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malloc -> alloca

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Veit Heller
2014-11-01 14:35:23 +01:00
parent f4c005a2fc
commit c332a38b36
2 changed files with 2 additions and 4 deletions
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5
vvm/src/vm.c
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@@ -28,7 +28,7 @@ static inline void disassemble(int sp, int fp, int ip, int opcode, instruction*
} }
void vm_execute(int code[], int ip, int datasize, unsigned long length){ void vm_execute(int code[], int ip, int datasize, unsigned long length){
int* data = (int *) malloc((unsigned long)datasize * sizeof(int)); int* data = (int *) alloca((size_t)datasize * sizeof(int));
int stack[MAX_SIZE]; int stack[MAX_SIZE];
int sp = -1; int sp = -1;
int fp = -1; int fp = -1;
@@ -159,9 +159,6 @@ void vm_execute(int code[], int ip, int datasize, unsigned long length){
die(127, "Exit on program failure."); die(127, "Exit on program failure.");
} }
} }
free(data);
return; return;
} }

1
vvm/src/vm.h
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@@ -4,6 +4,7 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <assert.h> #include <assert.h>
#include <alloca.h>
#include "util.h" #include "util.h"
#include "opcode.h" #include "opcode.h"