* opts.c (wrap_help): Fix overflow.

From-SVN: r74737

* opts.c (wrap_help): Fix overflow.
From-SVN: r74737
b50d9339 · Segher Boessenkool · Hartmut Penner · a7833d6a · b50d9339 · b50d9339
Commit b50d9339 authored Dec 17, 2003 by Segher Boessenkool Committed by Hartmut Penner Dec 17, 2003
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gcc/ChangeLog
+4 -0

gcc/opts.c
+1 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+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

--- 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;
 	    }
 	}