mirror of
https://github.com/sheumann/hush.git
synced 2024-08-21 11:28:57 +00:00
Several fixes.
-Erik
This commit is contained in:
parent
161220c498
commit
6273f655c8
@ -4,10 +4,6 @@
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#include <string.h>
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#include <errno.h>
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#ifndef BB_INIT
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#undef BB_FEATURE_LINUXRC
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#endif
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static int been_there_done_that = 0;
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/* It has been alledged that doing such things can
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@ -4,7 +4,8 @@
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DF="busybox.def.h"
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MF="busybox.c"
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LIST="$(sed -n '/^#define/{s/^#define BB_FEATURE_.*//g;s/^#define //p;}' $DF)"
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#LIST="$(sed -n '/^#define/{s/^#define BB_FEATURE_.*//g;s/^#define //p;}' $DF)"
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LIST="$(cpp $DF -dM | sed -n -e '/^.*BB_FEATURE.*$/d;s/^#define.*\<BB_\(.*\)\>/\1/gp;' | sort)"
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for def in ${LIST}; do
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i=`sed -n '/^#ifdef \<'$def'\>.*/,/^#endif/{ s/.*\"\(.*\)\".*\(_BB_DIR_[A-Z_]*\).*$/\2\/\1/gp; }' $MF`
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@ -1,3 +1,10 @@
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#!/bin/sh
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sed -n -e 's/^#define.*BB_FEATURE.*$//g;y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/;' \
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-e '/^#define/{s/.*bb_//;s/$/.o/p;}' busybox.def.h
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# I added in the extra "ls" so only source files that
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# actually exist will show up in the compile list.
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ls -1 ` \
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cpp busybox.def.h -dM | \
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sed -n -e '/^.*BB_FEATURE.*$/d;s/^#define.*\<BB_\(.*\)\>/\1.c/gp;' \
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| tr [:upper:] [:lower:] | sort
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` 2>/dev/null | sed -e 's/\.c$/\.o/g'
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@ -4,10 +4,6 @@
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#include <string.h>
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#include <errno.h>
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#ifndef BB_INIT
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#undef BB_FEATURE_LINUXRC
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#endif
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static int been_there_done_that = 0;
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/* It has been alledged that doing such things can
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@ -40,6 +40,7 @@
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// Don't bother turning BB_INSMOD on. It doesn't work.
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//#define BB_INSMOD
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#define BB_KILL
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#define BB_KILLALL
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#define BB_KLOGD
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//#define BB_LENGTH
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#define BB_LN
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@ -198,11 +199,23 @@
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#define BB_MTAB
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#endif
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//
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#ifdef BB_FEATURE_FULL_REGULAR_EXPRESSIONS
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#if defined BB_FEATURE_FULL_REGULAR_EXPRESSIONS && (defined BB_SED || defined BB_GREP )
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#define BB_REGEXP
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#endif
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//
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#ifdef BB_FEATURE_SH_COMMAND_EDITING
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#if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
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#define BB_CMDEDIT
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#endif
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//
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#ifdef BB_KILLALL
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#ifndef BB_KILL
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#define BB_KILL
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#endif
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#endif
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//
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#ifdef BB_FEATURE_LINUXRC
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#ifndef BB_INIT
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#define BB_INIT
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#endif
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#endif
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//
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@ -4,7 +4,8 @@
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DF="busybox.def.h"
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MF="busybox.c"
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LIST="$(sed -n '/^#define/{s/^#define BB_FEATURE_.*//g;s/^#define //p;}' $DF)"
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#LIST="$(sed -n '/^#define/{s/^#define BB_FEATURE_.*//g;s/^#define //p;}' $DF)"
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LIST="$(cpp $DF -dM | sed -n -e '/^.*BB_FEATURE.*$/d;s/^#define.*\<BB_\(.*\)\>/\1/gp;' | sort)"
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for def in ${LIST}; do
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i=`sed -n '/^#ifdef \<'$def'\>.*/,/^#endif/{ s/.*\"\(.*\)\".*\(_BB_DIR_[A-Z_]*\).*$/\2\/\1/gp; }' $MF`
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11
busybox.sh
11
busybox.sh
@ -1,3 +1,10 @@
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#!/bin/sh
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sed -n -e 's/^#define.*BB_FEATURE.*$//g;y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/;' \
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-e '/^#define/{s/.*bb_//;s/$/.o/p;}' busybox.def.h
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# I added in the extra "ls" so only source files that
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# actually exist will show up in the compile list.
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ls -1 ` \
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cpp busybox.def.h -dM | \
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sed -n -e '/^.*BB_FEATURE.*$/d;s/^#define.*\<BB_\(.*\)\>/\1.c/gp;' \
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| tr [:upper:] [:lower:] | sort
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` 2>/dev/null | sed -e 's/\.c$/\.o/g'
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256
cmdedit.c
256
cmdedit.c
@ -47,6 +47,8 @@
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#define ESC 27
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#define DEL 127
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#define member(c, s) ((c) ? ((char *)strchr ((s), (c)) != (char *)NULL) : 0)
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#define whitespace(c) (((c) == ' ') || ((c) == '\t'))
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static struct history *his_front = NULL; /* First element in command line list */
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static struct history *his_end = NULL; /* Last element in command line list */
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@ -104,7 +106,7 @@ void cmdedit_reset_term(void)
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xioctl(fileno(stdin), TCSETA, (void *) &old_term);
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}
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void gotaSignal(int sig)
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void prepareToDie(int sig)
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{
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cmdedit_reset_term();
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fprintf(stdout, "\n");
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@ -175,6 +177,40 @@ void input_backspace(int outputFd, int *cursor, int *len)
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}
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}
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char **username_completion_matches( char* matchBuf)
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{
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fprintf(stderr, "\nin username_completion_matches\n");
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return ( (char**) NULL);
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}
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char **command_completion_matches( char* matchBuf)
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{
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fprintf(stderr, "\nin command_completion_matches\n");
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return ( (char**) NULL);
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}
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char **directory_completion_matches( char* matchBuf)
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{
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fprintf(stderr, "\nin directory_completion_matches\n");
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return ( (char**) NULL);
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}
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/*
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* This function is used to grab a character buffer
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* from the input file descriptor and allows you to
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* a string with full command editing (sortof like
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* a mini readline).
