* Termios command line History and Editting.
*
* Copyright (c) 1986-2001 may safely be consumed by a BSD or GPL license.
- * Written by: Vladimir Oleynik <vodz@usa.net>
+ * Written by: Vladimir Oleynik <dzo@simtreas.ru>
*
* Used ideas:
* Adam Rogoyski <rogoyski@cs.utexas.edu>
Small bugs (simple effect):
- not true viewing if terminal size (x*y symbols) less
size (prompt + editor`s line + 2 symbols)
+ - not true viewing if length prompt less terminal width
*/
-//#define TEST
-
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <signal.h>
#include <limits.h>
-#ifdef BB_FEATURE_SH_TAB_COMPLETION
-#include <dirent.h>
-#include <sys/stat.h>
-#endif
+#include "busybox.h"
+#ifdef BB_LOCALE_SUPPORT
+#define Isprint(c) isprint((c))
+#else
+#define Isprint(c) ( (c) >= ' ' && (c) != ((unsigned char)'\233') )
+#endif
#ifndef TEST
-#include "busybox.h"
-
#define D(x)
#else
-#define BB_FEATURE_SH_COMMAND_EDITING
-#define BB_FEATURE_SH_TAB_COMPLETION
-#define BB_FEATURE_SH_USERNAME_COMPLETION
+#define BB_FEATURE_COMMAND_EDITING
+#define BB_FEATURE_COMMAND_TAB_COMPLETION
+#define BB_FEATURE_COMMAND_USERNAME_COMPLETION
#define BB_FEATURE_NONPRINTABLE_INVERSE_PUT
-#define BB_FEATURE_BASH_STYLE_PROMT
#define BB_FEATURE_CLEAN_UP
#define D(x) x
#endif /* TEST */
-#ifdef BB_FEATURE_SH_COMMAND_EDITING
+#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
+#include <dirent.h>
+#include <sys/stat.h>
+#endif
+
+#ifdef BB_FEATURE_COMMAND_EDITING
-#ifndef BB_FEATURE_SH_TAB_COMPLETION
-#undef BB_FEATURE_SH_USERNAME_COMPLETION
+#ifndef BB_FEATURE_COMMAND_TAB_COMPLETION
+#undef BB_FEATURE_COMMAND_USERNAME_COMPLETION
#endif
-#if defined(BB_FEATURE_SH_USERNAME_COMPLETION) || defined(BB_FEATURE_BASH_STYLE_PROMT)
+#if defined(BB_FEATURE_COMMAND_USERNAME_COMPLETION) || defined(BB_FEATURE_SH_FANCY_PROMPT)
#define BB_FEATURE_GETUSERNAME_AND_HOMEDIR
#endif
#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
-#ifndef TEST
-#include "pwd_grp/pwd.h"
-#else
-#include <pwd.h>
-#endif /* TEST */
+# ifndef TEST
+# include "pwd_grp/pwd.h"
+# else
+# endif /* TEST */
#endif /* advanced FEATURES */
-#ifdef TEST
-void *xrealloc(void *old, size_t size)
-{
- return realloc(old, size);
-}
-
-void *xmalloc(size_t size)
-{
- return malloc(size);
-}
-char *xstrdup(const char *s)
-{
- return strdup(s);
-}
-
-void *xcalloc(size_t size, size_t se)
-{
- return calloc(size, se);
-}
-
-#define error_msg(s, d) fprintf(stderr, s, d)
-#endif
-
struct history {
char *s;
static struct history *his_end = NULL;
-/* ED: sparc termios is broken: revert back to old termio handling. */
-
-#if #cpu(sparc)
-# include <termio.h>
-# define termios termio
-# define setTermSettings(fd,argp) ioctl(fd,TCSETAF,argp)
-# define getTermSettings(fd,argp) ioctl(fd,TCGETA,argp)
-#else
-# include <termios.h>
-# define setTermSettings(fd,argp) tcsetattr(fd,TCSANOW,argp)
-# define getTermSettings(fd,argp) tcgetattr(fd, argp);
-#endif
+#include <termios.h>
+#define setTermSettings(fd,argp) tcsetattr(fd,TCSANOW,argp)
+#define getTermSettings(fd,argp) tcgetattr(fd, argp);
/* Current termio and the previous termio before starting sh */
static struct termios initial_settings, new_settings;
-#ifndef _POSIX_VDISABLE
-#define _POSIX_VDISABLE '\0'
-#endif
-
-
static
volatile int cmdedit_termw = 80; /* actual terminal width */
