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xmalloc:

; in: eax=size

; out: eax=pointer or NULL

        call    mf_alloc

.common:

        test    eax, eax

        jnz     @f

        call    SayNoMem

        xor     eax, eax

@@:

        ret

xrealloc:

; in: eax=pointer, ebx=new size

; out: eax=pointer or NULL

        call    mf_realloc

        jmp     xmalloc.common

get_error_msg:

; in: eax=error code

; out: eax=pointer to message (in static buffer)

        push    esi edi

        mov     edi, error_msg

        cmp     eax, 11

        ja      .no1

        mov     esi, [errors1+eax*4]

        jmp     .copy

.no1:

        cmp     eax, 30

        jb      .no2

        cmp     eax, 32

        ja      .no2

        mov     esi, [errors2+(eax-30)*4]

.copy:

        lodsb

        stosb

        test    al, al

        jnz     .copy

.ret:

        mov     eax, error_msg

        pop     edi esi

        ret

.no2:

        mov     esi, aUnknownError

        push    eax

@@:

        lodsb

        stosb

        test    al, al

        jnz     @b

        pop     eax

        push    edx ecx

        test    eax, eax

        jns     @f

        mov     byte [edi], '-'

        inc     edi

        neg     eax

@@:

        xor     edx, edx

        mov     ecx, 10

        div     ecx

        add     edx, '0'

        mov     byte [edi], dl

        inc     edi

        test    eax, eax

        jnz     @b

        pop     ecx edx

        stosb

        jmp     .ret