mirror of https://github.com/mirror/busybox.git
This is synced from dash-0.4.17 and full ready for insert to new busybox
version:
ftp://ftp.simtreas.ru/pub/my/bb/new
News:
- code is smalest!
- support ${var...} expr
- used new very strongly steal controlling terminal
1_00_stable_10817
Eric Andersen
parent
9b47661165
commit
c470f4477a
14597
shell/ash.c
14597
shell/ash.c
File diff suppressed because it is too large
Load Diff
223
shell/cmdedit.c
223
shell/cmdedit.c
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@ -9,7 +9,7 @@
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* Adam Rogoyski <rogoyski@cs.utexas.edu>
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* Dave Cinege <dcinege@psychosis.com>
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* Jakub Jelinek (c) 1995
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* Erik Andersen <andersen@codepoet.org> (Majorly adjusted for busybox)
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* Erik Andersen <andersee@debian.org> (Majorly adjusted for busybox)
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*
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* This code is 'as is' with no warranty.
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*
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@ -63,7 +63,7 @@
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#define D(x) x
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#endif /* TEST */
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#endif /* TEST */
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#ifdef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
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#include <dirent.h>
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@ -86,7 +86,7 @@
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# else
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# include <pwd.h>
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# endif /* TEST */
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#endif /* advanced FEATURES */
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#endif /* advanced FEATURES */
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/* Maximum length of the linked list for the command line history */
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@ -115,30 +115,30 @@ static struct termios initial_settings, new_settings;
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static
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volatile int cmdedit_termw = 80; /* actual terminal width */
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volatile int cmdedit_termw = 80; /* actual terminal width */
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static
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volatile int handlers_sets = 0; /* Set next bites: */
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volatile int handlers_sets = 0; /* Set next bites: */
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enum {
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SET_ATEXIT = 1, /* when atexit() has been called
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SET_ATEXIT = 1, /* when atexit() has been called
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and get euid,uid,gid to fast compare */
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SET_WCHG_HANDLERS = 2, /* winchg signal handler */
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SET_RESET_TERM = 4, /* if the terminal needs to be reset upon exit */
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};
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static int cmdedit_x; /* real x terminal position */
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static int cmdedit_y; /* pseudoreal y terminal position */
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static int cmdedit_prmt_len; /* lenght prompt without colores string */
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static int cmdedit_x; /* real x terminal position */
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static int cmdedit_y; /* pseudoreal y terminal position */
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static int cmdedit_prmt_len; /* lenght prompt without colores string */
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static int cursor; /* required global for signal handler */
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static int len; /* --- "" - - "" - -"- --""-- --""--- */
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static char *command_ps; /* --- "" - - "" - -"- --""-- --""--- */
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static int cursor; /* required global for signal handler */
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static int len; /* --- "" - - "" - -"- --""-- --""--- */
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static char *command_ps; /* --- "" - - "" - -"- --""-- --""--- */
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static
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#ifndef CONFIG_FEATURE_SH_FANCY_PROMPT
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const
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#endif
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char *cmdedit_prompt; /* --- "" - - "" - -"- --""-- --""--- */
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char *cmdedit_prompt; /* --- "" - - "" - -"- --""-- --""--- */
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#ifdef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
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static char *user_buf = "";
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@ -161,31 +161,36 @@ static int my_euid;
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static int my_uid;
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static int my_gid;
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#endif /* CONFIG_FEATURE_COMMAND_TAB_COMPLETION */
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#endif /* CONFIG_FEATURE_COMMAND_TAB_COMPLETION */
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/* It seems that libc5 doesn't know what a sighandler_t is... */
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#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
