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| author | Yukihiro Matz Matsumoto <[email protected]> | 2013-03-14 23:12:21 +0900 |
|---|---|---|
| committer | Yukihiro Matz Matsumoto <[email protected]> | 2013-03-14 23:12:21 +0900 |
| commit | 08a0c9f32843d4ebe17476608d6b2f3d8d703313 (patch) | |
| tree | 90d74c4aeeec1c165f36b2bfc05563f4333252dd /src | |
| parent | 228687cfff7aed676c9fc02fa587bd74ed097489 (diff) | |
| download | mruby-08a0c9f32843d4ebe17476608d6b2f3d8d703313.tar.gz mruby-08a0c9f32843d4ebe17476608d6b2f3d8d703313.zip | |
add mrb_int overflow check for mrb_int
Diffstat (limited to 'src')
| -rw-r--r-- | src/string.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/string.c b/src/string.c index cd70e63f6..d474f6f96 100644 --- a/src/string.c +++ b/src/string.c @@ -2050,6 +2050,7 @@ mrb_cstr_to_inum(mrb_state *mrb, const char *str, int base, int badcheck) char *end; char sign = 1; int c; + unsigned int n; mrb_int val; #undef ISDIGIT @@ -2154,8 +2155,11 @@ mrb_cstr_to_inum(mrb_state *mrb, const char *str, int base, int badcheck) return mrb_fixnum_value(0); } - val = strtoul((char*)str, &end, base); - + n = strtoul((char*)str, &end, base); + if (n > MRB_INT_MAX) { + mrb_raisef(mrb, E_ARGUMENT_ERROR, "string (%s) too big for integer", str); + } + val = n; if (badcheck) { if (end == str) goto bad; /* no number */ while (*end && ISSPACE(*end)) end++; |