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*
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* The following standard commands are not implemented:
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* ESC-b -- Move back one word
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* ESC-f -- Move forward one word
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* ESC-d -- Delete back one word
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* ESC-h -- Delete forward one word
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* CTL-t -- Transpose two characters
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*
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* Furthermore, the "vi" command editing keys are not implemented.
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*
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* TODO: implement TAB command completion. :)
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*
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*/
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extern int cmdedit_read_input(int inputFd, int outputFd,
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char command[BUFSIZ])
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{
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@ -185,6 +221,8 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
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int cursor = 0;
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int break_out = 0;
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int ret = 0;
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int lastWasTab = FALSE;
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char **matches = (char **)NULL;
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char c = 0;
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struct history *hp = his_end;
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@ -211,28 +249,152 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
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return ret;
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switch (c) {
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case 1: /* Control-A Beginning of line */
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case 1:
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/* Control-a -- Beginning of line */
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input_home(outputFd, &cursor);
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break;
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case 5: /* Control-E EOL */
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case 5:
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/* Control-e -- End of line */
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input_end(outputFd, &cursor, len);
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break;
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case 4: /* Control-D */
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case 2:
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/* Control-b -- Move back one character */
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if (cursor > 0) {
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xwrite(outputFd, "\033[D", 3);
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cursor--;
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}
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break;
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case 6:
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/* Control-f -- Move forward one character */
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if (cursor < len) {
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xwrite(outputFd, "\033[C", 3);
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cursor++;
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}
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break;
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case 4:
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/* Control-d -- Delete one character */
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if (cursor != len) {
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input_delete(outputFd, cursor);
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len--;
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} else if (len == 0) {
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prepareToDie(0);
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exit(0);
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}
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break;
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case '\b': /* Backspace */
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case 14:
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/* Control-n -- Get next command */
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if (hp && hp->n && hp->n->s) {
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free( hp->s);
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hp->s = strdup(parsenextc);
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hp = hp->n;
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goto hop;
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}
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break;
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case 16:
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/* Control-p -- Get previous command */
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if (hp && hp->p) {
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free( hp->s);
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hp->s = strdup(parsenextc);
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hp = hp->p;
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goto hop;
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}
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break;
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case '\t':
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{
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/* Do TAB completion */
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int in_command_position=0, ti=len-1;
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if (lastWasTab == FALSE) {
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char *tmp;
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char *matchBuf;
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if (matches) {
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free(matches);
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matches = (char **)NULL;
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}
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matchBuf = (char *) calloc(BUFSIZ, sizeof(char));
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/* Make a local copy of the string -- up
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* to the the position of the cursor */
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strcpy( matchBuf, parsenextc);
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matchBuf[cursor+1] = '\0';
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/* skip leading white space */
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tmp = matchBuf;
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while (*tmp && isspace(*tmp)) {
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(tmp)++;
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ti++;
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}
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/* Determine if this is a command word or not */
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//while ((ti > -1) && (whitespace (matchBuf[ti]))) {
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//printf("\nti=%d\n", ti);
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// ti--;
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// }
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printf("\nti=%d\n", ti);
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if (ti < 0) {
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in_command_position++;
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} else if (member(matchBuf[ti], ";|&{(`")) {
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int this_char, prev_char;
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in_command_position++;
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/* Handle the two character tokens `>&', `<&', and `>|'.
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We are not in a command position after one of these. */
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this_char = matchBuf[ti];
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prev_char = matchBuf[ti - 1];
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if ((this_char == '&' && (prev_char == '<' || prev_char == '>')) ||
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(this_char == '|' && prev_char == '>')) {
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in_command_position = 0;
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}
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/* For now, do not bother with catching quoted
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* expressions and marking them as not in command
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* positions. Some other day. Or not.
