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-rw-r--r--sh.c39
1 files changed, 22 insertions, 17 deletions
diff --git a/sh.c b/sh.c
index f17097c64..44ffe968f 100644
--- a/sh.c
+++ b/sh.c
@@ -37,6 +37,9 @@
37#include <sys/ioctl.h> 37#include <sys/ioctl.h>
38#include <sys/wait.h> 38#include <sys/wait.h>
39#include <unistd.h> 39#include <unistd.h>
40#ifdef BB_FEATURE_SH_COMMAND_EDITING
41#include "cmdedit.h"
42#endif
40 43
41 44
42#define JOB_STATUS_FORMAT "[%d] %-22s %.40s\n" 45#define JOB_STATUS_FORMAT "[%d] %-22s %.40s\n"
@@ -132,6 +135,16 @@ static const char shell_usage[] =
132static char cwd[1024]; 135static char cwd[1024];
133static char *prompt = "# "; 136static char *prompt = "# ";
134 137
138#ifdef BB_FEATURE_SH_COMMAND_EDITING
139void win_changed(int sig)
140{
141 struct winsize win = { 0, 0 };
142 ioctl(0, TIOCGWINSZ, &win);
143 if (win.ws_col > 0) {
144 cmdedit_setwidth( win.ws_col - 1);
145 }
146}
147#endif
135 148
136 149
137/* built-in 'cd <path>' handler */ 150/* built-in 'cd <path>' handler */
@@ -398,7 +411,7 @@ static int getCommand(FILE * source, char *command)
398 fflush(stdout); 411 fflush(stdout);
399 promptStr=(char*)malloc(sizeof(char)*(len+1)); 412 promptStr=(char*)malloc(sizeof(char)*(len+1));
400 sprintf(promptStr, "%s %s", cwd, prompt); 413 sprintf(promptStr, "%s %s", cwd, prompt);
401 cmdedit_read_input(promptStr, fileno(stdin), fileno(stdout), command); 414 cmdedit_read_input(promptStr, command);
402 free( promptStr); 415 free( promptStr);
403 return 0; 416 return 0;
404#else 417#else
@@ -696,7 +709,6 @@ static int parseCommand(char **commandPtr, struct job *job, int *isBg)
696 strcpy(job->text, *commandPtr); 709 strcpy(job->text, *commandPtr);
697 } else { 710 } else {
698 /* This leaves any trailing spaces, which is a bit sloppy */ 711 /* This leaves any trailing spaces, which is a bit sloppy */
699
700 count = returnCommand - *commandPtr; 712 count = returnCommand - *commandPtr;
701 job->text = malloc(count + 1); 713 job->text = malloc(count + 1);
702 strncpy(job->text, *commandPtr, count); 714 strncpy(job->text, *commandPtr, count);
@@ -793,14 +805,12 @@ static int runCommand(struct job newJob, struct jobSet *jobList, int inBg)
793 if (inBg) { 805 if (inBg) {
794 /* we don't wait for background jobs to return -- append it 806 /* we don't wait for background jobs to return -- append it
795 to the list of backgrounded jobs and leave it alone */ 807 to the list of backgrounded jobs and leave it alone */
796
797 printf("[%d] %d\n", job->jobId, 808 printf("[%d] %d\n", job->jobId,
798 newJob.progs[newJob.numProgs - 1].pid); 809 newJob.progs[newJob.numProgs - 1].pid);
799 } else { 810 } else {
800 jobList->fg = job; 811 jobList->fg = job;
801 812
802 /* move the new process group into the foreground */ 813 /* move the new process group into the foreground */
803
804 if (tcsetpgrp(0, newJob.pgrp)) 814 if (tcsetpgrp(0, newJob.pgrp))
805 perror("tcsetpgrp"); 815 perror("tcsetpgrp");
806 } 816 }
@@ -938,29 +948,24 @@ int shell_main(int argc, char **argv)
938 /* initialize the cwd */ 948 /* initialize the cwd */
939 getcwd(cwd, sizeof(cwd)); 949 getcwd(cwd, sizeof(cwd));
940 950
951#ifdef BB_FEATURE_SH_COMMAND_EDITING
952 signal(SIGWINCH, win_changed);
953 win_changed(0);
954#endif
941 955
942 //if (argv[0] && argv[0][0] == '-') { 956 //if (argv[0] && argv[0][0] == '-') {
943 // shell_source("/etc/profile"); 957 // shell_source("/etc/profile");
944 //} 958 //}
945 959
946 if (argc < 2) { 960 if (argc < 2) {
947 fprintf(stdout, "\n\nBusyBox v%s (%s) Built-in shell\n", BB_VER, 961 fprintf(stdout, "\n\nBusyBox v%s (%s) Built-in shell\n", BB_VER, BB_BT);
948 BB_BT); 962 fprintf(stdout, "Enter 'help' for a list of built-in commands.\n\n");
949 fprintf(stdout,
950 "Enter 'help' for a list of built-in commands.\n\n");
951 } else { 963 } else {
952 input = fopen(argv[1], "r"); 964 input = fopen(argv[1], "r");
953 if (!input) 965 if (!input) {
954 fatalError("A: Couldn't open file '%s': %s\n", argv[1], 966 fatalError("A: Couldn't open file '%s': %s\n", argv[1],
955 strerror(errno)); 967 strerror(errno));
956// else 968 }
957// fatalError("Got it.\n");
958 //exit(shell_source(argv[1]));
959
960 /* Set terminal IO to canonical mode, and save old term settings. */
961#ifdef BB_FEATURE_SH_COMMAND_EDITING
962 cmdedit_init();
963#endif
964 } 969 }
965 970
966 return (busy_loop(input)); 971 return (busy_loop(input));