diff options
| -rw-r--r-- | dtc-parser.y | 10 | ||||
| -rw-r--r-- | tests/division-by-zero.dts | 5 | ||||
| -rwxr-xr-x | tests/run_tests.sh | 2 |
3 files changed, 16 insertions, 1 deletions
diff --git a/dtc-parser.y b/dtc-parser.y index 5a897e3..00d4dbb 100644 --- a/dtc-parser.y +++ b/dtc-parser.y @@ -410,7 +410,15 @@ integer_add: integer_mul: integer_mul '*' integer_unary { $$ = $1 * $3; } - | integer_mul '/' integer_unary { $$ = $1 / $3; } + | integer_mul '/' integer_unary + { + if ($3 != 0) { + $$ = $1 / $3; + } else { + ERROR(&@$, "Division by zero"); + $$ = 0; + } + } | integer_mul '%' integer_unary { $$ = $1 % $3; } | integer_unary ; diff --git a/tests/division-by-zero.dts b/tests/division-by-zero.dts new file mode 100644 index 0000000..d26fc27 --- /dev/null +++ b/tests/division-by-zero.dts @@ -0,0 +1,5 @@ +/dts-v1/; + +/ { + prop = < (1/0) >; +}; diff --git a/tests/run_tests.sh b/tests/run_tests.sh index 1063d1e..3d6a230 100755 --- a/tests/run_tests.sh +++ b/tests/run_tests.sh @@ -289,6 +289,8 @@ libfdt_tests () { run_test dtbs_equal_ordered embedded_nul.test.dtb embedded_nul_equiv.test.dtb run_dtc_test -I dts -O dtb bad-size-cells.dts + + run_wrap_error_test $DTC division-by-zero.dts } dtc_tests () { |