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From 675a9bdcd5bf5bd663ee58cf5e4be4acf12d34ce Mon Sep 17 00:00:00 2001
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From: Stefan Weil <sw@weilnetz.de>
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Date: Wed, 22 Aug 2012 21:42:32 +0200
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Subject: [PATCH] w32: Always use standard instead of native format strings
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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GLib 2.0 include files use __printf__ for the format attribute
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which resolves to native format strings on w32 hosts.
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QEMU wants standard format strings instead of native format
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strings, so we simply change any declaration with __printf__
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to use __gnu_printf__.
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This works because all basic printf functions support both
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kinds of format strings.
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This fixes a compiler warning:
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qapi/string-output-visitor.c: In function ‘print_type_int’:
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qapi/string-output-visitor.c:34:5: warning: unknown conversion type character ‘l’ in format [-Wformat]
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qapi/string-output-visitor.c:34:5: warning: too many arguments for format [-Wformat-extra-args]
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Signed-off-by: Stefan Weil <sw@weilnetz.de>
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Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
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(cherry picked from commit 95df51a4a02a853af8828c281bce2d4f2a41d6fd)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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compiler.h | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/compiler.h b/compiler.h
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index 07ba1f8..c734a71 100644
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--- a/compiler.h
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+++ b/compiler.h
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@@ -44,6 +44,11 @@
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/* Use gnu_printf when supported (qemu uses standard format strings). */
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# define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2)))
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# define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m)))
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+# if defined(_WIN32)
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+ /* Map __printf__ to __gnu_printf__ because we want standard format strings
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+ * even when MinGW or GLib include files use __printf__. */
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+# define __printf__ __gnu_printf__
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+# endif
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# endif
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#if defined(_WIN32)
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#define GCC_WEAK __attribute__((weak))
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--
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1.7.12.1
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