[Cython] Function signature does not match previous declaration

[Johannes Wienke]

Hi,

I've got one header file in my project, that raises a lot of "Function
signature does not match previous declaration" warnings but I don't know
why, especially because everything works. One warning e. g. is this one:

warning: include/icewing/gui/Gimage.pxi:87:11: Function signature does
not match previous declaration

Line 87 in that file is:
iwImage* iw_img_new_alloc(int width, int height, int planes, iwType type)

iwImage and iwType are defined like this:

ctypedef struct iwImage:
    guchar **data
    int planes
    iwType type
    int width, height
    int rowstride
    iwColtab ctab
    void *reserved

ctypedef enum iwType:
    IW_8U
    IW_16U
    IW_32S
    IW_FLOAT
    IW_DOUBLE

The original definitions in the header file look like this:

typedef struct iwImage {
        guchar **data;
        int planes;
        iwType type;
        int width, height;
        int rowstride;
        iwColtab ctab;
        void *reserved;
} iwImage;

typedef enum {
        IW_8U,
        IW_16U,
        IW_32S,
        IW_FLOAT,
        IW_DOUBLE
} iwType;

iwImage* iw_img_new_alloc (int width, int height, int planes, iwType type);

Has anyone got an idea why cython generates these warnings?

Thanks for the help!

Johannes

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