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authorDaniel Borkmann <dborkman@redhat.com>2013-03-25 20:27:23 +0100
committerDaniel Borkmann <dborkman@redhat.com>2013-03-25 20:27:23 +0100
commit48cdbcaea2a826688ec9fb4df1af2cfb38352f9b (patch)
tree8053241fb38c9075390f68838cb30e605d6051c1
parentf9591eebe40c9d898483c83c6d4d23d553ec43fc (diff)
trafgen: parser: add possibility for negative numbers
The previous commit reduced it, so now we allow it within cX() containers in order to negate a result, if someone needs that. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
-rw-r--r--trafgen_parser.y2
1 files changed, 2 insertions, 0 deletions
diff --git a/trafgen_parser.y b/trafgen_parser.y
index b0e7e33..37c9a15 100644
--- a/trafgen_parser.y
+++ b/trafgen_parser.y
@@ -431,6 +431,8 @@ expression
{ $$ = $1 << $4; }
| expression '>' '>' expression
{ $$ = $1 >> $4; }
+ | '-' expression
+ { $$ = -1 * $2; }
| '(' expression ')'
{ $$ = $2;}
;