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Handle early exit when addrstring isn't set
author Matt Johnston <matt@ucc.asn.au>
date Wed, 18 Mar 2020 23:37:45 +0800
parents 0196f4f83fee
children
line wrap: on
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#!/bin/sh

# Wrap all "#define X Y" with a #ifndef X...#endif"

sed 's/^\( *#define \([^ ][^ ]*\) .*\)/#ifndef \2\
\1\
#endif/'