Akihiro Sagawa : advapi32: Implement REG_MUI_STRING_TRUNCATE flag.
Alexandre Julliard
julliard at winehq.org
Fri May 24 15:46:36 CDT 2019
Module: wine
Branch: master
Commit: 3c1359af10448a4e1f9ac49aeb01ef3a4dda3ac8
URL: https://source.winehq.org/git/wine.git/?a=commit;h=3c1359af10448a4e1f9ac49aeb01ef3a4dda3ac8
Author: Akihiro Sagawa <sagawa.aki at gmail.com>
Date: Fri May 24 22:32:33 2019 +0900
advapi32: Implement REG_MUI_STRING_TRUNCATE flag.
Signed-off-by: Akihiro Sagawa <sagawa.aki at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/advapi32/registry.c | 21 ++++++++++++++++-----
dlls/advapi32/tests/registry.c | 12 ++++++------
2 files changed, 22 insertions(+), 11 deletions(-)
diff --git a/dlls/advapi32/registry.c b/dlls/advapi32/registry.c
index b779def..f889d3b 100644
--- a/dlls/advapi32/registry.c
+++ b/dlls/advapi32/registry.c
@@ -3138,7 +3138,7 @@ static INT load_string(HINSTANCE hModule, UINT resId, LPWSTR *pResString)
return *pString;
}
-static LONG load_mui_string(const WCHAR *file_name, UINT res_id, WCHAR *buffer, INT max_chars, INT *req_chars)
+static LONG load_mui_string(const WCHAR *file_name, UINT res_id, WCHAR *buffer, INT max_chars, INT *req_chars, DWORD flags)
{
HMODULE hModule = NULL;
WCHAR *string;
@@ -3169,7 +3169,16 @@ static LONG load_mui_string(const WCHAR *file_name, UINT res_id, WCHAR *buffer,
}
/* Else copy over the string, respecting the buffer size. */
- max_chars = (size < max_chars) ? size : (max_chars - 1);
+ if (size < max_chars)
+ max_chars = size;
+ else {
+ if (flags & REG_MUI_STRING_TRUNCATE)
+ max_chars--;
+ else {
+ result = ERROR_MORE_DATA;
+ goto cleanup;
+ }
+ }
if (max_chars >= 0) {
memcpy(buffer, string, max_chars * sizeof(WCHAR));
buffer[max_chars] = '\0';
@@ -3195,7 +3204,7 @@ cleanup:
* pszBuffer [O] Buffer to store the localized string in.
* cbBuffer [I] Size of the destination buffer in bytes.
* pcbData [O] Number of bytes written to pszBuffer (optional, may be NULL).
- * dwFlags [I] None supported yet.
+ * dwFlags [I] Truncate output to fit the buffer if REG_MUI_STRING_TRUNCATE.
* pszBaseDir [I] Base directory of loading path. If NULL, use the current directory.
*
* RETURNS
@@ -3218,7 +3227,9 @@ LSTATUS WINAPI RegLoadMUIStringW(HKEY hKey, LPCWSTR pwszValue, LPWSTR pwszBuffer
cbBuffer, pcbData, dwFlags, debugstr_w(pwszBaseDir));
/* Parameter sanity checks. */
- if (!hKey || (!pwszBuffer && cbBuffer) || (cbBuffer % sizeof(WCHAR)))
+ if (!hKey || (!pwszBuffer && cbBuffer) || (cbBuffer % sizeof(WCHAR))
+ || ((dwFlags & REG_MUI_STRING_TRUNCATE) && pcbData)
+ || (dwFlags & ~REG_MUI_STRING_TRUNCATE))
return ERROR_INVALID_PARAMETER;
/* Check for value existence and correctness of its type, allocate a buffer and load it. */
@@ -3293,7 +3304,7 @@ LSTATUS WINAPI RegLoadMUIStringW(HKEY hKey, LPCWSTR pwszValue, LPWSTR pwszBuffer
/* Load specified string from the file */
reqChars = 0;
- result = load_mui_string(pwszTempBuffer, uiStringId, pwszBuffer, cbBuffer/sizeof(WCHAR), &reqChars);
+ result = load_mui_string(pwszTempBuffer, uiStringId, pwszBuffer, cbBuffer/sizeof(WCHAR), &reqChars, dwFlags);
if (pcbData && (result == ERROR_SUCCESS || result == ERROR_MORE_DATA))
*pcbData = reqChars * sizeof(WCHAR);
}
diff --git a/dlls/advapi32/tests/registry.c b/dlls/advapi32/tests/registry.c
index ab8655a..c178e39 100644
--- a/dlls/advapi32/tests/registry.c
+++ b/dlls/advapi32/tests/registry.c
@@ -3902,20 +3902,20 @@ static void test_RegLoadMUIString(void)
size = 0xdeadbeef;
memset(bufW, 0xff, sizeof(bufW));
ret = pRegLoadMUIStringW(hkey, tz_valueW, bufW, sizeof(WCHAR)*2, &size, 0, NULL);
- todo_wine ok(ret == ERROR_MORE_DATA, "got %d, expected ERROR_MORE_DATA\n", ret);
+ ok(ret == ERROR_MORE_DATA, "got %d, expected ERROR_MORE_DATA\n", ret);
ok(size == text_size || broken(size == text_size + sizeof(WCHAR) /* vista */),
"got %u, expected %u\n", size, text_size);
- todo_wine ok(bufW[0] == 0xffff, "got 0x%04x, expected 0xffff\n", bufW[0]);
+ ok(bufW[0] == 0xffff, "got 0x%04x, expected 0xffff\n", bufW[0]);
memset(bufW, 0xff, sizeof(bufW));
ret = pRegLoadMUIStringW(hkey, tz_valueW, bufW, sizeof(WCHAR)*2, &size, REG_MUI_STRING_TRUNCATE, NULL);
- todo_wine ok(ret == ERROR_INVALID_PARAMETER, "got %d, expected ERROR_INVALID_PARAMETER\n", ret);
- todo_wine ok(bufW[0] == 0xffff, "got 0x%04x, expected 0xffff\n", bufW[0]);
+ ok(ret == ERROR_INVALID_PARAMETER, "got %d, expected ERROR_INVALID_PARAMETER\n", ret);
+ ok(bufW[0] == 0xffff, "got 0x%04x, expected 0xffff\n", bufW[0]);
memset(bufW, 0xff, sizeof(bufW));
ret = pRegLoadMUIStringW(hkey, tz_valueW, bufW, sizeof(WCHAR)*2, NULL, 0xdeadbeef, NULL);
- todo_wine ok(ret == ERROR_INVALID_PARAMETER, "got %d, expected ERROR_INVALID_PARAMETER\n", ret);
- todo_wine ok(bufW[0] == 0xffff, "got 0x%04x, expected 0xffff\n", bufW[0]);
+ ok(ret == ERROR_INVALID_PARAMETER, "got %d, expected ERROR_INVALID_PARAMETER\n", ret);
+ ok(bufW[0] == 0xffff, "got 0x%04x, expected 0xffff\n", bufW[0]);
memset(bufW, 0xff, sizeof(bufW));
ret = pRegLoadMUIStringW(hkey, tz_valueW, bufW, sizeof(WCHAR)*2, NULL, REG_MUI_STRING_TRUNCATE, NULL);
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