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Fix size_t to int truncation in fluid_wasapi_finddev_callback()

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This commit is contained in:
derselbst 2022-05-21 21:35:16 +02:00
parent f013e82d58
commit d554067fc5
1 changed files with 10 additions and 3 deletions
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13
src/drivers/fluid_wasapi.c
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@ -803,6 +803,7 @@ static void fluid_wasapi_finddev_callback(IMMDevice *dev, void *data)
{
fluid_wasapi_finddev_data_t *d = (fluid_wasapi_finddev_data_t *)data;
int nsz;
size_t id_len;
char *name = NULL;
wchar_t *id = NULL;
IPropertyStore *prop = NULL;
@ -841,9 +842,15 @@ static void fluid_wasapi_finddev_callback(IMMDevice *dev, void *data)
goto cleanup;
}
nsz = wcslen(id);
d->id = FLUID_ARRAY(wchar_t, nsz + 1);
FLUID_MEMCPY(d->id, id, sizeof(wchar_t) * (nsz + 1));
id_len = wcslen(id);
if(id_len >= UINT_MAX / sizeof(wchar_t))
{
FLUID_LOG(FLUID_ERR, "wasapi: the returned device identifier was way too long");
goto cleanup;
}
id_len++;
d->id = FLUID_ARRAY(wchar_t, id_len);
FLUID_MEMCPY(d->id, id, sizeof(wchar_t) * id_len);
}
cleanup: