* 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') )
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
#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)
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
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;
}
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);
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
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
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
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
}
//-------------------------------------------------------------------
}
//----- 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);
*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++) {
*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);
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)
{
dot = find_line(b); // what line is #b
dot_skip_over_ws();
}
- } else if (strncmp((char *) cmd, "!", 1) == 0) { // run a cmd
+ }
+#if ENABLE_FEATURE_ALLOW_EXEC
+ else if (strncmp((char *) cmd, "!", 1) == 0) { // run a cmd
// :!ls run the <cmd>
(void) alarm(0); // wait for input- no alarms
place_cursor(rows - 1, 0, FALSE); // go to Status line
rawmode();
Hit_Return(); // let user see results
(void) alarm(3); // done waiting for input
- } else if (strncmp((char *) cmd, "=", i) == 0) { // where is the address
+ }
+#endif
+ else if (strncmp((char *) cmd, "=", i) == 0) { // where is the address
if (b < 0) { // no addr given- use defaults
b = e = count_lines(text, dot);
}
}
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;
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) {
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
// 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)
// 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
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) {
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 ");
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);
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;
}
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
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;
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
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);
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)
{
free(screen);
screensize = ro * co + 8;
- screen = (Byte *) xmalloc(screensize);
+ screen = xmalloc(screensize);
// initialize the new screen. assume this will be a empty file.
screen_erase();
// non-existent text[] lines start with a tilde (~).
if (size < 10240)
size = 10240; // have a minimum size for new files
free(text);
- text = (Byte *) xmalloc(size + 8);
+ text = xmalloc(size + 8);
memset(text, '\0', size); // clear new text[]
//text += 4; // leave some room for "oops"
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;
}
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'
{
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);
}
p = stupid_insert(p, *q); // insert the char
}
}
-#endif /* CONFIG_FEATURE_VI_SETOPTS */
+#endif
}
return p;
}
return q;
}
-#ifdef CONFIG_FEATURE_VI_SETOPTS
+#if ENABLE_FEATURE_VI_SETOPTS
// show the matching char of a pair, () [] {}
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
}
}
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
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
);
}
}
}
-#ifdef CONFIG_FEATURE_VI_DOT_CMD
+#if ENABLE_FEATURE_VI_DOT_CMD
static void start_new_cmd_q(Byte c)
{
// release old cmd
free(last_modifying_cmd);
// get buffer for new cmd
- last_modifying_cmd = (Byte *) xmalloc(BUFSIZ);
+ last_modifying_cmd = xmalloc(BUFSIZ);
memset(last_modifying_cmd, '\0', BUFSIZ); // clear new cmd queue
// if there is a current cmd count put it in the buffer first
if (cmdcnt > 0)
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;
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;
cnt = q - p + 1;
t = reg[dest];
free(t); // if already a yank register, free it
- t = (Byte *) xmalloc(cnt + 1); // get a new register
+ t = xmalloc(cnt + 1); // get a new register
memset(t, '\0', cnt + 1); // clear new text[]
strncpy((char *) t, (char *) p, cnt); // copy text[] into bufer
reg[dest] = t;
}
return p;
}
-#endif /* CONFIG_FEATURE_VI_YANKMARK */
+#endif /* FEATURE_VI_YANKMARK */
static int isblnk(Byte c) // is the char a blank or tab
{
}
//----- 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);
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
{
{
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()
}
}
}
-#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
}
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;
}
// 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
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);
{
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
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
} /* 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
}
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 {
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]" : ""),
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);
// 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
int nic = ce-cs+1;
char *out = (char*)sp+cs;
- while(nic-- > 0) {
+ while (nic-- > 0) {
putchar(*out);
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;
//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
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;
} // 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);
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) {
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.
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;
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-
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);
} else { // unrecognised cmd
ni((Byte *) p);
}
-#endif /* CONFIG_FEATURE_VI_COLON */
+#endif /* !FEATURE_VI_COLON */
break;
case '<': // <- Left shift something
case '>': // >- Right shift something
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
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)
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
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");
}
}
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;
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
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
}
return;
}
-#endif /* CONFIG_FEATURE_VI_CRASHME */
+#endif
projects / oweals / busybox.git / blobdiff