Add nonnull attribute to unsetenv declaration.

diff --git a/ChangeLog b/ChangeLog
index 9080030..0fcaaa2 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-01-13  Ulrich Drepper  <drepper@redhat.com>
+
+       * stdlib/stdlib.h: Parameter of unsetenv must not be NULL.
+
 2010-01-12  H.J. Lu  <hongjiu.lu@intel.com>
 
        * sysdeps/x86_64/multiarch/strlen.S: Unroll the loop.

diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index bac8ed6..248aa33 100644 (file)
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -586,7 +586,7 @@ extern int setenv (__const char *__name, __const char *__value, int __replace)
      __THROW __nonnull ((2));
 
 /* Remove the variable NAME from the environment.  */
-extern int unsetenv (__const char *__name) __THROW;
+extern int unsetenv (__const char *__name) __THROW __nonnull ((1));
 #endif
 
 #ifdef __USE_MISC