Function validate_data_value_utf8 

pub fn validate_data_value_utf8(
    data_section: &[u8],
    offset: usize,
    base_offset: usize,
) -> Result<u32, String>

Validate UTF-8 in a decoded data value at the given offset

This function attempts to decode a value from the data section buffer and recursively validates all strings within it.

Arguments

• data_section - Raw data section bytes
• offset - Offset within data section to decode from
• base_offset - Base offset for pointer calculations (0 for standalone)

Returns

• Ok(count) - Number of strings validated (all valid)
• Err(msg) - Error message if invalid UTF-8 found or decode failed