.nz>2002-12-02 21:18:10 +0000
commit09adaca37d6bd67745c1c81c598ba25006f990b4 (patch)
tree7393efda99ebc952755c2a92360c4f6c873d000a
parent06b1aeaf0ad1748a6e355df3e0e8052d613aa158 (diff)
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last_patch_69, 8 bit clean and other fixes from Vladimir N. Oleynik
Diffstat
-rw-r--r--editors/vi.c859
-rw-r--r--libbb/procps.c2
2 files changed, 451 insertions, 410 deletions
diff --git a/editors/vi.c b/editors/vi.c
index 835adb62e..8e9ecc925 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -19,7 +19,7 @@
19 */ 19 */
20 20
21static const char vi_Version[] = 21static const char vi_Version[] =
22 "$Id: vi.c,v 1.25 2002/11/28 11:27:23 aaronl Exp $"; 22 "$Id: vi.c,v 1.26 2002/12/02 21:18:08 bug1 Exp $";
23 23
24/* 24/*
25 * To compile for standalone use: 25 * To compile for standalone use:
@@ -87,6 +87,12 @@ static const char vi_Version[] =
87#include "busybox.h" 87#include "busybox.h"
88#endif /* STANDALONE */ 88#endif /* STANDALONE */
89 89
90#ifdef CONFIG_LOCALE_SUPPORT
91#define Isprint(c) isprint((c))
92#else
93#define Isprint(c) ( (c) >= ' ' && (c) != 127 && (c) != ((unsigned char)'\233') )
94#endif
95
90#ifndef TRUE 96#ifndef TRUE
91#define TRUE ((int)1) 97#define TRUE ((int)1)
92#define FALSE ((int)0) 98#define FALSE ((int)0)
@@ -116,6 +122,22 @@ static const char vi_Version[] =
116#define VI_K_FUN11 147 // Function Key F11 122#define VI_K_FUN11 147 // Function Key F11
117#define VI_K_FUN12 148 // Function Key F12 123#define VI_K_FUN12 148 // Function Key F12
118 124
125/* vt102 typical ESC sequence */
126/* terminal standout start/normal ESC sequence */
127static const char SOs[] = "\033[7m";
128static const char SOn[] = "\033[0m";
129/* terminal bell sequence */
130static const char bell[] = "\007";
131/* Clear-end-of-line and Clear-end-of-screen ESC sequence */
132static const char Ceol[] = "\033[0K";
133static const char Ceos [] = "\033[0J";
134/* Cursor motion arbitrary destination ESC sequence */
135static const char CMrc[] = "\033[%d;%dH";
136/* Cursor motion up and down ESC sequence */
137static const char CMup[] = "\033[A";
138static const char CMdown[] = "\n";
139
140
119static const int YANKONLY = FALSE; 141static const int YANKONLY = FALSE;
120static const int YANKDEL = TRUE; 142static const int YANKDEL = TRUE;
121static const int FORWARD = 1; // code depends on "1" for array index 143static const int FORWARD = 1; // code depends on "1" for array index
@@ -131,27 +153,29 @@ static const int S_END_ALNUM = 5; // used in skip_thing() for moving "dot"
131 153
132typedef unsigned char Byte; 154typedef unsigned char Byte;
133 155
156static int vi_setops;
157#define VI_AUTOINDENT 1
158#define VI_SHOWMATCH 2
159#define VI_IGNORECASE 4
160#define VI_ERR_METHOD 8
161#define autoindent (vi_setops & VI_AUTOINDENT)
162#define showmatch (vi_setops & VI_SHOWMATCH )
163#define ignorecase (vi_setops & VI_IGNORECASE)
164/* indicate error with beep or flash */
165#define err_method (vi_setops & VI_ERR_METHOD)
166
134 167
135static int editing; // >0 while we are editing a file 168static int editing; // >0 while we are editing a file
136static int cmd_mode; // 0=command 1=insert 169static int cmd_mode; // 0=command 1=insert
137static int file_modified; // buffer contents changed 170static int file_modified; // buffer contents changed
138static int err_method; // indicate error with beep or flash
139static int fn_start; // index of first cmd line file name 171static int fn_start; // index of first cmd line file name
140static int save_argc; // how many file names on cmd line 172static int save_argc; // how many file names on cmd line
141static int cmdcnt; // repetition count 173static int cmdcnt; // repetition count
142static fd_set rfds; // use select() for small sleeps 174static fd_set rfds; // use select() for small sleeps
143static struct timeval tv; // use select() for small sleeps 175static struct timeval tv; // use select() for small sleeps
144static char erase_char; // the users erase character
145static int rows, columns; // the terminal screen is this size 176static int rows, columns; // the terminal screen is this size
146static int crow, ccol, offset; // cursor is on Crow x Ccol with Horz Ofset 177static int crow, ccol, offset; // cursor is on Crow x Ccol with Horz Ofset
147static char *SOs, *SOn; // terminal standout start/normal ESC sequence
148static char *bell; // terminal bell sequence
149static char *Ceol, *Ceos; // Clear-end-of-line and Clear-end-of-screen ESC sequence
150static char *CMrc; // Cursor motion arbitrary destination ESC sequence
151static char *CMup, *CMdown; // Cursor motion up and down ESC sequence
152static Byte *status_buffer; // mesages to the user 178static Byte *status_buffer; // mesages to the user
153static Byte last_input_char; // last char read from user
154static Byte last_forward_char; // last char searched for with 'f'
155static Byte *cfn; // previous, current, and next file name 179static Byte *cfn; // previous, current, and next file name
156static Byte *text, *end, *textend; // pointers to the user data in memory 180static Byte *text, *end, *textend; // pointers to the user data in memory
157static Byte *screen; // pointer to the virtual screen buffer 181static Byte *screen; // pointer to the virtual screen buffer
@@ -160,6 +184,9 @@ static Byte *screenbegin; // index into text[], of top line on the screen
160static Byte *dot; // where all the action takes place 184static Byte *dot; // where all the action takes place
161static int tabstop; 185static int tabstop;
162static struct termios term_orig, term_vi; // remember what the cooked mode was 186static struct termios term_orig, term_vi; // remember what the cooked mode was
187static Byte erase_char; // the users erase character
188static Byte last_input_char; // last char read from user
189static Byte last_forward_char; // last char searched for with 'f'
163 190
164#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR 191#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR
165static int last_row; // where the cursor was last moved to 192static int last_row; // where the cursor was last moved to
@@ -167,6 +194,9 @@ static int last_row; // where the cursor was last moved to
167#ifdef CONFIG_FEATURE_VI_USE_SIGNALS 194#ifdef CONFIG_FEATURE_VI_USE_SIGNALS
168static jmp_buf restart; // catch_sig() 195static jmp_buf restart; // catch_sig()
169#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ 196#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */
197#if defined(CONFIG_FEATURE_VI_USE_SIGNALS) || defined(CONFIG_FEATURE_VI_CRASHME)
198static int my_pid;
199#endif
170#ifdef CONFIG_FEATURE_VI_WIN_RESIZE 200#ifdef CONFIG_FEATURE_VI_WIN_RESIZE
171static struct winsize winsize; // remember the window size 201static struct winsize winsize; // remember the window size
172#endif /* CONFIG_FEATURE_VI_WIN_RESIZE */ 202#endif /* CONFIG_FEATURE_VI_WIN_RESIZE */
@@ -181,11 +211,6 @@ static Byte *modifying_cmds; // cmds that modify text[]
181#ifdef CONFIG_FEATURE_VI_READONLY 211#ifdef CONFIG_FEATURE_VI_READONLY
182static int vi_readonly, readonly; 212static int vi_readonly, readonly;
183#endif /* CONFIG_FEATURE_VI_READONLY */ 213#endif /* CONFIG_FEATURE_VI_READONLY */
184#ifdef CONFIG_FEATURE_VI_SETOPTS
185static int autoindent;
186static int showmatch;
187static int ignorecase;
188#endif /* CONFIG_FEATURE_VI_SETOPTS */
189#ifdef CONFIG_FEATURE_VI_YANKMARK 214#ifdef CONFIG_FEATURE_VI_YANKMARK
190static Byte *reg[28]; // named register a-z, "D", and "U" 0-25,26,27 215static Byte *reg[28]; // named register a-z, "D", and "U" 0-25,26,27
191static int YDreg, Ureg; // default delete register and orig line for "U" 216static int YDreg, Ureg; // default delete register and orig line for "U"
@@ -202,7 +227,6 @@ static void do_cmd(Byte); // execute a command
202static void sync_cursor(Byte *, int *, int *); // synchronize the screen cursor to dot 227static void sync_cursor(Byte *, int *, int *); // synchronize the screen cursor to dot
203static Byte *begin_line(Byte *); // return pointer to cur line B-o-l 228static Byte *begin_line(Byte *); // return pointer to cur line B-o-l
204static Byte *end_line(Byte *); // return pointer to cur line E-o-l 229static Byte *end_line(Byte *); // return pointer to cur line E-o-l
205extern inline Byte *dollar_line(Byte *); // return pointer to just before NL
206static Byte *prev_line(Byte *); // return pointer to prev line B-o-l 230static Byte *prev_line(Byte *); // return pointer to prev line B-o-l
207static Byte *next_line(Byte *); // return pointer to next line B-o-l 231static Byte *next_line(Byte *); // return pointer to next line B-o-l
