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-rw-r--r--camlibs/canon/canon.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/camlibs/canon/canon.c b/camlibs/canon/canon.c
index 9393f0b0e..efa7b3985 100644
--- a/camlibs/canon/canon.c
+++ b/camlibs/canon/canon.c
@@ -1309,9 +1309,13 @@ void canon_int_find_new_image (
path->folder[0] = 0; /* Start with null pathname string. */
GP_DEBUG ( "canon_int_find_new_image: starting directory compare" );
- while ( le16atoh ( old_entry+CANON_DIRENT_ATTRS ) != 0
- || le32atoh ( old_entry + CANON_DIRENT_SIZE ) != 0
- || le32atoh ( old_entry + CANON_DIRENT_TIME ) != 0 ) {
+ while ( (((new_entry - (char*)final_state) < final_state_length) &&
+ ((old_entry - (char*)initial_state) < initial_state_length)) &&
+ ( le16atoh ( old_entry + CANON_DIRENT_ATTRS ) != 0 ||
+ le32atoh ( old_entry + CANON_DIRENT_SIZE ) != 0 ||
+ le32atoh ( old_entry + CANON_DIRENT_TIME ) != 0
+ )
+ ) {
char *old_name = old_entry + CANON_DIRENT_NAME,
*new_name = new_entry + CANON_DIRENT_NAME;
GP_DEBUG ( " old entry \"%s\", attr = 0x%02x, size=%i",