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*/
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//else if (char_is_quoted (matchBuf, ti)) {
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// in_command_position = 0;
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//}
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}
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printf("\nin_command_position=%d\n", in_command_position);
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/* If the word starts in `~', and there is no slash in the word,
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* then try completing this word as a username. */
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if (*matchBuf == '~' && !strchr (matchBuf, '/'))
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matches = username_completion_matches(matchBuf);
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/* If this word is in a command position, then complete over possible
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* command names, including aliases, built-ins, and executables. */
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if (!matches && in_command_position) {
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matches = command_completion_matches(matchBuf);
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/* If we are attempting command completion and nothing matches,
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* then try and match directories as a last resort... */
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if (!matches)
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matches = directory_completion_matches(matchBuf);
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}
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} else {
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printf("\nprinting match list\n");
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}
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/* Rewrite the whole line (for debugging) */
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for (; cursor > 0; cursor--)
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xwrite(outputFd, "\b", 1);
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len = strlen(parsenextc);
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xwrite(outputFd, parsenextc, len);
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cursor = len;
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break;
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}
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case '\b':
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case DEL:
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/* Backspace */
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input_backspace(outputFd, &cursor, &len);
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break;
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case '\n': /* Enter */
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case '\n':
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/* Enter */
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*(parsenextc + len++ + 1) = c;
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xwrite(outputFd, &c, 1);
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break_out = 1;
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break;
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case ESC: /* escape sequence follows */
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case ESC: {
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/* escape sequence follows */
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if ((ret = read(inputFd, &c, 1)) < 1)
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return ret;
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@ -242,57 +404,76 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
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switch (c) {
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case 'A':
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if (hp && hp->p) { /* Up */
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/* Up Arrow -- Get previous command */
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if (hp && hp->p) {
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free( hp->s);
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hp->s = strdup(parsenextc);
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hp = hp->p;
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goto hop;
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}
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break;
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case 'B':
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if (hp && hp->n && hp->n->s) { /* Down */
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/* Down Arrow -- Get next command */
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if (hp && hp->n && hp->n->s) {
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free( hp->s);
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hp->s = strdup(parsenextc);
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hp = hp->n;
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goto hop;
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}
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break;
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hop: /* hop */
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/* This is where we rewrite the line
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* using the selected history item */
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hop:
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len = strlen(parsenextc);
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for (; cursor > 0; cursor--) /* return to begining of line */
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/* return to begining of line */
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for (; cursor > 0; cursor--)
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xwrite(outputFd, "\b", 1);
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xwrite(outputFd, parsenextc, len);
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for (j = 0; j < len; j++) /* erase old command */
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/* erase old command */
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for (j = 0; j < len; j++)
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xwrite(outputFd, " ", 1);
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for (j = len; j > 0; j--) /* return to begining of line */
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/* return to begining of line */
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for (j = len; j > 0; j--)
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xwrite(outputFd, "\b", 1);
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strcpy(parsenextc, hp->s); /* write new command */
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memset(parsenextc, 0, BUFSIZ);
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/* write new command */
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strcpy(parsenextc, hp->s);
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len = strlen(hp->s);
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xwrite(outputFd, parsenextc, len);
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cursor = len;
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break;
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case 'C': /* Right */
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case 'C':
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/* Right Arrow -- Move forward one character */
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if (cursor < len) {
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xwrite(outputFd, "\033[C", 3);
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cursor++;
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}
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break;
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case 'D': /* Left */
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case 'D':
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/* Left Arrow -- Move back one character */
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if (cursor > 0) {
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xwrite(outputFd, "\033[D", 3);
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cursor--;
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}
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break;
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case '3': /* Delete */
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case '3':
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/* Delete */
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if (cursor != len) {
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input_delete(outputFd, cursor);
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len--;
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}
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break;
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case '1': /* Home (Ctrl-A) */
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case '1':
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/* Home (Ctrl-A) */
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input_home(outputFd, &cursor);
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break;
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case '4': /* End (Ctrl-E) */
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case '4':
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/* End (Ctrl-E) */
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input_end(outputFd, &cursor, len);
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break;
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}
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@ -300,20 +481,24 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
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if ((ret = read(inputFd, &c, 1)) < 1)
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return ret; /* read 126 (~) */
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}
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if (c == 'O') { /* 79 */
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if (c == 'O') {
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/* 79 */
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if ((ret = read(inputFd, &c, 1)) < 1)
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return ret;
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switch (c) {
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case 'H': /* Home (xterm) */
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case 'H':
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/* Home (xterm) */
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input_home(outputFd, &cursor);
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break;
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case 'F': /* End (xterm) */
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case 'F':
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/* End (xterm) */
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input_end(outputFd, &cursor, len);
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break;
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}
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}
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c = 0;
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break;
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}
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default: /* If it's regular input, do the normal thing */
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@ -343,6 +528,10 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
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xwrite(outputFd, &c, 1);
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break;
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}
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if (c=='\t')
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lastWasTab = TRUE;
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else
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lastWasTab = FALSE;
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|
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if (break_out) /* Enter is the command terminator, no more input. */
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break;
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@ -353,32 +542,33 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
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reset_term = 0;
|
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|
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if (*(parsenextc)) { /* Handle command history log */
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/* Handle command history log */
|
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if (*(parsenextc)) {
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|
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struct history *h = his_end;
|
||||
|
||||
if (!h) { /* No previous history */
|
||||
if (!h) {
|
||||
/* No previous history */
|
||||
h = his_front = malloc(sizeof(struct history));
|
||||
h->n = malloc(sizeof(struct history));
|
||||
h->p = NULL;
|
||||
h->s = strdup(parsenextc);
|
||||
|
||||
h->n->p = h;
|
||||
h->n->n = NULL;
|
||||
h->n->s = NULL;
|
||||
his_end = h->n;
|
||||
history_counter++;
|
||||
} else { /* Add a new history command */
|
||||
|
||||
} else {
|
||||
/* Add a new history command */
|
||||
h->n = malloc(sizeof(struct history));
|
||||
|
||||
h->n->p = h;
|
||||
h->n->n = NULL;
|
||||
h->n->s = NULL;
|
||||
h->s = strdup(parsenextc);
|
||||
his_end = h->n;
|
||||
|
||||
if (history_counter >= MAX_HISTORY) { /* After max history, remove the last known command */
|
||||
/* After max history, remove the oldest command */
|
||||
if (history_counter >= MAX_HISTORY) {
|
||||
|
||||
struct history *p = his_front->n;
|
||||
|
||||
@ -398,8 +588,8 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
|
||||
extern void cmdedit_init(void)
|
||||
{
|
||||
atexit(cmdedit_reset_term);
|
||||
signal(SIGINT, gotaSignal);
|
||||
signal(SIGQUIT, gotaSignal);
|
||||
signal(SIGTERM, gotaSignal);
|
||||
signal(SIGINT, prepareToDie);
|
||||
signal(SIGQUIT, prepareToDie);
|
||||
signal(SIGTERM, prepareToDie);
|
||||
}
|
||||
#endif /* BB_FEATURE_SH_COMMAND_EDITING */
|
||||
|
13
kill.c
13
kill.c
@ -36,11 +36,12 @@ static const char *kill_usage =
|
||||
"Send a signal (default is SIGTERM) to the specified process(es).\n\n"
|
||||
"Options:\n" "\t-l\tList all signal names and numbers.\n\n";
|
||||
|
||||
#ifdef BB_KILLALL
|
||||
static const char *killall_usage =
|
||||
"killall [-signal] process-name [process-name ...]\n\n"
|
||||
"Send a signal (default is SIGTERM) to the specified process(es).\n\n"
|
||||
"Options:\n" "\t-l\tList all signal names and numbers.\n\n";
|
||||
|
||||
#endif
|
||||
|
||||
#define KILL 0
|
||||
#define KILLALL 1
|
||||
@ -132,10 +133,15 @@ extern int kill_main(int argc, char **argv)
|
||||
int whichApp, sig = SIGTERM;
|
||||
const char *appUsage;
|
||||
|
||||
#ifdef BB_KILLALL
|
||||
/* Figure out what we are trying to do here */
|
||||
whichApp = (strcmp(*argv, "killall") == 0)?
