75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/*
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* Copyright 2011-2014 hasufell
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*
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* This file is part of a hasufell project.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation version 2 of the License only.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file common.h
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* Header for common types, macros and constants
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* shared amongst the codebase. Error macros go in err.h.
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* @brief common types, macros, constants
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*/
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#ifndef _DROW_ENGINE_TYPES_H
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#define _DROW_ENGINE_TYPES_H
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#include <stdio.h>
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#include <stdint.h>
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/**
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* Standard file buffer
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*/
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#define STD_FILE_BUF 4096
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/**
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* Realloc macro which checks if reallocation
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* worked via a temporary pointer.
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*/
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#define REALLOC(ptr, size) \
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{ \
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void *tmp_ptr = NULL; \
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tmp_ptr = realloc(ptr, size); \
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if (tmp_ptr == NULL) { \
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fprintf(stderr,"NULL Pointer in %s [%d]",__FILE__,__LINE__); \
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abort(); \
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} \
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ptr = tmp_ptr; \
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}
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/**
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* Realloc macro which checks if reallocation
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* worked via a temporary pointer. Only performs
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* reallocation if it is actually necessary.
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*/
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#define MAYBE_REALLOC(ptr, elem_size, condition, alloc_c, alloc_chunk) \
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{ \
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if (condition) { \
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alloc_c += alloc_chunk; \
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void *tmp_ptr = NULL; \
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tmp_ptr = realloc(ptr, elem_size * alloc_c); \
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if (tmp_ptr == NULL) { \
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fprintf(stderr,"NULL Pointer in %s [%d]",__FILE__,__LINE__); \
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abort(); \
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} \
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ptr = tmp_ptr; \
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} \
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}
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#endif /* _DROW_ENGINE_TYPES_H */
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