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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-12-13 09:28:51 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-12-13 09:28:51 +0000 |
| commit | 60ca258a824c1d4b6a2a40ab91d9e1286914ebf3 (patch) | |
| tree | e48512c803a3747f08e744aa1a8d946711300d17 /ext/psych | |
| parent | 912300c8ef3ca1a78fc802e751dc9cda30cfb091 (diff) | |
| download | ruby-60ca258a824c1d4b6a2a40ab91d9e1286914ebf3.tar.gz | |
psych_emitter.c: check tags range
* ext/psych/psych_emitter.c (start_document): should not exceed
tags array range.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53079 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/psych')
| -rw-r--r-- | ext/psych/psych_emitter.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/ext/psych/psych_emitter.c b/ext/psych/psych_emitter.c index 078ae2b680..371c285183 100644 --- a/ext/psych/psych_emitter.c +++ b/ext/psych/psych_emitter.c @@ -167,16 +167,18 @@ static VALUE start_document(VALUE self, VALUE version, VALUE tags, VALUE imp) if(RTEST(tags)) { long i = 0; + long len; #ifdef HAVE_RUBY_ENCODING_H rb_encoding * encoding = rb_utf8_encoding(); #endif Check_Type(tags, T_ARRAY); - head = xcalloc((size_t)RARRAY_LEN(tags), sizeof(yaml_tag_directive_t)); + len = RARRAY_LEN(tags); + head = xcalloc((size_t)len, sizeof(yaml_tag_directive_t)); tail = head; - for(i = 0; i < RARRAY_LEN(tags); i++) { + for(i = 0; i < len && i < RARRAY_LEN(tags); i++) { VALUE tuple = RARRAY_AREF(tags, i); VALUE name; VALUE value; |