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typedef void (*sighandler_t) (int);
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#endif
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static void cmdedit_setwidth(int w, int redraw_flg);
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static void win_changed(int nsig)
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{
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struct winsize win = { 0, 0, 0, 0 };
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static sighandler_t previous_SIGWINCH_handler; /* for reset */
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static sighandler_t previous_SIGWINCH_handler; /* for reset */
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/* emulate || signal call */
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if (nsig == -SIGWINCH || nsig == SIGWINCH) {
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ioctl(0, TIOCGWINSZ, &win);
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if (win.ws_col > 0) {
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cmdedit_setwidth(win.ws_col, nsig == SIGWINCH);
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}
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}
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}
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/* Unix not all standart in recall signal */
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if (nsig == -SIGWINCH) /* save previous handler */
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if (nsig == -SIGWINCH) /* save previous handler */
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previous_SIGWINCH_handler = signal(SIGWINCH, win_changed);
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else if (nsig == SIGWINCH) /* signaled called handler */
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signal(SIGWINCH, win_changed); /* set for next call */
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else /* nsig == 0 */
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else if (nsig == SIGWINCH) /* signaled called handler */
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signal(SIGWINCH, win_changed); /* set for next call */
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else /* nsig == 0 */
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/* set previous handler */
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signal(SIGWINCH, previous_SIGWINCH_handler); /* reset */
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signal(SIGWINCH, previous_SIGWINCH_handler); /* reset */
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}
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static void cmdedit_reset_term(void)
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@ -211,9 +216,9 @@ static void cmdedit_set_out_char(int next_char)
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int c = (int)((unsigned char) command_ps[cursor]);
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if (c == 0)
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c = ' '; /* destroy end char? */
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c = ' '; /* destroy end char? */
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#ifdef CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
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if (!Isprint(c)) { /* Inverse put non-printable characters */
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if (!Isprint(c)) { /* Inverse put non-printable characters */
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if (c >= 128)
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c -= 128;
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if (c < ' ')
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@ -270,9 +275,9 @@ static void input_backward(int num)
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{
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if (num > cursor)
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num = cursor;
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cursor -= num; /* new cursor (in command, not terminal) */
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cursor -= num; /* new cursor (in command, not terminal) */
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if (cmdedit_x >= num) { /* no to up line */
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if (cmdedit_x >= num) { /* no to up line */
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cmdedit_x -= num;
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if (num < 4)
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while (num-- > 0)
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@ -284,22 +289,22 @@ static void input_backward(int num)
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int count_y;
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if (cmdedit_x) {
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putchar('\r'); /* back to first terminal pos. */
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num -= cmdedit_x; /* set previous backward */
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putchar('\r'); /* back to first terminal pos. */
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num -= cmdedit_x; /* set previous backward */
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}
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count_y = 1 + num / cmdedit_termw;
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printf("\033[%dA", count_y);
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cmdedit_y -= count_y;
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/* require forward after uping */
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cmdedit_x = cmdedit_termw * count_y - num;
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printf("\033[%dC", cmdedit_x); /* set term cursor */
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printf("\033[%dC", cmdedit_x); /* set term cursor */
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}
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}
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static void put_prompt(void)
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{