static int history_counter = 0; /* Number of commands in history list */
volatile int handlers_sets = 0; /* Set next bites: */
enum {
- SET_ATEXIT = 1, /* when atexit() has been called and
- get euid,uid,gid to fast compare */
- SET_TERM_HANDLERS = 2, /* set many terminates signal handlers */
- SET_WCHG_HANDLERS = 4, /* winchg signal handler */
- SET_RESET_TERM = 8, /* if the terminal needs to be reset upon exit */
+ SET_ATEXIT = 1, /* when atexit() has been called
+ and get euid,uid,gid to fast compare */
+ SET_WCHG_HANDLERS = 2, /* winchg signal handler */
+ SET_RESET_TERM = 4, /* if the terminal needs to be reset upon exit */
};
-static int cmdedit_x; /* real x terminal position */
-static int cmdedit_y; /* pseudoreal y terminal position */
+static int cmdedit_x; /* real x terminal position */
+static int cmdedit_y; /* pseudoreal y terminal position */
static int cmdedit_prmt_len; /* lenght prompt without colores string */
-static int cursor; /* required global for signal handler */
-static int len; /* --- "" - - "" - -"- --""-- --""--- */
-static char *command_ps; /* --- "" - - "" - -"- --""-- --""--- */
+static int cursor; /* required global for signal handler */
+static int len; /* --- "" - - "" - -"- --""-- --""--- */
+static char *command_ps; /* --- "" - - "" - -"- --""-- --""--- */
static
-#ifndef BB_FEATURE_BASH_STYLE_PROMT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
const
#endif
-char *cmdedit_prompt; /* --- "" - - "" - -"- --""-- --""--- */
-
-/* Link into lash to reset context to 0 on ^C and such */
-extern unsigned int shell_context;
-
+char *cmdedit_prompt; /* --- "" - - "" - -"- --""-- --""--- */
#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
static char *user_buf = "";
static int my_euid;
#endif
-#ifdef BB_FEATURE_BASH_STYLE_PROMT
+#ifdef BB_FEATURE_SH_FANCY_PROMPT
static char *hostname_buf = "";
static int num_ok_lines = 1;
#endif
-#ifdef BB_FEATURE_SH_TAB_COMPLETION
+#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
#ifndef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
static int my_euid;
static int my_uid;
static int my_gid;
-#endif /* BB_FEATURE_SH_TAB_COMPLETION */
+#endif /* BB_FEATURE_COMMAND_TAB_COMPLETION */
+/* It seems that libc5 doesn't know what a sighandler_t is... */
+#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
+typedef void (*sighandler_t) (int);
+#endif
static void cmdedit_setwidth(int w, int redraw_flg);
static void win_changed(int nsig)
{
struct winsize win = { 0, 0, 0, 0 };
- static __sighandler_t previous_SIGWINCH_handler; /* for reset */
+ static sighandler_t previous_SIGWINCH_handler; /* for reset */
/* emulate || signal call */
if (nsig == -SIGWINCH || nsig == SIGWINCH) {
static void cmdedit_reset_term(void)
{
if ((handlers_sets & SET_RESET_TERM) != 0) {
- /* sparc and other have broken termios support: use old termio handling. */
+/* sparc and other have broken termios support: use old termio handling. */
setTermSettings(fileno(stdin), (void *) &initial_settings);
handlers_sets &= ~SET_RESET_TERM;
}
if (his_front) {
struct history *n;
- //while(his_front!=his_end) {
while (his_front != his_end) {
n = his_front->n;
free(his_front->s);
static void cmdedit_set_out_char(int next_char)
{
- int c = command_ps[cursor];
+ int c = (int)((unsigned char) command_ps[cursor]);
