From: Segher Boessenkool <boessen@de.ibm.com>
Date: Wed, 17 Dec 2003 09:34:08 +0000 (+0000)
Subject: * opts.c (wrap_help): Fix overflow.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b50d9339ba76548a9f8232ba37fd78af5be54002;p=gcc.git

* opts.c (wrap_help): Fix overflow.

From-SVN: r74737
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d1ed45caeab..eea71982922 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-12-17  Segher Boessenkool  <boessen@de.ibm.com>
+
+	* opts.c (wrap_help): Fix overflow.
+
 2003-12-17  Fred Fish  <fnf@redhat.com>
 
 	* configure.in: Remove code to examine linker scripts and set
diff --git a/gcc/opts.c b/gcc/opts.c
index 41cecc1cda6..0497cb01709 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1829,7 +1829,7 @@ wrap_help (const char *help, const char *item, unsigned int item_width)
 		len = i;
 	      else if ((help[i] == '-' || help[i] == '/')
 		       && help[i + 1] != ' '
-		       && ISALPHA (help[i - 1]))
+		       && i > 0 && ISALPHA (help[i - 1]))
 		len = i + 1;
 	    }
 	}