1IM_MAKERW(3)               Library Functions Manual               IM_MAKERW(3)
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NAME

6       im_makerw - make an IMAGE writeable
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SYNOPSIS

9       #include <vips/vips.h>
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11       int im_makerw( image )
12       IMAGE *image;
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DESCRIPTION

15       im_makerw(3)  attempts  to  make image writeable, ready for an in-place
16       operation.  Its actions are just as  those  for  im_incheck(3),  except
17       that descriptors which after im_incheck(3) end up as IM_MMAPIN descrip‐
18       tors, magically become IM_MMAPINRW descriptors.
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20       Extreme caution is urged! You can permanently damage valuable data with
21       this call.
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RETURN VALUE

24       The function returns 0 on success and -1 on error.
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SEE ALSO

27       im_mmapin(3), im_mmapinrw(3), im_fastlineuser(3).
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30       National Gallery, 1992
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AUTHOR

33       J. Cupitt
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37                                 22 April 1992                    IM_MAKERW(3)
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