我在 OSX 中创建了一个不区分大小写的文件系统(使用 OSXFuse)。但是,当我尝试使用 来检查卷的不区分大小写时NSURLVolumeSupportsCaseSensitiveNamesKey
,它报告为区分大小写。我的问题是,我需要在 OSX 上做什么,以便当我使用 检查区分大小写时NSURLVolumeSupportsCaseSensitiveNamesKey
,它会正确地将我的文件系统报告为不区分大小写?
贝娄是我所做的更多细节:
这就是我用来NSURLVolumeSupportsCaseSensitiveNamesKey
检查不区分大小写的方式:
NSString *path = @"/Volumes/MyVolume";
NSURL *file_system = [NSURL fileURLWithPath:path isDirectory:YES];
NSNumber *case_sensitive_fs;
BOOL has_case_sensitive_resource = [file_system getResourceValue:&case_sensitive_fs
forKey:NSURLVolumeSupportsCaseSensitiveNamesKey
error:NULL];
if (!has_case_sensitive_resource) {
LOG("Has no case sensitive resource");
} else {
if ([case_sensitive_fs intValue] ==1) {
LOG("This is case sensitive file system");
} else {
LOG("This is case insensitive file system");
}
}
请注意,当我使用 时getattrlist
,它正确报告我的文件系统不区分大小写:
typedef struct volume_capabilities_result {
u_int32_t length;
vol_capabilities_attr_t volume_capability;
} VolumeCapabilitiesResult;
//...
struct attrlist list = { 0 };
list.bitmapcount = ATTR_BIT_MAP_COUNT;
list.reserved = 0;
list.volattr = ATTR_VOL_INFO | ATTR_VOL_CAPABILITIES;
VolumeCapabilitiesResult volumeCapResult;
int result = getattrlist("/Volumes/MyVolume", &list, &volumeCapResult, sizeof(volumeCapResult), 0);
if (result != -1 &&
(volumeCapResult.volume_capability.valid[VOL_CAPABILITIES_FORMAT] & VOL_CAP_FMT_CASE_SENSITIVE) != 0) {
bool case_senstive = (volumeCapResult.volume_capability.capabilities[VOL_CAPABILITIES_FORMAT] &
VOL_CAP_FMT_CASE_SENSITIVE) != 0;
if (case_senstive) {
LOG("getattrlist said we are case sensitive");
} else {
LOG("getattrlist said we are case insensitive");
}
}
我相信getattrlist
报告正确,因为我使用 osxfuse 来实现 fuse_operations.init 如下:
void fuse_init(void* user_data, struct fuse_conn_info* conn) {
conn->want |= FUSE_CAP_CASE_INSENSITIVE;
}