diff options
Diffstat (limited to 'editors/vi.c')
| -rw-r--r-- | editors/vi.c | 407 |
1 files changed, 205 insertions, 202 deletions
diff --git a/editors/vi.c b/editors/vi.c index dc93bc4..46181cf 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -21,10 +21,11 @@ * An "ex" line oriented mode- maybe using "cmdedit" */ - #include "busybox.h" -#ifdef CONFIG_LOCALE_SUPPORT +#define ENABLE_FEATURE_VI_CRASHME 0 + +#if ENABLE_LOCALE_SUPPORT #define Isprint(c) isprint((c)) #else #define Isprint(c) ( (c) >= ' ' && (c) != 127 && (c) != ((unsigned char)'\233') ) @@ -127,35 +128,35 @@ static Byte erase_char; // the users erase character static Byte last_input_char; // last char read from user static Byte last_forward_char; // last char searched for with 'f' -#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR +#if ENABLE_FEATURE_VI_OPTIMIZE_CURSOR static int last_row; // where the cursor was last moved to -#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */ -#ifdef CONFIG_FEATURE_VI_USE_SIGNALS +#endif +#if ENABLE_FEATURE_VI_USE_SIGNALS static jmp_buf restart; // catch_sig() -#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ -#if defined(CONFIG_FEATURE_VI_USE_SIGNALS) || defined(CONFIG_FEATURE_VI_CRASHME) +#endif +#if ENABLE_FEATURE_VI_USE_SIGNALS || ENABLE_FEATURE_VI_CRASHME static int my_pid; #endif -#ifdef CONFIG_FEATURE_VI_DOT_CMD +#if ENABLE_FEATURE_VI_DOT_CMD static int adding2q; // are we currently adding user input to q static Byte *last_modifying_cmd; // last modifying cmd for "." static Byte *ioq, *ioq_start; // pointer to string for get_one_char to "read" -#endif /* CONFIG_FEATURE_VI_DOT_CMD */ -#if defined(CONFIG_FEATURE_VI_DOT_CMD) || defined(CONFIG_FEATURE_VI_YANKMARK) +#endif +#if ENABLE_FEATURE_VI_DOT_CMD || ENABLE_FEATURE_VI_YANKMARK static Byte *modifying_cmds; // cmds that modify text[] -#endif /* CONFIG_FEATURE_VI_DOT_CMD || CONFIG_FEATURE_VI_YANKMARK */ -#ifdef CONFIG_FEATURE_VI_READONLY +#endif +#if ENABLE_FEATURE_VI_READONLY static int vi_readonly, readonly; -#endif /* CONFIG_FEATURE_VI_READONLY */ -#ifdef CONFIG_FEATURE_VI_YANKMARK +#endif +#if ENABLE_FEATURE_VI_YANKMARK static Byte *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 Byte *mark[28]; // user marks points somewhere in text[]- a-z and previous context '' static Byte *context_start, *context_end; -#endif /* CONFIG_FEATURE_VI_YANKMARK */ -#ifdef CONFIG_FEATURE_VI_SEARCH +#endif +#if ENABLE_FEATURE_VI_SEARCH static Byte *last_search_pattern; // last pattern from a '/' or '?' search -#endif /* CONFIG_FEATURE_VI_SEARCH */ +#endif static void edit_file(Byte *); // edit one file @@ -220,42 +221,42 @@ static void Indicate_Error(void); // use flash or beep to indicate error #define indicate_error(c) Indicate_Error() static void Hit_Return(void); -#ifdef CONFIG_FEATURE_VI_SEARCH +#if ENABLE_FEATURE_VI_SEARCH static Byte *char_search(Byte *, Byte *, int, int); // search for pattern starting at p static int mycmp(Byte *, Byte *, int); // string cmp based in "ignorecase" -#endif /* CONFIG_FEATURE_VI_SEARCH */ -#ifdef CONFIG_FEATURE_VI_COLON +#endif +#if ENABLE_FEATURE_VI_COLON static Byte *get_one_address(Byte *, int *); // get colon addr, if present static Byte *get_address(Byte *, int *, int *); // get two colon addrs, if present static void colon(Byte *); // execute the "colon" mode cmds -#endif /* CONFIG_FEATURE_VI_COLON */ -#ifdef CONFIG_FEATURE_VI_USE_SIGNALS +#endif +#if ENABLE_FEATURE_VI_USE_SIGNALS static void winch_sig(int); // catch window size changes static void suspend_sig(int); // catch ctrl-Z static void catch_sig(int); // catch ctrl-C and alarm time-outs -#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ -#ifdef CONFIG_FEATURE_VI_DOT_CMD +#endif +#if ENABLE_FEATURE_VI_DOT_CMD static void start_new_cmd_q(Byte); // new queue for command static void end_cmd_q(void); // stop saving input chars -#else /* CONFIG_FEATURE_VI_DOT_CMD */ -#define end_cmd_q() -#endif /* CONFIG_FEATURE_VI_DOT_CMD */ -#ifdef CONFIG_FEATURE_VI_SETOPTS +#else +#define end_cmd_q() ((void)0) +#endif +#if ENABLE_FEATURE_VI_SETOPTS static void showmatching(Byte *); // show the matching pair () [] {} -#endif /* CONFIG_FEATURE_VI_SETOPTS */ -#if defined(CONFIG_FEATURE_VI_YANKMARK) || (defined(CONFIG_FEATURE_VI_COLON) && defined(CONFIG_FEATURE_VI_SEARCH)) || defined(CONFIG_FEATURE_VI_CRASHME) +#endif +#if ENABLE_FEATURE_VI_YANKMARK || (ENABLE_FEATURE_VI_COLON && ENABLE_FEATURE_VI_SEARCH) || ENABLE_FEATURE_VI_CRASHME static Byte *string_insert(Byte *, Byte *); // insert the string at 'p' -#endif /* CONFIG_FEATURE_VI_YANKMARK || CONFIG_FEATURE_VI_SEARCH || CONFIG_FEATURE_VI_CRASHME */ -#ifdef CONFIG_FEATURE_VI_YANKMARK +#endif +#if ENABLE_FEATURE_VI_YANKMARK static Byte *text_yank(Byte *, Byte *, int); // save copy of "p" into a register static Byte what_reg(void); // what is letter of current YDreg static void check_context(Byte); // remember context for '' command -#endif /* CONFIG_FEATURE_VI_YANKMARK */ -#ifdef CONFIG_FEATURE_VI_CRASHME +#endif +#if ENABLE_FEATURE_VI_CRASHME static void crash_dummy(); static void crash_test(); static int crashme = 0; -#endif /* CONFIG_FEATURE_VI_CRASHME */ +#endif static void write1(const char *out) @@ -268,52 +269,52 @@ int vi_main(int argc, char **argv) int c; RESERVE_CONFIG_BUFFER(STATUS_BUFFER, STATUS_BUFFER_LEN); -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK int i; -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif #if defined(CONFIG_FEATURE_VI_USE_SIGNALS) || defined(CONFIG_FEATURE_VI_CRASHME) my_pid = getpid(); #endif -#ifdef CONFIG_FEATURE_VI_CRASHME +#if ENABLE_FEATURE_VI_CRASHME (void) srand((long) my_pid); -#endif /* CONFIG_FEATURE_VI_CRASHME */ +#endif status_buffer = (Byte *)STATUS_BUFFER; last_status_cksum = 0; -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY vi_readonly = readonly = FALSE; if (strncmp(argv[0], "view", 4) == 0) { readonly = TRUE; vi_readonly = TRUE; } -#endif /* CONFIG_FEATURE_VI_READONLY */ +#endif vi_setops = VI_AUTOINDENT | VI_SHOWMATCH | VI_IGNORECASE | VI_ERR_METHOD; -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK for (i = 0; i < 28; i++) { reg[i] = 0; } // init the yank regs -#endif /* CONFIG_FEATURE_VI_YANKMARK */ -#if defined(CONFIG_FEATURE_VI_DOT_CMD) || defined(CONFIG_FEATURE_VI_YANKMARK) +#endif +#if ENABLE_FEATURE_VI_DOT_CMD || ENABLE_FEATURE_VI_YANKMARK modifying_cmds = (Byte *) "aAcCdDiIJoOpPrRsxX<>~"; // cmds modifying text[] -#endif /* CONFIG_FEATURE_VI_DOT_CMD */ +#endif // 1- process $HOME/.exrc file // 2- process EXINIT variable from environment // 3- process command line args while ((c = getopt(argc, argv, "hCR")) != -1) { switch (c) { -#ifdef CONFIG_FEATURE_VI_CRASHME +#if ENABLE_FEATURE_VI_CRASHME case 'C': crashme = 1; break; -#endif /* CONFIG_FEATURE_VI_CRASHME */ -#ifdef CONFIG_FEATURE_VI_READONLY +#endif +#if ENABLE_FEATURE_VI_READONLY case 'R': // Read-only flag readonly = TRUE; vi_readonly = TRUE; break; -#endif /* CONFIG_FEATURE_VI_READONLY */ +#endif //case 'r': // recover flag- ignore- we don't use tmp file //case 'x': // encryption flag- ignore //case 'c': // execute command first @@ -351,12 +352,12 @@ static void edit_file(Byte * fn) Byte c; int cnt, size, ch; -#ifdef CONFIG_FEATURE_VI_USE_SIGNALS +#if ENABLE_FEATURE_VI_USE_SIGNALS int sig; -#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ -#ifdef CONFIG_FEATURE_VI_YANKMARK +#endif +#if ENABLE_FEATURE_VI_YANKMARK static Byte *cur_line; -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif rawmode(); rows = 24; @@ -378,20 +379,20 @@ static void edit_file(Byte * fn) } file_modified = 0; last_file_modified = -1; -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK YDreg = 26; // default Yank/Delete reg Ureg = 27; // hold orig line for "U" cmd for (cnt = 0; cnt < 28; cnt++) { mark[cnt] = 0; } // init the marks mark[26] = mark[27] = text; // init "previous context" -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif last_forward_char = last_input_char = '\0'; crow = 0; ccol = 0; -#ifdef CONFIG_FEATURE_VI_USE_SIGNALS +#if ENABLE_FEATURE_VI_USE_SIGNALS catch_sig(0); signal(SIGWINCH, winch_sig); signal(SIGTSTP, suspend_sig); @@ -399,7 +400,7 @@ static void edit_file(Byte * fn) if (sig != 0) { screenbegin = dot = text; } -#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ +#endif editing = 1; cmd_mode = 0; // 0=command 