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path: fix win32.isAbsolute() inconsistency

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This commit fixes an inconsistency in absolute path checking compared
to the absolute path detection used by the other path.win32 functions.

Fixes: https://github.com/nodejs/node/issues/6027
PR-URL: https://github.com/nodejs/node/pull/6028
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
This commit is contained in:
Brian White 2016-04-03 08:37:04 -04:00 committed by James M Snell
parent 68bd7020e1
commit 3072546feb
2 changed files with 20 additions and 50 deletions
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60
lib/path.js
View File

@ -439,57 +439,17 @@ const win32 = {
if (len === 0)
return false;
var code = path.charCodeAt(0);
if (len > 1) {
if (code === 47/*/*/ || code === 92/*\*/) {
// Possible UNC root
code = path.charCodeAt(1);
if (code === 47/*/*/ || code === 92/*\*/) {
// Matched double path separator at beginning
var j = 2;
var last = j;
// Match 1 or more non-path separators
for (; j < len; ++j) {
code = path.charCodeAt(j);
if (code === 47/*/*/ || code === 92/*\*/)
break;
}
if (j < len && j !== last) {
// Matched!
last = j;
// Match 1 or more path separators
for (; j < len; ++j) {
code = path.charCodeAt(j);
if (code !== 47/*/*/ && code !== 92/*\*/)
break;
}
if (j < len && j !== last) {
// Matched!
last = j;
// Match 1 or more non-path separators
for (; j < len; ++j) {
code = path.charCodeAt(j);
if (code === 47/*/*/ || code === 92/*\*/)
break;
}
if (j !== last)
return true;
}
}
}
} else if ((code >= 65/*A*/ && code <= 90/*Z*/) ||
(code >= 97/*a*/ && code <= 122/*z*/)) {
// Possible device root
code = path.charCodeAt(1);
if (path.charCodeAt(1) === 58/*:*/ && len > 2) {
code = path.charCodeAt(2);
if (code === 47/*/*/ || code === 92/*\*/)
return true;
}
}
} else if (code === 47/*/*/ || code === 92/*\*/) {
if (code === 47/*/*/ || code === 92/*\*/) {
return true;
} else if ((code >= 65/*A*/ && code <= 90/*Z*/) ||
(code >= 97/*a*/ && code <= 122/*z*/)) {
// Possible device root
if (len > 2 && path.charCodeAt(1) === 58/*:*/) {
code = path.charCodeAt(2);
if (code === 47/*/*/ || code === 92/*\*/)
return true;
}
}
return false;
},

10
test/parallel/test-path.js
View File

@ -442,8 +442,18 @@ assert.equal(failures.length, 0, failures.join(''));
// path.isAbsolute tests
assert.equal(path.win32.isAbsolute('/'), true);
assert.equal(path.win32.isAbsolute('//'), true);
assert.equal(path.win32.isAbsolute('//server'), true);
assert.equal(path.win32.isAbsolute('//server/file'), true);
assert.equal(path.win32.isAbsolute('\\\\server\\file'), true);
assert.equal(path.win32.isAbsolute('\\\\server'), true);
assert.equal(path.win32.isAbsolute('\\\\'), true);
assert.equal(path.win32.isAbsolute('c'), false);
assert.equal(path.win32.isAbsolute('c:'), false);
assert.equal(path.win32.isAbsolute('c:\\'), true);
assert.equal(path.win32.isAbsolute('c:/'), true);
assert.equal(path.win32.isAbsolute('c://'), true);
assert.equal(path.win32.isAbsolute('C:/Users/'), true);
assert.equal(path.win32.isAbsolute('C:\\Users\\'), true);
assert.equal(path.win32.isAbsolute('C:cwd/another'), false);