A patch from Aaron Lehmann <aaronl@vitelus.com> to fix a

crash on a broken regexp.


git-svn-id: svn://busybox.net/trunk/busybox@2630 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 9 insertions, 1 deletions

diff --git a/vi.c b/vi.c
index 5a68ba9f1..6d1502966 100644
--- a/vi.c
+++ b/vi.c
@@ -19,7 +19,7 @@
  */
 
 char *vi_Version =
-        "$Id: vi.c,v 1.7 2001/05/07 22:57:47 andersen Exp $";
+        "$Id: vi.c,v 1.8 2001/05/13 00:48:09 andersen Exp $";
 
 /*
  * To compile for standalone use:
@@ -2076,8 +2076,10 @@ static void colon(Byte * buf)
                 c = orig_buf[1];        // what is the delimiter
                 F = orig_buf + 2;       // start of "find"
                 R = (Byte *) strchr((char *) F, c);     // middle delimiter
+                if (!R) goto colon_s_fail;
                 *R++ = '\0';    // terminate "find"
                 buf1 = (Byte *) strchr((char *) R, c);
+                if (!buf1) goto colon_s_fail;
                 *buf1++ = '\0'; // terminate "replace"
                 if (*buf1 == 'g') {     // :s/foo/bar/g
                         buf1++;
@@ -2168,6 +2170,12 @@ static void colon(Byte * buf)
   vc1:
         dot = bound_dot(dot);   // make sure "dot" is valid
         return;
+#ifdef BB_FEATURE_VI_SEARCH
+colon_s_fail:
+        psb(":s expression missing delimiters");
+        return;
+#endif
+
 }
 
 static void Hit_Return(void)