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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2017-08-18 23:41:31 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2017-08-18 23:42:34 +0900 |
| commit | a8bd06904decf2a4641c068fcb271b5b13d37914 (patch) | |
| tree | 29d8d0dcc0037a680d3826c7d350a5354466f5f6 /src/string.c | |
| parent | a06adb176f3c0d44b15ff41fa7788ae408147df2 (diff) | |
| download | mruby-a8bd06904decf2a4641c068fcb271b5b13d37914.tar.gz mruby-a8bd06904decf2a4641c068fcb271b5b13d37914.zip | |
`mrb_str_cat`: `capa` should not be zero to avoid infinite loops.
Diffstat (limited to 'src/string.c')
| -rw-r--r-- | src/string.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/string.c b/src/string.c index e382b470c..c2526f354 100644 --- a/src/string.c +++ b/src/string.c @@ -2566,6 +2566,7 @@ mrb_str_cat(mrb_state *mrb, mrb_value str, const char *ptr, size_t len) mrb_raise(mrb, E_ARGUMENT_ERROR, "string size too big"); } if (capa <= total) { + if (capa == 0) capa = 1; while (capa <= total) { if (capa <= MRB_INT_MAX / 2) { capa *= 2; |