Apply post-1.17.0 fixes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 8a2ea7974..a9b790cf7 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -1765,11 +1765,13 @@ static void cmdedit_setwidth(unsigned w, int redraw_flg)
 
 static void win_changed(int nsig)
 {
+        int sv_errno = errno;
         unsigned width;
         get_terminal_width_height(0, &width, NULL);
         cmdedit_setwidth(width, nsig /* - just a yes/no flag */);
         if (nsig == SIGWINCH)
                 signal(SIGWINCH, win_changed); /* rearm ourself */
+        errno = sv_errno;
 }
 
 static int lineedit_read_key(char *read_key_buffer)