Imported Upstream version 0.13.2+dsfg1

libobs/util/bmem.h

@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2013 Hugh Bailey <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, 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.
+ */
+
+#pragma once
+
+#include "c99defs.h"
+#include "base.h"
+#include <wchar.h>
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct base_allocator {
+	void *(*malloc)(size_t);
+	void *(*realloc)(void *, size_t);
+	void (*free)(void *);
+};
+
+EXPORT void base_set_allocator(struct base_allocator *defs);
+
+EXPORT void *bmalloc(size_t size);
+EXPORT void *brealloc(void *ptr, size_t size);
+EXPORT void bfree(void *ptr);
+
+EXPORT int base_get_alignment(void);
+
+EXPORT long bnum_allocs(void);
+
+EXPORT void *bmemdup(const void *ptr, size_t size);
+
+static inline void *bzalloc(size_t size)
+{
+	void *mem = bmalloc(size);
+	if (mem)
+		memset(mem, 0, size);
+	return mem;
+}
+
+static inline char *bstrdup_n(const char *str, size_t n)
+{
+	char *dup;
+	if (!str)
+		return NULL;
+
+	dup = (char*)bmemdup(str, n+1);
+	dup[n] = 0;
+
+	return dup;
+}
+
+static inline wchar_t *bwstrdup_n(const wchar_t *str, size_t n)
+{
+	wchar_t *dup;
+	if (!str)
+		return NULL;
+
+	dup = (wchar_t*)bmemdup(str, (n+1) * sizeof(wchar_t));
+	dup[n] = 0;
+
+	return dup;
+}
+
+static inline char *bstrdup(const char *str)
+{
+	if (!str)
+		return NULL;
+
+	return bstrdup_n(str, strlen(str));
+}
+
+static inline wchar_t *bwstrdup(const wchar_t *str)
+{
+	if (!str)
+		return NULL;
+
+	return bwstrdup_n(str, wcslen(str));
+}
+
+#ifdef __cplusplus
+}
+#endif