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authorDenys Vlasenko <vda.linux@googlemail.com>2020-06-09 01:33:54 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2020-06-09 01:33:54 +0200
commit6f7a0096496a5a9e90638dc01e947015cc776110 (patch)
tree9c069ee55413ec7acef2d1e152859b0f14c9b11f /testsuite
parent45fa3f18adf57ef9d743038743d9c90573aeeb91 (diff)
downloadbusybox-6f7a0096496a5a9e90638dc01e947015cc776110.tar.gz
awk: disallow "str"++, closes bug 12981
function old new delta parse_expr 887 896 +9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'testsuite')
-rwxr-xr-xtestsuite/awk.tests8
1 files changed, 8 insertions, 0 deletions
diff --git a/testsuite/awk.tests b/testsuite/awk.tests
index b5008290f..87f6b5007 100755
--- a/testsuite/awk.tests
+++ b/testsuite/awk.tests
@@ -390,5 +390,13 @@ testing 'awk negative field access' \
'' \
'anything'
+# was misinterpreted as (("str"++) i) instead of ("str" (++i))
+# (and was executed: "str"++ is "0", thus concatenating "0" and "1"):
+testing 'awk do not allow "str"++' \
+ 'awk -v i=1 "BEGIN {print \"str\" ++i}"' \
+ "str2\n" \
+ '' \
+ 'anything'
+
exit $FAILCOUNT