1FUNCTION::USER_STRIN(3staSpt)ring and data retrieving fFuUnNCTION::USER_STRIN(3stap)
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NAME

6       function::user_string - Retrieves string from user space
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SYNOPSIS

9       1) user_string:string(addr:long)
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11       2) user_string:string(addr:long,err_msg:string)
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ARGUMENTS

14       addr
15           the user space address to retrieve the string from
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17       err_msg
18           the error message to return when data isn't available
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DESCRIPTION

21       1) Returns the null terminated C string from a given user space memory
22       address. Reports an error on the rare cases when userspace data is not
23       accessible.
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25       2) Returns the null terminated C string from a given user space memory
26       address. Reports the given error message on the rare cases when
27       userspace data is not accessible.
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SEE ALSO

30       tapset::uconversions(3stap)
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34SystemTap Tapset Reference       October 2018      FUNCTION::USER_STRIN(3stap)