Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/uwac/libuwac/uwac-utils.c

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+/*
+ * Copyright © 2012 Collabora, Ltd.
+ * Copyright © 2008 Kristian Høgsberg
+ * Copyright © 2014 David FORT <contact@hardening-consulting.com>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <uwac/config.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <winpr/wtypes.h>
+
+#include "uwac-utils.h"
+
+/*
+ * This part is an adaptation of client/window.c from the weston project.
+ */
+
+static void* fail_on_null(void* p)
+{
+	if (p == nullptr)
+	{
+		(void)fprintf(stderr, "out of memory\n");
+		// NOLINTNEXTLINE(concurrency-mt-unsafe)
+		exit(EXIT_FAILURE);
+	}
+
+	return p;
+}
+
+void* xmalloc(size_t s)
+{
+	return fail_on_null(malloc(s));
+}
+
+void* xzalloc(size_t s)
+{
+	return fail_on_null(zalloc(s));
+}
+
+char* xstrdup(const char* s)
+{
+	return fail_on_null(strdup(s));
+}
+
+void* xrealloc(void* p, size_t s)
+{
+	return fail_on_null(realloc(p, s));
+}