From: Roland McGrath <roland@redhat.com>
Date: Tue, 12 Dec 1995 04:24:17 +0000 (+0000)
Subject: (collapse_continuations): Fix skipping of trailing \s so it can never
X-Git-Tag: 3.74.1~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76d037cb95c26a4a3c5ac7ba34c94cae2be7baa1;p=thirdparty%2Fmake.git

(collapse_continuations): Fix skipping of trailing \s so it can never
dereference before the beginning of the array.
---

diff --git a/misc.c b/misc.c
index a7e9e711..88dfd60c 100644
--- a/misc.c
+++ b/misc.c
@@ -50,9 +50,8 @@ collapse_continuations (line)
     return;
 
   out = in;
-  if (out > line)
-    while (out[-1] == '\\')
-      --out;
+  while (out > line && out[-1] == '\\')
+    --out;
 
   while (*in != '\0')
     {