chiark / gitweb /
volume_id: add internal UUID_STRING
[elogind.git] / extras / volume_id / lib / util.c
index 762e84e170ca19eb7b1f492beb79eda9545febc9..d65fc2c1d653b1be6668c95eb97a2410d65ae88c 100644 (file)
@@ -115,11 +115,14 @@ void volume_id_set_label_unicode16(struct volume_id *id, const uint8_t *buf, enu
         volume_id_set_unicode16(id->label, sizeof(id->label), buf, endianess, count);
 }
 
-void volume_id_set_uuid(struct volume_id *id, const uint8_t *buf, enum uuid_format format)
+void volume_id_set_uuid(struct volume_id *id, const uint8_t *buf, size_t len, enum uuid_format format)
 {
        unsigned int i;
        unsigned int count = 0;
 
+       if (len > sizeof(id->uuid_raw))
+               len = sizeof(id->uuid_raw);
+
        switch(format) {
        case UUID_DOS:
                count = 4;
@@ -131,8 +134,11 @@ void volume_id_set_uuid(struct volume_id *id, const uint8_t *buf, enum uuid_form
        case UUID_DCE:
                count = 16;
                break;
-       case UUID_DCE_STRING:
-               count = 36;
+       case UUID_HEX_STRING:
+               count = len;
+               break;
+       case UUID_STRING:
+               count = len;
                break;
        case UUID_FOURINT:
                count = 35;
@@ -172,7 +178,12 @@ set:
                        buf[8], buf[9],
                        buf[10], buf[11], buf[12], buf[13], buf[14],buf[15]);
                break;
-       case UUID_DCE_STRING:
+       case UUID_HEX_STRING:
+               for (i = 0; i < count; i++)
+                       id->uuid[i] = tolower(buf[i]);
+               id->uuid[count] = '\0';
+               break;
+       case UUID_STRING:
                memcpy(id->uuid, buf, count);
                id->uuid[count] = '\0';
                break;