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comctl32: Fix invalid usage of CompareString in StrStr functions.

This commit is contained in:
Sebastian Lackner 2014-11-17 09:10:39 +01:00 committed by Alexandre Julliard
parent 27ac8d265e
commit 766f587f90
1 changed files with 8 additions and 4 deletions
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12
dlls/comctl32/string.c
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@ -291,7 +291,7 @@ LPSTR WINAPI StrChrA(LPCSTR lpszStr, WORD ch)
* PARAMS
* lpszStr [I] First string to compare
* lpszComp [I] Second string to compare
* iLen [I] Maximum number of chars to compare.
* iLen [I] Number of chars to compare
*
* RETURNS
* An integer less than, equal to or greater than 0, indicating that
@ -323,13 +323,15 @@ static LPSTR COMCTL32_StrStrHelperA(LPCSTR lpszStr, LPCSTR lpszSearch,
INT (WINAPI *pStrCmpFn)(LPCSTR,LPCSTR,INT))
{
size_t iLen;
LPCSTR end;
if (!lpszStr || !lpszSearch || !*lpszSearch)
return NULL;
iLen = strlen(lpszSearch);
end = lpszStr + strlen(lpszStr);
while (*lpszStr)
while (lpszStr + iLen <= end)
{
if (!pStrCmpFn(lpszStr, lpszSearch, iLen))
return (LPSTR)lpszStr;
@ -382,6 +384,7 @@ INT WINAPI StrToIntA (LPCSTR lpszStr)
LPWSTR WINAPI StrStrIW(LPCWSTR lpszStr, LPCWSTR lpszSearch)
{
int iLen;
LPCWSTR end;
TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSearch));
@ -389,8 +392,9 @@ LPWSTR WINAPI StrStrIW(LPCWSTR lpszStr, LPCWSTR lpszSearch)
return NULL;
iLen = strlenW(lpszSearch);
end = lpszStr + strlenW(lpszStr);
while (*lpszStr)
while (lpszStr + iLen <= end)
{
if (!StrCmpNIW(lpszStr, lpszSearch, iLen))
return (LPWSTR)lpszStr;
@ -480,7 +484,7 @@ LPWSTR WINAPI StrChrW(LPCWSTR lpszStr, WCHAR ch)
* PARAMS
* lpszStr [I] First string to compare
* lpszComp [I] Second string to compare
* iLen [I] Maximum number of chars to compare.
* iLen [I] Number of chars to compare
*
* RETURNS
* An integer less than, equal to or greater than 0, indicating that