208static Byte *end_screen(void); // get pointer to last char on screen 232static Byte *end_screen(void); // get pointer to last char on screen
@@ -232,13 +256,12 @@ static Byte *text_hole_delete(Byte *, Byte *); // at "p", delete a 'size' byte h
232static Byte *text_hole_make(Byte *, int); // at "p", make a 'size' byte hole 256static Byte *text_hole_make(Byte *, int); // at "p", make a 'size' byte hole
233static Byte *yank_delete(Byte *, Byte *, int, int); // yank text[] into register then delete 257static Byte *yank_delete(Byte *, Byte *, int, int); // yank text[] into register then delete
234static void show_help(void); // display some help info 258static void show_help(void); // display some help info
235extern inline void print_literal(Byte *, Byte *); // copy s to buf, convert unprintable
236static void rawmode(void); // set "raw" mode on tty 259static void rawmode(void); // set "raw" mode on tty
237static void cookmode(void); // return to "cooked" mode on tty 260static void cookmode(void); // return to "cooked" mode on tty
238static int mysleep(int); // sleep for 'h' 1/100 seconds 261static int mysleep(int); // sleep for 'h' 1/100 seconds
239static Byte readit(void); // read (maybe cursor) key from stdin 262static Byte readit(void); // read (maybe cursor) key from stdin
240static Byte get_one_char(void); // read 1 char from stdin 263static Byte get_one_char(void); // read 1 char from stdin
241static int file_size(Byte *); // what is the byte size of "fn" 264static int file_size(const Byte *); // what is the byte size of "fn"
242static int file_insert(Byte *, Byte *, int); 265static int file_insert(Byte *, Byte *, int);
243static int file_write(Byte *, Byte *, Byte *); 266static int file_write(Byte *, Byte *, Byte *);
244static void place_cursor(int, int, int); 267static void place_cursor(int, int, int);
@@ -248,17 +271,18 @@ static void clear_to_eos(void);
248static void standout_start(void); // send "start reverse video" sequence 271static void standout_start(void); // send "start reverse video" sequence
249static void standout_end(void); // send "end reverse video" sequence 272static void standout_end(void); // send "end reverse video" sequence
250static void flash(int); // flash the terminal screen 273static void flash(int); // flash the terminal screen
251static void beep(void); // beep the terminal
252static void indicate_error(char); // use flash or beep to indicate error
253static void show_status_line(void); // put a message on the bottom line 274static void show_status_line(void); // put a message on the bottom line
254static void psb(char *, ...); // Print Status Buf 275static void psb(const char *, ...); // Print Status Buf
255static void psbs(char *, ...); // Print Status Buf in standout mode 276static void psbs(const char *, ...); // Print Status Buf in standout mode
256static void ni(Byte *); // display messages 277static void ni(Byte *); // display messages
257static void edit_status(void); // show file status on status line 278static void edit_status(void); // show file status on status line
258static void redraw(int); // force a full screen refresh 279static void redraw(int); // force a full screen refresh
259static void format_line(Byte*, Byte*, int); 280static void format_line(Byte*, Byte*, int);
260static void refresh(int); // update the terminal from screen[] 281static void refresh(int); // update the terminal from screen[]
261 282
283static void Indicate_Error(void); // use flash or beep to indicate error
284#define indicate_error(c) Indicate_Error()
285
262#ifdef CONFIG_FEATURE_VI_SEARCH 286#ifdef CONFIG_FEATURE_VI_SEARCH
263static Byte *char_search(Byte *, Byte *, int, int); // search for pattern starting at p 287static Byte *char_search(Byte *, Byte *, int, int); // search for pattern starting at p
264static int mycmp(Byte *, Byte *, int); // string cmp based in "ignorecase" 288static int mycmp(Byte *, Byte *, int); // string cmp based in "ignorecase"
@@ -269,12 +293,10 @@ static Byte *get_one_address(Byte *, int *); // get colon addr, if present
269static Byte *get_address(Byte *, int *, int *); // get two colon addrs, if present 293static Byte *get_address(Byte *, int *, int *); // get two colon addrs, if present
270static void colon(Byte *); // execute the "colon" mode cmds 294static void colon(Byte *); // execute the "colon" mode cmds
271#endif /* CONFIG_FEATURE_VI_COLON */ 295#endif /* CONFIG_FEATURE_VI_COLON */
272static Byte *get_input_line(Byte *); // get input line- use "status line"
273#ifdef CONFIG_FEATURE_VI_USE_SIGNALS 296#ifdef CONFIG_FEATURE_VI_USE_SIGNALS
274static void winch_sig(int); // catch window size changes 297static void winch_sig(int); // catch window size changes
275static void suspend_sig(int); // catch ctrl-Z 298static void suspend_sig(int); // catch ctrl-Z
276static void alarm_sig(int); // catch alarm time-outs 299static void catch_sig(int); // catch ctrl-C and alarm time-outs
277static void catch_sig(int); // catch ctrl-C
278static void core_sig(int); // catch a core dump signal 300static void core_sig(int); // catch a core dump signal
279#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ 301#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */
280#ifdef CONFIG_FEATURE_VI_DOT_CMD 302#ifdef CONFIG_FEATURE_VI_DOT_CMD
@@ -296,7 +318,6 @@ static Byte *string_insert(Byte *, Byte *); // insert the string at 'p'
296static Byte *text_yank(Byte *, Byte *, int); // save copy of "p" into a register 318static Byte *text_yank(Byte *, Byte *, int); // save copy of "p" into a register
297static Byte what_reg(void); // what is letter of current YDreg 319static Byte what_reg(void); // what is letter of current YDreg
298static void check_context(Byte); // remember context for '' command 320static void check_context(Byte); // remember context for '' command
299extern inline Byte *swap_context(Byte *); // goto new context for '' command
300#endif /* CONFIG_FEATURE_VI_YANKMARK */ 321#endif /* CONFIG_FEATURE_VI_YANKMARK */
301#ifdef CONFIG_FEATURE_VI_CRASHME 322#ifdef CONFIG_FEATURE_VI_CRASHME
302static void crash_dummy(); 323static void crash_dummy();
@@ -305,26 +326,28 @@ static int crashme = 0;
305#endif /* CONFIG_FEATURE_VI_CRASHME */ 326#endif /* CONFIG_FEATURE_VI_CRASHME */
306 327
307 328
329static void write1(const char *out)
330{
331 fputs(out, stdout);
332}
333
308extern int vi_main(int argc, char **argv) 334extern int vi_main(int argc, char **argv)
309{ 335{
310 int c; 336 int c;
337 RESERVE_CONFIG_BUFFER(STATUS_BUFFER, 200);
311 338
312#ifdef CONFIG_FEATURE_VI_YANKMARK 339#ifdef CONFIG_FEATURE_VI_YANKMARK
313 int i; 340 int i;
314#endif /* CONFIG_FEATURE_VI_YANKMARK */ 341#endif /* CONFIG_FEATURE_VI_YANKMARK */
315 342#if defined(CONFIG_FEATURE_VI_USE_SIGNALS) || defined(CONFIG_FEATURE_VI_CRASHME)
316 CMrc= "\033[%d;%dH"; // Terminal Crusor motion ESC sequence 343 my_pid = getpid();
317 CMup= "\033[A"; // move cursor up one line, same col 344#endif
318 CMdown="\n"; // move cursor down one line, same col
319 Ceol= "\033[0K"; // Clear from cursor to end of line
320 Ceos= "\033[0J"; // Clear from cursor to end of screen
321 SOs = "\033[7m"; // Terminal standout mode on
322 SOn = "\033[0m"; // Terminal standout mode off
323 bell= "\007"; // Terminal bell sequence
324#ifdef CONFIG_FEATURE_VI_CRASHME 345#ifdef CONFIG_FEATURE_VI_CRASHME
325 (void) srand((long) getpid()); 346 (void) srand((long) my_pid);
326#endif /* CONFIG_FEATURE_VI_CRASHME */ 347#endif /* CONFIG_FEATURE_VI_CRASHME */
327 status_buffer = (Byte *) xmalloc(200); // hold messages to user 348
349 status_buffer = STATUS_BUFFER;
350
328#ifdef CONFIG_FEATURE_VI_READONLY 351#ifdef CONFIG_FEATURE_VI_READONLY
329 vi_readonly = readonly = FALSE; 352 vi_readonly = readonly = FALSE;
330 if (strncmp(argv[0], "view", 4) == 0) { 353 if (strncmp(argv[0], "view", 4) == 0) {
@@ -332,11 +355,7 @@ extern int vi_main(int argc, char **argv)
332 vi_readonly = TRUE; 355 vi_readonly = TRUE;
333 } 356 }
334#endif /* CONFIG_FEATURE_VI_READONLY */ 357#endif /* CONFIG_FEATURE_VI_READONLY */
335#ifdef CONFIG_FEATURE_VI_SETOPTS 358 vi_setops = VI_AUTOINDENT | VI_SHOWMATCH | VI_IGNORECASE | VI_ERR_METHOD;
336 autoindent = 1;
337 ignorecase = 1;
338 showmatch = 1;
339#endif /* CONFIG_FEATURE_VI_SETOPTS */
340#ifdef CONFIG_FEATURE_VI_YANKMARK 359#ifdef CONFIG_FEATURE_VI_YANKMARK
341 for (i = 0; i < 28; i++) { 360 for (i = 0; i < 28; i++) {
342 reg[i] = 0; 361 reg[i] = 0;
@@ -395,11 +414,10 @@ extern int vi_main(int argc, char **argv)
395 414
396static void edit_file(Byte * fn) 415static void edit_file(Byte * fn)
397{ 416{
398 char c; 417 Byte c;
