How to write the modified exif in source image file (like JPEG, TIFF, PSD)?

StackOverflow https://stackoverflow.com/questions/10405576

質問

I used libexif to read and modify the exif metadata in JPEG file. I am not sure on how to write/save the modified contents in the original source image file?

Any ideas?? Thanks.

正しい解決策はありません

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