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| author | Masaki Muranaka <[email protected]> | 2014-03-08 13:54:02 +0900 |
|---|---|---|
| committer | Masaki Muranaka <[email protected]> | 2014-03-08 15:53:59 +0900 |
| commit | 270d25bf2db157c9d1cdcc57bccefabbb1341524 (patch) | |
| tree | 22319de5b6970a0378f0b8c8c7164e7ac34ffedd /src/class.c | |
| parent | 058bb18f280dddb53ac40c838b371e9469024274 (diff) | |
| download | mruby-270d25bf2db157c9d1cdcc57bccefabbb1341524.tar.gz mruby-270d25bf2db157c9d1cdcc57bccefabbb1341524.zip | |
Make type casts safer.
Diffstat (limited to 'src/class.c')
| -rw-r--r-- | src/class.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/class.c b/src/class.c index 9880a82fa..6f5a8ed19 100644 --- a/src/class.c +++ b/src/class.c @@ -533,9 +533,12 @@ mrb_get_args(mrb_state *mrb, const char *format, ...) ps = va_arg(ap, char**); if (i < argc) { + size_t size_t_len; ss = to_str(mrb, *sp++); s = mrb_str_ptr(ss); - len = (mrb_int)strlen(RSTRING_PTR(ss)); + size_t_len = strlen(RSTRING_PTR(ss)); + mrb_assert(size_t_len <= MRB_INT_MAX); + len = (mrb_int)size_t_len; if (len < RSTRING_LEN(ss)) { mrb_raise(mrb, E_ARGUMENT_ERROR, "string contains null byte"); } |