diff options
Diffstat (limited to 'encoding.c')
| -rw-r--r-- | encoding.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/encoding.c b/encoding.c index cfa49a5122..ee0fdadb39 100644 --- a/encoding.c +++ b/encoding.c @@ -662,7 +662,10 @@ rb_enc_ascget(const char *p, const char *e, int *len, rb_encoding *enc) int rb_enc_codepoint(const char *p, const char *e, rb_encoding *enc) { - int r = rb_enc_precise_mbclen(p, e, enc); + int r; + if (e <= p) + rb_raise(rb_eArgError, "empty string"); + r = rb_enc_precise_mbclen(p, e, enc); if (MBCLEN_CHARFOUND(r)) return ONIGENC_MBC_TO_CODE(enc,(UChar*)p,(UChar*)e); else |