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new function "luaI_buffer".

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This commit is contained in:
Roberto Ierusalimschy 1996-03-14 12:55:49 -03:00
parent 675e608325
commit 7236df875a
2 changed files with 13 additions and 2 deletions
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12
luamem.c
View File

@ -3,7 +3,7 @@
** TecCGraf - PUC-Rio
*/
char *rcs_mem = "$Id: mem.c,v 1.7 1996/02/04 16:59:12 roberto Exp roberto $";
char *rcs_mem = "$Id: mem.c,v 1.8 1996/02/22 20:34:33 roberto Exp roberto $";
#include <stdlib.h>
#include <string.h>
@ -53,3 +53,13 @@ void *luaI_realloc (void *oldblock, unsigned long size)
return block;
}
void* luaI_buffer (unsigned long size)
{
static unsigned long buffsize = 0;
static char* buffer = NULL;
if (size > buffsize)
buffer = luaI_realloc(buffer, buffsize=size);
return buffer;
}

3
luamem.h
View File

@ -1,7 +1,7 @@
/*
** mem.c
** memory manager for lua
** $Id: mem.h,v 1.2 1995/01/13 22:11:12 roberto Exp roberto $
** $Id: mem.h,v 1.3 1996/02/22 20:34:33 roberto Exp roberto $
*/
#ifndef mem_h
@ -14,6 +14,7 @@
void luaI_free (void *block);
void *luaI_malloc (unsigned long size);
void *luaI_realloc (void *oldblock, unsigned long size);
void* luaI_buffer (unsigned long size);
#define new(s) ((s *)luaI_malloc(sizeof(s)))
#define newvector(n,s) ((s *)luaI_malloc((n)*sizeof(s)))