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Fix for am41317, forward re-entrancy problem

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This commit is contained in:
David Anderson 2006-07-18 04:39:54 +00:00
parent b44951295d
commit fab4a43915
1 changed files with 29 additions and 3 deletions
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32
amxmodx/amxmodx.cpp
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@ -3741,13 +3741,20 @@ static cell AMX_NATIVE_CALL ExecuteForward(AMX *amx, cell *params)
{
int id = static_cast<int>(params[1]);
int str_id = 0;
int len;
int len, err;
cell *addr = get_amxaddr(amx, params[2]);
if (!g_forwards.isIdValid(id))
return 0;
struct allot_info
{
cell amx_addr;
cell *phys_addr;
};
cell ps[FORWARD_MAX_PARAMS];
allot_info allots[FORWARD_MAX_PARAMS];
cell count = params[0] / sizeof(cell);
if (count - 2 != g_forwards.getParamsNum(id))
{
@ -3757,13 +3764,32 @@ static cell AMX_NATIVE_CALL ExecuteForward(AMX *amx, cell *params)
for (cell i=3; i<=count; i++)
{
if (g_forwards.getParamType(id, i-3) == FP_STRING)
ps[i-3] = reinterpret_cast<cell>(get_amxstring(amx, params[i], str_id++, len));
else
{
char *tmp = get_amxstring(amx, params[i], 0, len);
cell num = len / sizeof(cell) + 1;
num += 4 - (num % 4);
if ((err=amx_Allot(amx, num, &allots[i-3].amx_addr, &allots[i-3].phys_addr)) != AMX_ERR_NONE)
{
LogError(amx, err, NULL);
return 0;
}
strcpy((char *)allots[i-3].phys_addr, tmp);
ps[i-3] = (cell)allots[i-3].phys_addr;
} else {
ps[i-3] = *get_amxaddr(amx, params[i]);
}
}
*addr = g_forwards.executeForwards(id, ps);
for (cell i=3; i<=count; i++)
{
if (g_forwards.getParamType(id, i-3) == FP_STRING)
{
amx_Release(amx, allots[i-3].amx_addr);
}
}
return 1;
}