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changeset 13464:abaeec5957d0

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strtod: Add safety check.
author Bruno Haible <bruno@clisp.org>
date Tue, 13 Jul 2010 10:07:23 +0200
parents 592d6086de3f
children dc342fd2f695
files ChangeLog lib/strtod.c
diffstat 2 files changed, 11 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-13  Bruno Haible  <bruno@clisp.org>
+
+	strtod: Add safety check.
+	* lib/strtod.c (ldexp): Abort if this dummy replacement gets called.
+
 2010-07-12  Bruno Haible  <bruno@clisp.org>
 
 	Unify tests that set gl_cv_func_ldexpl_no_libm.
--- a/lib/strtod.c
+++ b/lib/strtod.c
@@ -45,7 +45,12 @@
 
 #if !HAVE_LDEXP_IN_LIBC
  #define ldexp dummy_ldexp
- static double ldexp (double x, int exponent) { return x + exponent; }
+ /* A dummy definition that will never be invoked.  */
+ static double ldexp (double x _GL_UNUSED, int exponent _GL_UNUSED)
+ {
+   abort ();
+   return 0.0;
+ }
 #endif
 
 /* Return X * BASE**EXPONENT.  Return an extreme value and set errno