|
||||
KILLALL : KILL;
|
||||
appUsage = (whichApp == KILLALL)? killall_usage : kill_usage;
|
||||
#else
|
||||
whichApp = KILL;
|
||||
appUsage = kill_usage;
|
||||
#endif
|
||||
|
||||
argc--;
|
||||
argv++;
|
||||
@ -213,7 +219,9 @@ extern int kill_main(int argc, char **argv)
|
||||
fatalError( "Could not kill pid '%d': %s\n", pid, strerror(errno));
|
||||
argv++;
|
||||
}
|
||||
} else {
|
||||
}
|
||||
#ifdef BB_KILLALL
|
||||
else {
|
||||
/* Looks like they want to do a killall. Do that */
|
||||
while (--argc >= 0) {
|
||||
int pid;
|
||||
@ -225,6 +233,7 @@ extern int kill_main(int argc, char **argv)
|
||||
argv++;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
exit(TRUE);
|
||||
|
||||
|
12
lash.c
12
lash.c
@ -98,7 +98,7 @@ static int shell_fg_bg(struct job *cmd, struct jobSet *jobList);
|
||||
static int shell_help(struct job *cmd, struct jobSet *junk);
|
||||
static int shell_jobs(struct job *dummy, struct jobSet *jobList);
|
||||
static int shell_pwd(struct job *dummy, struct jobSet *junk);
|
||||
static int shell_set(struct job *cmd, struct jobSet *junk);
|
||||
static int shell_export(struct job *cmd, struct jobSet *junk);
|
||||
static int shell_source(struct job *cmd, struct jobSet *jobList);
|
||||
static int shell_unset(struct job *cmd, struct jobSet *junk);
|
||||
|
||||
@ -120,7 +120,7 @@ static struct builtInCommand bltins[] = {
|
||||
{"fg", "Bring job into the foreground", "fg [%%job]", shell_fg_bg},
|
||||
{"jobs", "Lists the active jobs", "jobs", shell_jobs},
|
||||
{"pwd", "Print current directory", "pwd", shell_pwd},
|
||||
{"set", "Set environment variable", "set [VAR=value]", shell_set},
|
||||
{"export", "Set environment variable", "export [VAR=value]", shell_export},
|
||||
{"unset", "Unset environment variable", "unset VAR", shell_unset},
|
||||
|
||||
{".", "Source-in and run commands in a file", ". filename",
|
||||
@ -182,7 +182,7 @@ static int shell_exit(struct job *cmd, struct jobSet *junk)
|
||||
static int shell_fg_bg(struct job *cmd, struct jobSet *jobList)
|
||||
{
|
||||
int i, jobNum;
|
||||
struct job *job;
|
||||
struct job *job=NULL;
|
||||
|
||||
if (!jobList->head) {
|
||||
if (!cmd->progs[0].argv[1] || cmd->progs[0].argv[2]) {
|
||||
@ -268,8 +268,8 @@ static int shell_pwd(struct job *dummy, struct jobSet *junk)
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* built-in 'set VAR=value' handler */
|
||||
static int shell_set(struct job *cmd, struct jobSet *junk)
|
||||
/* built-in 'export VAR=value' handler */
|
||||
static int shell_export(struct job *cmd, struct jobSet *junk)
|
||||
{
|
||||
int res;
|
||||
|
||||
@ -278,7 +278,7 @@ static int shell_set(struct job *cmd, struct jobSet *junk)
|
||||
}
|
||||
res = putenv(cmd->progs[0].argv[1]);
|
||||
if (res)
|
||||
fprintf(stdout, "set: %s\n", strerror(errno));
|
||||
fprintf(stdout, "export: %s\n", strerror(errno));
|
||||
return (res);
|
||||
}
|
||||
|
||||
|
@ -36,11 +36,12 @@ static const char *kill_usage =
|
||||
"Send a signal (default is SIGTERM) to the specified process(es).\n\n"
|
||||
"Options:\n" "\t-l\tList all signal names and numbers.\n\n";
|
||||
|
||||
#ifdef BB_KILLALL
|
||||
static const char *killall_usage =
|
||||
"killall [-signal] process-name [process-name ...]\n\n"
|
||||
"Send a signal (default is SIGTERM) to the specified process(es).\n\n"
|
||||
"Options:\n" "\t-l\tList all signal names and numbers.\n\n";
|
||||
|
||||
#endif
|
||||
|
||||
#define KILL 0
|
||||
#define KILLALL 1
|
||||
@ -132,10 +133,15 @@ extern int kill_main(int argc, char **argv)
|
||||
int whichApp, sig = SIGTERM;
|
||||
const char *appUsage;
|
||||
|
||||
#ifdef BB_KILLALL
|
||||
/* Figure out what we are trying to do here */
|
||||
whichApp = (strcmp(*argv, "killall") == 0)?
