COMPILE_ET(1)COMPILE_ET(1)NAMEcompile_et - error table compiler
SYNOPSIScompile_et file
DESCRIPTION
Compile_et converts a table listing error-code names and
associated messages into a C source file suitable for use
with the com_err(3) library.
The source file name must end with a suffix of ``.et'';
the file consists of a declaration supplying the name (up
to four characters long) of the error-code table:
error_table name
followed by up to 256 entries of the form:
error_code name, " string "
and a final
end
to indicate the end of the table.
The name of the table is used to construct the name of a
subroutine initialize_XXXX_error_table which must be
called in order for the com_err library to recognize the
error table.
The various error codes defined are assigned sequentially
increasing numbers (starting with a large number computed
as a hash function of the name of the table); thus for
compatibility it is suggested that new codes be added only
to the end of an existing table, and that no codes be
removed from tables.
The names defined in the table are placed into a C header
file with preprocessor directives defining them as integer
constants of up to 32 bits in magnitude.
A C source file is also generated which should be compiled
and linked with the object files which reference these
error codes; it contains the text of the messages and the
initialization subroutine. Both C files have names
derived from that of the original source file, with the
``.et'' suffix replaced by ``.c'' and ``.h''.
A ``#'' in the source file is treated as a comment charac-
ter, and all remaining text to the end of the source line
will be ignored.
BUGS
Since compile_et uses a very simple parser based on
yacc(1), its error recovery leaves much to be desired.
SEE ALSO
com_err (3).
Ken Raeburn, "A Common Error Description Library for
UNIX".
SIPB 22 Nov 1988 COMPILE_ET(1)
