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dir.c: check boundary

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* dir.c (glob_make_pattern): check boundary before accessing.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45957 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-05-16 08:22:41 +00:00
parent a7ebfe4b71
commit 29b5de1de2
1 changed files with 1 additions and 1 deletions
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dir.c
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@ -1200,7 +1200,7 @@ glob_make_pattern(const char *p, const char *e, int flags, rb_encoding *enc)
while (p < e && *p) {
tmp = GLOB_ALLOC(struct glob_pattern);
if (!tmp) goto error;
if (p[0] == '*' && p[1] == '*' && p[2] == '/') {
if (p + 2 < e && p[0] == '*' && p[1] == '*' && p[2] == '/') {
/* fold continuous RECURSIVEs (needed in glob_helper) */
do { p += 3; while (*p == '/') p++; } while (p[0] == '*' && p[1] == '*' && p[2] == '/');
tmp->type = RECURSIVE;