if (c == 0)
- c = ' '; /* destroy end char? */
+ c = ' '; /* destroy end char? */
#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
- if (!isprint(c)) { /* Inverse put non-printable characters */
- if (((unsigned char) c) >= 128)
+ if (!Isprint(c)) { /* Inverse put non-printable characters */
+ if (c >= 128)
c -= 128;
- if (((unsigned char) c) < ' ')
+ if (c < ' ')
c += '@';
if (c == 127)
c = '?';
{
if (num > cursor)
num = cursor;
- cursor -= num; /* new cursor (in command, not terminal) */
+ cursor -= num; /* new cursor (in command, not terminal) */
if (cmdedit_x >= num) { /* no to up line */
cmdedit_x -= num;
out1str(cmdedit_prompt);
cmdedit_x = cmdedit_prmt_len; /* count real x terminal position */
cursor = 0;
+ cmdedit_y = 0; /* new quasireal y */
}
-#ifdef BB_FEATURE_BASH_STYLE_PROMT
-static void
-add_to_prompt(char **prmt_mem_ptr, int *alm, int *prmt_len,
- const char *addb)
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
+static void parse_prompt(const char *prmt_ptr)
{
- int l = strlen(addb);
-
- *prmt_len += l;
- if (*alm < (*prmt_len) + 1) {
- *alm = (*prmt_len) + 1;
- *prmt_mem_ptr = xrealloc(*prmt_mem_ptr, *alm);
- }
- strcat(*prmt_mem_ptr, addb);
+ cmdedit_prompt = prmt_ptr;
+ cmdedit_prmt_len = strlen(prmt_ptr);
+ put_prompt();
}
-#endif
-
+#else
static void parse_prompt(const char *prmt_ptr)
{
-#ifdef BB_FEATURE_BASH_STYLE_PROMT
- int alm = strlen(prmt_ptr) + 1; /* supposedly require memory */
int prmt_len = 0;
int sub_len = 0;
- int flg_not_length = '[';
- char *prmt_mem_ptr = xstrdup(prmt_ptr);
- char pwd_buf[PATH_MAX + 1];
- char buf[16];
- int c;
-
- pwd_buf[0] = 0;
- *prmt_mem_ptr = 0;
+ char flg_not_length = '[';
+ char *prmt_mem_ptr = xcalloc(1, 1);
+ char *pwd_buf = xgetcwd(0);
+ char buf2[PATH_MAX + 1];
+ char buf[2];
+ char c;
+ char *pbuf;
+
+ if (!pwd_buf) {
+ pwd_buf=(char *)unknown;
+ }
while (*prmt_ptr) {
+ pbuf = buf;
+ pbuf[1] = 0;
c = *prmt_ptr++;
if (c == '\\') {
- c = *prmt_ptr;
- if (c == 0)
+ const char *cp = prmt_ptr;
+ int l;
+
+ c = process_escape_sequence(&prmt_ptr);
+ if(prmt_ptr==cp) {
+ if (*cp == 0)
break;
- prmt_ptr++;
- switch (c) {
- case 'u':
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len, user_buf);
- continue;
- case 'h':
- if (hostname_buf[0] == 0) {
- hostname_buf = xcalloc(256, 1);
- if (gethostname(hostname_buf, 255) < 0) {
- strcpy(hostname_buf, "?");
+ c = *prmt_ptr++;
+ switch (c) {
+#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
+ case 'u':
+ pbuf = user_buf;
+ break;
+#endif
+ case 'h':
+ pbuf = hostname_buf;
+ if (*pbuf == 0) {
+ pbuf = xcalloc(256, 1);
+ if (gethostname(pbuf, 255) < 0) {
+ strcpy(pbuf, "?");
} else {
- char *s = strchr(hostname_buf, '.');
+ char *s = strchr(pbuf, '.');
if (s)
*s = 0;
}
+ hostname_buf = pbuf;
}
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len,
- hostname_buf);
- continue;
- case '$':
+ break;
+ case '$':
c = my_euid == 0 ? '#' : '$';
break;
- case 'w':
- if (pwd_buf[0] == 0) {
- int l;
-
- getcwd(pwd_buf, PATH_MAX);
- l = strlen(home_pwd_buf);
- if (home_pwd_buf[0] != 0 &&
- strncmp(home_pwd_buf, pwd_buf, l) == 0) {
- strcpy(pwd_buf + 1, pwd_buf + l);
- pwd_buf[0] = '~';
+#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
+ case 'w':
+ pbuf = pwd_buf;
+ l = strlen(home_pwd_buf);
+ if (home_pwd_buf[0] != 0 &&