399 int cnt, size, ch; 418 int cnt, size, ch;
400 419
401#ifdef CONFIG_FEATURE_VI_USE_SIGNALS 420#ifdef CONFIG_FEATURE_VI_USE_SIGNALS
402 char *msg;
403 int sig; 421 int sig;
404#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ 422#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */
405#ifdef CONFIG_FEATURE_VI_YANKMARK 423#ifdef CONFIG_FEATURE_VI_YANKMARK
@@ -435,33 +453,20 @@ static void edit_file(Byte * fn)
435 mark[26] = mark[27] = text; // init "previous context" 453 mark[26] = mark[27] = text; // init "previous context"
436#endif /* CONFIG_FEATURE_VI_YANKMARK */ 454#endif /* CONFIG_FEATURE_VI_YANKMARK */
437 455
438 err_method = 1; // flash
439 last_forward_char = last_input_char = '\0'; 456 last_forward_char = last_input_char = '\0';
440 crow = 0; 457 crow = 0;
441 ccol = 0; 458 ccol = 0;
442 edit_status(); 459 edit_status();
443 460
444#ifdef CONFIG_FEATURE_VI_USE_SIGNALS 461#ifdef CONFIG_FEATURE_VI_USE_SIGNALS
445 signal(SIGHUP, catch_sig); 462 catch_sig(0);
446 signal(SIGINT, catch_sig); 463 core_sig(0);
447 signal(SIGALRM, alarm_sig);
448 signal(SIGTERM, catch_sig);
449 signal(SIGQUIT, core_sig);
450 signal(SIGILL, core_sig);
451 signal(SIGTRAP, core_sig);
452 signal(SIGIOT, core_sig);
453 signal(SIGABRT, core_sig);
454 signal(SIGFPE, core_sig);
455 signal(SIGBUS, core_sig);
456 signal(SIGSEGV, core_sig);
457#ifdef SIGSYS
458 signal(SIGSYS, core_sig);
459#endif
460 signal(SIGWINCH, winch_sig); 464 signal(SIGWINCH, winch_sig);
461 signal(SIGTSTP, suspend_sig); 465 signal(SIGTSTP, suspend_sig);
462 sig = setjmp(restart); 466 sig = setjmp(restart);
463 if (sig != 0) { 467 if (sig != 0) {
464 msg = ""; 468 const char *msg = "";
469
465 if (sig == SIGWINCH) 470 if (sig == SIGWINCH)
466 msg = "(window resize)"; 471 msg = "(window resize)";
467 if (sig == SIGHUP) 472 if (sig == SIGHUP)
@@ -496,6 +501,7 @@ static void edit_file(Byte * fn)
496#endif /* CONFIG_FEATURE_VI_DOT_CMD */ 501#endif /* CONFIG_FEATURE_VI_DOT_CMD */
497 redraw(FALSE); // dont force every col re-draw 502 redraw(FALSE); // dont force every col re-draw
498 show_status_line(); 503 show_status_line();
504 fflush(stdout);
499 505
500 //------This is the main Vi cmd handling loop ----------------------- 506 //------This is the main Vi cmd handling loop -----------------------
501 while (editing > 0) { 507 while (editing > 0) {
@@ -549,212 +555,6 @@ static void edit_file(Byte * fn)
549 cookmode(); 555 cookmode();
550} 556}
551 557
552static Byte readbuffer[BUFSIZ];
553
554#ifdef CONFIG_FEATURE_VI_CRASHME
555static int totalcmds = 0;
556static int Mp = 85; // Movement command Probability
557static int Np = 90; // Non-movement command Probability
558static int Dp = 96; // Delete command Probability
559static int Ip = 97; // Insert command Probability
560static int Yp = 98; // Yank command Probability
561static int Pp = 99; // Put command Probability
562static int M = 0, N = 0, I = 0, D = 0, Y = 0, P = 0, U = 0;
563char chars[20] = "\t012345 abcdABCD-=.$";
564char *words[20] = { "this", "is", "a", "test",
565 "broadcast", "the", "emergency", "of",
566 "system", "quick", "brown", "fox",
567 "jumped", "over", "lazy", "dogs",
568 "back", "January", "Febuary", "March"
569};
570char *lines[20] = {
571 "You should have received a copy of the GNU General Public License\n",
572 "char c, cm, *cmd, *cmd1;\n",
573 "generate a command by percentages\n",
574 "Numbers may be typed as a prefix to some commands.\n",
575 "Quit, discarding changes!\n",
576 "Forced write, if permission originally not valid.\n",
577 "In general, any ex or ed command (such as substitute or delete).\n",
578 "I have tickets available for the Blazers vs LA Clippers for Monday, Janurary 1 at 1:00pm.\n",
579 "Please get w/ me and I will go over it with you.\n",
580 "The following is a list of scheduled, committed changes.\n",
581 "1. Launch Norton Antivirus (Start, Programs, Norton Antivirus)\n",
582 "Reminder....Town Meeting in Central Perk cafe today at 3:00pm.\n",
583 "Any question about transactions please contact Sterling Huxley.\n",
584 "I will try to get back to you by Friday, December 31.\n",
585 "This Change will be implemented on Friday.\n",
586 "Let me know if you have problems accessing this;\n",
587 "Sterling Huxley recently added you to the access list.\n",
588 "Would you like to go to lunch?\n",
589 "The last command will be automatically run.\n",
590 "This is too much english for a computer geek.\n",
591};
592char *multilines[20] = {
593 "You should have received a copy of the GNU General Public License\n",
594 "char c, cm, *cmd, *cmd1;\n",
595 "generate a command by percentages\n",
596 "Numbers may be typed as a prefix to some commands.\n",
597 "Quit, discarding changes!\n",
598 "Forced write, if permission originally not valid.\n",
599 "In general, any ex or ed command (such as substitute or delete).\n",
600 "I have tickets available for the Blazers vs LA Clippers for Monday, Janurary 1 at 1:00pm.\n",
601 "Please get w/ me and I will go over it with you.\n",
602 "The following is a list of scheduled, committed changes.\n",
603 "1. Launch Norton Antivirus (Start, Programs, Norton Antivirus)\n",
604 "Reminder....Town Meeting in Central Perk cafe today at 3:00pm.\n",
605 "Any question about transactions please contact Sterling Huxley.\n",
606 "I will try to get back to you by Friday, December 31.\n",
607 "This Change will be implemented on Friday.\n",
608 "Let me know if you have problems accessing this;\n",
609 "Sterling Huxley recently added you to the access list.\n",
610 "Would you like to go to lunch?\n",
611 "The last command will be automatically run.\n",
612 "This is too much english for a computer geek.\n",
613};
614
615// create a random command to execute
616static void crash_dummy()
617{
618 static int sleeptime; // how long to pause between commands
619 char c, cm, *cmd, *cmd1;
620 int i, cnt, thing, rbi, startrbi, percent;
621
622 // "dot" movement commands
623 cmd1 = " \n\r\002\004\005\006\025\0310^$-+wWeEbBhjklHL";
624
625 // is there already a command running?
626 if (strlen((char *) readbuffer) > 0)
627 goto cd1;
628 cd0:
629 startrbi = rbi = 0;
630 sleeptime = 0; // how long to pause between commands
631 memset(readbuffer, '\0', BUFSIZ - 1); // clear the read buffer
632 // generate a command by percentages
633 percent = (int) lrand48() % 100; // get a number from 0-99
634 if (percent < Mp) { // Movement commands
635 // available commands
636 cmd = cmd1;
637 M++;
638 } else if (percent < Np) { // non-movement commands
639 cmd = "mz<>\'\""; // available commands
640 N++;
641 } else if (percent < Dp) { // Delete commands
642 cmd = "dx"; // available commands
643 D++;
644 } else if (percent < Ip) { // Inset commands
645 cmd = "iIaAsrJ"; // available commands
646 I++;
647 } else if (percent < Yp) { // Yank commands
648 cmd = "yY"; // available commands
649 Y++;
650 } else if (percent < Pp) { // Put commands
651 cmd = "pP"; // available commands
652 P++;
653 } else {
654 // We do not know how to handle this command, try again
655 U++;
656 goto cd0;
657 }
658 // randomly pick one of the available cmds from "cmd[]"
659 i = (int) lrand48() % strlen(cmd);
660 cm = cmd[i];
661 if (strchr(":\024", cm))
662 goto cd0; // dont allow colon or ctrl-T commands
663 readbuffer[rbi++] = cm; // put cmd into input buffer
664
665 // now we have the command-
666 // there are 1, 2, and multi char commands
667 // find out which and generate the rest of command as necessary
668 if (strchr("dmryz<>\'\"", cm)) { // 2-char commands
669 cmd1 = " \n\r0$^-+wWeEbBhjklHL";
670 if (cm == 'm' || cm == '\'' || cm == '\"') { // pick a reg[]
671 cmd1 = "abcdefghijklmnopqrstuvwxyz";
672 }
673 thing = (int) lrand48() % strlen(cmd1); // pick a movement command
674 c = cmd1[thing];
675 readbuffer[rbi++] = c; // add movement to input buffer
676 }
677 if (strchr("iIaAsc", cm)) { // multi-char commands
678 if (cm == 'c') {
679 // change some thing
680 thing = (int) lrand48() % strlen(cmd1); // pick a movement command
681 c = cmd1[thing];
682 readbuffer[rbi++] = c; // add movement to input buffer
683 }
684 thing = (int) lrand48() % 4; // what thing to insert
685 cnt = (int) lrand48() % 10; // how many to insert
686 for (i = 0; i < cnt; i++) {
687 if (thing == 0) { // insert chars
688 readbuffer[rbi++] = chars[((int) lrand48() % strlen(chars))];
689 } else if (thing == 1) { // insert words
690 strcat((char *) readbuffer, words[(int) lrand48() % 20]);
691 strcat((char *) readbuffer, " ");
692 sleeptime = 0; // how fast to type
693 } else if (thing == 2) { // insert lines
694 strcat((char *) readbuffer, lines[(int) lrand48() % 20]);
695 sleeptime = 0; // how fast to type
