Bernhard Kölbl : combase: Move length from hstring_private to hstring_header.
Module: wine Branch: master Commit: f7609ac2e6139a7097c50f03517dd4f83edf6f7c URL: https://source.winehq.org/git/wine.git/?a=commit;h=f7609ac2e6139a7097c50f035... Author: Bernhard Kölbl <besentv(a)gmail.com> Date: Mon Jan 24 16:09:21 2022 +0100 combase: Move length from hstring_private to hstring_header. Signed-off-by: Bernhard Kölbl <besentv(a)gmail.com> Signed-off-by: Huw Davies <huw(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/combase/string.c | 46 ++++++++++++++++++++++----------------------- dlls/combase/tests/string.c | 2 ++ 2 files changed, 25 insertions(+), 23 deletions(-) diff --git a/dlls/combase/string.c b/dlls/combase/string.c index 796fe607ad0..1e1e60db758 100644 --- a/dlls/combase/string.c +++ b/dlls/combase/string.c @@ -31,13 +31,13 @@ WINE_DEFAULT_DEBUG_CHANNEL(winstring); struct hstring_header { UINT32 flags; + UINT32 length; }; struct hstring_private { struct hstring_header header; LPWSTR buffer; - UINT32 length; LONG refcount; }; @@ -69,7 +69,7 @@ static BOOL alloc_string(UINT32 len, HSTRING *out) priv->header.flags = 0; priv->buffer = (LPWSTR)(priv + 1); - priv->length = len; + priv->header.length = len; priv->refcount = 1; priv->buffer[len] = '\0'; @@ -126,7 +126,7 @@ HRESULT WINAPI WindowsCreateStringReference(LPCWSTR ptr, UINT32 len, return E_POINTER; priv->buffer = (LPWSTR)ptr; - priv->length = len; + priv->header.length = len; priv->header.flags = HSTRING_REFERENCE_FLAG; *out = (HSTRING)priv; @@ -168,7 +168,7 @@ HRESULT WINAPI WindowsDuplicateString(HSTRING str, HSTRING *out) return S_OK; } if (priv->header.flags & HSTRING_REFERENCE_FLAG) - return WindowsCreateString(priv->buffer, priv->length, out); + return WindowsCreateString(priv->buffer, priv->header.length, out); InterlockedIncrement(&priv->refcount); *out = str; return S_OK; @@ -233,7 +233,7 @@ HRESULT WINAPI WindowsPromoteStringBuffer(HSTRING_BUFFER buf, HSTRING *out) *out = NULL; return S_OK; } - if (priv->buffer[priv->length] != 0 || priv->header.flags & HSTRING_REFERENCE_FLAG || priv->refcount != 1) + if (priv->buffer[priv->header.length] != 0 || priv->header.flags & HSTRING_REFERENCE_FLAG || priv->refcount != 1) return E_INVALIDARG; *out = (HSTRING)priv; return S_OK; @@ -250,7 +250,7 @@ UINT32 WINAPI WindowsGetStringLen(HSTRING str) if (str == NULL) return 0; - return priv->length; + return priv->header.length; } /*********************************************************************** @@ -269,7 +269,7 @@ LPCWSTR WINAPI WindowsGetStringRawBuffer(HSTRING str, UINT32 *len) return empty; } if (len) - *len = priv->length; + *len = priv->header.length; return priv->buffer; } @@ -290,7 +290,7 @@ HRESULT WINAPI WindowsStringHasEmbeddedNull(HSTRING str, BOOL *out) *out = FALSE; return S_OK; } - for (i = 0; i < priv->length; i++) + for (i = 0; i < priv->header.length; i++) { if (priv->buffer[i] == '\0') { @@ -363,16 +363,16 @@ HRESULT WINAPI WindowsConcatString(HSTRING str1, HSTRING str2, HSTRING *out) return WindowsDuplicateString(str2, out); if (str2 == NULL) return WindowsDuplicateString(str1, out); - if (!priv1->length && !priv2->length) + if (!priv1->header.length && !priv2->header.length) { *out = NULL; return S_OK; } - if (!alloc_string(priv1->length + priv2->length, out)) + if (!alloc_string(priv1->header.length + priv2->header.length, out)) return E_OUTOFMEMORY; priv = impl_from_HSTRING(*out); - memcpy(priv->buffer, priv1->buffer, priv1->length * sizeof(*priv1->buffer)); - memcpy(priv->buffer + priv1->length, priv2->buffer, priv2->length * sizeof(*priv2->buffer)); + memcpy(priv->buffer, priv1->buffer, priv1->header.length * sizeof(*priv1->buffer)); + memcpy(priv->buffer + priv1->header.length, priv2->buffer, priv2->header.length * sizeof(*priv2->buffer)); return S_OK; } @@ -387,7 +387,7 @@ BOOL WINAPI WindowsIsStringEmpty(HSTRING str) if (str == NULL) return TRUE; - return priv->length == 0; + return priv->header.length == 0; } /*********************************************************************** @@ -412,12 +412,12 @@ HRESULT WINAPI WindowsCompareStringOrdinal(HSTRING str1, HSTRING str2, INT32 *re if (str1) { buf1 = priv1->buffer; - len1 = priv1->length; + len1 = priv1->header.length; } if (str2) { buf2 = priv2->buffer; - len2 = priv2->length; + len2 = priv2->header.length; } *res = CompareStringOrdinal(buf1, len1, buf2, len2, FALSE) - CSTR_EQUAL; return S_OK; @@ -434,19 +434,19 @@ HRESULT WINAPI WindowsTrimStringStart(HSTRING str1, HSTRING str2, HSTRING *out) TRACE("(%p, %p, %p)\n", str1, str2, out); - if (!out || !str2 || !priv2->length) + if (!out || !str2 || !priv2->header.length) return E_INVALIDARG; if (!str1) { *out = NULL; return S_OK; } - for (start = 0; start < priv1->length; start++) + for (start = 0; start < priv1->header.length; start++) { - if (!wmemchr(priv2->buffer, priv1->buffer[start], priv2->length)) + if (!wmemchr(priv2->buffer, priv1->buffer[start], priv2->header.length)) break; } - return start ? WindowsCreateString(&priv1->buffer[start], priv1->length - start, out) : + return start ? WindowsCreateString(&priv1->buffer[start], priv1->header.length - start, out) : WindowsDuplicateString(str1, out); } @@ -461,18 +461,18 @@ HRESULT WINAPI WindowsTrimStringEnd(HSTRING str1, HSTRING str2, HSTRING *out) TRACE("(%p, %p, %p)\n", str1, str2, out); - if (!out || !str2 || !priv2->length) + if (!out || !str2 || !priv2->header.length) return E_INVALIDARG; if (!str1) { *out = NULL; return S_OK; } - for (len = priv1->length; len > 0; len--) + for (len = priv1->header.length; len > 0; len--) { - if (!wmemchr(priv2->buffer, priv1->buffer[len - 1], priv2->length)) + if (!wmemchr(priv2->buffer, priv1->buffer[len - 1], priv2->header.length)) break; } - return (len < priv1->length) ? WindowsCreateString(priv1->buffer, len, out) : + return (len < priv1->header.length) ? WindowsCreateString(priv1->buffer, len, out) : WindowsDuplicateString(str1, out); } diff --git a/dlls/combase/tests/string.c b/dlls/combase/tests/string.c index ea3285f6008..9e4c6281866 100644 --- a/dlls/combase/tests/string.c +++ b/dlls/combase/tests/string.c @@ -512,6 +512,7 @@ static void test_hstring_struct(void) prv = CONTAINING_RECORD(str, struct hstring_private, header); ok(prv->header.flags == 0, "Expected 0 in flags field, got %#x.\n", prv->header.flags); + ok(prv->header.length == 6, "Expected 6 in length field, got %u.\n", prv->header.length); todo_wine ok(prv->header.str == prv->buffer, "Expected str to point at buffer, instead pointing at %p.\n", prv->header.str); todo_wine @@ -546,6 +547,7 @@ static void test_hstring_struct(void) ok(prv == prv2, "Pointers not identical.\n"); ok(prv2->header.flags == 1, "Expected HSTRING_REFERENCE_FLAG to be set, got %#x.\n", prv2->header.flags); + ok(prv2->header.length == 6, "Expected 6 in length field, got %u.\n", prv2->header.length); todo_wine ok(prv2->header.str == input_string, "Expected str to point at input_string, instead pointing at %p.\n", prv2->header.str);
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Alexandre Julliard