+ strncmp(home_pwd_buf, pbuf, l) == 0 &&
+ (pbuf[l]=='/' || pbuf[l]=='\0') &&
+ strlen(pwd_buf+l)<PATH_MAX) {
+ pbuf = buf2;
+ *pbuf = '~';
+ strcpy(pbuf+1, pwd_buf+l);
}
- }
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len, pwd_buf);
- continue;
- case '!':
- snprintf(buf, sizeof(buf), "%d", num_ok_lines);
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len, buf);
- continue;
- case 'e':
- case 'E': /* \e \E = \033 */
+ break;
+#endif
+ case 'W':
+ pbuf = pwd_buf;
+ cp = strrchr(pbuf,'/');
+ if ( (cp != NULL) && (cp != pbuf) )
+ pbuf += (cp-pbuf)+1;
+ break;
+ case '!':
+ snprintf(pbuf = buf2, sizeof(buf2), "%d", num_ok_lines);
+ break;
+ case 'e': case 'E': /* \e \E = \033 */
c = '\033';
break;
- case 'x':
- case 'X':
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':{
- int l;
- int ho = 0;
- char *eho;
-
- if (c == 'X')
- c = 'x';
-
+ case 'x': case 'X':
for (l = 0; l < 3;) {
-
- buf[l++] = *prmt_ptr;
- buf[l] = 0;
- ho = strtol(buf, &eho, c == 'x' ? 16 : 8);
- if (ho > UCHAR_MAX || (eho - buf) < l) {
+ int h;
+ buf2[l++] = *prmt_ptr;
+ buf2[l] = 0;
+ h = strtol(buf2, &pbuf, 16);
+ if (h > UCHAR_MAX || (pbuf - buf2) < l) {
l--;
break;
}
prmt_ptr++;
}
- buf[l] = 0;
- ho = strtol(buf, 0, c == 'x' ? 16 : 8);
- c = ho == 0 ? '?' : (char) ho;
+ buf2[l] = 0;
+ c = (char)strtol(buf2, 0, 16);
+ if(c==0)
+ c = '?';
+ pbuf = buf;
break;
- }
- case '[':
- case ']':
+ case '[': case ']':
if (c == flg_not_length) {
flg_not_length = flg_not_length == '[' ? ']' : '[';
continue;
}
break;
- }
+ }
+ }
}
- buf[0] = c;
- buf[1] = 0;
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len, buf);
+ if(pbuf == buf)
+ *pbuf = c;
+ prmt_len += strlen(pbuf);
+ prmt_mem_ptr = strcat(xrealloc(prmt_mem_ptr, prmt_len+1), pbuf);
if (flg_not_length == ']')
sub_len++;
}
- cmdedit_prmt_len = prmt_len - sub_len;
+ if(pwd_buf!=(char *)unknown)
+ free(pwd_buf);
cmdedit_prompt = prmt_mem_ptr;
-#else
- cmdedit_prompt = prmt_ptr;
- cmdedit_prmt_len = strlen(prmt_ptr);
-#endif
+ cmdedit_prmt_len = prmt_len - sub_len;
put_prompt();
}
+#endif
/* draw promt, editor line, and clear tail */
static void redraw(int y, int back_cursor)
{
- if (y > 0) /* up to start y */
+ if (y > 0) /* up to start y */
printf("\033[%dA", y);
- cmdedit_y = 0; /* new quasireal y */
putchar('\r');
put_prompt();
input_end(); /* rewrite */
strcpy(command_ps + j, command_ps + j + 1);
len--;
- input_end(); /* rewtite new line */
+ input_end(); /* rewtite new line */
cmdedit_set_out_char(0); /* destroy end char */
input_backward(cursor - j); /* back to old pos cursor */
}
}
-static void clean_up_and_die(int sig)
-{
- goto_new_line();
- if (sig != SIGINT)
- exit(EXIT_SUCCESS); /* cmdedit_reset_term() called in atexit */
- cmdedit_reset_term();
-}
-
static void cmdedit_setwidth(int w, int redraw_flg)
{
cmdedit_termw = cmdedit_prmt_len + 2;
cmdedit_termw = cmdedit_termw % w;
}
if (w > cmdedit_termw) {
-
cmdedit_termw = w;
if (redraw_flg) {
}
}
-extern void cmdedit_init(void)
+static void cmdedit_init(void)
{
+ cmdedit_prmt_len = 0;
if ((handlers_sets & SET_WCHG_HANDLERS) == 0) {
/* emulate usage handler to set handler and call yours work */
win_changed(-SIGWINCH);
}
#endif
-#ifdef BB_FEATURE_SH_TAB_COMPLETION
+#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
#ifndef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
