From 7580038e24b546a5288ab16f8507f73f1c6fd738 Mon Sep 17 00:00:00 2001
From: Luboš Luňák <l.lunak@suse.cz>
Date: Sat, 1 Dec 2012 13:22:21 +0100
Subject: vsnprintf() is not portable

http://perfec.to/vsnprintf/
At least MSVC2010 implementation returns -1 when the result doesn't fit,
so the excepted size is not computed correctly. Let's hope 16k is
big enough for everybody(TM).

Change-Id: I636487c7723651bfa74513018be786a45b6c796d
---
 liblangtag/UnpackedTarball_langtag.mk       |  1 +
 liblangtag/liblangtag-0.4.0-vsnprintf.patch | 30 +++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 liblangtag/liblangtag-0.4.0-vsnprintf.patch

(limited to 'liblangtag')

diff --git a/liblangtag/UnpackedTarball_langtag.mk b/liblangtag/UnpackedTarball_langtag.mk
index 94d04382764c..663d7245f8d3 100644
--- a/liblangtag/UnpackedTarball_langtag.mk
+++ b/liblangtag/UnpackedTarball_langtag.mk
@@ -32,6 +32,7 @@ $(eval $(call gb_UnpackedTarball_add_patches,langtag,\
 	liblangtag/liblangtag-0.4.0-windows2.patch \
 	liblangtag/liblangtag-0.4.0-msvcprojects.patch \
 	liblangtag/liblangtag-0.4.0-ppc.patch \
+	liblangtag/liblangtag-0.4.0-vsnprintf.patch \
 ))
 endif
 
diff --git a/liblangtag/liblangtag-0.4.0-vsnprintf.patch b/liblangtag/liblangtag-0.4.0-vsnprintf.patch
new file mode 100644
index 000000000000..09e1987677ec
--- /dev/null
+++ b/liblangtag/liblangtag-0.4.0-vsnprintf.patch
@@ -0,0 +1,30 @@
+--- misc/liblangtag-0.4.0/liblangtag/lt-utils.c	2012-12-01 10:46:26.000000000 +0100
++++ misc/build/liblangtag-0.4.0/liblangtag/lt-utils.c	2012-12-01 13:17:41.421568551 +0100
+@@ -18,6 +18,7 @@
+ #include <stdio.h>
+ #include <string.h>
+ #include <memory.h>
++#include <stdlib.h>
+ #include "lt-messages.h"
+ #include "lt-utils.h"
+ 
+@@ -121,7 +121,7 @@ char *
+ lt_strdup_vprintf(const char *format,
+ 		  va_list     args)
+ {
+-	char *retval, c;
++	char *retval, tmpbuf[ 16384 ];
+ 	va_list ap;
+ 	int size;
+ 
+@@ -133,7 +133,9 @@ lt_strdup_vprintf(const char *format,
+ 	va_copy(ap, args);
+ #endif
+ 
+-	size = vsnprintf(&c, 1, format, ap) + 1;
++	size = vsnprintf(tmpbuf, sizeof(tmpbuf), format, ap) + 1;
++	if( size == 0 ) // -1 + 1
++		abort();
+ 
+ 	va_end(ap);
+ 
-- 
cgit