|
||||
KILLALL : KILL;
|
||||
appUsage = (whichApp == KILLALL)? killall_usage : kill_usage;
|
||||
#else
|
||||
whichApp = KILL;
|
||||
appUsage = kill_usage;
|
||||
#endif
|
||||
|
||||
argc--;
|
||||
argv++;
|
||||
@ -213,7 +219,9 @@ extern int kill_main(int argc, char **argv)
|
||||
fatalError( "Could not kill pid '%d': %s\n", pid, strerror(errno));
|
||||
argv++;
|
||||
}
|
||||
} else {
|
||||
}
|
||||
#ifdef BB_KILLALL
|
||||
else {
|
||||
/* Looks like they want to do a killall. Do that */
|
||||
while (--argc >= 0) {
|
||||
int pid;
|
||||
@ -225,6 +233,7 @@ extern int kill_main(int argc, char **argv)
|
||||
argv++;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
exit(TRUE);
|
||||
|
||||
|
12
sh.c
12
sh.c
@ -98,7 +98,7 @@ static int shell_fg_bg(struct job *cmd, struct jobSet *jobList);
|
||||
static int shell_help(struct job *cmd, struct jobSet *junk);
|
||||
static int shell_jobs(struct job *dummy, struct jobSet *jobList);
|
||||
static int shell_pwd(struct job *dummy, struct jobSet *junk);
|
||||
static int shell_set(struct job *cmd, struct jobSet *junk);
|
||||
static int shell_export(struct job *cmd, struct jobSet *junk);
|
||||
static int shell_source(struct job *cmd, struct jobSet *jobList);
|
||||
static int shell_unset(struct job *cmd, struct jobSet *junk);
|
||||
|
||||
@ -120,7 +120,7 @@ static struct builtInCommand bltins[] = {
|
||||
{"fg", "Bring job into the foreground", "fg [%%job]", shell_fg_bg},
|
||||
{"jobs", "Lists the active jobs", "jobs", shell_jobs},
|
||||
{"pwd", "Print current directory", "pwd", shell_pwd},
|
||||
{"set", "Set environment variable", "set [VAR=value]", shell_set},
|
||||
{"export", "Set environment variable", "export [VAR=value]", shell_export},
|
||||
{"unset", "Unset environment variable", "unset VAR", shell_unset},
|
||||
|
||||
{".", "Source-in and run commands in a file", ". filename",
|
||||
@ -182,7 +182,7 @@ static int shell_exit(struct job *cmd, struct jobSet *junk)
|
||||
static int shell_fg_bg(struct job *cmd, struct jobSet *jobList)
|
||||
{
|
||||
int i, jobNum;
|
||||
struct job *job;
|
||||
struct job *job=NULL;
|
||||
|
||||
if (!jobList->head) {
|
||||
if (!cmd->progs[0].argv[1] || cmd->progs[0].argv[2]) {
|
||||
@ -268,8 +268,8 @@ static int shell_pwd(struct job *dummy, struct jobSet *junk)
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* built-in 'set VAR=value' handler */
|
||||
static int shell_set(struct job *cmd, struct jobSet *junk)
|
||||
/* built-in 'export VAR=value' handler */
|
||||
static int shell_export(struct job *cmd, struct jobSet *junk)
|
||||
{
|
||||
int res;
|
||||
|
||||
@ -278,7 +278,7 @@ static int shell_set(struct job *cmd, struct jobSet *junk)
|
||||
}
|
||||
res = putenv(cmd->progs[0].argv[1]);
|
||||
if (res)
|
||||
fprintf(stdout, "set: %s\n", strerror(errno));
|
||||
fprintf(stdout, "export: %s\n", strerror(errno));
|
||||
return (res);
|
||||
}
|
||||
|
||||
|
256
shell/cmdedit.c
256
shell/cmdedit.c
@ -47,6 +47,8 @@
|
||||
|
||||
#define ESC 27
|
||||
#define DEL 127
|
||||
#define member(c, s) ((c) ? ((char *)strchr ((s), (c)) != (char *)NULL) : 0)
|
||||
#define whitespace(c) (((c) == ' ') || ((c) == '\t'))
|
||||
|
||||
static struct history *his_front = NULL; /* First element in command line list */
|
||||
static struct history *his_end = NULL; /* Last element in command line list */
|
||||
@ -104,7 +106,7 @@ void cmdedit_reset_term(void)
|
||||
xioctl(fileno(stdin), TCSETA, (void *) &old_term);
|
||||
}
|
||||
|
||||
void gotaSignal(int sig)
|
||||
void prepareToDie(int sig)
|
||||
{
|
||||
cmdedit_reset_term();
|
||||
fprintf(stdout, "\n");
|
||||
@ -175,6 +177,40 @@ void input_backspace(int outputFd, int *cursor, int *len)
|
||||
}
|
||||
}
|
||||
|
||||
char **username_completion_matches( char* matchBuf)
|
||||
{
|
||||
fprintf(stderr, "\nin username_completion_matches\n");
|
||||
return ( (char**) NULL);
|
||||
}
|
||||
char **command_completion_matches( char* matchBuf)
|
||||
{
|
||||
fprintf(stderr, "\nin command_completion_matches\n");
|
||||
return ( (char**) NULL);
|
||||
}
|
||||
char **directory_completion_matches( char* matchBuf)
|
||||
{
|
||||
fprintf(stderr, "\nin directory_completion_matches\n");
|
||||
return ( (char**) NULL);
|
||||
}
|
||||
|
||||
/*
|
||||
* This function is used to grab a character buffer
|
||||
* from the input file descriptor and allows you to
|
||||
* a string with full command editing (sortof like
|
||||
* a mini readline).
|
||||
*
|
||||
* The following standard commands are not implemented:
|
||||
* ESC-b -- Move back one word
|
||||
* ESC-f -- Move forward one word
|
||||
* ESC-d -- Delete back one word
|
||||
* ESC-h -- Delete forward one word
|
||||
* CTL-t -- Transpose two characters
|
||||
*
|
||||
* Furthermore, the "vi" command editing keys are not implemented.