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out1str(cmdedit_prompt);
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cmdedit_x = cmdedit_prmt_len; /* count real x terminal position */
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cmdedit_x = cmdedit_prmt_len; /* count real x terminal position */
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cursor = 0;
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cmdedit_y = 0; /* new quasireal y */
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}
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@ -335,7 +340,7 @@ static void parse_prompt(const char *prmt_ptr)
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if (c == '\\') {
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const char *cp = prmt_ptr;
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int l;
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c = bb_process_escape_sequence(&prmt_ptr);
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if(prmt_ptr==cp) {
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if (*cp == 0)
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@ -346,7 +351,7 @@ static void parse_prompt(const char *prmt_ptr)
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case 'u':
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pbuf = user_buf;
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break;
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#endif
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#endif
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case 'h':
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pbuf = hostname_buf;
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if (pbuf == 0) {
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@ -378,7 +383,7 @@ static void parse_prompt(const char *prmt_ptr)
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strcpy(pbuf+1, pwd_buf+l);
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}
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break;
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#endif
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#endif
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case 'W':
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pbuf = pwd_buf;
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cp = strrchr(pbuf,'/');
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@ -391,7 +396,7 @@ static void parse_prompt(const char *prmt_ptr)
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case 'e': case 'E': /* \e \E = \033 */
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c = '\033';
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break;
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case 'x': case 'X':
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case 'x': case 'X':
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for (l = 0; l < 3;) {
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int h;
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buf2[l++] = *prmt_ptr;
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@ -416,7 +421,7 @@ static void parse_prompt(const char *prmt_ptr)
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}
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break;
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}
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}
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}
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}
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if(pbuf == buf)
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*pbuf = c;
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@ -437,12 +442,12 @@ static void parse_prompt(const char *prmt_ptr)
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/* draw promt, editor line, and clear tail */
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static void redraw(int y, int back_cursor)
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{
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if (y > 0) /* up to start y */
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if (y > 0) /* up to start y */
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printf("\033[%dA", y);
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putchar('\r');
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put_prompt();
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input_end(); /* rewrite */
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printf("\033[J"); /* destroy tail after cursor */
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input_end(); /* rewrite */
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printf("\033[J"); /* destroy tail after cursor */
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input_backward(back_cursor);
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}
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@ -456,9 +461,9 @@ static void input_delete(void)
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strcpy(command_ps + j, command_ps + j + 1);
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len--;
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input_end(); /* rewtite new line */
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cmdedit_set_out_char(0); /* destroy end char */
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input_backward(cursor - j); /* back to old pos cursor */
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input_end(); /* rewtite new line */
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cmdedit_set_out_char(0); /* destroy end char */
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input_backward(cursor - j); /* back to old pos cursor */
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}
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/* Delete the char in back of the cursor */
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@ -496,7 +501,7 @@ static void cmdedit_setwidth(int w, int redraw_flg)
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redraw((new_y >= cmdedit_y ? new_y : cmdedit_y), len - cursor);
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fflush(stdout);
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}
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}