my_euid = geteuid();
#endif
my_uid = getuid();
my_gid = getgid();
-#endif /* BB_FEATURE_SH_TAB_COMPLETION */
+#endif /* BB_FEATURE_COMMAND_TAB_COMPLETION */
handlers_sets |= SET_ATEXIT;
atexit(cmdedit_reset_term); /* be sure to do this only once */
}
-
- if ((handlers_sets & SET_TERM_HANDLERS) == 0) {
- signal(SIGKILL, clean_up_and_die);
- signal(SIGINT, clean_up_and_die);
- signal(SIGQUIT, clean_up_and_die);
- signal(SIGTERM, clean_up_and_die);
- handlers_sets |= SET_TERM_HANDLERS;
- }
-
}
-#ifdef BB_FEATURE_SH_TAB_COMPLETION
+#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
static int is_execute(const struct stat *st)
{
return FALSE;
}
-#ifdef BB_FEATURE_SH_USERNAME_COMPLETION
+#ifdef BB_FEATURE_COMMAND_USERNAME_COMPLETION
static char **username_tab_completion(char *ud, int *num_matches)
{
char *temp;
- ud++; /* ~user/... to user/... */
+ ud++; /* ~user/... to user/... */
userlen = strlen(ud);
if (num_matches == 0) { /* "~/..." or "~user/..." */
char *sav_ud = ud - 1;
char *home = 0;
- if (*ud == '/') { /* "~/..." */
+ if (*ud == '/') { /* "~/..." */
home = home_pwd_buf;
} else {
/* "~user/..." */
temp = strchr(ud, '/');
- *temp = 0; /* ~user\0 */
+ *temp = 0; /* ~user\0 */
entry = getpwnam(ud);
*temp = '/'; /* restore ~user/... */
ud = temp;
strcpy(sav_ud, temp2);
}
}
- return 0; /* void, result save to argument :-) */
+ return 0; /* void, result save to argument :-) */
} else {
/* "~[^/]*" */
char **matches = (char **) NULL;
return (matches);
}
}
-#endif /* BB_FEATURE_SH_USERNAME_COMPLETION */
+#endif /* BB_FEATURE_COMMAND_USERNAME_COMPLETION */
enum {
FIND_EXE_ONLY = 0,
npth = 0;
for (;;) {
- npth++; /* count words is + 1 count ':' */
+ npth++; /* count words is + 1 count ':' */
tmp = strchr(tmp, ':');
if (tmp) {
if (*++tmp == 0)
- break; /* :<empty> */
+ break; /* :<empty> */
} else
break;
}
tmp = pth;
(*p)[0] = xstrdup(tmp);
- npth = 1; /* count words is + 1 count ':' */
+ npth = 1; /* count words is + 1 count ':' */
for (;;) {
tmp = strchr(tmp, ':');
}
static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
- int type)
+ int type)
{
char **matches = 0;
char **paths = path1;
int npaths;
int i;
- char found[BUFSIZ + 4 + PATH_MAX];
+ char *found;
char *pfind = strrchr(command, '/');
path1[0] = ".";
strcpy(dirbuf, command);
/* set dir only */
dirbuf[(pfind - command) + 1] = 0;
-#ifdef BB_FEATURE_SH_USERNAME_COMPLETION
+#ifdef BB_FEATURE_COMMAND_USERNAME_COMPLETION
if (dirbuf[0] == '~') /* ~/... or ~user/... */
username_tab_completion(dirbuf, 0);
#endif
for (i = 0; i < npaths; i++) {
dir = opendir(paths[i]);
- if (!dir) /* Don't print an error */
+ if (!dir) /* Don't print an error */
continue;
while ((next = readdir(dir)) != NULL) {
- const char *str_merge = "%s/%s";
char *str_found = next->d_name;
/* matched ? */
else
continue;
}
- if (paths[i][strlen(paths[i]) - 1] == '/')
- str_merge = "%s%s";
- sprintf(found, str_merge, paths[i], str_found);
+ found = concat_path_file(paths[i], str_found);
/* hmm, remover in progress? */
- if (stat(found, &st) < 0)
- continue;
+ if (stat(found, &st) < 0)
+ goto cont;
/* find with dirs ? */
if (paths[i] != dirbuf)
strcpy(found, next->d_name); /* only name */
if (S_ISDIR(st.st_mode)) {
/* name is directory */
- /* algorithmic only "/" ? */
- if (*str_found)
- strcat(found, "/");
