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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2016-12-31 23:31:45 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2016-12-31 23:31:45 +0900 |
| commit | 342b1de65c5f044e1f3dc08b6e04c9cd0206abc3 (patch) | |
| tree | 54e5219e4d1a6ac56d81e0ee71d8346e10f747c5 | |
| parent | cfdd1e3cc6ec9ac7ba81ec6fad5d5ba4d11334b9 (diff) | |
| download | mruby-342b1de65c5f044e1f3dc08b6e04c9cd0206abc3.tar.gz mruby-342b1de65c5f044e1f3dc08b6e04c9cd0206abc3.zip | |
str_buf_cat(): should allocate at least RSTRING_EMBED_LEN_MAX+1.
| -rw-r--r-- | src/string.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/string.c b/src/string.c index 56eeef3a2..d41237f44 100644 --- a/src/string.c +++ b/src/string.c @@ -158,6 +158,8 @@ str_buf_cat(mrb_state *mrb, struct RString *s, const char *ptr, size_t len) capa = RSTRING_EMBED_LEN_MAX; else capa = s->as.heap.aux.capa; + if (capa <= RSTRING_EMBED_LEN_MAX) + capa = RSTRING_EMBED_LEN_MAX+1; total = RSTR_LEN(s)+len; if (total >= MRB_INT_MAX) { |