Change use of GetEnvironmentVariableW (#7582)

2014-04-06 00:20:22 +02:00 · 2014-04-06 00:20:22 +02:00 · f7e144f853
commit f7e144f853
parent 0a5b2e9f6a
1 changed files with 2 additions and 1 deletions
--- a/gramps/gen/constfunc.py
+++ b/gramps/gen/constfunc.py
@ -184,7 +184,8 @@ def get_env_var(name, default=None):
        n = ctypes.windll.kernel32.GetEnvironmentVariableW(name, None, 0)
        if n==0:
            return default
-        buf = ctypes.create_unicode_buffer(u'\0'*n)
+        # n is number of codepoints
+        buf = ctypes.create_unicode_buffer(n+1)
        ctypes.windll.kernel32.GetEnvironmentVariableW(name, buf, n)
        return buf.value