--- dlls/ntdll/env.c | 42 ++++++++++++++++++++++++++++++++++++++++++ dlls/ntdll/ntdll.spec | 1 + dlls/ntdll/tests/env.c | 38 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 81 insertions(+)
diff --git a/dlls/ntdll/env.c b/dlls/ntdll/env.c index 6670786def..db8abd04aa 100644 --- a/dlls/ntdll/env.c +++ b/dlls/ntdll/env.c @@ -976,6 +976,48 @@ NTSTATUS WINAPI RtlQueryEnvironmentVariable_U(PWSTR env, return nts; }
+ +/****************************************************************** + * RtlQueryEnvironmentVariable [NTDLL.@] + * + */ +NTSTATUS WINAPI RtlQueryEnvironmentVariable(PWSTR env, + PWSTR name, + size_t name_length, + PWSTR value, + size_t value_length, + PSIZE_T return_length) +{ + UNICODE_STRING name_u; + UNICODE_STRING value_u; + + name_u.Length = name_length * sizeof(WCHAR); + name_u.MaximumLength = name_u.Length; + name_u.Buffer = name; + + value_u.Length = 0; + value_u.MaximumLength = value_length * sizeof(WCHAR); + value_u.Buffer = value; + + NTSTATUS nts = RtlQueryEnvironmentVariable_U(env, &name_u, &value_u); + switch (nts) + { + case STATUS_SUCCESS: + *return_length = value_u.Length / sizeof(WCHAR); + break; + + case STATUS_BUFFER_TOO_SMALL: + *return_length = (value_u.Length / sizeof(WCHAR)) + 1; + break; + + case STATUS_VARIABLE_NOT_FOUND: + default: + *return_length = 0; + break; + } + return nts; +} + /****************************************************************** * RtlSetCurrentEnvironment [NTDLL.@] * diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec index 4f5fa8c21d..cbc43259bd 100644 --- a/dlls/ntdll/ntdll.spec +++ b/dlls/ntdll/ntdll.spec @@ -860,6 +860,7 @@ @ stdcall RtlQueryDepthSList(ptr) @ stdcall RtlQueryDynamicTimeZoneInformation(ptr) @ stdcall RtlQueryEnvironmentVariable_U(ptr ptr ptr) +@ stdcall RtlQueryEnvironmentVariable(ptr ptr long ptr long ptr) @ stdcall RtlQueryHeapInformation(long long ptr long ptr) @ stdcall RtlQueryInformationAcl(ptr ptr long long) @ stdcall RtlQueryInformationActivationContext(long long ptr long ptr long ptr) diff --git a/dlls/ntdll/tests/env.c b/dlls/ntdll/tests/env.c index 48c9ed809e..c1f602d423 100644 --- a/dlls/ntdll/tests/env.c +++ b/dlls/ntdll/tests/env.c @@ -27,6 +27,7 @@ static NTSTATUS (WINAPI *pRtlMultiByteToUnicodeN)( LPWSTR dst, DWORD dstlen, LPD static NTSTATUS (WINAPI *pRtlCreateEnvironment)(BOOLEAN, PWSTR*); static NTSTATUS (WINAPI *pRtlDestroyEnvironment)(PWSTR); static NTSTATUS (WINAPI *pRtlQueryEnvironmentVariable_U)(PWSTR, PUNICODE_STRING, PUNICODE_STRING); +static NTSTATUS (WINAPI* pRtlQueryEnvironmentVariable)(PWSTR, PWSTR, size_t, PWSTR, size_t, PSIZE_T); static void (WINAPI *pRtlSetCurrentEnvironment)(PWSTR, PWSTR*); static NTSTATUS (WINAPI *pRtlSetEnvironmentVariable)(PWSTR*, PUNICODE_STRING, PUNICODE_STRING); static NTSTATUS (WINAPI *pRtlExpandEnvironmentStrings_U)(LPWSTR, PUNICODE_STRING, PUNICODE_STRING, PULONG); @@ -95,6 +96,9 @@ static void testQuery(void) UNICODE_STRING name; UNICODE_STRING value; NTSTATUS nts; + size_t name_length; + size_t value_length; + size_t return_length; unsigned int i;
for (i = 0; tests[i].var; i++) @@ -130,6 +134,39 @@ static void testQuery(void) break; } } + + //test RtlQueryEnvironmentVariable + for (i = 0; tests[i].var; i++) + { + const struct test* test = &tests[i]; + name_length = strlen(test->var); + value_length = test->len; + value.Buffer = bv; + bv[test->len] = '@'; + + pRtlMultiByteToUnicodeN(bn, sizeof(bn), NULL, test->var, strlen(test->var) + 1); + nts = pRtlQueryEnvironmentVariable(small_env, bn, name_length, bv, value_length, &return_length); + ok(nts == test->status || (test->alt && nts == test->alt), + "[%d]: Wrong status for '%s', expecting %x got %x\n", + i, test->var, test->status, nts); + if (nts == test->status) switch (nts) + { + case STATUS_SUCCESS: + pRtlMultiByteToUnicodeN(bn, sizeof(bn), NULL, test->val, strlen(test->val) + 1); + ok(return_length == strlen(test->val) , "Wrong length %d for %s\n", + return_length, test->var); + ok((return_length == strlen(test->val) && memcmp(bv, bn, return_length) == 0) || + lstrcmpW(bv, bn) == 0, + "Wrong result for %s/%d\n", test->var, test->len); + ok(bv[test->len] == '@', "Writing too far away in the buffer for %s/%d\n", test->var, test->len); + break; + case STATUS_BUFFER_TOO_SMALL: + ok(return_length == (strlen(test->val) + 1), + "Wrong returned length %d (too small buffer) for %s\n", return_length, test->var); + break; + } + } + }
static void testSetHelper(LPWSTR* env, const char* var, const char* val, NTSTATUS ret, NTSTATUS alt) @@ -525,6 +562,7 @@ START_TEST(env) pRtlCreateEnvironment = (void*)GetProcAddress(mod, "RtlCreateEnvironment"); pRtlDestroyEnvironment = (void*)GetProcAddress(mod, "RtlDestroyEnvironment"); pRtlQueryEnvironmentVariable_U = (void*)GetProcAddress(mod, "RtlQueryEnvironmentVariable_U"); + pRtlQueryEnvironmentVariable = (void*)GetProcAddress(mod, "RtlQueryEnvironmentVariable"); pRtlSetCurrentEnvironment = (void*)GetProcAddress(mod, "RtlSetCurrentEnvironment"); pRtlSetEnvironmentVariable = (void*)GetProcAddress(mod, "RtlSetEnvironmentVariable"); pRtlExpandEnvironmentStrings_U = (void*)GetProcAddress(mod, "RtlExpandEnvironmentStrings_U");