m4 ChangeLog m4/output.c tests/freeze.at

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Changes by:     Eric Blake <ericb>      07/05/28 20:10:02

Modified files:
        .              : ChangeLog 
        m4             : output.c 
        tests          : freeze.at 

Log message:
        Fix large diversion corner cases.
        * tests/freeze.at (large diversion): New test.
        * m4/output.c (m4_tmpfile, m4_tmpopen): Simplify use of errno.
        (make_room_for): Use NULL, not 0, for pointers.
        (m4_freeze_diversions): Allow freezing large diversions.
        (insert_diversion_helper): Avoid using rewind.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/m4/ChangeLog?cvsroot=m4&r1=1.521&r2=1.522
http://cvs.savannah.gnu.org/viewcvs/m4/m4/output.c?cvsroot=m4&r1=1.42&r2=1.43
http://cvs.savannah.gnu.org/viewcvs/m4/tests/freeze.at?cvsroot=m4&r1=1.10&r2=1.11