696 } else { // insert multi-lines
697 strcat((char *) readbuffer, multilines[(int) lrand48() % 20]);
698 sleeptime = 0; // how fast to type
699 }
700 }
701 strcat((char *) readbuffer, "\033");
702 }
703 cd1:
704 totalcmds++;
705 if (sleeptime > 0)
706 (void) mysleep(sleeptime); // sleep 1/100 sec
707}
708
709// test to see if there are any errors
710static void crash_test()
711{
712 static time_t oldtim;
713 time_t tim;
714 char d[2], buf[BUFSIZ], msg[BUFSIZ];
715
716 msg[0] = '\0';
717 if (end < text) {
718 strcat((char *) msg, "end<text ");
719 }
720 if (end > textend) {
721 strcat((char *) msg, "end>textend ");
722 }
723 if (dot < text) {
724 strcat((char *) msg, "dot<text ");
725 }
726 if (dot > end) {
727 strcat((char *) msg, "dot>end ");
728 }
729 if (screenbegin < text) {
730 strcat((char *) msg, "screenbegin<text ");
731 }
732 if (screenbegin > end - 1) {
733 strcat((char *) msg, "screenbegin>end-1 ");
734 }
735
736 if (strlen(msg) > 0) {
737 alarm(0);
738 sprintf(buf, "\n\n%d: \'%c\' %s\n\n\n%s[Hit return to continue]%s",
739 totalcmds, last_input_char, msg, SOs, SOn);
740 write(1, buf, strlen(buf));
741 while (read(0, d, 1) > 0) {
742 if (d[0] == '\n' || d[0] == '\r')
743 break;
744 }
745 alarm(3);
746 }
747 tim = (time_t) time((time_t *) 0);
748 if (tim >= (oldtim + 3)) {
749 sprintf((char *) status_buffer,
750 "Tot=%d: M=%d N=%d I=%d D=%d Y=%d P=%d U=%d size=%d",
751 totalcmds, M, N, I, D, Y, P, U, end - text + 1);
752 oldtim = tim;
753 }
754 return;
755}
756#endif /* CONFIG_FEATURE_VI_CRASHME */
757
758//----- The Colon commands ------------------------------------- 558//----- The Colon commands -------------------------------------
759#ifdef CONFIG_FEATURE_VI_COLON 559#ifdef CONFIG_FEATURE_VI_COLON
760static Byte *get_one_address(Byte * p, int *addr) // get colon addr, if present 560static Byte *get_one_address(Byte * p, int *addr) // get colon addr, if present
@@ -848,6 +648,23 @@ ga0:
848 return (p); 648 return (p);
849} 649}
850 650
651#ifdef CONFIG_FEATURE_VI_SETOPTS
652static void setops(const Byte *args, const char *opname, int flg_no,
653 const char *short_opname, int opt)
654{
655 const char *a = (char *) args + flg_no;
656 int l = strlen(opname) - 1; /* opname have + ' ' */
657
658 if (strncasecmp(a, opname, l) == 0 ||
659 strncasecmp(a, short_opname, 2) == 0) {
660 if(flg_no)
661 vi_setops &= ~opt;
662 else
663 vi_setops |= opt;
664 }
665}
666#endif
667
851static void colon(Byte * buf) 668static void colon(Byte * buf)
852{ 669{
853 Byte c, *orig_buf, *buf1, *q, *r; 670 Byte c, *orig_buf, *buf1, *q, *r;
@@ -1065,19 +882,27 @@ static void colon(Byte * buf)
1065 } 882 }
1066 place_cursor(rows - 1, 0, FALSE); // go to Status line, bottom of screen 883 place_cursor(rows - 1, 0, FALSE); // go to Status line, bottom of screen
1067 clear_to_eol(); // clear the line 884 clear_to_eol(); // clear the line
1068 write(1, "\r\n", 2); 885 puts("\r");
1069 for (; q <= r; q++) { 886 for (; q <= r; q++) {
887 int c_is_no_print;
888
1070 c = *q; 889 c = *q;
1071 if (c > '~') 890 c_is_no_print = c > 127 && !Isprint(c);
891 if (c_is_no_print) {
892 c = '.';
1072 standout_start(); 893 standout_start();
894 }
1073 if (c == '\n') { 895 if (c == '\n') {
1074 write(1, "$\r", 2); 896 write1("$\r");
1075 } else if (*q < ' ') { 897 } else if (c < ' ' || c == 127) {
1076 write(1, "^", 1); 898 putchar('^');
899 if(c == 127)
900 c = '?';
901 else
1077 c += '@'; 902 c += '@';
1078 } 903 }
1079 write(1, &c, 1); 904 putchar(c);
1080 if (c > '~') 905 if (c_is_no_print)
1081 standout_end(); 906 standout_end();
1082 } 907 }
1083#ifdef CONFIG_FEATURE_VI_SET 908#ifdef CONFIG_FEATURE_VI_SET
@@ -1185,23 +1010,11 @@ static void colon(Byte * buf)
1185 if (strncasecmp((char *) args, "no", 2) == 0) 1010 if (strncasecmp((char *) args, "no", 2) == 0)
1186 i = 2; // ":set noautoindent" 1011 i = 2; // ":set noautoindent"
1187#ifdef CONFIG_FEATURE_VI_SETOPTS 1012#ifdef CONFIG_FEATURE_VI_SETOPTS
1188 if (strncasecmp((char *) args + i, "autoindent", 10) == 0 || 1013 setops(args, "autoindent ", i, "ai", VI_AUTOINDENT);
1189 strncasecmp((char *) args + i, "ai", 2) == 0) { 1014 setops(args, "flash ", i, "fl", VI_ERR_METHOD);
1190 autoindent = (i == 2) ? 0 : 1; 1015 setops(args, "ignorecase ", i, "ic", VI_IGNORECASE);
1191 } 1016 setops(args, "showmatch ", i, "ic", VI_SHOWMATCH);
1192 if (strncasecmp((char *) args + i, "flash", 5) == 0 || 1017 if (strncasecmp((char *) args + i, "tabstop=%d ", 7) == 0) {
1193 strncasecmp((char *) args + i, "fl", 2) == 0) {
1194 err_method = (i == 2) ? 0 : 1;
1195 }
1196 if (strncasecmp((char *) args + i, "ignorecase", 10) == 0 ||
1197 strncasecmp((char *) args + i, "ic", 2) == 0) {
1198 ignorecase = (i == 2) ? 0 : 1;
1199 }
1200 if (strncasecmp((char *) args + i, "showmatch", 9) == 0 ||
1201 strncasecmp((char *) args + i, "sm", 2) == 0) {
1202 showmatch = (i == 2) ? 0 : 1;
1203 }
1204 if (strncasecmp((char *) args + i, "tabstop", 7) == 0) {
1205 sscanf(strchr((char *) args + i, '='), "=%d", &ch); 1018 sscanf(strchr((char *) args + i, '='), "=%d", &ch);
1206 if (ch > 0 && ch < columns - 1) 1019 if (ch > 0 && ch < columns - 1)
1207 tabstop = ch; 1020 tabstop = ch;
@@ -1318,9 +1131,7 @@ static void colon(Byte * buf)
1318#ifdef CONFIG_FEATURE_VI_SEARCH 1131#ifdef CONFIG_FEATURE_VI_SEARCH
1319colon_s_fail: 1132colon_s_fail:
1320 psb(":s expression missing delimiters"); 1133 psb(":s expression missing delimiters");
1321 return;
1322#endif 1134#endif
1323
1324} 1135}
1325 1136
1326static void Hit_Return(void) 1137static void Hit_Return(void)
@@ -1328,7 +1139,7 @@ static void Hit_Return(void)
1328 char c; 1139 char c;
1329 1140
1330 standout_start(); // start reverse video 1141 standout_start(); // start reverse video
1331 write(1, "[Hit return to continue]", 24); 1142 write1("[Hit return to continue]");
1332 standout_end(); // end reverse video 1143 standout_end(); // end reverse video
1333 while ((c = get_one_char()) != '\n' && c != '\r') /*do nothing */ 1144 while ((c = get_one_char()) != '\n' && c != '\r') /*do nothing */
1334 ; 1145 ;
@@ -1392,7 +1203,7 @@ static void sync_cursor(Byte * d, int *row, int *col)
1392 if (*tp == '\t') { 1203 if (*tp == '\t') {
1393 // 7 - (co % 8 ) 1204 // 7 - (co % 8 )
1394 co += ((tabstop - 1) - (co % tabstop)); 1205 co += ((tabstop - 1) - (co % tabstop));
1395 } else if (*tp < ' ') { 1206 } else if (*tp < ' ' || *tp == 127) {
1396 co++; // display as ^X, use 2 columns 1207 co++; // display as ^X, use 2 columns
1397 } 1208 }
1398 } while (tp++ < d && ++co); 1209 } while (tp++ < d && ++co);
@@ -1442,7 +1253,7 @@ static Byte *end_line(Byte * p) // return pointer to NL of cur line line
1442 return (p); 1253 return (p);
1443} 1254}
1444 1255
1445extern inline Byte *dollar_line(Byte * p) // return pointer to just before NL line 1256static inline Byte *dollar_line(Byte * p) // return pointer to just before NL line
1446{ 1257{
1447 while (p < end - 1 && *p != '\n') 1258 while (p < end - 1 && *p != '\n')
1448 p++; // go to cur line E-o-l 1259 p++; // go to cur line E-o-l
@@ -1547,7 +1358,7 @@ static Byte *move_to_col(Byte * p, int l)
1547 if (*p == '\t') { 1358 if (*p == '\t') {
1548 // 7 - (co % 8 ) 1359 // 7 - (co % 8 )
1549 co += ((tabstop - 1) - (co % tabstop)); 1360 co += ((tabstop - 1) - (co % tabstop));
1550 } else if (*p < ' ') { 1361 } else if (*p < ' ' || *p == 127) {
1551 co++; // display as ^X, use 2 columns 1362 co++; // display as ^X, use 2 columns
1552 } 1363 }
1553 } while (++co <= l && p++ < end); 1364 } while (++co <= l && p++ < end);
@@ -1787,7 +1598,7 @@ static Byte *char_insert(Byte * p, Byte c) // insert the char c at 'p'
1787 p = text_hole_delete(p, p); // shrink buffer 1 char 1598 p = text_hole_delete(p, p); // shrink buffer 1 char
1788#ifdef CONFIG_FEATURE_VI_DOT_CMD 1599#ifdef CONFIG_FEATURE_VI_DOT_CMD
1789 // also rmove char from last_modifying_cmd 1600 // also rmove char from last_modifying_cmd
1790 if (strlen((char *) last_modifying_cmd) > 0) { 1601 if (last_modifying_cmd != 0 && strlen((char *) last_modifying_cmd) > 0) {
1791 Byte *q; 1602 Byte *q;
1792 1603
1793 q = last_modifying_cmd; 1604 q = last_modifying_cmd;
@@ -2130,7 +1941,7 @@ static void show_help(void)
2130 ); 1941 );
2131} 1942}
2132 1943
2133extern inline void print_literal(Byte * buf, Byte * s) // copy s to buf, convert unprintable 1944static inline void print_literal(Byte * buf, Byte * s) // copy s to buf, convert unprintable
2134{ 1945{
2135 Byte c, b[2]; 1946 Byte c, b[2];
2136 1947
@@ -2139,19 +1950,25 @@ extern inline void print_literal(Byte * buf, Byte * s) // copy s to buf, convert
2139 if (strlen((char *) s) <= 0) 1950 if (strlen((char *) s) <= 0)
