https://git.ruby-lang.org/ruby.git/commit/?id=c6aa65430f

From c6aa65430fbb94651f4d15e2a976f59b5475ca19 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Fri, 22 Jul 2022 10:41:44 +0900
Subject: Get rid of magic numbers

---
 ext/objspace/objspace_dump.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/ext/objspace/objspace_dump.c b/ext/objspace/objspace_dump.c
index 24a2b0b245..91d9eec4f3 100644
--- a/ext/objspace/objspace_dump.c
+++ b/ext/objspace/objspace_dump.c
@@ -145,7 +145,7 @@ static void https://github.com/ruby/ruby/blob/trunk/ext/objspace/objspace_dump.c#L145
 dump_append_c(struct dump_config *dc, unsigned char c)
 {
     if (c <= 0x1f) {
-        const unsigned int width = (sizeof(c) * CHAR_BIT / 4) + 5;
+        const unsigned int width = rb_strlen_lit("\\u0000") + 1;
         buffer_ensure_capa(dc, width);
         unsigned long required = snprintf(dc->buffer + dc->buffer_len, width, "\\u00%02x", c);
         RUBY_ASSERT(required <= width);
@@ -163,7 +163,7 @@ dump_append_ref(struct dump_config *dc, VALUE ref) https://github.com/ruby/ruby/blob/trunk/ext/objspace/objspace_dump.c#L163
 {
     RUBY_ASSERT(ref > 0);
 
-    char buffer[((sizeof(VALUE) * CHAR_BIT + 3) / 4) + 4];
+    char buffer[roomof(sizeof(VALUE) * CHAR_BIT, 4) + rb_strlen_lit("\"0x\"")];
     char *buffer_start, *buffer_end;
 
     buffer_start = buffer_end = &buffer[sizeof(buffer)];
@@ -481,7 +481,8 @@ dump_object(VALUE obj, struct dump_config *dc) https://github.com/ruby/ruby/blob/trunk/ext/objspace/objspace_dump.c#L481
                 dump_append(dc, ", \"name\":\"");
                 dump_append(dc, RSTRING_PTR(mod_name));
                 dump_append(dc, "\"");
-            } else {
+            }
+            else {
                 VALUE real_mod_name = rb_mod_name(rb_class_real(obj));
                 if (RTEST(real_mod_name)) {
                     dump_append(dc, ", \"real_class_name\":\"");
@@ -625,7 +626,8 @@ dump_output(struct dump_config *dc, VALUE output, VALUE full, VALUE since) https://github.com/ruby/ruby/blob/trunk/ext/objspace/objspace_dump.c#L626
     if (TYPE(output) == T_STRING) {
         dc->stream = Qfalse;
         dc->string = output;
-    } else {
+    }
+    else {
         dc->stream = output;
         dc->string = Qfalse;
     }
@@ -637,7 +639,8 @@ dump_output(struct dump_config *dc, VALUE output, VALUE full, VALUE since) https://github.com/ruby/ruby/blob/trunk/ext/objspace/objspace_dump.c#L639
     if (RTEST(since)) {
         dc->partial_dump = 1;
         dc->since = NUM2SIZET(since);
-    } else {
+    }
+    else {
         dc->partial_dump = 0;
     }
 }
@@ -649,7 +652,8 @@ dump_result(struct dump_config *dc) https://github.com/ruby/ruby/blob/trunk/ext/objspace/objspace_dump.c#L652
 
     if (dc->string) {
         return dc->string;
-    } else {
+    }
+    else {
         rb_io_flush(dc->stream);
         return dc->stream;
     }
-- 
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