Fix off-by-one error.

This commit is contained in:
Martin v. Löwis 2012-06-21 17:36:15 +02:00
parent 7dae234e78
commit 91a3468f45

View file

@ -63,7 +63,7 @@ static wchar_t * get_env(wchar_t * key)
static wchar_t buf[256];
DWORD result = GetEnvironmentVariableW(key, buf, 256);
if (result > 256) {
if (result > 255) {
/* Large environment variable. Accept some leakage */
wchar_t *buf2 = (wchar_t*)malloc(sizeof(wchar_t) * (result+1));
GetEnvironmentVariableW(key, buf2, result);