pack.c: raise exception for unsupported specifiers.

cd64ddf3 · Yukihiro "Matz" Matsumoto · e112c462 · cd64ddf3
Unverified Commit cd64ddf3 authored Jun 07, 2021 by Yukihiro "Matz" Matsumoto
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mrbgems/mruby-pack/src/pack.c mrbgems/mruby-pack/src/pack.c +5 -0

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--- a/mrbgems/mruby-pack/src/pack.c
+++ b/mrbgems/mruby-pack/src/pack.c
@@ -1119,6 +1119,11 @@ alias:
    type = PACK_TYPE_STRING;
    flags |= PACK_FLAG_WIDTH | PACK_FLAG_COUNT2 | PACK_FLAG_Z;
    break;
+  case 'p': case 'P':
+  case 'M': case 'X':
+  case '%': case '@':
+    mrb_raisef(mrb, E_ARGUMENT_ERROR, "%c is not supported", (char)t);
+    break;
  default:
    dir = PACK_DIR_INVALID;
    type = PACK_TYPE_NONE;