diff options
author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-11-17 22:52:02 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-11-17 22:52:02 +0000 |
commit | cde9a50b7528d3b400b9f966b28919ec3ab6ea86 (patch) | |
tree | 7aad0196128611677120a5d85020581ae5de7c6f /io.c | |
parent | 86d46b5459cda15a616e29934b1ddfe4ec788735 (diff) |
* io.c (parse_mode_enc): fix invalid access.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -4155,8 +4155,10 @@ parse_mode_enc(const char *estr, rb_encoding **enc_p, rb_encoding **enc2_p) if (len == 0 || len > ENCODING_MAXNAMELEN) idx = -1; else { - if (io_encname_bom_p(estr, len)) + if (io_encname_bom_p(estr, len)) { estr += 4; + len -= 4; + } memcpy(encname, estr, len); encname[len] = '\0'; estr = encname; @@ -4167,6 +4169,7 @@ parse_mode_enc(const char *estr, rb_encoding **enc_p, rb_encoding **enc2_p) long len = strlen(estr); if (io_encname_bom_p(estr, len)) { estr += 4; + len -= 4; memcpy(encname, estr, len); encname[len] = '\0'; estr = encname; |