2140 s = (Byte *) "(NULL)"; 1951 s = (Byte *) "(NULL)";
2141 for (; *s > '\0'; s++) { 1952 for (; *s > '\0'; s++) {
1953 int c_is_no_print;
1954
2142 c = *s; 1955 c = *s;
2143 if (*s > '~') { 1956 c_is_no_print = c > 127 && !Isprint(c);
2144 strcat((char *) buf, SOs); 1957 if (c_is_no_print) {
2145 c = *s - 128; 1958 strcat((char *) buf, SOn);
1959 c = '.';
2146 } 1960 }
2147 if (*s < ' ') { 1961 if (c < ' ' || c == 127) {
2148 strcat((char *) buf, "^"); 1962 strcat((char *) buf, "^");
1963 if(c == 127)
1964 c = '?';
1965 else
2149 c += '@'; 1966 c += '@';
2150 } 1967 }
2151 b[0] = c; 1968 b[0] = c;
2152 strcat((char *) buf, (char *) b); 1969 strcat((char *) buf, (char *) b);
2153 if (*s > '~') 1970 if (c_is_no_print)
2154 strcat((char *) buf, SOn); 1971 strcat((char *) buf, SOs);
2155 if (*s == '\n') { 1972 if (*s == '\n') {
2156 strcat((char *) buf, "$"); 1973 strcat((char *) buf, "$");
2157 } 1974 }
@@ -2259,7 +2076,7 @@ static void check_context(Byte cmd)
2259 return; 2076 return;
2260} 2077}
2261 2078
2262extern inline Byte *swap_context(Byte * p) // goto new context for '' command make this the current context 2079static inline Byte *swap_context(Byte * p) // goto new context for '' command make this the current context
2263{ 2080{
2264 Byte *tmp; 2081 Byte *tmp;
2265 2082
@@ -2301,6 +2118,7 @@ static void rawmode(void)
2301 2118
2302static void cookmode(void) 2119static void cookmode(void)
2303{ 2120{
2121 fflush(stdout);
2304 tcsetattr(0, TCSANOW, &term_orig); 2122 tcsetattr(0, TCSANOW, &term_orig);
2305} 2123}
2306 2124
@@ -2348,7 +2166,7 @@ static void cont_sig(int sig)
2348 2166
2349 signal(SIGTSTP, suspend_sig); 2167 signal(SIGTSTP, suspend_sig);
2350 signal(SIGCONT, SIG_DFL); 2168 signal(SIGCONT, SIG_DFL);
2351 kill(getpid(), SIGCONT); 2169 kill(my_pid, SIGCONT);
2352} 2170}
2353 2171
2354//----- Come here when we get a Suspend signal ------------------- 2172//----- Come here when we get a Suspend signal -------------------
@@ -2360,7 +2178,7 @@ static void suspend_sig(int sig)
2360 2178
2361 signal(SIGCONT, cont_sig); 2179 signal(SIGCONT, cont_sig);
2362 signal(SIGTSTP, SIG_DFL); 2180 signal(SIGTSTP, SIG_DFL);
2363 kill(getpid(), SIGTSTP); 2181 kill(my_pid, SIGTSTP);
2364} 2182}
2365 2183
2366//----- Come here when we get a signal --------------------------- 2184//----- Come here when we get a signal ---------------------------
@@ -2369,12 +2187,8 @@ static void catch_sig(int sig)
2369 signal(SIGHUP, catch_sig); 2187 signal(SIGHUP, catch_sig);
2370 signal(SIGINT, catch_sig); 2188 signal(SIGINT, catch_sig);
2371 signal(SIGTERM, catch_sig); 2189 signal(SIGTERM, catch_sig);
2372 longjmp(restart, sig);
2373}
2374
2375static void alarm_sig(int sig)
2376{
2377 signal(SIGALRM, catch_sig); 2190 signal(SIGALRM, catch_sig);
2191 if(sig)
2378 longjmp(restart, sig); 2192 longjmp(restart, sig);
2379} 2193}
2380 2194
@@ -2393,15 +2207,18 @@ static void core_sig(int sig)
2393 signal(SIGSYS, core_sig); 2207 signal(SIGSYS, core_sig);
2394#endif 2208#endif
2395 2209
2210 if(sig) { // signaled
2396 dot = bound_dot(dot); // make sure "dot" is valid 2211 dot = bound_dot(dot); // make sure "dot" is valid
2397 2212
2398 longjmp(restart, sig); 2213 longjmp(restart, sig);
2214 }
2399} 2215}
2400#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ 2216#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */
2401 2217
2402static int mysleep(int hund) // sleep for 'h' 1/100 seconds 2218static int mysleep(int hund) // sleep for 'h' 1/100 seconds
2403{ 2219{
2404 // Don't hang- Wait 5/100 seconds- 1 Sec= 1000000 2220 // Don't hang- Wait 5/100 seconds- 1 Sec= 1000000
2221 fflush(stdout);
2405 FD_ZERO(&rfds); 2222 FD_ZERO(&rfds);
2406 FD_SET(0, &rfds); 2223 FD_SET(0, &rfds);
2407 tv.tv_sec = 0; 2224 tv.tv_sec = 0;
@@ -2410,60 +2227,66 @@ static int mysleep(int hund) // sleep for 'h' 1/100 seconds
2410 return (FD_ISSET(0, &rfds)); 2227 return (FD_ISSET(0, &rfds));
2411} 2228}
2412 2229
2230static Byte readbuffer[BUFSIZ];
2231static int readed_for_parse;
2232
2413//----- IO Routines -------------------------------------------- 2233//----- IO Routines --------------------------------------------
2414static Byte readit(void) // read (maybe cursor) key from stdin 2234static Byte readit(void) // read (maybe cursor) key from stdin
2415{ 2235{
2416 Byte c; 2236 Byte c;
2417 int i, bufsiz, cnt, cmdindex; 2237 int n;
2418 struct esc_cmds { 2238 struct esc_cmds {
2419 Byte *seq; 2239 const char *seq;
2420 Byte val; 2240 Byte val;
2421 }; 2241 };
2422 2242
2423 static struct esc_cmds esccmds[] = { 2243 static const struct esc_cmds esccmds[] = {
2424 {(Byte *) "OA", (Byte) VI_K_UP}, // cursor key Up 2244 {"OA", (Byte) VI_K_UP}, // cursor key Up
2425 {(Byte *) "OB", (Byte) VI_K_DOWN}, // cursor key Down 2245 {"OB", (Byte) VI_K_DOWN}, // cursor key Down
2426 {(Byte *) "OC", (Byte) VI_K_RIGHT}, // Cursor Key Right 2246 {"OC", (Byte) VI_K_RIGHT}, // Cursor Key Right
2427 {(Byte *) "OD", (Byte) VI_K_LEFT}, // cursor key Left 2247 {"OD", (Byte) VI_K_LEFT}, // cursor key Left
2428 {(Byte *) "OH", (Byte) VI_K_HOME}, // Cursor Key Home 2248 {"OH", (Byte) VI_K_HOME}, // Cursor Key Home
2429 {(Byte *) "OF", (Byte) VI_K_END}, // Cursor Key End 2249 {"OF", (Byte) VI_K_END}, // Cursor Key End
2430 {(Byte *) "", (Byte) VI_K_UP}, // cursor key Up 2250 {"[A", (Byte) VI_K_UP}, // cursor key Up
2431 {(Byte *) "", (Byte) VI_K_DOWN}, // cursor key Down 2251 {"[B", (Byte) VI_K_DOWN}, // cursor key Down
2432 {(Byte *) "", (Byte) VI_K_RIGHT}, // Cursor Key Right 2252 {"[C", (Byte) VI_K_RIGHT}, // Cursor Key Right
2433 {(Byte *) "", (Byte) VI_K_LEFT}, // cursor key Left 2253 {"[D", (Byte) VI_K_LEFT}, // cursor key Left
2434 {(Byte *) "", (Byte) VI_K_HOME}, // Cursor Key Home 2254 {"[H", (Byte) VI_K_HOME}, // Cursor Key Home
2435 {(Byte *) "", (Byte) VI_K_END}, // Cursor Key End 2255 {"[F", (Byte) VI_K_END}, // Cursor Key End
2436 {(Byte *) "[2~", (Byte) VI_K_INSERT}, // Cursor Key Insert 2256 {"[1~", (Byte) VI_K_HOME}, // Cursor Key Home
2437 {(Byte *) "[5~", (Byte) VI_K_PAGEUP}, // Cursor Key Page Up 2257 {"[2~", (Byte) VI_K_INSERT}, // Cursor Key Insert
2438 {(Byte *) "[6~", (Byte) VI_K_PAGEDOWN}, // Cursor Key Page Down 2258 {"[4~", (Byte) VI_K_END}, // Cursor Key End
2439 {(Byte *) "OP", (Byte) VI_K_FUN1}, // Function Key F1 2259 {"[5~", (Byte) VI_K_PAGEUP}, // Cursor Key Page Up
2440 {(Byte *) "OQ", (Byte) VI_K_FUN2}, // Function Key F2 2260 {"[6~", (Byte) VI_K_PAGEDOWN}, // Cursor Key Page Down
2441 {(Byte *) "OR", (Byte) VI_K_FUN3}, // Function Key F3 2261 {"OP", (Byte) VI_K_FUN1}, // Function Key F1
2442 {(Byte *) "OS", (Byte) VI_K_FUN4}, // Function Key F4 2262 {"OQ", (Byte) VI_K_FUN2}, // Function Key F2
2443 {(Byte *) "[15~", (Byte) VI_K_FUN5}, // Function Key F5 2263 {"OR", (Byte) VI_K_FUN3}, // Function Key F3
2444 {(Byte *) "[17~", (Byte) VI_K_FUN6}, // Function Key F6 2264 {"OS", (Byte) VI_K_FUN4}, // Function Key F4
2445 {(Byte *) "[18~", (Byte) VI_K_FUN7}, // Function Key F7 2265 {"[15~", (Byte) VI_K_FUN5}, // Function Key F5
2446 {(Byte *) "[19~", (Byte) VI_K_FUN8}, // Function Key F8 2266 {"[17~", (Byte) VI_K_FUN6}, // Function Key F6
2447 {(Byte *) "[20~", (Byte) VI_K_FUN9}, // Function Key F9 2267 {"[18~", (Byte) VI_K_FUN7}, // Function Key F7
2448 {(Byte *) "[21~", (Byte) VI_K_FUN10}, // Function Key F10 2268 {"[19~", (Byte) VI_K_FUN8}, // Function Key F8
2449 {(Byte *) "[23~", (Byte) VI_K_FUN11}, // Function Key F11 2269 {"[20~", (Byte) VI_K_FUN9}, // Function Key F9
2450 {(Byte *) "[24~", (Byte) VI_K_FUN12}, // Function Key F12 2270 {"[21~", (Byte) VI_K_FUN10}, // Function Key F10
2451 {(Byte *) "[11~", (Byte) VI_K_FUN1}, // Function Key F1 2271 {"[23~", (Byte) VI_K_FUN11}, // Function Key F11
2452 {(Byte *) "[12~", (Byte) VI_K_FUN2}, // Function Key F2 2272 {"[24~", (Byte) VI_K_FUN12}, // Function Key F12
2453 {(Byte *) "[13~", (Byte) VI_K_FUN3}, // Function Key F3 2273 {"[11~", (Byte) VI_K_FUN1}, // Function Key F1
2454 {(Byte *) "[14~", (Byte) VI_K_FUN4}, // Function Key F4 2274 {"[12~", (Byte) VI_K_FUN2}, // Function Key F2
2275 {"[13~", (Byte) VI_K_FUN3}, // Function Key F3
2276 {"[14~", (Byte) VI_K_FUN4}, // Function Key F4
2455 }; 2277 };
2456 2278
2457#define ESCCMDS_COUNT (sizeof(esccmds)/sizeof(struct esc_cmds)) 2279#define ESCCMDS_COUNT (sizeof(esccmds)/sizeof(struct esc_cmds))
2458 2280
2459 (void) alarm(0); // turn alarm OFF while we wait for input 2281 (void) alarm(0); // turn alarm OFF while we wait for input
2282 fflush(stdout);
2283 n = readed_for_parse;
2460 // get input from User- are there already input chars in Q? 2284 // get input from User- are there already input chars in Q?
