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; \end{diamond}

; \begin{diamond}

fat_find_lfn:

; in: esi->name

;     [esp+4] = next

;     [esp+8] = first

;     [esp+C]... - possibly parameters for first and next

; out: CF=1 - file not found

;      else CF=0, esi->next name component, edi->direntry

        pusha

        lea     eax, [esp+0Ch+20h]

        call    dword [eax-4]

        jc      .reterr

        sub     esp, 262*2      ; reserve place for LFN

        mov     ebp, esp

        push    0               ; for fat_get_name: read ASCII name

.l1:

        call    fat_get_name

        jc      .l2

        call    fat_compare_name

        jz      .found

.l2:

        lea     eax, [esp+0Ch+20h+262*2+4]

        call    dword [eax-8]

        jnc     .l1

        add     esp, 262*2+4

.reterr:

        stc

        popa

        ret

.found:

        add     esp, 262*2+4

; if this is LFN entry, advance to true entry

        cmp     byte [edi+11], 0xF

        jnz     @f

        lea     eax, [esp+0Ch+20h]

        call    dword [eax-8]

        jc      .reterr

@@:

        add     esp, 8          ; CF=0

        push    esi

        push    edi

        popa

        ret