Mercurial > dropbear
comparison ifndef_wrapper.sh @ 1612:470aa609c7e4
avoid extended regex features to avoid caring about sed -r vs -E
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Tue, 24 Jul 2018 20:19:05 +0800 |
| parents | 198e2ee0f4b1 |
| children |
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| 1554:1c66ca4f3791 | 1612:470aa609c7e4 |
|---|---|
| 1 #!/bin/sh | 1 #!/bin/sh |
| 2 | 2 |
| 3 # Wrap all "#define X Y" with a #ifndef X...#endif" | 3 # Wrap all "#define X Y" with a #ifndef X...#endif" |
| 4 | 4 |
| 5 sed -E 's/^( *#define ([^ ]+) .*)/#ifndef \2\ | 5 sed 's/^\( *#define \([^ ][^ ]*\) .*\)/#ifndef \2\ |
| 6 \1\ | 6 \1\ |
| 7 #endif/' | 7 #endif/' |