2461 bufsiz = strlen((char *) readbuffer); 2285 if (n <= 0) {
2462 if (bufsiz <= 0) {
2463 ri0: 2286 ri0:
2464 // the Q is empty, wait for a typed char 2287 // the Q is empty, wait for a typed char
2465 bufsiz = read(0, readbuffer, BUFSIZ - 1); 2288 n = read(0, readbuffer, BUFSIZ - 1);
2466 if (bufsiz < 0) { 2289 if (n < 0) {
2467 if (errno == EINTR) 2290 if (errno == EINTR)
2468 goto ri0; // interrupted sys call 2291 goto ri0; // interrupted sys call
2469 if (errno == EBADF) 2292 if (errno == EBADF)
@@ -2475,14 +2298,10 @@ static Byte readit(void) // read (maybe cursor) key from stdin
2475 if (errno == EIO) 2298 if (errno == EIO)
2476 editing = 0; 2299 editing = 0;
2477 errno = 0; 2300 errno = 0;
2478 bufsiz = 0;
2479 } 2301 }
2480 readbuffer[bufsiz] = '\0'; 2302 if(n <= 0)
2481 } 2303 return 0; // error
2482 // return char if it is not part of ESC sequence 2304 if (readbuffer[0] == 27) {
2483 if (readbuffer[0] != 27)
2484 goto ri1;
2485
2486 // This is an ESC char. Is this Esc sequence? 2305 // This is an ESC char. Is this Esc sequence?
2487 // Could be bare Esc key. See if there are any 2306 // Could be bare Esc key. See if there are any
2488 // more chars to read after the ESC. This would 2307 // more chars to read after the ESC. This would
@@ -2493,34 +2312,44 @@ static Byte readit(void) // read (maybe cursor) key from stdin
2493 tv.tv_usec = 50000; // Wait 5/100 seconds- 1 Sec=1000000 2312 tv.tv_usec = 50000; // Wait 5/100 seconds- 1 Sec=1000000
2494 2313
2495 // keep reading while there are input chars and room in buffer 2314 // keep reading while there are input chars and room in buffer
2496 while (select(1, &rfds, NULL, NULL, &tv) > 0 && bufsiz <= (BUFSIZ - 5)) { 2315 while (select(1, &rfds, NULL, NULL, &tv) > 0 && n <= (BUFSIZ - 5)) {
2497 // read the rest of the ESC string 2316 // read the rest of the ESC string
2498 i = read(0, (void *) (readbuffer + bufsiz), BUFSIZ - bufsiz); 2317 int r = read(0, (void *) (readbuffer + n), BUFSIZ - n);
2499 if (i > 0) { 2318 if (r > 0) {
2500 bufsiz += i; 2319 n += r;
2501 readbuffer[bufsiz] = '\0'; // Terminate the string 2320 }
2321 }
2502 } 2322 }
2323 readed_for_parse = n;
2503 } 2324 }
2325 c = readbuffer[0];
2326 if(c == 27 && n > 1) {
2504 // Maybe cursor or function key? 2327 // Maybe cursor or function key?
2505 for (cmdindex = 0; cmdindex < ESCCMDS_COUNT; cmdindex++) { 2328 const struct esc_cmds *eindex;
2506 cnt = strlen((char *) esccmds[cmdindex].seq); 2329
2507 i = strncmp((char *) esccmds[cmdindex].seq, (char *) readbuffer, cnt); 2330 for (eindex = esccmds; eindex < &esccmds[ESCCMDS_COUNT]; eindex++) {
2508 if (i == 0) { 2331 int cnt = strlen(eindex->seq);
2332
2333 if(n <= cnt)
2334 continue;
2335 if(strncmp(eindex->seq, (char *) readbuffer + 1, cnt))
2336 continue;
2509 // is a Cursor key- put derived value back into Q 2337 // is a Cursor key- put derived value back into Q
2510 readbuffer[0] = esccmds[cmdindex].val; 2338 c = eindex->val;
2511 // squeeze out the ESC sequence 2339 // for squeeze out the ESC sequence
2512 for (i = 1; i < cnt; i++) { 2340 n = cnt + 1;
2513 memmove(readbuffer + 1, readbuffer + 2, BUFSIZ - 2);
2514 readbuffer[BUFSIZ - 1] = '\0';
2515 }
2516 break; 2341 break;
2517 } 2342 }
2343 if(eindex == &esccmds[ESCCMDS_COUNT]) {
2344 /* defined ESC sequence not found, set only one ESC */
2345 n = 1;
2518 } 2346 }
2519 ri1: 2347 } else {
2520 c = readbuffer[0]; 2348 n = 1;
2521 // remove one char from Q 2349 }
2522 memmove(readbuffer, readbuffer + 1, BUFSIZ - 1); 2350 // remove key sequence from Q
2523 readbuffer[BUFSIZ - 1] = '\0'; 2351 readed_for_parse -= n;
2352 memmove(readbuffer, readbuffer + n, BUFSIZ - n);
2524 (void) alarm(3); // we are done waiting for input, turn alarm ON 2353 (void) alarm(3); // we are done waiting for input, turn alarm ON
2525 return (c); 2354 return (c);
2526} 2355}
@@ -2561,7 +2390,6 @@ static Byte get_one_char()
2561 // add new char to q 2390 // add new char to q
2562 last_modifying_cmd[len] = c; 2391 last_modifying_cmd[len] = c;
2563 } 2392 }
2564
2565 } 2393 }
2566 } 2394 }
2567#else /* CONFIG_FEATURE_VI_DOT_CMD */ 2395#else /* CONFIG_FEATURE_VI_DOT_CMD */
@@ -2581,7 +2409,7 @@ static Byte *get_input_line(Byte * prompt) // get input line- use "status line"
2581 *status_buffer = '\0'; // clear the status buffer 2409 *status_buffer = '\0'; // clear the status buffer
2582 place_cursor(rows - 1, 0, FALSE); // go to Status line, bottom of screen 2410 place_cursor(rows - 1, 0, FALSE); // go to Status line, bottom of screen
2583 clear_to_eol(); // clear the line 2411 clear_to_eol(); // clear the line
2584 write(1, prompt, strlen((char *) prompt)); // write out the :, /, or ? prompt 2412 write1(prompt); // write out the :, /, or ? prompt
2585 2413
2586 for (i = strlen((char *) buf); i < BUFSIZ;) { 2414 for (i = strlen((char *) buf); i < BUFSIZ;) {
2587 c = get_one_char(); // read user input 2415 c = get_one_char(); // read user input
@@ -2591,14 +2419,14 @@ static Byte *get_input_line(Byte * prompt) // get input line- use "status line"
2591 i--; // backup to prev char 2419 i--; // backup to prev char
2592 buf[i] = '\0'; // erase the char 2420 buf[i] = '\0'; // erase the char
2593 buf[i + 1] = '\0'; // null terminate buffer 2421 buf[i + 1] = '\0'; // null terminate buffer
2594 write(1, " ", 3); // erase char on screen 2422 write1("\b \b"); // erase char on screen
2595 if (i <= 0) { // user backs up before b-o-l, exit 2423 if (i <= 0) { // user backs up before b-o-l, exit
2596 break; 2424 break;
2597 } 2425 }
2598 } else { 2426 } else {
2599 buf[i] = c; // save char in buffer 2427 buf[i] = c; // save char in buffer
2600 buf[i + 1] = '\0'; // make sure buffer is null terminated 2428 buf[i + 1] = '\0'; // make sure buffer is null terminated
2601 write(1, buf + i, 1); // echo the char back to user 2429 putchar(c); // echo the char back to user
2602 i++; 2430 i++;
2603 } 2431 }
2604 } 2432 }
@@ -2608,7 +2436,7 @@ static Byte *get_input_line(Byte * prompt) // get input line- use "status line"
2608 return (obufp); 2436 return (obufp);
2609} 2437}
2610 2438
2611static int file_size(Byte * fn) // what is the byte size of "fn" 2439static int file_size(const Byte * fn) // what is the byte size of "fn"
2612{ 2440{
2613 struct stat st_buf; 2441 struct stat st_buf;
2614 int cnt, sr; 2442 int cnt, sr;
@@ -2729,7 +2557,6 @@ static void place_cursor(int row, int col, int opti)
2729{ 2557{
2730 char cm1[BUFSIZ]; 2558 char cm1[BUFSIZ];
2731 char *cm; 2559 char *cm;
2732 int l;
2733#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR 2560#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR
2734 char cm2[BUFSIZ]; 2561 char cm2[BUFSIZ];
2735 Byte *screenp; 2562 Byte *screenp;
@@ -2784,32 +2611,31 @@ static void place_cursor(int row, int col, int opti)
2784 } */ 2611 } */
2785#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */ 2612#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */
2786 pc0: 2613 pc0:
2787 l= strlen(cm); 2614 write1(cm); // move the cursor
2788 if (l) write(1, cm, l); // move the cursor
2789} 2615}
2790 2616
2791//----- Erase from cursor to end of line ----------------------- 2617//----- Erase from cursor to end of line -----------------------
2792static void clear_to_eol() 2618static void clear_to_eol()
2793{ 2619{
2794 write(1, Ceol, strlen(Ceol)); // Erase from cursor to end of line 2620 write1(Ceol); // Erase from cursor to end of line
2795} 2621}
2796 2622
2797//----- Erase from cursor to end of screen ----------------------- 2623//----- Erase from cursor to end of screen -----------------------