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}
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}
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static void cmdedit_init(void)
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@ -527,9 +532,9 @@ static void cmdedit_init(void)
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#endif
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my_uid = getuid();
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my_gid = getgid();
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#endif /* CONFIG_FEATURE_COMMAND_TAB_COMPLETION */
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#endif /* CONFIG_FEATURE_COMMAND_TAB_COMPLETION */
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handlers_sets |= SET_ATEXIT;
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atexit(cmdedit_reset_term); /* be sure to do this only once */
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atexit(cmdedit_reset_term); /* be sure to do this only once */
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}
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}
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@ -553,35 +558,35 @@ static char **username_tab_completion(char *ud, int *num_matches)
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char *temp;
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ud++; /* ~user/... to user/... */
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ud++; /* ~user/... to user/... */
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userlen = strlen(ud);
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if (num_matches == 0) { /* "~/..." or "~user/..." */
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if (num_matches == 0) { /* "~/..." or "~user/..." */
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char *sav_ud = ud - 1;
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char *home = 0;
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if (*ud == '/') { /* "~/..." */
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if (*ud == '/') { /* "~/..." */
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home = home_pwd_buf;
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} else {
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/* "~user/..." */
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temp = strchr(ud, '/');
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*temp = 0; /* ~user\0 */
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*temp = 0; /* ~user\0 */
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entry = getpwnam(ud);
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*temp = '/'; /* restore ~user/... */
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*temp = '/'; /* restore ~user/... */
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ud = temp;
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if (entry)
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home = entry->pw_dir;
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}
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if (home) {
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if ((userlen + strlen(home) + 1) < BUFSIZ) {
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char temp2[BUFSIZ]; /* argument size */
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char temp2[BUFSIZ]; /* argument size */
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/* /home/user/... */
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sprintf(temp2, "%s%s", home, ud);
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strcpy(sav_ud, temp2);
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}
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}
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return 0; /* void, result save to argument :-) */
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return 0; /* void, result save to argument :-) */
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} else {
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/* "~[^/]*" */
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char **matches = (char **) NULL;
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@ -593,7 +598,7 @@ static char **username_tab_completion(char *ud, int *num_matches)
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/* Null usernames should result in all users as possible completions. */
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if ( /*!userlen || */ !strncmp(ud, entry->pw_name, userlen)) {
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bb_xasprintf(&temp, "~%s/", entry->pw_name);
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bb_xasprintf(&temp, "~%s/", entry->pw_name);
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matches = xrealloc(matches, (nm + 1) * sizeof(char *));
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matches[nm++] = temp;
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@ -605,7 +610,7 @@ static char **username_tab_completion(char *ud, int *num_matches)
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return (matches);
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}
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}
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#endif /* CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION */
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#endif /* CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION */
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enum {
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FIND_EXE_ONLY = 0,
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@ -630,11 +635,11 @@ static int path_parse(char ***p, int flags)
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npth = 0;
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for (;;) {
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npth++; /* count words is + 1 count ':' */
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npth++; /* count words is + 1 count ':' */
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tmp = strchr(tmp, ':');
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if (tmp) {
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if (*++tmp == 0)