1=insert 2='R'eplace @@ -407,18 +408,18 @@ static void edit_file(Byte * fn) tabstop = 8; offset = 0; // no horizontal offset c = '\0'; -#ifdef CONFIG_FEATURE_VI_DOT_CMD +#if ENABLE_FEATURE_VI_DOT_CMD free(last_modifying_cmd); free(ioq_start); ioq = ioq_start = last_modifying_cmd = 0; adding2q = 0; -#endif /* CONFIG_FEATURE_VI_DOT_CMD */ +#endif redraw(FALSE); // dont force every col re-draw show_status_line(); //------This is the main Vi cmd handling loop ----------------------- while (editing > 0) { -#ifdef CONFIG_FEATURE_VI_CRASHME +#if ENABLE_FEATURE_VI_CRASHME if (crashme > 0) { if ((end - text) > 1) { crash_dummy(); // generate a random command @@ -429,23 +430,23 @@ static void edit_file(Byte * fn) refresh(FALSE); } } -#endif /* CONFIG_FEATURE_VI_CRASHME */ +#endif last_input_char = c = get_one_char(); // get a cmd from user -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK // save a copy of the current line- for the 'U" command if (begin_line(dot) != cur_line) { cur_line = begin_line(dot); text_yank(begin_line(dot), end_line(dot), Ureg); } -#endif /* CONFIG_FEATURE_VI_YANKMARK */ -#ifdef CONFIG_FEATURE_VI_DOT_CMD +#endif +#if ENABLE_FEATURE_VI_DOT_CMD // These are commands that change text[]. // Remember the input for the "." command if (!adding2q && ioq_start == 0 && strchr((char *) modifying_cmds, c) != NULL) { start_new_cmd_q(c); } -#endif /* CONFIG_FEATURE_VI_DOT_CMD */ +#endif do_cmd(c); // execute the user command // // poll to see if there is input already waiting. if we are @@ -456,10 +457,10 @@ static void edit_file(Byte * fn) refresh(FALSE); show_status_line(); } -#ifdef CONFIG_FEATURE_VI_CRASHME +#if ENABLE_FEATURE_VI_CRASHME if (crashme > 0) crash_test(); // test editor variables -#endif /* CONFIG_FEATURE_VI_CRASHME */ +#endif } //------------------------------------------------------------------- @@ -469,25 +470,25 @@ static void edit_file(Byte * fn) } //----- The Colon commands ------------------------------------- -#ifdef CONFIG_FEATURE_VI_COLON +#if ENABLE_FEATURE_VI_COLON static Byte *get_one_address(Byte * p, int *addr) // get colon addr, if present { int st; Byte *q; -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK Byte c; -#endif /* CONFIG_FEATURE_VI_YANKMARK */ -#ifdef CONFIG_FEATURE_VI_SEARCH +#endif +#if ENABLE_FEATURE_VI_SEARCH Byte *pat, buf[BUFSIZ]; -#endif /* CONFIG_FEATURE_VI_SEARCH */ +#endif *addr = -1; // assume no addr if (*p == '.') { // the current line p++; q = begin_line(dot); *addr = count_lines(text, q); -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK } else if (*p == '\'') { // is this a mark addr p++; c = tolower(*p); @@ -500,8 +501,8 @@ static Byte *get_one_address(Byte * p, int *addr) // get colon addr, if present *addr = count_lines(text, q); // count lines } } -#endif /* CONFIG_FEATURE_VI_YANKMARK */ -#ifdef CONFIG_FEATURE_VI_SEARCH +#endif +#if ENABLE_FEATURE_VI_SEARCH } else if (*p == '/') { // a search pattern q = buf; for (p++; *p; p++) { @@ -518,7 +519,7 @@ static Byte *get_one_address(Byte * p, int *addr) // get colon addr, if present *addr = count_lines(text, q); } free(pat); -#endif /* CONFIG_FEATURE_VI_SEARCH */ +#endif } else if (*p == '$') { // the last line in file p++; q = begin_line(end - 1); @@ -561,7 +562,7 @@ ga0: return p; } -#ifdef CONFIG_FEATURE_VI_SETOPTS +#if ENABLE_FEATURE_VI_SET && ENABLE_FEATURE_VI_SETOPTS static void setops(const Byte *args, const char *opname, int flg_no, const char *short_opname, int opt) { @@ -747,7 +748,7 @@ static void colon(Byte * buf) } file_modified = 0; last_file_modified = -1; -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK if (Ureg >= 0 && Ureg < 28 && reg[Ureg] != 0) { free(reg[Ureg]); // free orig line reg- for 'U' reg[Ureg]= 0; @@ -759,18 +760,18 @@ static void colon(Byte * buf) for (li = 0; li < 28; li++) { mark[li] = 0; } // init the marks -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif // how many lines in text[]? li = count_lines(text, end - 1); psb("\"%s\"%s" -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY "%s" -#endif /* CONFIG_FEATURE_VI_READONLY */ +#endif " %dL, %dC", cfn, (sr < 0 ? " [New file]" : ""), -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY ((vi_readonly || readonly) ? " [Read only]" : ""), -#endif /* CONFIG_FEATURE_VI_READONLY */ +#endif li, ch); } else if (strncasecmp((char *) cmd, "file", i) == 0) { // what File is this if (b != -1 || e != -1) { @@ -823,9 +824,9 @@ static void colon(Byte * buf) if (c_is_no_print) standout_end(); } -#ifdef CONFIG_FEATURE_VI_SET - vc2: -#endif /* CONFIG_FEATURE_VI_SET */ +#if ENABLE_FEATURE_VI_SET + vc2: +#endif Hit_Return(); } else if ((strncasecmp((char *) cmd, "quit", i) == 0) || // Quit (strncasecmp((char *) cmd, "next", i) == 0)) { // edit next file @@ -865,11 +866,11 @@ static void colon(Byte * buf) // read after current line- unless user said ":0r foo" if (b != 0) q = next_line(q); -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY l= readonly; // remember current files' status #endif ch = file_insert(fn, q, file_size(fn)); -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY readonly= l; #endif if (ch < 0) @@ -877,13 +878,13 @@ static void colon(Byte * buf) // how many lines in text[]? li = count_lines(q, q + ch - 1); psb("\"%s\"" -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY "%s" -#endif /* CONFIG_FEATURE_VI_READONLY */ +#endif " %dL, %dC", fn, -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY ((vi_readonly || readonly) ? " [Read only]" : ""), -#endif /* CONFIG_FEATURE_VI_READONLY */ +#endif li, ch); if (ch > 0) { // if the insert is before "dot" then we need to update @@ -899,7 +900,7 @@ static void colon(Byte * buf) optind = fn_start - 1; editing = 0; } -#ifdef CONFIG_FEATURE_VI_SET +#if ENABLE_FEATURE_VI_SET } else if (strncasecmp((char *) cmd, "set", i) == 0) { // set or clear features i = 0; // offset into args if (strlen((char *) args) == 0) { @@ -907,7 +908,7 @@ static void colon(Byte * buf) place_cursor(rows - 1, 0, FALSE); // go to Status line, bottom of screen clear_to_eol(); // clear the line printf("----------------------------------------\r\n"); -#ifdef CONFIG_FEATURE_VI_SETOPTS +#if ENABLE_FEATURE_VI_SETOPTS if (!autoindent) printf("no"); printf("autoindent "); @@ -921,13 +922,13 @@ static void colon(Byte * buf) printf("no"); printf("showmatch "); printf("tabstop=%d ", tabstop); -#endif /* CONFIG_FEATURE_VI_SETOPTS */ +#endif printf("\r\n"); goto vc2; } if (strncasecmp((char *) args, "no", 2) == 0) i = 2; // ":set noautoindent" -#ifdef CONFIG_FEATURE_VI_SETOPTS +#if ENABLE_FEATURE_VI_SETOPTS setops(args, "autoindent ", i, "ai", VI_AUTOINDENT); setops(args, "flash ", i, "fl", VI_ERR_METHOD); setops(args, "ignorecase ", i, "ic", VI_IGNORECASE); @@ -937,9 +938,9 @@ static void colon(Byte * buf) if (ch > 0 && ch < columns - 1) tabstop = ch; } -#endif /* CONFIG_FEATURE_VI_SETOPTS */ -#endif /* CONFIG_FEATURE_VI_SET */ -#ifdef CONFIG_FEATURE_VI_SEARCH +#endif /* FEATURE_VI_SETOPTS */ +#endif /* FEATURE_VI_SET */ +#if ENABLE_FEATURE_VI_SEARCH } else if (strncasecmp((char *) cmd, "s", 1) == 0) { // substitute a pattern with a replacement pattern Byte *ls, *F, *R; int gflag; @@ -986,7 +987,7 @@ static void colon(Byte * buf) } q = next_line(ls); } -#endif /* CONFIG_FEATURE_VI_SEARCH */ +#endif /* FEATURE_VI_SEARCH */ } else if (strncasecmp((char *) cmd, "version", i) == 0) { // show software version psb("%s", BB_VER " " BB_BT); } else if (strncasecmp((char *) cmd, "write", i) == 0 // write text to file @@ -997,12 +998,12 @@ static void colon(Byte * buf) if (strlen((char *) args) > 0) { fn = args; } -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY if ((vi_readonly || readonly) && ! useforce) { psbs("\"%s\" File is read only", fn); goto vc3; } -#endif /* CONFIG_FEATURE_VI_READONLY */ +#endif // how many lines in text[]? li = count_lines(q, r); ch = r - q + 1; @@ -1035,10 +1036,10 @@ static void colon(Byte * buf) editing = 0; } } -#ifdef CONFIG_FEATURE_VI_READONLY - vc3:; -#endif /* CONFIG_FEATURE_VI_READONLY */ -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_READONLY + vc3:; +#endif +#if ENABLE_FEATURE_VI_YANKMARK } else if (strncasecmp((char *) cmd, "yank", i) == 0) { // yank lines if (b < 0) { // no addr given- use defaults q = begin_line(dot); // assume .,. for the range @@ -1048,7 +1049,7 @@ static void colon(Byte * buf) li = count_lines(q, r); psb("Yank %d lines (%d chars) into [%c]", li, strlen((char *) reg[YDreg]), what_reg()); -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif } else { // cmd unknown ni((Byte *) cmd); @@ -1056,13 +1057,13 @@ static void colon(Byte * buf) vc1: dot = bound_dot(dot); // make sure "dot" is valid return; -#ifdef CONFIG_FEATURE_VI_SEARCH +#if ENABLE_FEATURE_VI_SEARCH colon_s_fail: psb(":s expression missing delimiters"); #endif } -#endif /* CONFIG_FEATURE_VI_COLON */ +#endif /* FEATURE_VI_COLON */ static void Hit_Return(void) { @@ -1391,17 +1392,17 @@ static Byte *new_text(int size) return text; } -#ifdef CONFIG_FEATURE_VI_SEARCH +#if ENABLE_FEATURE_VI_SEARCH static int mycmp(Byte * s1, Byte * s2, int len) { int i; i = strncmp((char *) s1, (char *) s2, len); -#ifdef CONFIG_FEATURE_VI_SETOPTS +#if ENABLE_FEATURE_VI_SETOPTS if (ignorecase) { i = strncasecmp((char *) s1, (char *) s2, len); } -#endif /* CONFIG_FEATURE_VI_SETOPTS */ +#endif return i; } @@ -1494,9 +1495,9 @@ static Byte *char_search(Byte * p, Byte * pat, int dir, int range) // search for p = p - i; } return p; -#endif /*REGEX_SEARCH */ +#endif /* REGEX_SEARCH */ } -#endif /* CONFIG_FEATURE_VI_SEARCH */ +#endif /* FEATURE_VI_SEARCH */ static Byte *char_insert(Byte * p, Byte c) // insert the char c at 'p' { @@ -1530,7 +1531,7 @@ static Byte *char_insert(Byte * p, Byte c) // insert the char c at 'p' c = '\n'; // translate \r to \n sp = p; // remember addr of insert p = stupid_insert(p, c); // insert the char -#ifdef CONFIG_FEATURE_VI_SETOPTS +#if ENABLE_FEATURE_VI_SETOPTS if (showmatch && strchr(")]}", *sp) != NULL) { showmatching(sp); } @@ -1542,7 +1543,7 @@ static Byte *char_insert(Byte * p, Byte c) // insert the char c at 'p' p = stupid_insert(p, *q); // insert the char } } -#endif /* CONFIG_FEATURE_VI_SETOPTS */ +#endif } return p; } @@ -1712,7 +1713,7 @@ static Byte *find_pair(Byte * p, Byte c) return q; } -#ifdef CONFIG_FEATURE_VI_SETOPTS +#if ENABLE_FEATURE_VI_SETOPTS // show the matching char of a pair, () [] {} static void showmatching(Byte * p) { @@ -1732,7 +1733,7 @@ static void showmatching(Byte * p) refresh(FALSE); } } -#endif /* CONFIG_FEATURE_VI_SETOPTS */ +#endif /* FEATURE_VI_SETOPTS */ // open a hole in text[] static Byte *text_hole_make(Byte * p, int size) // at "p", make a 'size' byte hole @@ -1819,9 +1820,9 @@ static Byte *yank_delete(Byte * start, Byte * stop, int dist, int yf) } } p = start; -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK text_yank(start, stop, YDreg); -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif if (yf == YANKDEL) { p = text_hole_delete(start, stop); } // delete lines @@ -1831,33 +1832,33 @@ static Byte *yank_delete(Byte * start, Byte * stop, int dist, int yf) static void show_help(void) { puts("These features are available:" -#ifdef CONFIG_FEATURE_VI_SEARCH +#if ENABLE_FEATURE_VI_SEARCH "\n\tPattern searches with / and ?" -#endif /* CONFIG_FEATURE_VI_SEARCH */ -#ifdef CONFIG_FEATURE_VI_DOT_CMD +#endif +#if ENABLE_FEATURE_VI_DOT_CMD "\n\tLast command repeat with \'.\'" -#endif /* CONFIG_FEATURE_VI_DOT_CMD */ -#ifdef CONFIG_FEATURE_VI_YANKMARK +#endif +#if ENABLE_FEATURE_VI_YANKMARK "\n\tLine marking with 'x" "\n\tNamed buffers with \"x" -#endif /* CONFIG_FEATURE_VI_YANKMARK */ -#ifdef CONFIG_FEATURE_VI_READONLY +#endif +#if ENABLE_FEATURE_VI_READONLY "\n\tReadonly if vi is called as \"view\"" "\n\tReadonly with -R command line arg" -#endif /* CONFIG_FEATURE_VI_READONLY */ -#ifdef CONFIG_FEATURE_VI_SET +#endif +#if ENABLE_FEATURE_VI_SET "\n\tSome colon mode commands with \':\'" -#endif /* CONFIG_FEATURE_VI_SET */ -#ifdef CONFIG_FEATURE_VI_SETOPTS +#endif +#if ENABLE_FEATURE_VI_SETOPTS "\n\tSettable options with \":set\"" -#endif /* CONFIG_FEATURE_VI_SETOPTS */ -#ifdef CONFIG_FEATURE_VI_USE_SIGNALS +#endif +#if ENABLE_FEATURE_VI_USE_SIGNALS "\n\tSignal catching- ^C" "\n\tJob suspend and resume with ^Z" -#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ -#ifdef CONFIG_FEATURE_VI_WIN_RESIZE +#endif +#if ENABLE_FEATURE_VI_WIN_RESIZE "\n\tAdapt to window re-sizes" -#endif /* CONFIG_FEATURE_VI_WIN_RESIZE */ +#endif ); } @@ -1895,7 +1896,7 @@ static