Index: ossp-pkg/sio/al.c
RCS File: /v/ossp/cvs/ossp-pkg/sio/Attic/al.c,v
rcsdiff -q -kk '-r1.10' '-r1.11' -u '/v/ossp/cvs/ossp-pkg/sio/Attic/al.c,v' 2>/dev/null
--- al.c	2002/10/16 07:59:00	1.10
+++ al.c	2002/10/16 09:28:17	1.11
@@ -673,15 +673,26 @@
     ins = cur;
 
     /*
-     * if the first chunk is not removed completely it needs to be
-     * split into two halves to allow insertion of new chunks later
-     * from nal
+     * the inseration point is either behind the list or
+     * within the current chunk
+     *
+     * if it is behind the list:
+     * -> insert operation switches to append mode
+     *
+     * if the insertion point is at the beginning of the current chunk:
+     * -> insertion point moves later if the chunk is removed
+     *
+     * if the inseration point is in the middle of the current chunk:
+     * -> chunk is split into two so that the insertion
+     *    point is at the beginning of the second part
+     *
+     * insertion point cannot be at EOD of the chunk
      *
      * splitting at this point preserves all data in case the
      * allocation of the split buffer fails
      */
     if (doinsert) {
-        if (ins != NULL && skip > 0 && skip+n < AL_CHUNK_LEN(ins)) {
+        if (ins != NULL && skip > 0) {
             rc = split_chunk(al, ins, skip, &splitbuf);
             if (rc != AL_OK) return AL_RC(rc);
             INSERT(al,chunks,ins,splitbuf);
@@ -760,11 +771,11 @@
             REMOVE(al, chunks, cur);
 
             /*
-             * when the insertion point is removed, we have to adjust
+             * when the insertion chunk is removed, we have to adjust
              * the insertion point
              *
-             * if the insertion point was the last chunk we get a NULL
-             * next pointer and the insertion method switches to APPEND
+             * if the insertion chunk was the last chunk we get a NULL
+             * next pointer and the insertion method switches to append
              * mode
              */
             if (cur == ins)