Fixed missing argument checks.

diff --git a/winpr/libwinpr/file/generic.c b/winpr/libwinpr/file/generic.c
index 88cc85a..33d8c1c 100644 (file)
--- a/winpr/libwinpr/file/generic.c
+++ b/winpr/libwinpr/file/generic.c
@@ -482,6 +482,9 @@ BOOL WINAPI GetFileAttributesExA(LPCSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfo
        WIN32_FIND_DATAA findFileData;
        HANDLE hFind;
 
+       if (!fd)
+               return FALSE;
+
        if ((hFind = FindFirstFileA(lpFileName, &findFileData)) == INVALID_HANDLE_VALUE)
                return FALSE;
 
@@ -835,6 +838,13 @@ HANDLE FindFirstFileA(LPCSTR lpFileName, LPWIN32_FIND_DATAA lpFindFileData)
        BOOL isDir = FALSE;
        struct stat fileStat;
        WIN32_FILE_SEARCH* pFileSearch;
+
+       if (!lpFindFileData || !lpFileName)
+       {
+               SetLastError(ERROR_BAD_ARGUMENTS);
+               return INVALID_HANDLE_VALUE;
+       }
+
        ZeroMemory(lpFindFileData, sizeof(WIN32_FIND_DATAA));
        pFileSearch = (WIN32_FILE_SEARCH*) calloc(1, sizeof(WIN32_FILE_SEARCH));
 
@@ -1027,14 +1037,14 @@ BOOL FindNextFileA(HANDLE hFindFile, LPWIN32_FIND_DATAA lpFindFileData)
        char* fullpath;
        size_t pathlen;
        size_t namelen;
-       ZeroMemory(lpFindFileData, sizeof(WIN32_FIND_DATAA));
 
-       if (!hFindFile)
+       if (!hFindFile || !lpFindFileData)
                return FALSE;
 
        if (hFindFile == INVALID_HANDLE_VALUE)
                return FALSE;
 
+       ZeroMemory(lpFindFileData, sizeof(WIN32_FIND_DATAA));
        pFileSearch = (WIN32_FILE_SEARCH*) hFindFile;
 
        while ((pFileSearch->pDirent = readdir(pFileSearch->pDir)) != NULL)