inline void print_literal(Byte * buf, Byte * s) // copy s to buf, convert } } -#ifdef CONFIG_FEATURE_VI_DOT_CMD +#if ENABLE_FEATURE_VI_DOT_CMD static void start_new_cmd_q(Byte c) { // release old cmd @@ -1913,15 +1914,17 @@ static void start_new_cmd_q(Byte c) static void end_cmd_q(void) { -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK YDreg = 26; // go back to default Yank/Delete reg -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif adding2q = 0; return; } -#endif /* CONFIG_FEATURE_VI_DOT_CMD */ +#endif /* FEATURE_VI_DOT_CMD */ -#if defined(CONFIG_FEATURE_VI_YANKMARK) || (defined(CONFIG_FEATURE_VI_COLON) && defined(CONFIG_FEATURE_VI_SEARCH)) || defined(CONFIG_FEATURE_VI_CRASHME) +#if ENABLE_FEATURE_VI_YANKMARK \ + || (ENABLE_FEATURE_VI_COLON && ENABLE_FEATURE_VI_SEARCH) \ + || ENABLE_FEATURE_VI_CRASHME static Byte *string_insert(Byte * p, Byte * s) // insert the string at 'p' { int cnt, i; @@ -1933,14 +1936,14 @@ static Byte *string_insert(Byte * p, Byte * s) // insert the string at 'p' if (*s == '\n') cnt++; } -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK psb("Put %d lines (%d chars) from [%c]", cnt, i, what_reg()); -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif return p; } -#endif /* CONFIG_FEATURE_VI_YANKMARK || CONFIG_FEATURE_VI_COLON || CONFIG_FEATURE_VI_CRASHME */ +#endif -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK static Byte *text_yank(Byte * p, Byte * q, int dest) // copy text into a register { Byte *t; @@ -2010,7 +2013,7 @@ static inline Byte *swap_context(Byte * p) // goto new context for '' command ma } return p; } -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif /* FEATURE_VI_YANKMARK */ static int isblnk(Byte c) // is the char a blank or tab { @@ -2038,7 +2041,7 @@ static void cookmode(void) } //----- Come here when we get a window resize signal --------- -#ifdef CONFIG_FEATURE_VI_USE_SIGNALS +#if ENABLE_FEATURE_VI_USE_SIGNALS static void winch_sig(int sig ATTRIBUTE_UNUSED) { signal(SIGWINCH, winch_sig); @@ -2079,7 +2082,7 @@ static void catch_sig(int sig) if(sig) longjmp(restart, sig); } -#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ +#endif /* FEATURE_VI_USE_SIGNALS */ static int mysleep(int hund) // sleep for 'h' 1/100 seconds { @@ -2226,7 +2229,7 @@ static Byte get_one_char(void) { static Byte c; -#ifdef CONFIG_FEATURE_VI_DOT_CMD +#if ENABLE_FEATURE_VI_DOT_CMD // ! adding2q && ioq == 0 read() // ! adding2q && ioq != 0 *ioq // adding2q *last_modifying_cmd= read() @@ -2259,9 +2262,9 @@ static Byte get_one_char(void) } } } -#else /* CONFIG_FEATURE_VI_DOT_CMD */ +#else c = readit(); // get the users input -#endif /* CONFIG_FEATURE_VI_DOT_CMD */ +#endif /* FEATURE_VI_DOT_CMD */ return c; // return the char, where ever it came from } @@ -2324,9 +2327,9 @@ static int file_insert(Byte * fn, Byte * p, int size) int fd, cnt; cnt = -1; -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY readonly = FALSE; -#endif /* CONFIG_FEATURE_VI_READONLY */ +#endif if (fn == 0 || strlen((char*) fn) <= 0) { psbs("No filename given"); goto fi0; @@ -2346,13 +2349,13 @@ static int file_insert(Byte * fn, Byte * p, int size) } // see if we can open the file -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY if (vi_readonly) goto fi1; // do not try write-mode #endif fd = open((char *) fn, O_RDWR); // assume read & write if (fd < 0) { // could not open for writing- maybe file is read only -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY fi1: #endif fd = open((char *) fn, O_RDONLY); // try read-only @@ -2360,10 +2363,10 @@ static int file_insert(Byte * fn, Byte * p, int size) psbs("\"%s\" %s", fn, "cannot open file"); goto fi0; } -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY // got the file- read-only readonly = TRUE; -#endif /* CONFIG_FEATURE_VI_READONLY */ +#endif } p = text_hole_make(p, size); cnt = read(fd, p, size); @@ -2425,12 +2428,12 @@ static void place_cursor(int row, int col, int opti) { char cm1[BUFSIZ]; char *cm; -#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR +#if ENABLE_FEATURE_VI_OPTIMIZE_CURSOR char cm2[BUFSIZ]; Byte *screenp; // char cm3[BUFSIZ]; int Rrow= last_row; -#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */ +#endif memset(cm1, '\0', BUFSIZ - 1); // clear the buffer @@ -2444,7 +2447,7 @@ static void place_cursor(int row, int col, int opti) cm= cm1; if (! opti) goto pc0; -#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR +#if ENABLE_FEATURE_VI_OPTIMIZE_CURSOR //----- find the minimum # of chars to move cursor ------------- //----- 2. Try moving with discreet chars (Newline, [back]space, ...) memset(cm2, '\0', BUFSIZ - 1); // clear the buffer @@ -2477,8 +2480,8 @@ static void place_cursor(int row, int col, int opti) } /* else if (strlen(cm3) < strlen(cm)) { cm= cm3; } */ -#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */ - pc0: +#endif /* FEATURE_VI_OPTIMIZE_CURSOR */ + pc0: write1(cm); // move the cursor } @@ -2518,10 +2521,10 @@ static void flash(int h) static void Indicate_Error(void) { -#ifdef CONFIG_FEATURE_VI_CRASHME +#if ENABLE_FEATURE_VI_CRASHME if (crashme > 0) return; // generate a random command -#endif /* CONFIG_FEATURE_VI_CRASHME */ +#endif if (!err_method) { write1(bell); // send out a bell character } else { @@ -2649,14 +2652,14 @@ static int format_edit_status(void) // show file status on status line columns : STATUS_BUFFER_LEN-1; ret = snprintf((char *) status_buffer, trunc_at+1, -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY "%c %s%s%s %d/%d %d%%", #else "%c %s%s %d/%d %d%%", #endif (cmd_mode ? (cmd_mode == 2 ? 'R':'I'):'-'), (cfn != 0 ? (char *) cfn : "No file"), -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY ((vi_readonly || readonly) ? " [Read-only]" : ""), #endif (file_modified ? " [modified]" : ""), @@ -2733,9 +2736,9 @@ static void refresh(int full_screen) int li, changed; Byte buf[MAX_SCR_COLS]; Byte *tp, *sp; // pointer into text[] and screen[] -#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR +#if ENABLE_FEATURE_VI_OPTIMIZE_CURSOR int last_li= -2; // last line that changed- for optimizing cursor movement -#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */ +#endif if (ENABLE_FEATURE_VI_WIN_RESIZE) get_terminal_width_height(0, &columns, &rows); @@ -2801,15 +2804,15 @@ static void refresh(int full_screen) // to handle offsets correctly place_cursor(li, cs, FALSE); } else { -#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR +#if ENABLE_FEATURE_VI_OPTIMIZE_CURSOR // if this just the next line // try to optimize cursor movement // otherwise, use standard ESC sequence place_cursor(li, cs, li == (last_li+1) ? TRUE : FALSE); last_li= li; -#else /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */ +#else place_cursor(li, cs, FALSE); // use standard ESC sequence -#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */ +#endif /* FEATURE_VI_OPTIMIZE_CURSOR */ } // write line out to terminal @@ -2822,18 +2825,18 @@ static void refresh(int full_screen) out++; } } -#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR +#if ENABLE_FEATURE_VI_OPTIMIZE_CURSOR last_row = li; -#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */ +#endif } } -#ifdef CONFIG_FEATURE_VI_OPTIMIZE_CURSOR +#if ENABLE_FEATURE_VI_OPTIMIZE_CURSOR place_cursor(crow, ccol, (crow == last_row) ? TRUE : FALSE); last_row = crow; #else place_cursor(crow, ccol, FALSE); -#endif /* CONFIG_FEATURE_VI_OPTIMIZE_CURSOR */ +#endif if (offset != old_offset) old_offset = offset; @@ -2922,11 +2925,11 @@ key_cmd_mode: //case 0x10: // dle //case 0x11: // dc1 //case 0x13: // dc3 -#ifdef CONFIG_FEATURE_VI_CRASHME +#if ENABLE_FEATURE_VI_CRASHME case 0x14: // dc4 ctrl-T crashme = (crashme == 0) ? 1 : 0; break; -#endif /* CONFIG_FEATURE_VI_CRASHME */ +#endif //case 0x16: // syn //case 0x17: // etb //case 0x18: // can @@ -2973,14 +2976,14 @@ key_cmd_mode: case VI_K_PAGEUP: // Cursor Key Page Up dot_scroll(rows - 2, -1); break; -#ifdef CONFIG_FEATURE_VI_USE_SIGNALS +#if ENABLE_FEATURE_VI_USE_SIGNALS case 0x03: // ctrl-C interrupt longjmp(restart, 1); break; case 26: // ctrl-Z suspend suspend_sig(SIGTSTP); break; -#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ +#endif case 4: // ctrl-D scroll down half screen dot_scroll((rows - 2) / 2, 1); break; @@ -3050,7 +3053,7 @@ key_cmd_mode: } // repeat cnt dot_right(); break; -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK case '"': // "- name a register to use for Delete/Yank c1 = get_one_char(); c1 = tolower(c1); @@ -3132,7 +3135,7 @@ key_cmd_mode: dot_skip_over_ws(); } break; -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif /* FEATURE_VI_YANKMARK */ case '$': // $- goto end of line case VI_K_END: // Cursor Key End if (cmdcnt-- > 1) { @@ -3181,7 +3184,7 @@ key_cmd_mode: dot_prev(); dot_skip_over_ws(); break; -#ifdef CONFIG_FEATURE_VI_DOT_CMD +#if ENABLE_FEATURE_VI_DOT_CMD case '.': // .