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break; /* :<empty> */
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break; /* :<empty> */
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} else
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break;
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}
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@ -643,17 +648,17 @@ static int path_parse(char ***p, int flags)
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tmp = pth;
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(*p)[0] = bb_xstrdup(tmp);
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npth = 1; /* count words is + 1 count ':' */
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npth = 1; /* count words is + 1 count ':' */
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for (;;) {
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tmp = strchr(tmp, ':');
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if (tmp) {
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(*p)[0][(tmp - pth)] = 0; /* ':' -> '\0' */
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(*p)[0][(tmp - pth)] = 0; /* ':' -> '\0' */
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if (*++tmp == 0)
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break; /* :<empty> */
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break; /* :<empty> */
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} else
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break;
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(*p)[npth++] = &(*p)[0][(tmp - pth)]; /* p[next]=p[0][&'\0'+1] */
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(*p)[npth++] = &(*p)[0][(tmp - pth)]; /* p[next]=p[0][&'\0'+1] */
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}
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return npth;
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|
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@ -703,20 +708,20 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
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/* set dir only */
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dirbuf[(pfind - command) + 1] = 0;
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#ifdef CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION
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if (dirbuf[0] == '~') /* ~/... or ~user/... */
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if (dirbuf[0] == '~') /* ~/... or ~user/... */
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username_tab_completion(dirbuf, 0);
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#endif
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/* "strip" dirname in command */
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pfind++;
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|
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paths[0] = dirbuf;
|
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npaths = 1; /* only 1 dir */
|
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npaths = 1; /* only 1 dir */
|
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}
|
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|
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for (i = 0; i < npaths; i++) {
|
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|
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dir = opendir(paths[i]);
|
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if (!dir) /* Don't print an error */
|
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if (!dir) /* Don't print an error */
|
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continue;
|
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|
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while ((next = readdir(dir)) != NULL) {
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|
|
@ -728,17 +733,17 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
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/* not see .name without .match */
|
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if (*str_found == '.' && *pfind == 0) {
|
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if (*paths[i] == '/' && paths[i][1] == 0
|
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&& str_found[1] == 0) str_found = ""; /* only "/" */
|
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&& str_found[1] == 0) str_found = ""; /* only "/" */
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else
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continue;
|
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}
|
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found = concat_path_file(paths[i], str_found);
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/* hmm, remover in progress? */
|
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if (stat(found, &st) < 0)
|
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if (stat(found, &st) < 0)
|
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goto cont;
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/* find with dirs ? */
|
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if (paths[i] != dirbuf)
|
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strcpy(found, next->d_name); /* only name */
|
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strcpy(found, next->d_name); /* only name */
|
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if (S_ISDIR(st.st_mode)) {
|
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/* name is directory */
|
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str_found = found;
|
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|
|
@ -747,7 +752,7 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
|
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str_found = add_quote_for_spec_chars(found);
|
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} else {
|
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/* not put found file if search only dirs for cd */
|
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if (type == FIND_DIR_ONLY)
|
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if (type == FIND_DIR_ONLY)
|
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goto cont;
|
