[DVDnav-discuss] [PATCH] libdvdread: src/ifo_read.c Fix off-by-one error on displaying IFO filename

[Steve Dibb]

Fixes incorrect warning:

libdvdread: Invalid IFO for title 2 (VTS_02_0.BU).

to:

libdvdread: Invalid IFO for title 2 (VTS_02_0.BUP).

diff --git a/src/ifo_read.c b/src/ifo_read.c
index cc6edd7..5a67dee 100644
--- a/src/ifo_read.c
+++ b/src/ifo_read.c
@@ -305,11 +305,9 @@ ifo_handle_t *ifoOpen(dvd_reader_t *dvd, int title) {
    }

    if (title)
-    snprintf(ifo_filename, 12, "VTS_%02d_0.%s", title, bup_file_opened 
? "BUP" : "IFO");
+    snprintf(ifo_filename, 13, "VTS_%02d_0.%s", title, bup_file_opened 
? "BUP" : "IFO");
    else
-    snprintf(ifo_filename, 12, "VIDEO_TS.%s", bup_file_opened ? "BUP" : 
"IFO");
-
-  ifo_filename[12] = '\0';
+    snprintf(ifo_filename, 13, "VIDEO_TS.%s", bup_file_opened ? "BUP" : 
"IFO");

    if(!ifofile->file) {
      fprintf(stderr, "libdvdread: Can't open file %s.\n", ifo_filename);
@@ -369,9 +367,9 @@ ifoOpen_try_bup:
    ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_BACKUP_FILE);

    if (title)
-    snprintf(ifo_filename, 12, "VTS_%02d_0.BUP", title);
+    snprintf(ifo_filename, 13, "VTS_%02d_0.BUP", title);
    else
-    strncpy(ifo_filename, "VIDEO_TS.BUP", 12);
+    strncpy(ifo_filename, "VIDEO_TS.BUP", 13);

    if (!ifofile->file) {
      fprintf(stderr, "libdvdread: Can't open file %s.\n", ifo_filename);