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

6       function::user_string2_n_warn - Retrieves string from user space with
7       alternative warning string
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SYNOPSIS

10           user_string2_n_warn:string(addr:long,n:long,warn_msg:string)
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ARGUMENTS

13       addr
14           the user space address to retrieve the string from
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16       n
17           the maximum length of the string (if not null terminated)
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19       warn_msg
20           the warning message to return when data isn´t available
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DESCRIPTION

23       Returns up to n characters of a C string from a given user space memory
24       address. Reports the given warning message on the rare cases when
25       userspace data is not accessible and warns (but does not abort) about
26       the failure.
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SEE ALSO

29       tapset::uconversions(3stap)
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33SystemTap Tapset Reference         June 2018       FUNCTION::USER_STRIN(3stap)
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