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implementation of getxattr

This commit is contained in:
Barry Tulchinsky 2013-12-20 04:36:25 -05:00
parent 5e61be5668
commit a83ccf6154
1 changed files with 32 additions and 3 deletions
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35
src/fs.js
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@ -1124,10 +1124,13 @@ define(function(require) {
path = normalize(path); path = normalize(path);
function set_xattr (error, node) { function set_xattr (error, node) {
if (flag == XATTR_CREATE && node[name]) { if (error) {
callback (error);
}
else if (flag === XATTR_CREATE && node[name]) {
callback(new EExists('attribute already exists')); callback(new EExists('attribute already exists'));
} }
else if (flag == XATTR_REPLACE && !node[name]) { else if (flag === XATTR_REPLACE && !node[name]) {
callback(new ENoAttr('attribute does not exist')); callback(new ENoAttr('attribute does not exist'));
} }
else { else {
@ -1145,7 +1148,7 @@ define(function(require) {
else if (!value) { else if (!value) {
callback(new EInvalid('value cannot be empty')); callback(new EInvalid('value cannot be empty'));
} }
else if (flag && flag != XATTR_CREATE && flag != XATTR_REPLACE) { else if (!!flag && flag !== XATTR_CREATE && flag !== XATTR_REPLACE) {
callback(new EInvalid('invalid flag, must be null, XATTR_CREATE or XATTR_REPLACE')); callback(new EInvalid('invalid flag, must be null, XATTR_CREATE or XATTR_REPLACE'));
} }
else { else {
@ -1153,6 +1156,32 @@ define(function(require) {
} }
} }
function getxattr_file (context, path, name, callback) {
path = normalize(path);
function get_xattr(error, node) {
if (error) {
callback (error);
}
else if (!node.xattr[name]) {
callback(new ENoAttr('attribute does not exist'));
}
else {
callback(null, node.xattr[name]);
}
}
if (typeof name != 'string') {
callback(new EInvalid('attribute name must be a string'));
}
else if (!name) {
callback(new EInvalid('attribute name cannot be an empty string'));
}
else {
find_node(context, path, get_xattr);
}
}
function validate_flags(flags) { function validate_flags(flags) {
if(!_(O_FLAGS).has(flags)) { if(!_(O_FLAGS).has(flags)) {
return null; return null;