[PATCH] wininet: Resize buffer when call to InternetCanonicalizeUrlW fails in InternetCrackUrlW.
From: Michael Müller <michael(a)fds-team.de> Wine-bug: https://bugs.winehq.org/show_bug.cgi?id=40598 Signed-off-by: Alistair Leslie-Hughes <leslie_alistair(a)hotmail.com> --- dlls/wininet/internet.c | 21 ++++++++++++++++++--- dlls/wininet/tests/url.c | 6 +++--- 2 files changed, 21 insertions(+), 6 deletions(-) diff --git a/dlls/wininet/internet.c b/dlls/wininet/internet.c index 6d0d35c..b407e85 100644 --- a/dlls/wininet/internet.c +++ b/dlls/wininet/internet.c @@ -1664,7 +1664,7 @@ BOOL WINAPI InternetCrackUrlW(const WCHAR *lpszUrl, DWORD dwUrlLength, DWORD dwF if (dwFlags & ICU_DECODE) { - WCHAR *url_tmp; + WCHAR *url_tmp, *buffer; DWORD len = dwUrlLength + 1; BOOL ret; @@ -1673,9 +1673,24 @@ BOOL WINAPI InternetCrackUrlW(const WCHAR *lpszUrl, DWORD dwUrlLength, DWORD dwF SetLastError(ERROR_OUTOFMEMORY); return FALSE; } - ret = InternetCanonicalizeUrlW(url_tmp, url_tmp, &len, ICU_DECODE | ICU_NO_ENCODE); + + buffer = url_tmp; + ret = InternetCanonicalizeUrlW(url_tmp, buffer, &len, ICU_DECODE | ICU_NO_ENCODE); + if (!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER) + { + buffer = heap_alloc(len * sizeof(WCHAR)); + if (!buffer) + { + SetLastError(ERROR_OUTOFMEMORY); + heap_free(url_tmp); + return FALSE; + } + ret = InternetCanonicalizeUrlW(url_tmp, buffer, &len, ICU_DECODE | ICU_NO_ENCODE); + } if (ret) - ret = InternetCrackUrlW(url_tmp, len, dwFlags & ~ICU_DECODE, lpUC); + ret = InternetCrackUrlW(buffer, len, dwFlags & ~ICU_DECODE, lpUC); + + if (buffer != url_tmp) heap_free(buffer); heap_free(url_tmp); return ret; } diff --git a/dlls/wininet/tests/url.c b/dlls/wininet/tests/url.c index 18c77b6..19ae7c3 100644 --- a/dlls/wininet/tests/url.c +++ b/dlls/wininet/tests/url.c @@ -816,9 +816,9 @@ static void InternetCrackUrlW_test(void) comp.lpszUrlPath = urlpart; comp.dwUrlPathLength = ARRAY_SIZE(urlpart); r = InternetCrackUrlW(url3, 0, ICU_DECODE, &comp); - todo_wine ok(r, "InternetCrackUrlW failed unexpectedly\n"); - todo_wine ok(!strcmp_wa(host, "x.org"), "host is %s, should be x.org\n", wine_dbgstr_w(host)); - ok(urlpart[0] == 0, "urlpart should be empty\n"); + ok(r, "InternetCrackUrlW failed unexpectedly\n"); + ok(!strcmp_wa(host, "x.org"), "host is %s, should be x.org\n", wine_dbgstr_w(host)); + todo_wine ok(urlpart[0] == 0, "urlpart should be empty\n"); } static void fill_url_components(URL_COMPONENTSA *lpUrlComponents) -- 1.9.1
participants (2)
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Alistair Leslie-Hughes -
Jacek Caban