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str_found = add_quote_for_spec_chars(found);
|
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if (type == FIND_FILE_ONLY ||
|
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|
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@ -764,7 +769,7 @@ cont:
|
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closedir(dir);
|
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}
|
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if (paths != path1) {
|
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free(paths[0]); /* allocated memory only in first member */
|
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free(paths[0]); /* allocated memory only in first member */
|
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free(paths);
|
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}
|
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*num_matches = nm;
|
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|
|
@ -796,7 +801,7 @@ static int find_match(char *matchBuf, int *len_with_quotes)
|
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for (i = 0;; i++) {
|
||||
int_buf[i] = (int) ((unsigned char) matchBuf[i]);
|
||||
if (int_buf[i] == 0) {
|
||||
pos_buf[i] = -1; /* indicator end line */
|
||||
pos_buf[i] = -1; /* indicator end line */
|
||||
break;
|
||||
} else
|
||||
pos_buf[i] = i;
|
||||
|
|
@ -809,7 +814,7 @@ static int find_match(char *matchBuf, int *len_with_quotes)
|
|||
int_buf[j] |= QUOT;
|
||||
i++;
|
||||
#ifdef CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
|
||||
if (matchBuf[i] == '\t') /* algorithm equivalent */
|
||||
if (matchBuf[i] == '\t') /* algorithm equivalent */
|
||||
int_buf[j] = ' ' | QUOT;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -852,7 +857,7 @@ static int find_match(char *matchBuf, int *len_with_quotes)
|
|||
}
|
||||
if (command_mode) {
|
||||
collapse_pos(0, i + command_mode);
|
||||
i = -1; /* hack incremet */
|
||||
i = -1; /* hack incremet */
|
||||
}
|
||||
}
|
||||
/* collapse `command...` */
|
||||
|
|
@ -869,11 +874,11 @@ static int find_match(char *matchBuf, int *len_with_quotes)
|
|||
collapse_pos(0, i + 1);
|
||||
break;
|
||||
} else
|
||||
i--; /* hack incremet */
|
||||
i--; /* hack incremet */
|
||||
}
|
||||
|
||||
/* collapse (command...(command...)...) or {command...{command...}...} */
|
||||
c = 0; /* "recursive" level */
|
||||
c = 0; /* "recursive" level */
|
||||
c2 = 0;
|
||||
for (i = 0; int_buf[i]; i++)
|
||||
if (int_buf[i] == '(' || int_buf[i] == '{') {
|
||||
|
|
@ -882,7 +887,7 @@ static int find_match(char *matchBuf, int *len_with_quotes)
|
|||
else
|
||||
c2++;
|
||||
collapse_pos(0, i + 1);
|
||||
i = -1; /* hack incremet */
|
||||
i = -1; /* hack incremet */
|
||||
}
|
||||
for (i = 0; pos_buf[i] >= 0 && (c > 0 || c2 > 0); i++)
|
||||
if ((int_buf[i] == ')' && c > 0) || (int_buf[i] == '}' && c2 > 0)) {
|
||||
|
|
@ -891,7 +896,7 @@ static int find_match(char *matchBuf, int *len_with_quotes)
|
|||
else
|
||||
c2--;
|
||||
collapse_pos(0, i + 1);
|
||||
i = -1; /* hack incremet */
|
||||
i = -1; /* hack incremet */
|
||||
}
|
||||
|
||||
/* skip first not quote space */
|
||||
|
|
@ -927,7 +932,7 @@ static int find_match(char *matchBuf, int *len_with_quotes)
|
|||
/* skip first not quoted '\'' or '"' */
|
||||
for (i = 0; int_buf[i] == '\'' || int_buf[i] == '"'; i++);
|
||||
/* collapse quote or unquote // or /~ */
|
||||
while ((int_buf[i] & ~QUOT) == '/' &&
|
||||
while ((int_buf[i] & ~QUOT) == '/' &&
|
||||
((int_buf[i + 1] & ~QUOT) == '/'
|
||||
|| (int_buf[i + 1] & ~QUOT) == '~')) {
|
||||
i++;
|
||||
|
|
@ -991,7 +996,7 @@ static void input_tab(int *lastWasTab)
|
|||
static int num_matches;
|
||||
static char **matches;
|
||||
|
||||
if (lastWasTab == 0) { /* free all memory */
|
||||
if (lastWasTab == 0) { /* free all memory */
|
||||
if (matches) {
|
||||
while (num_matches > 0)
|
||||
free(matches[--num_matches]);
|
||||
|
|
@ -1008,7 +1013,7 @@ static void input_tab(int *lastWasTab)
|
|||
int find_type;
|
||||
int recalc_pos;
|
||||
|
||||
*lastWasTab = TRUE; /* flop trigger */
|
||||
*lastWasTab = TRUE; /* flop trigger */
|
||||
|
||||
/* Make a local copy of the string -- up
|
||||
* to the position of the cursor */
|
||||
|
|
@ -1061,7 +1066,7 @@ static void input_tab(int *lastWasTab)
|
|||
|
||||
beep();
|
||||
if (!matches)
|
||||
return; /* not found */
|
||||
return; /* not found */
|
||||
/* sort */
|
||||
qsort(matches, num_matches, sizeof(char *), match_compare);
|
||||
|
||||
|
|
@ -1073,11 +1078,11 @@ static void input_tab(int *lastWasTab)
|
|||
*tmp1 = 0;
|
||||
break;
|
||||
}
|
||||
if (*tmp == 0) { /* have unique */
|
||||
if (*tmp == 0) { /* have unique */
|
||||
free(tmp);
|
||||
return;
|
||||
}
|
||||
} else { /* one match */
|
||||
} else { /* one match */
|
||||
tmp = matches[0];
|
||||
/* for next completion current found */
|
||||
*lastWasTab = FALSE;
|
||||
|
|
@ -1111,7 +1116,7 @@ static void input_tab(int *lastWasTab)
|
|||
* just hit TAB again, print a list of all the
|
||||
* available choices... */
|
||||
if (matches && num_matches > 0) {
|
||||
int sav_cursor = cursor; /* change goto_new_line() */
|
||||
int sav_cursor = cursor; /* change goto_new_line() */
|
||||
|
||||
/* Go to the next line */
|
||||
goto_new_line();
|
||||
|
|
@ -1120,7 +1125,7 @@ static void input_tab(int *lastWasTab)
|
|||
}
|
||||
}
|
||||
}
|
||||
#endif /* CONFIG_FEATURE_COMMAND_TAB_COMPLETION */
|
||||
#endif /* CONFIG_FEATURE_COMMAND_TAB_COMPLETION */
|
||||
|
||||
#if MAX_HISTORY >= 1
|
||||
static void get_previous_history(void)
|
||||
|
|
@ -1159,7 +1164,7 @@ extern void load_history ( const char *fromfile )
|
|||
}
|
||||
|
||||
if (( fp = fopen ( fromfile, "r" ))) {
|
||||
|
||||
|
||||
for ( hi = 0; hi < MAX_HISTORY; ) {
|
||||
char * hl = bb_get_chomped_line_from_file(fp);
|
||||
int l;
|
||||
|
|
@ -1183,10 +1188,10 @@ extern void load_history ( const char *fromfile )
|
|||
extern void save_history ( const char *tofile )
|
||||
{
|
||||
FILE *fp = fopen ( tofile, "w" );
|
||||
|
||||
|
||||
if ( fp ) {
|
||||
int i;
|
||||
|
||||
|
||||
for ( i = 0; i < n_history; i++ ) {
|
||||
fputs ( history [i], fp );
|
||||
fputc ( '\n', fp );
|
||||
|
|
@ -1220,7 +1225,7 @@ enum {
|
|||
* Furthermore, the "vi" command editing keys are not implemented.