2798static void clear_to_eos() 2624static void clear_to_eos()
2799{ 2625{
2800 write(1, Ceos, strlen(Ceos)); // Erase from cursor to end of screen 2626 write1(Ceos); // Erase from cursor to end of screen
2801} 2627}
2802 2628
2803//----- Start standout mode ------------------------------------ 2629//----- Start standout mode ------------------------------------
2804static void standout_start() // send "start reverse video" sequence 2630static void standout_start() // send "start reverse video" sequence
2805{ 2631{
2806 write(1, SOs, strlen(SOs)); // Start reverse video mode 2632 write1(SOs); // Start reverse video mode
2807} 2633}
2808 2634
2809//----- End standout mode -------------------------------------- 2635//----- End standout mode --------------------------------------
2810static void standout_end() // send "end reverse video" sequence 2636static void standout_end() // send "end reverse video" sequence
2811{ 2637{
2812 write(1, SOn, strlen(SOn)); // End reverse video mode 2638 write1(SOn); // End reverse video mode
2813} 2639}
2814 2640
2815//----- Flash the screen -------------------------------------- 2641//----- Flash the screen --------------------------------------
@@ -2822,19 +2648,14 @@ static void flash(int h)
2822 redraw(TRUE); 2648 redraw(TRUE);
2823} 2649}
2824 2650
2825static void beep() 2651static void Indicate_Error(void)
2826{
2827 write(1, bell, strlen(bell)); // send out a bell character
2828}
2829
2830static void indicate_error(char c)
2831{ 2652{
2832#ifdef CONFIG_FEATURE_VI_CRASHME 2653#ifdef CONFIG_FEATURE_VI_CRASHME
2833 if (crashme > 0) 2654 if (crashme > 0)
2834 return; // generate a random command 2655 return; // generate a random command
2835#endif /* CONFIG_FEATURE_VI_CRASHME */ 2656#endif /* CONFIG_FEATURE_VI_CRASHME */
2836 if (err_method == 0) { 2657 if (!err_method) {
2837 beep(); 2658 write1(bell); // send out a bell character
2838 } else { 2659 } else {
2839 flash(10); 2660 flash(10);
2840 } 2661 }
@@ -2859,7 +2680,7 @@ static void show_status_line(void)
2859 if (cnt > 0 && last_cksum != cksum) { 2680 if (cnt > 0 && last_cksum != cksum) {
2860 last_cksum= cksum; // remember if we have seen this line 2681 last_cksum= cksum; // remember if we have seen this line
2861 place_cursor(rows - 1, 0, FALSE); // put cursor on status line 2682 place_cursor(rows - 1, 0, FALSE); // put cursor on status line
2862 write(1, status_buffer, cnt); 2683 write1(status_buffer);
2863 clear_to_eol(); 2684 clear_to_eol();
2864 place_cursor(crow, ccol, FALSE); // put cursor back in correct place 2685 place_cursor(crow, ccol, FALSE); // put cursor back in correct place
2865 } 2686 }
@@ -2867,7 +2688,7 @@ static void show_status_line(void)
2867 2688
2868//----- format the status buffer, the bottom line of screen ------ 2689//----- format the status buffer, the bottom line of screen ------
2869// print status buffer, with STANDOUT mode 2690// print status buffer, with STANDOUT mode
2870static void psbs(char *format, ...) 2691static void psbs(const char *format, ...)
2871{ 2692{
2872 va_list args; 2693 va_list args;
2873 2694
@@ -2882,7 +2703,7 @@ static void psbs(char *format, ...)
2882} 2703}
2883 2704
2884// print status buffer 2705// print status buffer
2885static void psb(char *format, ...) 2706static void psb(const char *format, ...)
2886{ 2707{
2887 va_list args; 2708 va_list args;
2888 2709
@@ -2954,7 +2775,10 @@ static void format_line(Byte *dest, Byte *src, int li)
2954 } 2775 }
2955 if (c == '\n') 2776 if (c == '\n')
2956 break; 2777 break;
2957 if (c < ' ' || c > '~') { 2778 if (c > 127 && !Isprint(c)) {
2779 c = '.';
2780 }
2781 if (c < ' ' || c == 127) {
2958 if (c == '\t') { 2782 if (c == '\t') {
2959 c = ' '; 2783 c = ' ';
2960 // co % 8 != 7 2784 // co % 8 != 7
@@ -2963,8 +2787,10 @@ static void format_line(Byte *dest, Byte *src, int li)
2963 } 2787 }
2964 } else { 2788 } else {
2965 dest[co++] = '^'; 2789 dest[co++] = '^';
2966 c |= '@'; // make it visible 2790 if(c == 127)
2967 c &= 0x7f; // get rid of hi bit 2791 c = '?';
2792 else
2793 c += '@'; // make it visible
2968 } 2794 }
2969 } 2795 }
2970 // the co++ is done here so that the column will 2796 // the co++ is done here so that the column will
@@ -3067,7 +2893,15 @@ static void refresh(int full_screen)
3067 } 2893 }
3068 2894
3069 // write line out to terminal 2895 // write line out to terminal
3070 write(1, sp+cs, ce-cs+1); 2896 {
2897 int nic = ce-cs+1;
2898 char *out = sp+cs;
2899
2900 while(nic-- > 0) {
2901 putchar(*out);
2902 out++;
2903 }
2904 }
3071#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR 2905#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR
3072 last_row = li; 2906 last_row = li;
3073#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */ 2907#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */
@@ -3131,12 +2965,14 @@ static void do_cmd(Byte c)
3131 } 2965 }
3132 2966
3133 if (cmd_mode == 2) { 2967 if (cmd_mode == 2) {
2968 // flip-flop Insert/Replace mode
2969 if (c == VI_K_INSERT) goto dc_i;
3134 // we are 'R'eplacing the current *dot with new char 2970 // we are 'R'eplacing the current *dot with new char
3135 if (*dot == '\n') { 2971 if (*dot == '\n') {
3136 // don't Replace past E-o-l 2972 // don't Replace past E-o-l
3137 cmd_mode = 1; // convert to insert 2973 cmd_mode = 1; // convert to insert
3138 } else { 2974 } else {
3139 if (1 <= c && c <= 127) { // only ASCII chars 2975 if (1 <= c || Isprint(c)) {
3140 if (c != 27) 2976 if (c != 27)
3141 dot = yank_delete(dot, dot, 0, YANKDEL); // delete char 2977 dot = yank_delete(dot, dot, 0, YANKDEL); // delete char
3142 dot = char_insert(dot, c); // insert new char 2978 dot = char_insert(dot, c); // insert new char
@@ -3148,8 +2984,8 @@ static void do_cmd(Byte c)
3148 // hitting "Insert" twice means "R" replace mode 2984 // hitting "Insert" twice means "R" replace mode
3149 if (c == VI_K_INSERT) goto dc5; 2985 if (c == VI_K_INSERT) goto dc5;
3150 // insert the char c at "dot" 2986 // insert the char c at "dot"
3151 if (1 <= c && c <= 127) { 2987 if (1 <= c || Isprint(c)) {
3152 dot = char_insert(dot, c); // only ASCII chars 2988 dot = char_insert(dot, c);
3153 } 2989 }
3154 goto dc1; 2990 goto dc1;
3155 } 2991 }
@@ -3202,7 +3038,7 @@ key_cmd_mode:
3202 default: // unrecognised command 3038 default: // unrecognised command
3203 buf[0] = c; 3039 buf[0] = c;
3204 buf[1] = '\0'; 3040 buf[1] = '\0';
3205 if (c <= ' ') { 3041 if (c < ' ') {
3206 buf[0] = '^'; 3042 buf[0] = '^';
3207 buf[1] = c + '@'; 3043 buf[1] = c + '@';
3208 buf[2] = '\0'; 3044 buf[2] = '\0';
@@ -3953,3 +3789,208 @@ key_cmd_mode:
3953 if (*dot == '\n' && cnt > 0 && cmd_mode == 0) 3789 if (*dot == '\n' && cnt > 0 && cmd_mode == 0)
3954 dot--; 3790 dot--;
3955} 3791}
3792
3793#ifdef CONFIG_FEATURE_VI_CRASHME
3794static int totalcmds = 0;
3795static int Mp = 85; // Movement command Probability
3796static int Np = 90; // Non-movement command Probability
3797static int Dp = 96; // Delete command Probability
3798static int Ip = 97; // Insert command Probability
3799static int Yp = 98; // Yank command Probability
3800static int Pp = 99; // Put command Probability
3801static int M = 0, N = 0, I = 0, D = 0, Y = 0, P = 0, U = 0;
3802char chars[20] = "\t012345 abcdABCD-=.$";
3803char *words[20] = { "this", "is", "a", "test",
3804 "broadcast", "the", "emergency", "of",
3805 "system", "quick", "brown", "fox",
3806 "jumped", "over", "lazy", "dogs",
3807 "back", "January", "Febuary", "March"
3808};
3809char *lines[20] = {
3810 "You should have received a copy of the GNU General Public License\n",
3811 "char c, cm, *cmd, *cmd1;\n",
