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From 44fc4a3f10e315aecc593f0642e1fbccbb466bc9 Mon Sep 17 00:00:00 2001
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From: Colin Watson <cjwatson@ubuntu.com>
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Date: Fri, 28 Dec 2012 06:43:35 +0000
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Subject: [PATCH 070/482] Backport gnulib fixes for C11. Fixes Savannah bug
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#37738.
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* grub-core/gnulib/stdio.in.h (gets): Warn on use only if
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HAVE_RAW_DECL_GETS.
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* m4/stdio_h.m4 (gl_STDIO_H): Check for gets.
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---
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ChangeLog | 8 ++++++++
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grub-core/gnulib/stdio.in.h | 6 ++++--
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m4/stdio_h.m4 | 2 +-
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3 files changed, 13 insertions(+), 3 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 9104a46..0f04f5c 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,11 @@
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+2012-12-28 Colin Watson <cjwatson@ubuntu.com>
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+
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+ Backport gnulib fixes for C11. Fixes Savannah bug #37738.
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+
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+ * grub-core/gnulib/stdio.in.h (gets): Warn on use only if
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+ HAVE_RAW_DECL_GETS.
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+ * m4/stdio_h.m4 (gl_STDIO_H): Check for gets.
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+
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2012-12-11 Vladimir Serbinenko <phcoder@gmail.com>
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* util/grub.d/20_linux_xen.in: Addmissing assignment to machine.
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diff --git a/grub-core/gnulib/stdio.in.h b/grub-core/gnulib/stdio.in.h
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index 80b9dbf..a8b00c6 100644
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--- a/grub-core/gnulib/stdio.in.h
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+++ b/grub-core/gnulib/stdio.in.h
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@@ -138,10 +138,12 @@ _GL_WARN_ON_USE (fflush, "fflush is not always POSIX compliant - "
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#endif
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/* It is very rare that the developer ever has full control of stdin,
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- so any use of gets warrants an unconditional warning. Assume it is
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- always declared, since it is required by C89. */
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+ so any use of gets warrants an unconditional warning; besides, C11
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+ removed it. */
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#undef gets
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+#if HAVE_RAW_DECL_GETS
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_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
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+#endif
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#if @GNULIB_FOPEN@
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# if @REPLACE_FOPEN@
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diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4
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index f5650cd..8458bec 100644
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--- a/m4/stdio_h.m4
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+++ b/m4/stdio_h.m4
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@@ -37,7 +37,7 @@ AC_DEFUN([gl_STDIO_H],
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dnl corresponding gnulib module is not in use, and which is not
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dnl guaranteed by C89.
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gl_WARN_ON_USE_PREPARE([[#include <stdio.h>
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- ]], [dprintf fpurge fseeko ftello getdelim getline popen renameat
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+ ]], [dprintf fpurge fseeko ftello getdelim getline gets popen renameat
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snprintf tmpfile vdprintf vsnprintf])
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])
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--
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1.8.2.1
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