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* file.c (file_expand_path): suppress a warning. named magic

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numbers.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22391 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2009-02-18 03:01:03 +00:00
parent e5edfbf207
commit 17aa3d898d
2 changed files with 15 additions and 4 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Wed Feb 18 12:00:58 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* file.c (file_expand_path): suppress a warning. named magic
numbers.
Wed Feb 18 10:29:12 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* thread.c (thread_start_func_2): do not delete main thread from

14
file.c
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@ -2780,7 +2780,7 @@ file_expand_path(VALUE fname, VALUE dname, int abs_mode, VALUE result)
}
#if USE_NTFS
else {
do *++s; while (istrailinggabage(*s));
do ++s; while (istrailinggabage(*s));
}
#endif
break;
@ -2831,12 +2831,18 @@ file_expand_path(VALUE fname, VALUE dname, int abs_mode, VALUE result)
if (s > b) {
#if USE_NTFS
static const char prime[] = ":$DATA";
enum {prime_len = sizeof(prime) -1};
endpath:
if (s > b + 6 && strncasecmp(s - 6, ":$DATA", 6) == 0) {
if (s > b + prime_len && strncasecmp(s - prime_len, prime, prime_len) == 0) {
/* alias of stream */
/* get rid of a bug of x64 VC++ */
if (*(s-7) == ':') s -= 7; /* prime */
else if (memchr(b, ':', s - 6 - b)) s -= 6; /* alternative */
if (*(s - (prime_len+1)) == ':') {
s -= prime_len + 1; /* prime */
}
else if (memchr(b, ':', s - prime_len - b)) {
s -= prime_len; /* alternative */
}
}
#endif
BUFCHECK(bdiff + (s-b) >= buflen);