1FUNCTION::USER_BUFFE(3staSpt)ring and data retrieving fFuUnNCTION::USER_BUFFE(3stap)
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6 function::user_buffer_quoted_error - Retrieves and quotes buffer from
7 user space
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10 user_buffer_quoted_error:string(addr:long,inlen:long,outlen:long)
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13 addr
14 the user space address to retrieve the buffer from
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16 inlen
17 the exact length of the buffer to read
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19 outlen
20 the maximum length of the output string
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23 Reads inlen characters of a buffer from the given user space memory
24 address, and returns up to outlen characters, where any ASCII
25 characters that are not printable are replaced by the corresponding
26 escape sequence in the returned string. Note that the string will be
27 surrounded by double quotes. On the rare cases when user space data is
28 not accessible at the given address, an error is thrown.
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31 tapset::uconversions(3stap)
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35SystemTap Tapset Reference November 2022 FUNCTION::USER_BUFFE(3stap)