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+/*
+ Copyright (c) 2012-2014, Matthias Schiffer <mschiffer@universe-factory.net>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/**
+ \file
+
+ \em memory allocation functions
+ */
+
+
+#pragma once
+
+#include "log.h"
+
+
+/**
+ Allocates a block of uninitialized memory on the heap
+
+ Terminates the process on failure.
+*/
+static inline void * fastd_alloc(size_t size) {
+ void *ret = malloc(size);
+ if (!ret)
+ exit_errno("malloc");
+
+ return ret;
+}
+
+/**
+ Allocates a block of memory set to zero for an array on the heap
+
+ Terminates the process on failure.
+*/
+static inline void * fastd_alloc0_array(size_t members, size_t size) {
+ void *ret = calloc(members, size);
+ if (!ret)
+ exit_errno("calloc");
+
+ return ret;
+}
+
+/**
+ Allocates a block of memory set to zero on the heap
+
+ Terminates the process on failure.
+*/
+static inline void * fastd_alloc0(size_t size) {
+ return fastd_alloc0_array(1, size);
+}
+
+/**
+ Reallocates a block of memory on the heap
+
+ Terminates the process on failure.
+*/
+static inline void * fastd_realloc(void *ptr, size_t size) {
+ void *ret = realloc(ptr, size);
+ if (!ret)
+ exit_errno("realloc");
+
+ return ret;
+}
+
+
+/** Allocates a block of uninitialized memory in the size of a given type */
+#define fastd_new(type) ((type *)fastd_alloc(sizeof(type)))
+
+/** Allocates a block of memory set to zero in the size of a given type */
+#define fastd_new0(type) ((type *)fastd_alloc0(sizeof(type)))
+
+/** Allocates a block of undefined memory for an array of elements of a given type */
+#define fastd_new_array(members, type) ((type *)fastd_alloc(members * sizeof(type)))
+
+/** Allocates a block of memory set to zero for an array of elements of a given type */
+#define fastd_new0_array(members, type) ((type *)fastd_alloc0_array(members, sizeof(type)))
+
+
+/** Duplicates a string (string may be NULL) */
+static inline char * fastd_strdup(const char *s) {
+ if (!s)
+ return NULL;
+
+ char *ret = strdup(s);
+ if (!ret)
+ exit_errno("strdup");
+
+ return ret;
+}
+
+/** Duplicates a string up to a maximum length (string may be NULL) */
+static inline char * fastd_strndup(const char *s, size_t n) {
+ if (!s)
+ return NULL;
+
+ char *ret = strndup(s, n);
+ if (!ret)
+ exit_errno("strndup");
+
+ return ret;
+}