[PATCH 1/2] odbc32: Avoid crashing if str is null in debugstr_sqlstr.

[Owen Rudge]

From: Owen Rudge

---
 dlls/odbc32/proxyodbc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/odbc32/proxyodbc.c b/dlls/odbc32/proxyodbc.c
index 62c240b6e90..e19fd179bc4 100644
--- a/dlls/odbc32/proxyodbc.c
+++ b/dlls/odbc32/proxyodbc.c
@@ -1068,7 +1068,7 @@ SQLRETURN WINAPI SQLColAttribute(SQLHSTMT StatementHandle, SQLUSMALLINT ColumnNu

static const char *debugstr_sqlstr( const SQLCHAR *str, SQLSMALLINT len )
 {
-    if (len == SQL_NTS) len = strlen( (const char *)str );
+    if (len == SQL_NTS) len = (str == NULL) ? 0 : strlen( (const char *)str );
     return wine_dbgstr_an( (const char *)str, len );
 }