4 files changed, 82 insertions, 4 deletions
diff --git a/xorg-server/include/Makefile.am b/xorg-server/include/Makefile.am
index 78a25ccd9..2b5ee4ddb 100644
--- a/xorg-server/include/Makefile.am
+++ b/xorg-server/include/Makefile.am
@@ -1,6 +1,7 @@
 if XORG
 sdk_HEADERS =		\
 	XIstubs.h	\
+	Xprintf.h	\
 	callback.h	\
 	closestr.h	\
 	closure.h	\
diff --git a/xorg-server/include/Xprintf.h b/xorg-server/include/Xprintf.h
new file mode 100644
index 000000000..1d2882993
--- /dev/null
+++ b/xorg-server/include/Xprintf.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef XPRINTF_H
+#define XPRINTF_H
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <X11/Xfuncproto.h>
+
+#ifndef _X_RESTRICT_KYWD
+# if defined(restrict) /* assume autoconf set it correctly */ || \
+   (defined(__STDC__) && (__STDC_VERSION__ - 0 >= 199901L)) /* C99 */
+#  define _X_RESTRICT_KYWD  restrict
+# elif defined(__GNUC__) && !defined(__STRICT_ANSI__) /* gcc w/C89+extensions */
+#  define _X_RESTRICT_KYWD __restrict__
+# else
+#  define _X_RESTRICT_KYWD
+# endif
+#endif
+
+/*
+ * These functions provide a portable implementation of the common (but not
+ * yet universal) asprintf & vasprintf routines to allocate a buffer big
+ * enough to sprintf the arguments to.  The XNF variants terminate the server
+ * if the allocation fails.
+ * The buffer allocated is returned in the pointer provided in the first
+ * argument.   The return value is the size of the allocated buffer, or -1
+ * on failure.
+ */
+extern _X_EXPORT int Xasprintf (char **ret,
+				const char * _X_RESTRICT_KYWD fmt,
+				...) _X_ATTRIBUTE_PRINTF(2,3);
+extern _X_EXPORT int Xvasprintf (char **ret,
+				 const char * _X_RESTRICT_KYWD fmt,
+				 va_list va) _X_ATTRIBUTE_PRINTF(2,0);
+extern _X_EXPORT int XNFasprintf (char **ret,
+				  const char * _X_RESTRICT_KYWD fmt,
+				  ...) _X_ATTRIBUTE_PRINTF(2,3);
+extern _X_EXPORT int XNFvasprintf (char **ret,
+				   const char * _X_RESTRICT_KYWD fmt,
+				   va_list va) _X_ATTRIBUTE_PRINTF(2,0);
+
+#if !defined(HAVE_ASPRINTF) && !defined(HAVE_VASPRINTF)
+# define asprintf  Xasprintf
+# define vasprintf Xvasprintf
+#endif
+
+#endif /* XPRINTF_H */
diff --git a/xorg-server/include/dix-config.h.in b/xorg-server/include/dix-config.h.in
index 63a770f1e..64eb296c8 100644
--- a/xorg-server/include/dix-config.h.in
+++ b/xorg-server/include/dix-config.h.in
@@ -243,6 +243,9 @@
 /* Define to 1 if you have the `vprintf' function. */
 #undef HAVE_VPRINTF
 
+/* Define to 1 if you have the `vasprintf' function. */
+#undef HAVE_VASPRINTF
+
 /* Support IPv6 for TCP connections */
 #undef IPv6
 
diff --git a/xorg-server/include/os.h b/xorg-server/include/os.h
index 22b974e19..dd3b05739 100644
--- a/xorg-server/include/os.h
+++ b/xorg-server/include/os.h
@@ -51,6 +51,7 @@ SOFTWARE.
 
 #include "misc.h"
 #include <stdarg.h>
+#include <string.h>
 
 #define SCREEN_SAVER_ON   0
 #define SCREEN_SAVER_OFF  1
@@ -265,10 +266,14 @@ extern _X_EXPORT char *Xstrdup(const char *s);
  */
 extern _X_EXPORT char *XNFstrdup(const char *s);
 
-extern _X_EXPORT char *Xprintf(const char *fmt, ...) _X_ATTRIBUTE_PRINTF(1,2);
-extern _X_EXPORT char *Xvprintf(const char *fmt, va_list va);
-extern _X_EXPORT char *XNFprintf(const char *fmt, ...) _X_ATTRIBUTE_PRINTF(1,2);
-extern _X_EXPORT char *XNFvprintf(const char *fmt, va_list va);
+/* Include new X*asprintf API */
+#include "Xprintf.h"
+
+/* Older api deprecated in favor of the asprintf versions */
+extern _X_EXPORT char *Xprintf(const char *fmt, ...) _X_ATTRIBUTE_PRINTF(1,2) _X_DEPRECATED;
+extern _X_EXPORT char *Xvprintf(const char *fmt, va_list va)_X_ATTRIBUTE_PRINTF(1,0) _X_DEPRECATED;
+extern _X_EXPORT char *XNFprintf(const char *fmt, ...) _X_ATTRIBUTE_PRINTF(1,2) _X_DEPRECATED;
+extern _X_EXPORT char *XNFvprintf(const char *fmt, va_list va)_X_ATTRIBUTE_PRINTF(1,0) _X_DEPRECATED;
 
 typedef void (*OsSigHandlerPtr)(int /* sig */);
 typedef int (*OsSigWrapperPtr)(int /* sig */);