On Fri, 25 Oct 2019 at 17:56, Fabian Maurer <dark.shadow4@web.de> wrote:
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=44975
Signed-off-by: Fabian Maurer <dark.shadow4@web.de>
---

 ...
+static BOOL read_char_from_handle(HANDLE handle, char *char_out)
+{
+    static char buffer[4096];
+    static UINT buffer_max = 0;
+    static UINT buffer_pos = 0;
+
+    /* Read next content into buffer */
+    if (buffer_pos >= buffer_max)
+    {
+        BOOL success = ReadFile(handle, buffer, 4096, &buffer_max, NULL);
+        if (!success)
+            return FALSE;
+        buffer_pos = 0;
+    }

...

That condition might (??) want to be something like (perhaps also testing if the handle is: STD_INPUT_HANDLE):

+        if (!success || !buffer_max)

otherwise your find implementation hangs for me with:

echo abc def | find "abc"


Robert