|
||||
*
|
||||
* TODO: implement TAB command completion. :)
|
||||
*
|
||||
*/
|
||||
extern int cmdedit_read_input(int inputFd, int outputFd,
|
||||
char command[BUFSIZ])
|
||||
{
|
||||
@ -185,6 +221,8 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
|
||||
int cursor = 0;
|
||||
int break_out = 0;
|
||||
int ret = 0;
|
||||
int lastWasTab = FALSE;
|
||||
char **matches = (char **)NULL;
|
||||
char c = 0;
|
||||
struct history *hp = his_end;
|
||||
|
||||
@ -211,28 +249,152 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
|
||||
return ret;
|
||||
|
||||
switch (c) {
|
||||
case 1: /* Control-A Beginning of line */
|
||||
case 1:
|
||||
/* Control-a -- Beginning of line */
|
||||
input_home(outputFd, &cursor);
|
||||
break;
|
||||
case 5: /* Control-E EOL */
|
||||
case 5:
|
||||
/* Control-e -- End of line */
|
||||
input_end(outputFd, &cursor, len);
|
||||
break;
|
||||
case 4: /* Control-D */
|
||||
case 2:
|
||||
/* Control-b -- Move back one character */
|
||||
if (cursor > 0) {
|
||||
xwrite(outputFd, "\033[D", 3);
|
||||
cursor--;
|
||||
}
|
||||
break;
|
||||
case 6:
|
||||
/* Control-f -- Move forward one character */
|
||||
if (cursor < len) {
|
||||
xwrite(outputFd, "\033[C", 3);
|
||||
cursor++;
|
||||
}
|
||||
break;
|
||||
case 4:
|
||||
/* Control-d -- Delete one character */
|
||||
if (cursor != len) {
|
||||
input_delete(outputFd, cursor);
|
||||
len--;
|
||||
} else if (len == 0) {
|
||||
prepareToDie(0);
|
||||
exit(0);
|
||||
}
|
||||
break;
|
||||
case '\b': /* Backspace */
|
||||
case 14:
|
||||
/* Control-n -- Get next command */
|
||||
if (hp && hp->n && hp->n->s) {
|
||||
free( hp->s);
|
||||
hp->s = strdup(parsenextc);
|
||||
hp = hp->n;
|
||||
goto hop;
|
||||
}
|
||||
break;
|
||||
case 16:
|
||||
/* Control-p -- Get previous command */
|
||||
if (hp && hp->p) {
|
||||
free( hp->s);
|
||||
hp->s = strdup(parsenextc);
|
||||
hp = hp->p;
|
||||
goto hop;
|
||||
}
|
||||
break;
|
||||
case '\t':
|
||||
{
|
||||
/* Do TAB completion */
|
||||
int in_command_position=0, ti=len-1;
|
||||
|
||||
if (lastWasTab == FALSE) {
|
||||
char *tmp;
|
||||
char *matchBuf;
|
||||
|
||||
if (matches) {
|
||||
free(matches);
|
||||
matches = (char **)NULL;
|
||||
}
|
||||
|
||||
matchBuf = (char *) calloc(BUFSIZ, sizeof(char));
|
||||
|
||||
/* Make a local copy of the string -- up
|
||||
* to the the position of the cursor */
|
||||
strcpy( matchBuf, parsenextc);
|
||||
matchBuf[cursor+1] = '\0';
|
||||
|
||||
/* skip leading white space */
|
||||
tmp = matchBuf;
|
||||
while (*tmp && isspace(*tmp)) {
|
||||
(tmp)++;
|
||||
ti++;
|
||||
}
|
||||
|
||||
/* Determine if this is a command word or not */
|
||||
//while ((ti > -1) && (whitespace (matchBuf[ti]))) {
|
||||
//printf("\nti=%d\n", ti);
|
||||
// ti--;
|
||||
// }
|
||||
printf("\nti=%d\n", ti);
|
||||
|
||||
if (ti < 0) {
|
||||
in_command_position++;
|
||||
} else if (member(matchBuf[ti], ";|&{(`")) {
|
||||
int this_char, prev_char;
|
||||
in_command_position++;
|
||||
/* Handle the two character tokens `>&', `<&', and `>|'.
|
||||
We are not in a command position after one of these. */
|
||||
this_char = matchBuf[ti];
|
||||
prev_char = matchBuf[ti - 1];
|
||||
|
||||
if ((this_char == '&' && (prev_char == '<' || prev_char == '>')) ||
|
||||
(this_char == '|' && prev_char == '>')) {
|
||||
in_command_position = 0;
|
||||
}
|
||||
/* For now, do not bother with catching quoted
|
||||
* expressions and marking them as not in command
|
||||
* positions. Some other day. Or not.
