diff options
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -1375,10 +1375,12 @@ rb_string_value_cstr(volatile VALUE *ptr) { VALUE str = rb_string_value(ptr); char *s = RSTRING_PTR(str); + long len = RSTRING_LEN(str); - if (!s || RSTRING_LEN(str) != (long)strlen(s)) { + if (!s || memchr(s, 0, len)) { rb_raise(rb_eArgError, "string contains null byte"); } + if (s[len]) rb_str_modify(str); return s; } |