FreeRDP/libfreerdp-utils/memory.c

119 lines
1.7 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* Memory Utils
*
* Copyright 2009-2011 Jay Sorg
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <freerdp/utils/memory.h>
/**
* Allocate memory.
* @param size
*/
void* xmalloc(size_t size)
{
void* mem;
if (size < 1)
size = 1;
mem = malloc(size);
if (mem == NULL)
perror("xmalloc");
return mem;
}
/**
* Allocate memory initialized to zero.
* @param size
*/
void* xzalloc(size_t size)
{
void* mem;
if (size < 1)
size = 1;
mem = calloc(1, size);
if (mem == NULL)
perror("xzalloc");
return mem;
}
/**
* Reallocate memory.
* @param ptr
* @param size
*/
void* xrealloc(void* ptr, size_t size)
{
void* mem;
if (size < 1)
size = 1;
mem = realloc(ptr, size);
if (mem == NULL)
perror("xrealloc");
return mem;
}
/**
* Free memory.
* @param mem
*/
void xfree(void* ptr)
{
if (ptr != NULL)
free(ptr);
}
/**
* Duplicate a string in memory.
* @param str
* @return
*/
char* xstrdup(const char* str)
{
char* mem;
#ifdef _WIN32
mem = _strdup(str);
#else
mem = strdup(str);
#endif
if (mem == NULL)
perror("strdup");
return mem;
}