|
||||
*/
|
||||
//else if (char_is_quoted (matchBuf, ti)) {
|
||||
// in_command_position = 0;
|
||||
//}
|
||||
}
|
||||
printf("\nin_command_position=%d\n", in_command_position);
|
||||
/* If the word starts in `~', and there is no slash in the word,
|
||||
* then try completing this word as a username. */
|
||||
if (*matchBuf == '~' && !strchr (matchBuf, '/'))
|
||||
matches = username_completion_matches(matchBuf);
|
||||
|
||||
/* If this word is in a command position, then complete over possible
|
||||
* command names, including aliases, built-ins, and executables. */
|
||||
if (!matches && in_command_position) {
|
||||
matches = command_completion_matches(matchBuf);
|
||||
|
||||
/* If we are attempting command completion and nothing matches,
|
||||
* then try and match directories as a last resort... */
|
||||
if (!matches)
|
||||
matches = directory_completion_matches(matchBuf);
|
||||
}
|
||||
} else {
|
||||
printf("\nprinting match list\n");
|
||||
}
|
||||
/* Rewrite the whole line (for debugging) */
|
||||
for (; cursor > 0; cursor--)
|
||||
xwrite(outputFd, "\b", 1);
|
||||
len = strlen(parsenextc);
|
||||
xwrite(outputFd, parsenextc, len);
|
||||
cursor = len;
|
||||
break;
|
||||
}
|
||||
case '\b':
|
||||
case DEL:
|
||||
/* Backspace */
|
||||
input_backspace(outputFd, &cursor, &len);
|
||||
break;
|
||||
case '\n': /* Enter */
|
||||
case '\n':
|
||||
/* Enter */
|
||||
*(parsenextc + len++ + 1) = c;
|
||||
xwrite(outputFd, &c, 1);
|
||||
break_out = 1;
|
||||
break;
|
||||
case ESC: /* escape sequence follows */
|
||||
case ESC: {
|
||||
/* escape sequence follows */
|
||||
if ((ret = read(inputFd, &c, 1)) < 1)
|
||||
return ret;
|
||||
|
||||
@ -242,57 +404,76 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
|
||||
|
||||
switch (c) {
|
||||
case 'A':
|
||||
if (hp && hp->p) { /* Up */
|
||||
/* Up Arrow -- Get previous command */
|
||||
if (hp && hp->p) {
|
||||
free( hp->s);
|
||||
hp->s = strdup(parsenextc);
|
||||
hp = hp->p;
|
||||
goto hop;
|
||||
}
|
||||
break;
|
||||
case 'B':
|
||||
if (hp && hp->n && hp->n->s) { /* Down */
|
||||
/* Down Arrow -- Get next command */
|
||||
if (hp && hp->n && hp->n->s) {
|
||||
free( hp->s);
|
||||
hp->s = strdup(parsenextc);
|
||||
hp = hp->n;
|
||||
goto hop;
|
||||
}
|
||||
break;
|
||||
|
||||
hop: /* hop */
|
||||
/* This is where we rewrite the line
|
||||
* using the selected history item */
|
||||
hop:
|
||||
len = strlen(parsenextc);
|
||||
|
||||
for (; cursor > 0; cursor--) /* return to begining of line */
|
||||
/* return to begining of line */
|
||||
for (; cursor > 0; cursor--)
|
||||
xwrite(outputFd, "\b", 1);
|
||||
xwrite(outputFd, parsenextc, len);
|
||||
|
||||
for (j = 0; j < len; j++) /* erase old command */
|
||||
/* erase old command */
|
||||
for (j = 0; j < len; j++)
|
||||
xwrite(outputFd, " ", 1);
|
||||
|
||||
for (j = len; j > 0; j--) /* return to begining of line */
|
||||
/* return to begining of line */
|
||||
for (j = len; j > 0; j--)
|
||||
xwrite(outputFd, "\b", 1);
|
||||
|
||||
strcpy(parsenextc, hp->s); /* write new command */
|
||||
memset(parsenextc, 0, BUFSIZ);
|
||||
/* write new command */
|
||||
strcpy(parsenextc, hp->s);
|
||||
len = strlen(hp->s);
|
||||
xwrite(outputFd, parsenextc, len);
|
||||
cursor = len;
|
||||
break;
|
||||
case 'C': /* Right */
|
||||
case 'C':
|
||||
/* Right Arrow -- Move forward one character */
|
||||
if (cursor < len) {
|
||||
xwrite(outputFd, "\033[C", 3);
|
||||
cursor++;
|
||||
}
|
||||
break;
|
||||
case 'D': /* Left */
|
||||
case 'D':
|
||||
/* Left Arrow -- Move back one character */
|
||||
if (cursor > 0) {
|
||||
xwrite(outputFd, "\033[D", 3);
|
||||
cursor--;
|
||||
}
|
||||
break;
|
||||
case '3': /* Delete */
|
||||
case '3':
|
||||
/* Delete */
|
||||
if (cursor != len) {
|
||||
input_delete(outputFd, cursor);
|
||||
len--;
|
||||
}
|
||||
break;
|
||||
case '1': /* Home (Ctrl-A) */
|
||||
case '1':
|
||||
/* Home (Ctrl-A) */
|
||||
input_home(outputFd, &cursor);
|
||||
break;
|
||||
case '4': /* End (Ctrl-E) */
|
||||
case '4':
|
||||
/* End (Ctrl-E) */
|
||||
input_end(outputFd, &cursor, len);
|
||||
break;
|
||||
}
|
||||
@ -300,20 +481,24 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
|
||||
if ((ret = read(inputFd, &c, 1)) < 1)
|
||||
return ret; /* read 126 (~) */
|
||||
}
|
||||
if (c == 'O') { /* 79 */
|
||||
if (c == 'O') {
|
||||
/* 79 */
|
||||
if ((ret = read(inputFd, &c, 1)) < 1)
|
||||
return ret;
|
||||
switch (c) {
|
||||
case 'H': /* Home (xterm) */
|
||||
case 'H':
|
||||
/* Home (xterm) */
|
||||
input_home(outputFd, &cursor);
|
||||
break;
|
||||
case 'F': /* End (xterm) */
|
||||
case 'F':
|
||||
/* End (xterm) */
|
||||
input_end(outputFd, &cursor, len);
|
||||
break;
|
||||
}
|
||||
}
|
||||
c = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
default: /* If it's regular input, do the normal thing */
|
||||
|
||||
@ -343,6 +528,10 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
|
||||
xwrite(outputFd, &c, 1);