+ str_found = found;
+ found = concat_path_file(found, "");
+ free(str_found);
str_found = add_quote_for_spec_chars(found);
} else {
/* not put found file if search only dirs for cd */
- if (type == FIND_DIR_ONLY)
- continue;
+ if (type == FIND_DIR_ONLY)
+ goto cont;
str_found = add_quote_for_spec_chars(found);
if (type == FIND_FILE_ONLY ||
(type == FIND_EXE_ONLY && is_execute(&st) == TRUE))
matches = xrealloc(matches, (nm + 1) * sizeof(char *));
matches[nm++] = str_found;
+cont:
+ free(found);
}
closedir(dir);
}
for (i = 0; int_buf[i]; i++)
if (int_buf[i] == ' ' || int_buf[i] == '<' || int_buf[i] == '>') {
if (int_buf[i] == ' ' && command_mode == FIND_EXE_ONLY
- && strncmp(&matchBuf[pos_buf[0]], "cd", 2) == 0)
+ && matchBuf[pos_buf[0]]=='c'
+ && matchBuf[pos_buf[1]]=='d' )
command_mode = FIND_DIR_ONLY;
else {
command_mode = FIND_FILE_ONLY;
/* 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) == '/' && (
- (int_buf[i + 1] & ~QUOT) == '/'
- || (int_buf[i + 1] & ~QUOT) ==
- '~')) i++;
- if (i)
- collapse_pos(0, i);
+ while ((int_buf[i] & ~QUOT) == '/' &&
+ ((int_buf[i + 1] & ~QUOT) == '/'
+ || (int_buf[i + 1] & ~QUOT) == '~')) {
+ i++;
+ }
/* set only match and destroy quotes */
j = 0;
- for (i = 0; pos_buf[i] >= 0; i++) {
- matchBuf[i] = matchBuf[pos_buf[i]];
+ for (c = 0; pos_buf[i] >= 0; i++) {
+ matchBuf[c++] = matchBuf[pos_buf[i]];
j = pos_buf[i] + 1;
}
- matchBuf[i] = 0;
+ matchBuf[c] = 0;
/* old lenght matchBuf with quotes symbols */
*len_with_quotes = j ? j - pos_buf[0] : 0;
/* Free up any memory already allocated */
input_tab(0);
-#ifdef BB_FEATURE_SH_USERNAME_COMPLETION
+#ifdef BB_FEATURE_COMMAND_USERNAME_COMPLETION
/* If the word starts with `~' and there is no slash in the word,
* then try completing this word as a username. */
* in the current working directory that matches. */
if (!matches)
matches =
- exe_n_cwd_tab_completion(matchBuf, &num_matches,
- find_type);
-
+ exe_n_cwd_tab_completion(matchBuf,
+ &num_matches, find_type);
+ /* Remove duplicate found */
+ if(matches) {
+ int i, j;
+ /* bubble */
+ for(i=0; i<(num_matches-1); i++)
+ for(j=i+1; j<num_matches; j++)
+ if(matches[i]!=0 && matches[j]!=0 &&
+ strcmp(matches[i], matches[j])==0) {
+ free(matches[j]);
+ matches[j]=0;
+ }
+ j=num_matches;
+ num_matches = 0;
+ for(i=0; i<j; i++)
+ if(matches[i]) {
+ if(!strcmp(matches[i], "./"))
+ matches[i][1]=0;
+ else if(!strcmp(matches[i], "../"))
+ matches[i][2]=0;
+ matches[num_matches++]=matches[i];
+ }
+ }
/* Did we find exactly one match? */
if (!matches || num_matches > 1) {
char *tmp1;
beep();
if (!matches)
- return; /* not found */
+ return; /* not found */
/* sort */
qsort(matches, num_matches, sizeof(char *), match_compare);
free(tmp);
return;
}
- } else { /* one match */
+ } else { /* one match */
tmp = matches[0];
/* for next completion current found */
*lastWasTab = FALSE;
/* new len */
len = strlen(command_ps);
/* write out the matched command */
- input_end();
- input_backward(cursor - recalc_pos);
+ redraw(cmdedit_y, len - recalc_pos);
}
if (tmp != matches[0])
free(tmp);
}
}
}
-#endif /* BB_FEATURE_SH_TAB_COMPLETION */
+#endif /* BB_FEATURE_COMMAND_TAB_COMPLETION */
static void get_previous_history(struct history **hp, struct history *p)
{
* Furthermore, the "vi" command editing keys are not implemented.
