Move `load_state` and its helper functions to their own module.

1 files changed, 0 insertions, 79 deletions

diff --git a/toxcore/util.c b/toxcore/util.c
index 57d1762e..aa2786dd 100644
--- a/toxcore/util.c
+++ b/toxcore/util.c
@@ -92,85 +92,6 @@ void host_to_net(uint8_t *num, uint16_t numbytes)
 #endif
 }
 
-uint16_t lendian_to_host16(uint16_t lendian)
-{
-#ifdef WORDS_BIGENDIAN
-    return (lendian << 8) | (lendian >> 8);
-#else
-    return lendian;
-#endif
-}
-
-void host_to_lendian32(uint8_t *dest,  uint32_t num)
-{
-#ifdef WORDS_BIGENDIAN
-    num = ((num << 8) & 0xFF00FF00) | ((num >> 8) & 0xFF00FF);
-    num = (num << 16) | (num >> 16);
-#endif
-    memcpy(dest, &num, sizeof(uint32_t));
-}
-
-void lendian_to_host32(uint32_t *dest, const uint8_t *lendian)
-{
-    uint32_t d;
-    memcpy(&d, lendian, sizeof(uint32_t));
-#ifdef WORDS_BIGENDIAN
-    d = ((d << 8) & 0xFF00FF00) | ((d >> 8) & 0xFF00FF);
-    d = (d << 16) | (d >> 16);
-#endif
-    *dest = d;
-}
-
-/* state load/save */
-int load_state(load_state_callback_func load_state_callback, const Logger *log, void *outer,
-               const uint8_t *data, uint32_t length, uint16_t cookie_inner)
-{
-    if (!load_state_callback || !data) {
-        LOGGER_ERROR(log, "load_state() called with invalid args.\n");
-        return -1;
-    }
-
-
-    uint32_t length_sub, cookie_type;
-    uint32_t size_head = sizeof(uint32_t) * 2;
-
-    while (length >= size_head) {
-        lendian_to_host32(&length_sub, data);
-        lendian_to_host32(&cookie_type, data + sizeof(length_sub));
-        data += size_head;
-        length -= size_head;
-
-        if (length < length_sub) {
-            /* file truncated */
-            LOGGER_ERROR(log, "state file too short: %u < %u\n", length, length_sub);
-            return -1;
-        }
-
-        if (lendian_to_host16((cookie_type >> 16)) != cookie_inner) {
-            /* something is not matching up in a bad way, give up */
-            LOGGER_ERROR(log, "state file garbled: %04x != %04x\n", (cookie_type >> 16), cookie_inner);
-            return -1;
-        }
-
-        const uint16_t type = lendian_to_host16(cookie_type & 0xFFFF);
-        const int ret = load_state_callback(outer, data, length_sub, type);
-
-        if (ret == -1) {
-            return -1;
-        }
-
-        /* -2 means end of save. */
-        if (ret == -2) {
-            return 0;
-        }
-
-        data += length_sub;
-        length -= length_sub;
-    }
-
-    return length == 0 ? 0 : -1;
-}
-
 int create_recursive_mutex(pthread_mutex_t *mutex)
 {
     pthread_mutexattr_t attr;