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Merge pull request #1831 from monaka/pr-make-type-casts-safer

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Make type casts safer
This commit is contained in:
Yukihiro "Matz" Matsumoto
2014-03-09 01:28:31 +09:00
parent 452bf73c23 270d25bf2d
commit ee57789c72
8 changed files with 245 additions and 151 deletions
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src/class.c
+4 -1
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@@ -540,9 +540,12 @@ 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");
}