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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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 2
* of the License, or (at your option) any later version.
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "common/util.h"
#include "sci/tools.h"
#include "sci/sci_memory.h"
namespace Sci {
/********** the memory allocation macros **********/
#ifdef UNCHECKED_MALLOCS
#define ALLOC_MEM(alloc_statement, size, filename, linenum, funcname)\
do {\
alloc_statement;\
} while (0);
#else /* !UNCHECKED_MALLOCS */
#define ALLOC_MEM(alloc_statement, size, filename, linenum, funcname)\
do {\
if (size == 0) {\
warning("Allocating zero bytes of memory [%s (%s) : %u]", filename, funcname, linenum);\
} else if (!(size > 0)) {\
error("Cannot allocate negative bytes of memory [%s (%s) : %u]", filename, funcname, linenum);\
}\
\
alloc_statement; /* attempt to allocate the memory */\
\
if (res == NULL) {\
/* exit immediately */\
error("Memory allocation of %lu bytes failed [%s (%s) : %u]", size, filename, funcname, linenum);\
}\
} while (0);
#endif /* !UNCHECKED_MALLOCS */
void * sci_malloc(size_t size) {
void *res;
ALLOC_MEM((res = malloc(size)), size, __FILE__, __LINE__, "")
return res;
}
void * sci_calloc(size_t num, size_t size) {
void *res;
ALLOC_MEM((res = calloc(num, size)), num * size, __FILE__, __LINE__, "")
return res;
}
void *sci_realloc(void *ptr, size_t size) {
void *res;
ALLOC_MEM((res = realloc(ptr, size)), size, __FILE__, __LINE__, "")
return res;
}
char *sci_strdup(const char *src) {
void *res;
if (!src) {
fprintf(stderr, "_SCI_STRDUP() [%s (%s) : %u]\n",
__FILE__, "", __LINE__);
fprintf(stderr, " attempt to strdup NULL pointer\n");
BREAKPOINT();
}
ALLOC_MEM((res = strdup(src)), strlen(src), __FILE__, __LINE__, "")
return (char*)res;
}
char *sci_strndup(const char *src, size_t length) {
void *res;
char *strres;
size_t rlen = (int)MIN(strlen(src), length) + 1;
if (!src) {
fprintf(stderr, "_SCI_STRNDUP() [%s (%s) : %u]\n",
__FILE__, "", __LINE__);
fprintf(stderr, " attempt to strndup NULL pointer\n");
BREAKPOINT();
}
ALLOC_MEM((res = malloc(rlen)), rlen, __FILE__, __LINE__, "")
strres = (char *)res;
strncpy(strres, src, rlen);
strres[rlen - 1] = 0;
return strres;
}
} // End of namespace Sci
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