*
*/
-extern void cmdedit_read_input(char *prompt, char command[BUFSIZ])
-{
+
- int inputFd = fileno(stdin);
+int cmdedit_read_input(char *prompt, char command[BUFSIZ])
+{
int break_out = 0;
int lastWasTab = FALSE;
- char c = 0;
+ unsigned char c = 0;
struct history *hp = his_end;
/* 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;
- if (new_settings.c_cc[VMIN] == 0) { /* first call */
-
- getTermSettings(inputFd, (void *) &initial_settings);
- memcpy(&new_settings, &initial_settings, sizeof(struct termios));
-
- new_settings.c_cc[VMIN] = 1;
- new_settings.c_cc[VTIME] = 0;
- new_settings.c_cc[VINTR] = _POSIX_VDISABLE; /* Turn off CTRL-C, so we can trap it */
- new_settings.c_lflag &= ~ICANON; /* unbuffered input */
- new_settings.c_lflag &= ~(ECHO | ECHOCTL | ECHONL); /* Turn off echoing */
- }
-
+ getTermSettings(0, (void *) &initial_settings);
+ memcpy(&new_settings, &initial_settings, sizeof(struct termios));
+ new_settings.c_lflag &= ~ICANON; /* unbuffered input */
+ /* Turn off echoing and CTRL-C, so we can trap it */
+ new_settings.c_lflag &= ~(ECHO | ECHONL | ISIG);
+#ifndef linux
+ /* Hmm, in linux c_cc[] not parsed if set ~ICANON */
+ new_settings.c_cc[VMIN] = 1;
+ new_settings.c_cc[VTIME] = 0;
+ /* Turn off CTRL-C, so we can trap it */
+# ifndef _POSIX_VDISABLE
+# define _POSIX_VDISABLE '\0'
+# endif
+ new_settings.c_cc[VINTR] = _POSIX_VDISABLE;
+#endif
command[0] = 0;
- setTermSettings(inputFd, (void *) &new_settings);
+ setTermSettings(0, (void *) &new_settings);
handlers_sets |= SET_RESET_TERM;
- /* Print out the command prompt */
- parse_prompt(prompt);
/* Now initialize things */
cmdedit_init();
+ /* Print out the command prompt */
+ parse_prompt(prompt);
while (1) {
fflush(stdout); /* buffered out to fast */
- if (read(inputFd, &c, 1) < 1)
- return;
+ if (safe_read(0, &c, 1) < 1)
+ /* if we can't read input then exit */
+ goto prepare_to_die;
switch (c) {
case '\n':
break;
case 3:
/* Control-c -- stop gathering input */
-
- /* Link into lash to reset context to 0 on ^C and such */
- shell_context = 0;
-
- /* Go to the next line */
goto_new_line();
command[0] = 0;
-
- return;
+ len = 0;
+ lastWasTab = FALSE;
+ put_prompt();
+ break;
case 4:
/* Control-d -- Delete one character, or exit
* if the len=0 and no chars to delete */
if (len == 0) {
+prepare_to_die:
+#if !defined(BB_ASH)
printf("exit");
- clean_up_and_die(0);
+ goto_new_line();
+ /* cmdedit_reset_term() called in atexit */
+ exit(EXIT_SUCCESS);
+#else
+ break_out = -1; /* for control stoped jobs */
+ break;
+#endif
} else {
input_delete();
}
input_backspace();
break;
case '\t':
-#ifdef BB_FEATURE_SH_TAB_COMPLETION
+#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
input_tab(&lastWasTab);
#endif
break;
case ESC:{
/* escape sequence follows */
- if (read(inputFd, &c, 1) < 1)
- return;
+ if (safe_read(0, &c, 1) < 1)
+ goto prepare_to_die;
/* different vt100 emulations */
if (c == '[' || c == 'O') {
- if (read(inputFd, &c, 1) < 1)
- return;
+ if (safe_read(0, &c, 1) < 1)
+ goto prepare_to_die;
}
switch (c) {
