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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2020-04-29 18:37:29 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2020-05-07 08:38:46 +0900 |
| commit | 2fcdd3f8eb3daa6efe4a25230a40f85499686c7e (patch) | |
| tree | 68d1340322cdbbf3dee72c3441991403898327c9 | |
| parent | 8c0dc55af89ddef79cb2de63197fc78d22bca348 (diff) | |
| download | mruby-2fcdd3f8eb3daa6efe4a25230a40f85499686c7e.tar.gz mruby-2fcdd3f8eb3daa6efe4a25230a40f85499686c7e.zip | |
Add assertion as originally intended; ref #4986
| -rw-r--r-- | mrbgems/mruby-io/src/io.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mrbgems/mruby-io/src/io.c b/mrbgems/mruby-io/src/io.c index 3d9d2b48a..c0d2a51d7 100644 --- a/mrbgems/mruby-io/src/io.c +++ b/mrbgems/mruby-io/src/io.c @@ -1493,6 +1493,7 @@ mrb_io_readchar(mrb_state *mrb, mrb_value self) #endif mrb_get_args(mrb, "S", &buf); + mrb_assert(RSTRING_LEN(buf) > 0); mrb_assert(RSTRING_PTR(buf) != NULL); mrb_str_modify(mrb, RSTRING(buf)); #ifdef MRB_UTF8_STRING |