NAME
im_image_sanity - check image descriptors for sanity
SYNOPSIS
#include <vips/vips.h>
int im_image_sanity( IMAGE *im )
DESCRIPTION
im_image_sanity(3) performs a few simple checks on the IMAGE for bad fields. If it finds a problem it prints a warning message and returns -1.
It is called from various places within VIPS to try to catch errors early.
RETURN VALUE
All functions returns 0 on success and -1 on error.