- repeat the last modifying command // Stuff the last_modifying_cmd back into stdin // and let it be re-executed. @@ -3189,8 +3192,8 @@ key_cmd_mode: ioq = ioq_start = (Byte *) xstrdup((char *) last_modifying_cmd); } break; -#endif /* CONFIG_FEATURE_VI_DOT_CMD */ -#ifdef CONFIG_FEATURE_VI_SEARCH +#endif +#if ENABLE_FEATURE_VI_SEARCH case '?': // /- search for a pattern case '/': // /- search for a pattern buf[0] = c; @@ -3274,7 +3277,7 @@ key_cmd_mode: dot = next_line(q); // move to next blank line } break; -#endif /* CONFIG_FEATURE_VI_SEARCH */ +#endif /* FEATURE_VI_SEARCH */ case '0': // 0- goto begining of line case '1': // 1- case '2': // 2- @@ -3293,9 +3296,9 @@ key_cmd_mode: break; case ':': // :- the colon mode commands p = get_input_line((Byte *) ":"); // get input line- use "status line" -#ifdef CONFIG_FEATURE_VI_COLON +#if ENABLE_FEATURE_VI_COLON colon(p); // execute the command -#else /* CONFIG_FEATURE_VI_COLON */ +#else if (*p == ':') p++; // move past the ':' cnt = strlen((char *) p); @@ -3333,7 +3336,7 @@ key_cmd_mode: } else { // unrecognised cmd ni((Byte *) p); } -#endif /* CONFIG_FEATURE_VI_COLON */ +#endif /* !FEATURE_VI_COLON */ break; case '<': // <- Left shift something case '>': // >- Right shift something @@ -3397,10 +3400,10 @@ key_cmd_mode: dot = yank_delete(save_dot, dot, 0, YANKDEL); // delete to e-o-l if (c == 'C') goto dc_i; // start inserting -#ifdef CONFIG_FEATURE_VI_DOT_CMD +#if ENABLE_FEATURE_VI_DOT_CMD if (c == 'D') end_cmd_q(); // stop adding to q -#endif /* CONFIG_FEATURE_VI_DOT_CMD */ +#endif break; case 'G': // G- goto to a line number (default= E-O-F) dot = end - 1; // assume E-O-F @@ -3503,12 +3506,12 @@ key_cmd_mode: break; } if (file_modified) { -#ifdef CONFIG_FEATURE_VI_READONLY +#if ENABLE_FEATURE_VI_READONLY if (vi_readonly || readonly) { psbs("\"%s\" File is read only", cfn); break; } -#endif /* CONFIG_FEATURE_VI_READONLY */ +#endif cnt = file_write(cfn, text, end - 1); if (cnt < 0) { if (cnt == -1) @@ -3546,15 +3549,15 @@ key_cmd_mode: break; case 'c': // c- change something case 'd': // d- delete something -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK case 'y': // y- yank something case 'Y': // Y- Yank a line -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif yf = YANKDEL; // assume either "c" or "d" -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK if (c == 'y' || c == 'Y') yf = YANKONLY; -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif c1 = 'y'; if (c != 'Y') c1 = get_one_char(); // get the type of thing to delete @@ -3601,7 +3604,7 @@ key_cmd_mode: if (c == 'd') { strcpy((char *) buf, "Delete"); } -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK if (c == 'y' || c == 'Y') { strcpy((char *) buf, "Yank"); } @@ -3613,7 +3616,7 @@ key_cmd_mode: } psb("%s %d lines (%d chars) using [%c]", buf, cnt, strlen((char *) reg[YDreg]), what_reg()); -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif end_cmd_q(); // stop adding to q } break; @@ -3712,9 +3715,9 @@ key_cmd_mode: if (dot != end) { dot = bound_dot(dot); // make sure "dot" is valid } -#ifdef CONFIG_FEATURE_VI_YANKMARK +#if ENABLE_FEATURE_VI_YANKMARK check_context(c); // update the current context -#endif /* CONFIG_FEATURE_VI_YANKMARK */ +#endif if (!isdigit(c)) cmdcnt = 0; // cmd was not a number, reset cmdcnt @@ -3724,7 +3727,7 @@ key_cmd_mode: dot--; } -#ifdef CONFIG_FEATURE_VI_CRASHME +#if ENABLE_FEATURE_VI_CRASHME static int totalcmds = 0; static int Mp = 85; // Movement command Probability static int Np = 90; // Non-movement command Probability @@ -3927,4 +3930,4 @@ static void crash_test() } return; } -#endif /* CONFIG_FEATURE_VI_CRASHME */ +#endif |