|
||||
*
|
||||
*/
|
||||
|
||||
|
||||
|
||||
int cmdedit_read_input(char *prompt, char command[BUFSIZ])
|
||||
{
|
||||
|
|
@ -1230,7 +1235,7 @@ int cmdedit_read_input(char *prompt, char command[BUFSIZ])
|
|||
unsigned char c = 0;
|
||||
|
||||
/* prepare before init handlers */
|
||||
cmdedit_y = 0; /* quasireal y, not true work if line > xt*yt */
|
||||
cmdedit_y = 0; /* quasireal y, not true work if line > xt*yt */
|
||||
len = 0;
|
||||
command_ps = command;
|
||||
|
||||
|
|
@ -1247,7 +1252,7 @@ int cmdedit_read_input(char *prompt, char command[BUFSIZ])
|
|||
# ifndef _POSIX_VDISABLE
|
||||
# define _POSIX_VDISABLE '\0'
|
||||
# endif
|
||||
new_settings.c_cc[VINTR] = _POSIX_VDISABLE;
|
||||
new_settings.c_cc[VINTR] = _POSIX_VDISABLE;
|
||||
#endif
|
||||
command[0] = 0;
|
||||
|
||||
|
|
@ -1261,7 +1266,7 @@ int cmdedit_read_input(char *prompt, char command[BUFSIZ])
|
|||
|
||||
while (1) {
|
||||
|
||||
fflush(stdout); /* buffered out to fast */
|
||||
fflush(stdout); /* buffered out to fast */
|
||||
|
||||
if (safe_read(0, &c, 1) < 1)
|
||||
/* if we can't read input then exit */
|
||||
|
|
@ -1287,8 +1292,12 @@ int cmdedit_read_input(char *prompt, char command[BUFSIZ])
|
|||
goto_new_line();
|
||||
command[0] = 0;
|
||||
len = 0;
|
||||
#if !defined(CONFIG_ASH)
|
||||
lastWasTab = FALSE;
|
||||
put_prompt();
|
||||
#else
|
||||
break_out = 2;
|
||||
#endif
|
||||
break;
|
||||
case 4:
|
||||
/* Control-d -- Delete one character, or exit
|
||||
|
|
@ -1327,14 +1336,14 @@ prepare_to_die:
|
|||
#endif
|
||||
break;
|
||||
case 11:
|
||||
/* Control-k -- clear to end of line */
|
||||
/* Control-k -- clear to end of line */
|
||||
*(command + cursor) = 0;
|
||||
len = cursor;
|
||||
printf("\033[J");
|
||||
break;
|
||||
case 12:
|
||||
case 12:
|
||||
/* Control-l -- clear screen */
|
||||
printf("\033[H");
|
||||
printf("\033[H");
|
||||
redraw(0, len-cursor);
|
||||
break;
|
||||
#if MAX_HISTORY >= 1
|
||||
|
|
@ -1371,7 +1380,7 @@ prepare_to_die:
|
|||
}
|
||||
switch (c) {
|
||||
#ifdef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
|
||||
case '\t': /* Alt-Tab */
|
||||
case '\t': /* Alt-Tab */
|
||||
|
||||
input_tab(&lastWasTab);
|
||||
break;
|
||||
|
|
@ -1433,7 +1442,7 @@ rewrite_line:
|
|||
break;
|
||||
}
|
||||
|
||||
default: /* If it's regular input, do the normal thing */
|
||||
default: /* If it's regular input, do the normal thing */
|
||||
#ifdef CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
|
||||
/* Control-V -- Add non-printable symbol */
|
||||
if (c == 22) {
|
||||
