From: Christopher Faylor <me@cgf.cx>
Date: Tue, 5 Sep 2000 21:51:06 +0000 (+0000)
Subject: * path.cc (readlink): 'max' should be a 'min' or we'll suffer buffer overflow.
X-Git-Tag: newlib-1_9_0~398
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=e321565bbcb9b969975f985160da076cc586ed94;p=newlib-cygwin.git

* path.cc (readlink): 'max' should be a 'min' or we'll suffer buffer overflow.
---

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 2d4429db5..e6be90e20 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+Tue Sep  5 17:49:34 2000  Christopher Faylor <cgf@cygnus.com>
+
+	* path.cc (readlink): 'max' should be a 'min' or we'll suffer
+	buffer overflow.
+
 Mon Sep  4 22:53:58 2000  Christopher Faylor <cgf@cygnus.com>
 
 	* path.cc (cwd_win32): Eliminate.
diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
index 599d00a79..2033d257c 100644
--- a/winsup/cygwin/path.cc
+++ b/winsup/cygwin/path.cc
@@ -2353,7 +2353,7 @@ readlink (const char *path, char *buf, int buflen)
       return -1;
     }
 
-  int len = max (buflen, (int) strlen (pathbuf.get_win32 ()));
+  int len = min (buflen, (int) strlen (pathbuf.get_win32 ()));
   memcpy (buf, pathbuf.get_win32 (), len);
 
   /* errno set by symlink.check if error */