Wrap a table (bg set to black, width=80%) around the screenshot

[oweals/busybox.git] / cmdedit.c

diff --git a/cmdedit.c b/cmdedit.c
index c2b4123dbc7fa437465ff7307630b28bc38ddda6..1690326976ff52d5637adbcd56523b24b286fa12 100644 (file)
--- a/cmdedit.c
+++ b/cmdedit.c
@@ -54,10 +54,6 @@
 #include <sys/stat.h>
 #endif
 
-#ifdef BB_FEATURE_USERNAME_COMPLETION
-#include <pwd.h>
-#endif
-
 static const int MAX_HISTORY = 15;             /* Maximum length of the linked list for the command line history */
 
 enum {
@@ -140,19 +136,23 @@ static void win_changed(int nsig)
        struct winsize win = { 0, 0, 0, 0 };
        static __sighandler_t previous_SIGWINCH_handler; /* for reset */
 
-          /*   emulate      || signal call */
+       /* emulate signal call if not called as a sig handler */
        if(nsig == -SIGWINCH || nsig == SIGWINCH) {
                ioctl(0, TIOCGWINSZ, &win);
                if (win.ws_col > 0) {
                        cmdedit_setwidth( win.ws_col, nsig == SIGWINCH );
-                       }
+               } else {
+                       /* Default to 79 if their console doesn't want to share */
+                       cmdedit_setwidth( 79, nsig == SIGWINCH );
+               }
        }
-               /* Unix not all standart in recall signal */
+       
+       /* Unix not all standart in recall signal */
 
-       if(nsig == -SIGWINCH)                   /* save previous handler */
+       if(nsig == -SIGWINCH)                  /* save previous handler */
                previous_SIGWINCH_handler = signal(SIGWINCH, win_changed);
        else if(nsig == SIGWINCH)              /* signaled called handler */
-               signal(SIGWINCH, win_changed);  /* set for next call */
+               signal(SIGWINCH, win_changed);     /* set for next call */
        else                                   /* set previous handler */
                signal(SIGWINCH, previous_SIGWINCH_handler);   /* reset */
 }
@@ -325,7 +325,7 @@ static void cmdedit_setwidth(int w, int redraw_flg)
 extern void cmdedit_init(void)
 {
        if((handlers_sets & SET_WCHG_HANDLERS)==0) {
-       /* emulate usage handler to set handler and call yours work */
+               /* pretend we received a signal in order to set term size and sig handling */
                win_changed(-SIGWINCH);
                handlers_sets |= SET_WCHG_HANDLERS;
        }