Merge branch 'Ionic-feature/backport-asprintf' into 3.6.x

nx-X11/programs/Xserver/include/Imakefile

@@ -14,6 +14,7 @@ all::
 depend::
 
 InstallDriverSDKNonExecFile(XIstubs.h,$(DRIVERSDKINCLUDEDIR))
+InstallDriverSDKNonExecFile(Xprintf.h,$(DRIVERSDKINCLUDEDIR))
 InstallDriverSDKNonExecFile(bstore.h,$(DRIVERSDKINCLUDEDIR))
 InstallDriverSDKNonExecFile(bstorestr.h,$(DRIVERSDKINCLUDEDIR))
 InstallDriverSDKNonExecFile(client.h,$(DRIVERSDKINCLUDEDIR))

nx-X11/programs/Xserver/include/Xprintf.h

+/*
+ * 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 <nx-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
+
+/*
+ * These functions provide a portable implementation of the linux kernel
+ * scnprintf & vscnprintf routines that return the number of bytes actually
+ * copied during a snprintf, (excluding the final '\0').
+ */
+extern _X_EXPORT int
+Xscnprintf(char *s, int n, const char * _X_RESTRICT_KYWD fmt, ...)
+_X_ATTRIBUTE_PRINTF(3,4);
+extern _X_EXPORT int
+Xvscnprintf(char *s, int n, const char * _X_RESTRICT_KYWD fmt, va_list va)
+_X_ATTRIBUTE_PRINTF(3,0);
+
+#endif                          /* XPRINTF_H */

nx-X11/programs/Xserver/include/os.h

@@ -230,10 +230,15 @@ extern void OsInitAllocator(void);
 
 extern char *Xstrdup(const char *s);
 extern char *XNFstrdup(const char *s);
-extern char *Xprintf(const char *fmt, ...);
-extern char *Xvprintf(const char *fmt, va_list va);
-extern char *XNFprintf(const char *fmt, ...);
-extern 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 SIGVAL (*OsSigHandlerPtr)(int /* sig */);