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digest.c: GC guard

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* ext/digest/digest.c (hexencode_str_new, rb_digest_base_update):
  prevent argument strings from GC.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50580 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-05-21 05:03:55 +00:00
parent 8147bd1e49
commit ac9d6b050b
1 changed files with 3 additions and 0 deletions
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3
ext/digest/digest.c
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@ -124,6 +124,8 @@ hexencode_str_new(VALUE str_digest)
p[i + i + 1] = hex[byte & 0x0f]; p[i + i + 1] = hex[byte & 0x0f];
} }
RB_GC_GUARD(str_digest);
return str; return str;
} }
@ -623,6 +625,7 @@ rb_digest_base_update(VALUE self, VALUE str)
StringValue(str); StringValue(str);
algo->update_func(pctx, (unsigned char *)RSTRING_PTR(str), RSTRING_LEN(str)); algo->update_func(pctx, (unsigned char *)RSTRING_PTR(str), RSTRING_LEN(str));
RB_GC_GUARD(str);
return self; return self;
} }