|
|
@ -1445,19 +1454,19 @@ rewrite_line:
|
|||
}
|
||||
} else
|
||||
#endif
|
||||
if (!Isprint(c)) /* Skip non-printable characters */
|
||||
if (!Isprint(c)) /* Skip non-printable characters */
|
||||
break;
|
||||
|
||||
if (len >= (BUFSIZ - 2)) /* Need to leave space for enter */
|
||||
if (len >= (BUFSIZ - 2)) /* Need to leave space for enter */
|
||||
break;
|
||||
|
||||
len++;
|
||||
|
||||
if (cursor == (len - 1)) { /* Append if at the end of the line */
|
||||
if (cursor == (len - 1)) { /* Append if at the end of the line */
|
||||
*(command + cursor) = c;
|
||||
*(command + cursor + 1) = 0;
|
||||
cmdedit_set_out_char(0);
|
||||
} else { /* Insert otherwise */
|
||||
} else { /* Insert otherwise */
|
||||
int sc = cursor;
|
||||
|
||||
memmove(command + sc + 1, command + sc, len - sc);
|
||||
|
|
@ -1471,7 +1480,7 @@ rewrite_line:
|
|||
|
||||
break;
|
||||
}
|
||||
if (break_out) /* Enter is the command terminator, no more input. */
|
||||
if (break_out) /* Enter is the command terminator, no more input. */
|
||||
break;
|
||||
|
||||
if (c != '\t')
|
||||
|
|
@ -1486,7 +1495,7 @@ rewrite_line:
|
|||
/* cleanup may be saved current command line */
|
||||
free(history[MAX_HISTORY]);
|
||||
history[MAX_HISTORY] = 0;
|
||||
if (len) { /* no put empty line */
|
||||
if (len) { /* no put empty line */
|
||||
int i = n_history;
|
||||
/* After max history, remove the oldest command */
|
||||
if (i >= MAX_HISTORY) {
|
||||
|
|
@ -1508,23 +1517,27 @@ rewrite_line:
|
|||
}
|
||||
#endif
|
||||
#endif /* MAX_HISTORY >= 1 */
|
||||
if(break_out>0) {
|
||||
command[len++] = '\n'; /* set '\n' */
|
||||
command[len] = 0;
|
||||
if(break_out == 1) {
|
||||
command[len++] = '\n'; /* set '\n' */
|
||||
command[len] = 0;
|
||||
}
|
||||
#if defined(CONFIG_FEATURE_CLEAN_UP) && defined(CONFIG_FEATURE_COMMAND_TAB_COMPLETION)
|
||||
input_tab(0); /* strong free */
|
||||
input_tab(0); /* strong free */
|
||||
#endif
|
||||
#if defined(CONFIG_FEATURE_SH_FANCY_PROMPT)
|
||||
free(cmdedit_prompt);
|
||||
#endif
|
||||
cmdedit_reset_term();
|
||||
#if !defined(CONFIG_ASH)
|
||||
return len;
|
||||
#else
|
||||
return break_out < 0 ? break_out : len;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
|
||||
#endif /* CONFIG_FEATURE_COMMAND_EDITING */
|
||||
#endif /* CONFIG_FEATURE_COMMAND_EDITING */
|
||||
|
||||
|
||||
#ifdef TEST
|
||||
|
|
@ -1565,4 +1578,4 @@ int main(int argc, char **argv)
|
|||
return 0;
|
||||
}
|
||||
|
||||
#endif /* TEST */
|
||||
#endif /* TEST */
|
||||
|
|
|
|||
Loading…
Reference in New Issue