printf: protect against bogus format specifiers. Hopefully closes bug 4184

2008-07-17 09:17:51 +00:00
parent 416914fc61
commit 0f683f818c
2 changed files with 19 additions and 9 deletions
--- a/testsuite/printf.tests
+++ b/testsuite/printf.tests
@@ -24,4 +24,10 @@ testing "printf repeatedly use pattern for each argv" \
 	"foo\n$HOME\n" \
 	"" ""

+# Why ()s are necessary I have no idea...
+testing "printf aborts on bare %" \
+	"(${bb}printf '%' a b c) 2>&1; echo \$?" \
+	"printf: invalid directive '%'\n""1\n" \
+	"" ""
+
 exit $FAILCOUNT