CF_EXPORT CFURLRef CFCopyHomeDirectoryURLForUser(CFStringRef uName) {
#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_EMBEDDED_MINI || DEPLOYMENT_TARGET_LINUX || DEPLOYMENT_TARGET_FREEBSD
if (!uName) {
uid_t euid;
__CFGetUGIDs(&euid, NULL);
struct passwd *upwd = getpwuid(euid ? euid : getuid());
return _CFCopyHomeDirURLForUser(upwd, true);
} else {
struct passwd *upwd = NULL;
char buf[128], *user;
SInt32 len = CFStringGetLength(uName), size = CFStringGetMaximumSizeForEncoding(len, kCFPlatformInterfaceStringEncoding);
CFIndex usedSize;
if (size < 127) {
user = buf;
} else {
user = CFAllocatorAllocate(kCFAllocatorSystemDefault, size+1, 0);
}
if (CFStringGetBytes(uName, CFRangeMake(0, len), kCFPlatformInterfaceStringEncoding, 0, true, (uint8_t *)user, size, &usedSize) == len) {
user[usedSize] = '\0';
upwd = getpwnam(user);
}
if (buf != user) {
CFAllocatorDeallocate(kCFAllocatorSystemDefault, user);
}
return _CFCopyHomeDirURLForUser(upwd, false);
}
#elif DEPLOYMENT_TARGET_WINDOWS
// This code can only get the directory for the current user
CFStringRef userName = uName ? CFCopyUserName() : NULL;
if (uName && !CFEqual(uName, userName)) {
CFLog(kCFLogLevelError, CFSTR("CFCopyHomeDirectoryURLForUser(): Unable to get home directory for other user"));
if (userName) CFRelease(userName);
return NULL;
}
if (userName) CFRelease(userName);
return CFCopyHomeDirectoryURL();
#else
#error Dont know how to compute users home directories on this platform
#endif
}
/* We spend a lot of time constructing these prefixes; we should cache. REW, 7/19/99 */
static CFStringRef _CFPreferencesCachePrefixForUserHost(CFStringRef userName, CFStringRef hostName) {
if (userName == kCFPreferencesAnyUser && hostName == kCFPreferencesAnyHost) {
return (CFStringRef)CFRetain(CFSTR("*/*/"));
}
CFMutableStringRef result = CFStringCreateMutable(__CFPreferencesAllocator(), 0);
if (userName == kCFPreferencesCurrentUser) {
userName = CFCopyUserName();
CFStringAppend(result, userName);
CFRelease(userName);
CFStringAppend(result, CFSTR("/"));
} else if (userName == kCFPreferencesAnyUser) {
CFStringAppend(result, CFSTR("*/"));
}
if (hostName == kCFPreferencesCurrentHost) {
CFStringRef hostID = _CFPreferencesGetByHostIdentifierString();
CFStringAppend(result, hostID);
CFStringAppend(result, CFSTR("/"));
} else if (hostName == kCFPreferencesAnyHost) {
CFStringAppend(result, CFSTR("*/"));
}
return result;
}
/* These are sanitized versions of the above functions. We might want to eliminate the above ones someday.
These can return NULL.
*/
CF_EXPORT CFStringRef CFGetUserName(void) {
return CFCopyUserName();
}
