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/**
* @file gensvm_memory.c
* @author G.J.J. van den Burg
* @date 2016-05-01
* @brief Utility functions for memory allocation
*
* @copyright
Copyright 2016, G.J.J. van den Burg.
This file is part of GenSVM.
GenSVM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GenSVM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GenSVM. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gensvm_globals.h" // imports gensvm_memory.h
/**
* @brief Wrapper for calloc() which warns when allocation fails
*
* @details
* This is a wrapper function around calloc from <stdlib.h>. It tries to
* allocate the requested memory and checks if the memory was correctly
* allocated. If not, an error is printed using err(), which describes the
* file and linenumber and size failed to allocate. After this, the program
* exits. See also the defines in gensvm_memory.h.
*
* @note
* This function should not be used directly. Calloc() should be used.
*
* @param[in] file filename used for error printing
* @param[in] line line number used for error printing
* @param[in] size the size to allocate
* @param[in] typesize the size of the type to allocate
* @return the pointer to the memory allocated
*/
void *mycalloc(const char *file, int line, unsigned long size,
size_t typesize)
{
void *ptr = calloc(size, typesize);
if (!ptr) {
// LCOV_EXCL_START
fprintf(stderr, "[GenSVM Error]: Couldn't allocate memory: "
"%lu bytes (%s:%d)\n", size, file, line);
exit(EXIT_FAILURE);
// LCOV_EXCL_STOP
}
return ptr;
}
/**
* @brief Wrapper for malloc() which warns when allocation fails
*
* @details
* This is a wrapper function around malloc from <stdlib.h>. It tries to
* allocate the requested memory and checks if the memory was correctly
* allocated. If not, an error is printed using err(), which describes the
* file and linenumber and size failed to allocate. After this, the program
* exits. See also the defines in gensvm_memory.h.
*
* @note
* This function should not be used directly. Malloc() should be used.
*
* @param[in] file filename used for error printing
* @param[in] line line number used for error printing
* @param[in] size the size to allocate
* @return the pointer to the memory allocated
*/
void *mymalloc(const char *file, int line, unsigned long size)
{
void *ptr = malloc(size);
if (!ptr) {
// LCOV_EXCL_START
fprintf(stderr, "[GenSVM Error]: Couldn't allocate memory: "
"%lu bytes (%s:%d)\n", size, file, line);
exit(EXIT_FAILURE);
// LCOV_EXCL_STOP
}
return ptr;
}
/**
* @brief Wrapper for realloc() which warns when allocation fails
*
* @details
* This is a wrapper function around realloc from <stdlib.h>. It tries to
* reallocate the requested memory and checks if the memory was correctly
* reallocated. If not, an error is printed using err(), which describes the
* file and linenumber and size failed to reallocate. After this, the program
* exits. See also the defines in gensvm_memory.h.
*
* @note
* This function should not be used directly. Realloc() should be used.
*
* @param[in] file filename used for error printing
* @param[in] line line number used for error printing
* @param[in] size the size to allocate
* @param[in] var the pointer to the memory to reallocate
* @return the pointer to the memory reallocated
*/
void *myrealloc(const char *file, int line, unsigned long size, void *var)
{
void *ptr = realloc(var, size);
if (!ptr) {
// LCOV_EXCL_START
fprintf(stderr, "[GenSVM Error]: Couldn't reallocate memory: "
"%lu bytes (%s:%d)\n", size, file, line);
exit(EXIT_FAILURE);
// LCOV_EXCL_STOP
}
return ptr;
}
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