(input []byte)
| 840 | if err != nil { |
| 841 | return nil |
| 842 | } |
| 843 | |
| 844 | // WhatsApp sticker EXIF header structure |
| 845 | header := []byte{ |
| 846 | 0x49, 0x49, 0x2A, 0x00, // TIFF little-endian marker |
| 847 | 0x08, 0x00, 0x00, 0x00, // IFD offset |
| 848 | 0x01, 0x00, // Number of directory entries |
| 849 | 0x41, 0x57, // Tag ID (WhatsApp custom) |
| 850 | 0x07, 0x00, // Data type (undefined) |
| 851 | } |
| 852 | footer := []byte{0x16, 0x00, 0x00, 0x00} // Next IFD offset |
| 853 | |
| 854 | var buf bytes.Buffer |
| 855 | buf.Write(header) |
| 856 | binary.Write(&buf, binary.LittleEndian, uint32(len(jsonBytes))) |
no test coverage detected