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BUFCHECK() doesn't update p/pend in loop.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4437 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2003-08-23 16:06:25 +00:00
parent 33c9c0005b
commit b8dfb46df7
2 changed files with 7 additions and 7 deletions
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4
ChangeLog
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@ -1,4 +1,4 @@
Sun Aug 24 00:44:03 2003 Nobuyoshi Nakada <nobu@ruby-lang.org>
Sun Aug 24 01:02:48 2003 Nobuyoshi Nakada <nobu@ruby-lang.org>
* file.c (file_expand_path): performance improvement.
[ruby-talk:79748]
@ -518,7 +518,7 @@ add-log-time-format: (lambda ()
(diff (+ (cadr time) 32400))
(lo (% diff 65536))
(hi (+ (car time) (/ diff 65536))))
(format-time-string "%a %b %e %H:%M:%S %Y" (list hi lo) t)))
(format-time-string "%a %b %e %H:%M:%S %Y" (list hi lo) t)))
indent-tabs-mode: t
tab-width: 8
end:

10
file.c
View file

@ -1589,7 +1589,7 @@ file_expand_path(fname, dname, result)
s++;
#endif
s = nextdirsep(b = s);
BUFCHECK(p + (s-b) >= pend);
BUFCHECK(bdiff + (s-b) >= buflen);
memcpy(p, b, s-b);
p += s-b;
*p = '\0';
@ -1613,7 +1613,7 @@ file_expand_path(fname, dname, result)
if (isdirsep(s[2])) {
/* specified drive letter, and full path */
/* skip drive letter */
BUFCHECK(p + 2 >= pend);
BUFCHECK(bdiff + 2 >= buflen);
memcpy(p, s, 2);
p += 2;
s += 2;
@ -1667,7 +1667,7 @@ file_expand_path(fname, dname, result)
b = s;
do s++; while (isdirsep(*s));
p = buf + (s - b);
BUFCHECK(p >= pend);
BUFCHECK(bdiff >= buflen);
memset(buf, '/', p - buf);
}
if (p > buf && p[-1] == '/')
@ -1718,7 +1718,7 @@ file_expand_path(fname, dname, result)
#endif
if (s > b) {
long rootdiff = root - buf;
BUFCHECK(p + (s-b+1) >= pend);
BUFCHECK(bdiff + (s-b+1) >= buflen);
root = buf + rootdiff;
memcpy(++p, b, s-b);
p += s-b;
@ -1733,7 +1733,7 @@ file_expand_path(fname, dname, result)
}
if (s > b) {
BUFCHECK(p + (s-b) >= pend);
BUFCHECK(bdiff + (s-b) >= buflen);
memcpy(++p, b, s-b);
p += s-b;
}