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* string.c (tr_trans): cast to unsigned char after dereference

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a pointer to a char to avoid SEGV with "\377".tr("a", "b").
  on FreeBSD/amd64.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13872 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2007-11-10 14:53:26 +00:00
parent c585a9eba1
commit 098a563935
2 changed files with 7 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Sat Nov 10 23:50:31 2007 Tanaka Akira <akr@fsij.org>
* string.c (tr_trans): cast to unsigned char after dereference
a pointer to a char to avoid SEGV with "\377".tr("a", "b").
on FreeBSD/amd64.
Sat Nov 10 23:08:53 2007 Tanaka Akira <akr@fsij.org> Sat Nov 10 23:08:53 2007 Tanaka Akira <akr@fsij.org>
* configure.in, common.mk, Makefile.in: don't generate * configure.in, common.mk, Makefile.in: don't generate

2
string.c
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@ -3475,7 +3475,7 @@ tr_trans(VALUE str, VALUE src, VALUE repl, int sflag)
} }
else if (rb_enc_mbmaxlen(enc) == 1) { else if (rb_enc_mbmaxlen(enc) == 1) {
while (s < send) { while (s < send) {
c = *s; c = (unsigned char)*s;
if (trans[c] >= 0) { if (trans[c] >= 0) {
if (!cflag) { if (!cflag) {
c = FIX2INT(trans[c]); c = FIX2INT(trans[c]);