in statusq(), make sure that the vsnprintf(foo) call and foo's

subsequent null termination both take the proper number of bytes when
using multibyte characters, so that multibyte prompt strings aren't
prematurely cut off


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2444 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -75,6 +75,11 @@ CVS code -
   regexec_safe()
 	- Rename to safe_regexec() for consistency. (DLR)
 - winio.c:
+  statusq()
+	- Make sure that the vsnprintf(foo) call and foo's subsequent
+	  null termination both take the proper number of bytes when
+	  using multibyte characters, so that multibyte prompt strings
+	  aren't prematurely cut off. (DLR)
   titlebar()
 	- Make sure that the (mv)?waddnstr() calls take the proper
 	  number of bytes when using multibyte characters, so that

src/winio.c

@@ -2652,7 +2652,7 @@ int statusq(bool allow_tabs, const shortcut *s, const char *def,
 		const char *msg, ...)
 {
     va_list ap;
-    char *foo = charalloc(COLS - 3);
+    char *foo = charalloc(((COLS - 4) * mb_cur_max()) + 1);
     int ret;
 #ifndef DISABLE_TABCOMP
     bool list = FALSE;
@@ -2661,9 +2661,9 @@ int statusq(bool allow_tabs, const shortcut *s, const char *def,
     bottombars(s);
 
     va_start(ap, msg);
-    vsnprintf(foo, COLS - 4, msg, ap);
+    vsnprintf(foo, (COLS - 4) * mb_cur_max(), msg, ap);
     va_end(ap);
-    foo[COLS - 4] = '\0';
+    null_at(&foo, actual_x(foo, COLS - 4));
 
     ret = nanogetstr(allow_tabs, foo, def,
 #ifndef NANO_SMALL