diff options
-rw-r--r-- | src/glsl/glcpp/glcpp-parse.y | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y index aa5a0c4f209..1f6e67fa062 100644 --- a/src/glsl/glcpp/glcpp-parse.y +++ b/src/glsl/glcpp/glcpp-parse.y @@ -388,7 +388,12 @@ expression: $$ = $1 + $3; } | expression '%' expression { - $$ = $1 % $3; + if ($3 == 0) { + yyerror (& @1, parser, + "zero modulus in preprocessor directive"); + } else { + $$ = $1 % $3; + } } | expression '/' expression { if ($3 == 0) { |