New upstream version 4.15.1

2024-06-13 03:08:44 +02:00
parent 3987cc7880
commit f7f4fd7c05
759 changed files with 53132 additions and 39788 deletions
@@ -0,0 +1,116 @@
+/*
+ * SPDX-FileCopyrightText:  2023, Alejandro Colomar <alx@kernel.org>
+ *
+ * SPDX-License-Identifier:  BSD-3-Clause
+ */
+
+
+#ifndef SHADOW_INCLUDE_LIB_MALLOC_H_
+#define SHADOW_INCLUDE_LIB_MALLOC_H_
+
+
+#include <config.h>
+
+#include <assert.h>
+#include <errno.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "attr.h"
+#include "defines.h"
+
+
+#define CALLOC(n, type)   ((type *) calloc(n, sizeof(type)))
+#define XCALLOC(n, type)  ((type *) xcalloc(n, sizeof(type)))
+#define MALLOC(n, type)   ((type *) mallocarray(n, sizeof(type)))
+#define XMALLOC(n, type)  ((type *) xmallocarray(n, sizeof(type)))
+
+#define REALLOC(ptr, n, type)                                                 \
+({                                                                            \
+	__auto_type  p_ = (ptr);                                              \
+                                                                              \
+	static_assert(__builtin_types_compatible_p(typeof(p_), type *), "");  \
+                                                                              \
+	(type *) reallocarray(p_, n, sizeof(type));                           \
+})
+
+#define REALLOCF(ptr, n, type)                                                \
+({                                                                            \
+	__auto_type  p_ = (ptr);                                              \
+                                                                              \
+	static_assert(__builtin_types_compatible_p(typeof(p_), type *), "");  \
+                                                                              \
+	(type *) reallocarrayf(p_, n, sizeof(type));                          \
+})
+
+#define XREALLOC(ptr, n, type)                                                \
+({                                                                            \
+	__auto_type  p_ = (ptr);                                              \
+                                                                              \
+	static_assert(__builtin_types_compatible_p(typeof(p_), type *), "");  \
+                                                                              \
+	(type *) xreallocarray(p_, n, sizeof(type));                          \
+})
+
+
+ATTR_MALLOC(free)
+inline void *xmalloc(size_t size);
+ATTR_MALLOC(free)
+inline void *xmallocarray(size_t nmemb, size_t size);
+ATTR_MALLOC(free)
+inline void *mallocarray(size_t nmemb, size_t size);
+ATTR_MALLOC(free)
+inline void *reallocarrayf(void *p, size_t nmemb, size_t size);
+ATTR_MALLOC(free)
+inline char *xstrdup(const char *str);
+
+ATTR_MALLOC(free)
+void *xcalloc(size_t nmemb, size_t size);
+ATTR_MALLOC(free)
+void *xreallocarray(void *p, size_t nmemb, size_t size);
+
+
+inline void *
+xmalloc(size_t size)
+{
+	return xmallocarray(1, size);
+}
+
+
+inline void *
+xmallocarray(size_t nmemb, size_t size)
+{
+	return xreallocarray(NULL, nmemb, size);
+}
+
+
+inline void *
+mallocarray(size_t nmemb, size_t size)
+{
+	return reallocarray(NULL, nmemb, size);
+}
+
+
+inline void *
+reallocarrayf(void *p, size_t nmemb, size_t size)
+{
+	void  *q;
+
+	q = reallocarray(p, nmemb, size);
+
+	/* realloc(p, 0) is equivalent to free(p);  avoid double free.  */
+	if (q == NULL && nmemb != 0 && size != 0)
+		free(p);
+	return q;
+}
+
+
+inline char *
+xstrdup(const char *str)
+{
+	return strcpy(XMALLOC(strlen(str) + 1, char), str);
+}
+
+
+#endif  // include guard