-#ifdef BB_FEATURE_SH_TAB_COMPLETION
+#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
case '\t': /* Alt-Tab */
input_tab(&lastWasTab);
}
if (c >= '1' && c <= '9')
do
- if (read(inputFd, &c, 1) < 1)
- return;
+ if (safe_read(0, &c, 1) < 1)
+ goto prepare_to_die;
while (c != '~');
break;
}
- default: /* If it's regular input, do the normal thing */
+ default: /* If it's regular input, do the normal thing */
#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
/* Control-V -- Add non-printable symbol */
if (c == 22) {
- if (read(inputFd, &c, 1) < 1)
- return;
+ if (safe_read(0, &c, 1) < 1)
+ goto prepare_to_die;
if (c == 0) {
beep();
break;
}
} 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 */
lastWasTab = FALSE;
}
- setTermSettings(inputFd, (void *) &initial_settings);
+ setTermSettings(0, (void *) &initial_settings);
handlers_sets &= ~SET_RESET_TERM;
/* Handle command history log */
history_counter++;
}
}
-#if defined(BB_FEATURE_BASH_STYLE_PROMT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
num_ok_lines++;
#endif
}
+ if(break_out>0) {
command[len++] = '\n'; /* set '\n' */
command[len] = 0;
-#if defined(BB_FEATURE_CLEAN_UP) && defined(BB_FEATURE_SH_TAB_COMPLETION)
+ }
+#if defined(BB_FEATURE_CLEAN_UP) && defined(BB_FEATURE_COMMAND_TAB_COMPLETION)
input_tab(0); /* strong free */
#endif
-#if defined(BB_FEATURE_BASH_STYLE_PROMT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
free(cmdedit_prompt);
#endif
- return;
+ cmdedit_reset_term();
+ return len;
}
-/* Undo the effects of cmdedit_init(). */
-extern void cmdedit_terminate(void)
-{
- cmdedit_reset_term();
- if ((handlers_sets & SET_TERM_HANDLERS) != 0) {
- signal(SIGKILL, SIG_DFL);
- signal(SIGINT, SIG_DFL);
- signal(SIGQUIT, SIG_DFL);
- signal(SIGTERM, SIG_DFL);
- signal(SIGWINCH, SIG_DFL);
- handlers_sets &= ~SET_TERM_HANDLERS;
- }
-}
-#endif /* BB_FEATURE_SH_COMMAND_EDITING */
+#endif /* BB_FEATURE_COMMAND_EDITING */
#ifdef TEST
-unsigned int shell_context;
+const char *applet_name = "debug stuff usage";
+const char *memory_exhausted = "Memory exhausted";
+
+#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
+#include <locale.h>
+#endif
int main(int argc, char **argv)
{
char buff[BUFSIZ];
char *prompt =
-#if defined(BB_FEATURE_BASH_STYLE_PROMT)
- "\\[\\033[32;1m\\]\\u@\\[\\033[33;1m\\]\\h:\
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
+ "\\[\\033[32;1m\\]\\u@\\[\\x1b[33;1m\\]\\h:\
\\[\\033[34;1m\\]\\w\\[\\033[35;1m\\] \
-\\!\\[\\033[36;1m\\]\\$ \\[\\033[0m\\]";
+\\!\\[\\e[36;1m\\]\\$ \\[\\E[0m\\]";
#else
"% ";
#endif
- shell_context = 1;
- do {
+#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
+ setlocale(LC_ALL, "");
+#endif
+ while(1) {
+ int l;
cmdedit_read_input(prompt, buff);
+ l = strlen(buff);
+ if(l==0)
+ break;
+ if(l > 0 && buff[l-1] == '\n')
+ buff[l-1] = 0;
printf("*** cmdedit_read_input() returned line =%s=\n", buff);
- } while (shell_context);
+ }
printf("*** cmdedit_read_input() detect ^C\n");
return 0;
}
-#endif /* TEST */
+#endif /* TEST */
projects / oweals / busybox.git / blobdiff