|
||||
break;
|
||||
}
|
||||
if (c=='\t')
|
||||
lastWasTab = TRUE;
|
||||
else
|
||||
lastWasTab = FALSE;
|
||||
|
||||
if (break_out) /* Enter is the command terminator, no more input. */
|
||||
break;
|
||||
@ -353,32 +542,33 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
|
||||
reset_term = 0;
|
||||
|
||||
|
||||
if (*(parsenextc)) { /* Handle command history log */
|
||||
/* Handle command history log */
|
||||
if (*(parsenextc)) {
|
||||
|
||||
struct history *h = his_end;
|
||||
|
||||
if (!h) { /* No previous history */
|
||||
if (!h) {
|
||||
/* No previous history */
|
||||
h = his_front = malloc(sizeof(struct history));
|
||||
h->n = malloc(sizeof(struct history));
|
||||
h->p = NULL;
|
||||
h->s = strdup(parsenextc);
|
||||
|
||||
h->n->p = h;
|
||||
h->n->n = NULL;
|
||||
h->n->s = NULL;
|
||||
his_end = h->n;
|
||||
history_counter++;
|
||||
} else { /* Add a new history command */
|
||||
|
||||
} else {
|
||||
/* Add a new history command */
|
||||
h->n = malloc(sizeof(struct history));
|
||||
|
||||
h->n->p = h;
|
||||
h->n->n = NULL;
|
||||
h->n->s = NULL;
|
||||
h->s = strdup(parsenextc);
|
||||
his_end = h->n;
|
||||
|
||||
if (history_counter >= MAX_HISTORY) { /* After max history, remove the last known command */
|
||||
/* After max history, remove the oldest command */
|
||||
if (history_counter >= MAX_HISTORY) {
|
||||
|
||||
struct history *p = his_front->n;
|
||||
|
||||
@ -398,8 +588,8 @@ extern int cmdedit_read_input(int inputFd, int outputFd,
|
||||
extern void cmdedit_init(void)
|
||||
{
|
||||
atexit(cmdedit_reset_term);
|
||||
signal(SIGINT, gotaSignal);
|
||||
signal(SIGQUIT, gotaSignal);
|
||||
signal(SIGTERM, gotaSignal);
|
||||
signal(SIGINT, prepareToDie);
|
||||
signal(SIGQUIT, prepareToDie);
|
||||
signal(SIGTERM, prepareToDie);
|
||||
}
|
||||
#endif /* BB_FEATURE_SH_COMMAND_EDITING */
|
||||
|
12
shell/lash.c
12
shell/lash.c
@ -98,7 +98,7 @@ static int shell_fg_bg(struct job *cmd, struct jobSet *jobList);
|
||||
static int shell_help(struct job *cmd, struct jobSet *junk);
|
||||
static int shell_jobs(struct job *dummy, struct jobSet *jobList);
|
||||
static int shell_pwd(struct job *dummy, struct jobSet *junk);
|
||||
static int shell_set(struct job *cmd, struct jobSet *junk);
|
||||
static int shell_export(struct job *cmd, struct jobSet *junk);
|
||||
static int shell_source(struct job *cmd, struct jobSet *jobList);
|
||||
static int shell_unset(struct job *cmd, struct jobSet *junk);
|
||||
|
||||
@ -120,7 +120,7 @@ static struct builtInCommand bltins[] = {
|
||||
{"fg", "Bring job into the foreground", "fg [%%job]", shell_fg_bg},
|
||||
{"jobs", "Lists the active jobs", "jobs", shell_jobs},
|
||||
{"pwd", "Print current directory", "pwd", shell_pwd},
|
||||
{"set", "Set environment variable", "set [VAR=value]", shell_set},
|
||||
{"export", "Set environment variable", "export [VAR=value]", shell_export},
|
||||
{"unset", "Unset environment variable", "unset VAR", shell_unset},
|
||||
|
||||
{".", "Source-in and run commands in a file", ". filename",
|
||||
@ -182,7 +182,7 @@ static int shell_exit(struct job *cmd, struct jobSet *junk)
|
||||
static int shell_fg_bg(struct job *cmd, struct jobSet *jobList)
|
||||
{
|
||||
int i, jobNum;
|
||||
struct job *job;
|
||||
struct job *job=NULL;
|
||||
|
||||
if (!jobList->head) {
|
||||
if (!cmd->progs[0].argv[1] || cmd->progs[0].argv[2]) {
|
||||
@ -268,8 +268,8 @@ static int shell_pwd(struct job *dummy, struct jobSet *junk)
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* built-in 'set VAR=value' handler */
|
||||
static int shell_set(struct job *cmd, struct jobSet *junk)
|
||||
/* built-in 'export VAR=value' handler */
|
||||
static int shell_export(struct job *cmd, struct jobSet *junk)
|
||||
{
|
||||
int res;
|
||||
|
||||
@ -278,7 +278,7 @@ static int shell_set(struct job *cmd, struct jobSet *junk)
|
||||
}
|
||||
res = putenv(cmd->progs[0].argv[1]);
|
||||
if (res)
|
||||
fprintf(stdout, "set: %s\n", strerror(errno));
|
||||
fprintf(stdout, "export: %s\n", strerror(errno));
|
||||
return (res);
|
||||
}
|
||||
|
||||
|
@ -1247,8 +1247,7 @@ extern int device_open(char *device, int mode)
|
||||
#endif /* BB_INIT BB_SYSLOGD */
|
||||
|
||||
|
||||
#if defined BB_FEATURE_LINUXRC && ( defined BB_HALT || defined BB_REBOOT || defined BB_POWEROFF )
|
||||
|
||||
#if defined BB_KILLALL || ( defined BB_FEATURE_LINUXRC && ( defined BB_HALT || defined BB_REBOOT || defined BB_POWEROFF ))
|
||||
#ifdef BB_FEATURE_USE_DEVPS_PATCH
|
||||
#include <linux/devps.h>
|
||||
#endif
|
||||
@ -1363,7 +1362,7 @@ extern pid_t findPidByName( char* pidName)
|
||||
return 0;
|
||||
}
|
||||
#endif /* BB_FEATURE_USE_DEVPS_PATCH */
|
||||
#endif /* BB_INIT || BB_HALT || BB_REBOOT || BB_POWEROFF */
|
||||
#endif /* BB_KILLALL || ( BB_FEATURE_LINUXRC && ( BB_HALT || BB_REBOOT || BB_POWEROFF )) */
|
||||
|
||||
#if defined BB_GUNZIP \
|
||||
|| defined BB_GZIP \
|
||||
|
Loading…
Reference in New Issue
Block a user