groonga/groonga at 6297ce8 [master] operator: add a test op >= 0 because an enum value can be negative (Groonga-commit) - Groonga - fulltext search engine.

Susumu Yata	2018-01-11 14:13:23 +0900 (Thu, 11 Jan 2018)

  New Revision: 6297ce85871f86dccd3e2ea82208a3894b5814b5
  https://github.com/groonga/groonga/commit/6297ce85871f86dccd3e2ea82208a3894b5814b5

  Message:
    operator: add a test op >= 0 because an enum value can be negative
    
    The underlying type of enum is implementation-defined.

  Modified files:
    lib/operator.c

  Modified: lib/operator.c (+1 -1)
===================================================================

--- lib/operator.c    2018-01-11 14:05:02 +0900 (6c4ca0d4b)
+++ lib/operator.c    2018-01-11 14:13:23 +0900 (2da43b857)
@@ -121,7 +121,7 @@ static const char *operator_names[] = {
 const char *
 grn_operator_to_string(grn_operator op)
 {
-  if (op <= GRN_OP_LAST) {
+  if (op >= 0 && op <= GRN_OP_LAST) {
     return operator_names[op];
   } else {
     return "unknown";
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[Groonga-commit] groonga/groonga at 6297ce8 [master] operator: add a test op >= 0 because an enum value can be negative