Updated change log

ChangeLog

@@ -1,5 +1,8 @@
-libisofs-1.5.4.tar.gz Sat Jan 30 2021
+libisofs-1.5.4.tar.gz Sun Feb 07 2021
 ===============================================================================
+* Bug fix: Large amounts of AAIP data or many long file names could cause with
+           zisofs an unreadable filesystem after the warning "Calculated and
+           written ECMA-119 tree end differ"
 * Bug fix: Big-Endian MIPS Volume Header boot file size was rounded up to
            full 2048. Thanks René Rebe.
 * Bug fix: El Torito production failed if no catalog path is given and the

libisofs/changelog.txt

@@ -748,7 +748,21 @@ ChangeLog
 libisofs/changelog.txt
 Updated change log
 
------------------------------------- release - libisofs-1.5.4 - 30 Jan 2021
+07 Feb 2021  [release-1.5.4.branch: 408eb3f]
+libisofs/rockridge.c
+Bug fix: Large amounts of AAIP data or many long file names could cause with
+zisofs an unreadable filesystem after the warning "Calculated and written
+ECMA-119 tree end differ"
+
+07 Feb 2021  [release-1.5.4.branch: ]
+ChangeLog
+libisofs/changelog.txt
+Updated change log
+
+------------------------------------ release - libisofs-1.5.4 - 07 Feb 2021
+* Bug fix: Large amounts of AAIP data or many long file names could cause with
+           zisofs an unreadable filesystem after the warning "Calculated and
+           written ECMA-119 tree end differ"
 * Bug fix: Big-Endian MIPS Volume Header boot file size was rounded up to
            full 2048. Thanks René Rebe.
 * Bug fix: El Torito production failed if no catalog path is given and the

libisofs/rockridge.c

@@ -1166,7 +1166,7 @@ int susp_calc_nm_sl_al(Ecma119Image *t, Ecma119Node *n, size_t space,
                        size_t *su_size, size_t *ce, size_t base_ce, int flag)
 {
     char *name;
-    size_t namelen, su_mem, ce_mem;
+    size_t namelen, su_mem, ce_mem, ce_prepad = 0;
     void *xipt;
     size_t num_aapt = 0, sua_free = 0;
     int ret;
@@ -1197,7 +1197,7 @@ int susp_calc_nm_sl_al(Ecma119Image *t, Ecma119Node *n, size_t space,
 
 #endif /* Libisofs_ce_calc_debuG */
 
-            *ce += BLOCK_SIZE - (base_ce % BLOCK_SIZE);
+            ce_prepad = BLOCK_SIZE - (base_ce % BLOCK_SIZE);
         }
     }
 
@@ -1210,8 +1210,10 @@ int susp_calc_nm_sl_al(Ecma119Image *t, Ecma119Node *n, size_t space,
 
     if (flag & 1) {
        /* Account for 28 bytes of CE field */
-       if (*su_size + 28 > space)
+       if (*su_size + 28 > space) {
+           *ce += ce_prepad;
            return -1;
+       }
        *su_size += 28;
     }
 
@@ -1242,8 +1244,10 @@ int susp_calc_nm_sl_al(Ecma119Image *t, Ecma119Node *n, size_t space,
         int cew = (*ce != 0); /* are we writing to CA ? */
 
         dest = get_rr_fname(t, ((IsoSymlink*)n->node)->dest);
-        if (dest == NULL)
+        if (dest == NULL) {
+            *ce += ce_prepad;
             return -2;
+        }
         prev = dest;
         cur = strchr(prev, '/');
         while (1) {
@@ -1353,6 +1357,9 @@ int susp_calc_nm_sl_al(Ecma119Image *t, Ecma119Node *n, size_t space,
     if (*ce > 0 && !(flag & 1))
         goto unannounced_ca;
 
+    *ce += ce_prepad;
+    ce_prepad = 0;
+
     /* obtain num_aapt from node */
     xipt = NULL;
     num_aapt = 0;
@@ -1405,6 +1412,7 @@ int susp_calc_nm_sl_al(Ecma119Image *t, Ecma119Node *n, size_t space,
         }
     }
 
+    *ce += ce_prepad;
     return 1;
 
 unannounced_ca:;