3812 "generate a command by percentages\n",
3813 "Numbers may be typed as a prefix to some commands.\n",
3814 "Quit, discarding changes!\n",
3815 "Forced write, if permission originally not valid.\n",
3816 "In general, any ex or ed command (such as substitute or delete).\n",
3817 "I have tickets available for the Blazers vs LA Clippers for Monday, Janurary 1 at 1:00pm.\n",
3818 "Please get w/ me and I will go over it with you.\n",
3819 "The following is a list of scheduled, committed changes.\n",
3820 "1. Launch Norton Antivirus (Start, Programs, Norton Antivirus)\n",
3821 "Reminder....Town Meeting in Central Perk cafe today at 3:00pm.\n",
3822 "Any question about transactions please contact Sterling Huxley.\n",
3823 "I will try to get back to you by Friday, December 31.\n",
3824 "This Change will be implemented on Friday.\n",
3825 "Let me know if you have problems accessing this;\n",
3826 "Sterling Huxley recently added you to the access list.\n",
3827 "Would you like to go to lunch?\n",
3828 "The last command will be automatically run.\n",
3829 "This is too much english for a computer geek.\n",
3830};
3831char *multilines[20] = {
3832 "You should have received a copy of the GNU General Public License\n",
3833 "char c, cm, *cmd, *cmd1;\n",
3834 "generate a command by percentages\n",
3835 "Numbers may be typed as a prefix to some commands.\n",
3836 "Quit, discarding changes!\n",
3837 "Forced write, if permission originally not valid.\n",
3838 "In general, any ex or ed command (such as substitute or delete).\n",
3839 "I have tickets available for the Blazers vs LA Clippers for Monday, Janurary 1 at 1:00pm.\n",
3840 "Please get w/ me and I will go over it with you.\n",
3841 "The following is a list of scheduled, committed changes.\n",
3842 "1. Launch Norton Antivirus (Start, Programs, Norton Antivirus)\n",
3843 "Reminder....Town Meeting in Central Perk cafe today at 3:00pm.\n",
3844 "Any question about transactions please contact Sterling Huxley.\n",
3845 "I will try to get back to you by Friday, December 31.\n",
3846 "This Change will be implemented on Friday.\n",
3847 "Let me know if you have problems accessing this;\n",
3848 "Sterling Huxley recently added you to the access list.\n",
3849 "Would you like to go to lunch?\n",
3850 "The last command will be automatically run.\n",
3851 "This is too much english for a computer geek.\n",
3852};
3853
3854// create a random command to execute
3855static void crash_dummy()
3856{
3857 static int sleeptime; // how long to pause between commands
3858 char c, cm, *cmd, *cmd1;
3859 int i, cnt, thing, rbi, startrbi, percent;
3860
3861 // "dot" movement commands
3862 cmd1 = " \n\r\002\004\005\006\025\0310^$-+wWeEbBhjklHL";
3863
3864 // is there already a command running?
3865 if (readed_for_parse > 0)
3866 goto cd1;
3867 cd0:
3868 startrbi = rbi = 0;
3869 sleeptime = 0; // how long to pause between commands
3870 memset(readbuffer, '\0', BUFSIZ); // clear the read buffer
3871 // generate a command by percentages
3872 percent = (int) lrand48() % 100; // get a number from 0-99
3873 if (percent < Mp) { // Movement commands
3874 // available commands
3875 cmd = cmd1;
3876 M++;
3877 } else if (percent < Np) { // non-movement commands
3878 cmd = "mz<>\'\""; // available commands
3879 N++;
3880 } else if (percent < Dp) { // Delete commands
3881 cmd = "dx"; // available commands
3882 D++;
3883 } else if (percent < Ip) { // Inset commands
3884 cmd = "iIaAsrJ"; // available commands
3885 I++;
3886 } else if (percent < Yp) { // Yank commands
3887 cmd = "yY"; // available commands
3888 Y++;
3889 } else if (percent < Pp) { // Put commands
3890 cmd = "pP"; // available commands
3891 P++;
3892 } else {
3893 // We do not know how to handle this command, try again
3894 U++;
3895 goto cd0;
3896 }
3897 // randomly pick one of the available cmds from "cmd[]"
3898 i = (int) lrand48() % strlen(cmd);
3899 cm = cmd[i];
3900 if (strchr(":\024", cm))
3901 goto cd0; // dont allow colon or ctrl-T commands
3902 readbuffer[rbi++] = cm; // put cmd into input buffer
3903
3904 // now we have the command-
3905 // there are 1, 2, and multi char commands
3906 // find out which and generate the rest of command as necessary
3907 if (strchr("dmryz<>\'\"", cm)) { // 2-char commands
3908 cmd1 = " \n\r0$^-+wWeEbBhjklHL";
3909 if (cm == 'm' || cm == '\'' || cm == '\"') { // pick a reg[]
3910 cmd1 = "abcdefghijklmnopqrstuvwxyz";
3911 }
3912 thing = (int) lrand48() % strlen(cmd1); // pick a movement command
3913 c = cmd1[thing];
3914 readbuffer[rbi++] = c; // add movement to input buffer
3915 }
3916 if (strchr("iIaAsc", cm)) { // multi-char commands
3917 if (cm == 'c') {
3918 // change some thing
3919 thing = (int) lrand48() % strlen(cmd1); // pick a movement command
3920 c = cmd1[thing];
3921 readbuffer[rbi++] = c; // add movement to input buffer
3922 }
3923 thing = (int) lrand48() % 4; // what thing to insert
3924 cnt = (int) lrand48() % 10; // how many to insert
3925 for (i = 0; i < cnt; i++) {
3926 if (thing == 0) { // insert chars
3927 readbuffer[rbi++] = chars[((int) lrand48() % strlen(chars))];
3928 } else if (thing == 1) { // insert words
3929 strcat((char *) readbuffer, words[(int) lrand48() % 20]);
3930 strcat((char *) readbuffer, " ");
3931 sleeptime = 0; // how fast to type
3932 } else if (thing == 2) { // insert lines
3933 strcat((char *) readbuffer, lines[(int) lrand48() % 20]);
3934 sleeptime = 0; // how fast to type
3935 } else { // insert multi-lines
3936 strcat((char *) readbuffer, multilines[(int) lrand48() % 20]);
3937 sleeptime = 0; // how fast to type
3938 }
3939 }
3940 strcat((char *) readbuffer, "\033");
3941 }
3942 readed_for_parse = strlen(readbuffer);
3943 cd1:
3944 totalcmds++;
3945 if (sleeptime > 0)
3946 (void) mysleep(sleeptime); // sleep 1/100 sec
3947}
3948
3949// test to see if there are any errors
3950static void crash_test()
3951{
3952 static time_t oldtim;
3953 time_t tim;
3954 char d[2], buf[BUFSIZ], msg[BUFSIZ];
3955
3956 msg[0] = '\0';
3957 if (end < text) {
3958 strcat((char *) msg, "end<text ");
3959 }
3960 if (end > textend) {
3961 strcat((char *) msg, "end>textend ");
3962 }
3963 if (dot < text) {
3964 strcat((char *) msg, "dot<text ");
3965 }
3966 if (dot > end) {
3967 strcat((char *) msg, "dot>end ");
3968 }
3969 if (screenbegin < text) {
3970 strcat((char *) msg, "screenbegin<text ");
3971 }
3972 if (screenbegin > end - 1) {
3973 strcat((char *) msg, "screenbegin>end-1 ");
3974 }
3975
3976 if (strlen(msg) > 0) {
3977 alarm(0);
3978 printf(buf, "\n\n%d: \'%c\' %s\n\n\n%s[Hit return to continue]%s",
3979 totalcmds, last_input_char, msg, SOs, SOn);
3980 fflush(stdout);
3981 while (read(0, d, 1) > 0) {
3982 if (d[0] == '\n' || d[0] == '\r')
3983 break;
3984 }
3985 alarm(3);
3986 }
3987 tim = (time_t) time((time_t *) 0);
3988 if (tim >= (oldtim + 3)) {
3989 sprintf((char *) status_buffer,
3990 "Tot=%d: M=%d N=%d I=%d D=%d Y=%d P=%d U=%d size=%d",
3991 totalcmds, M, N, I, D, Y, P, U, end - text + 1);
3992 oldtim = tim;
3993 }
3994 return;
3995}
3996#endif /* CONFIG_FEATURE_VI_CRASHME */
diff --git a/libbb/procps.c b/libbb/procps.c
index e76e1ac36..2d2a9665f 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -115,7 +115,7 @@ extern procps_status_t * procps_scan(int save_user_arg0)
115 buf[--n] = 0; 115 buf[--n] = 0;
116 name = buf; 116 name = buf;
117 while(n) { 117 while(n) {
118 if(*name < ' ') 118 if(((unsigned char)*name) < ' ')
119 *name = ' '; 119 *name = ' ';
120 name++; 120 name++;
121 n--; 121 n--;
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-22 13:23:21 +0000