Re: may be memory leak

[Hideki IWAMOTO]

I committed some fixes. I think that current memory usage is acceptable.

==== version 5.5 ====
[linux-2.0.40]$ ltrace -c -e malloc,free,realloc,calloc global -x '.*'>/dev/null
% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 53.45    0.040242          45       886 malloc
 45.41    0.034185          38       891 free
  0.96    0.000722          48        15 calloc
  0.18    0.000134          44         3 realloc
------ ----------- ----------- --------- --------------------
100.00    0.075283                  1795 total
[linux-2.0.40]$ ltrace -c -e malloc,free,realloc,calloc global -rx '.*' > 
/dev/null
% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 45.99   15.455169         171     90196 calloc
 34.14   11.471807         126     91043 malloc
 19.78    6.646765          96     69198 realloc
  0.10    0.032632          37       865 free
------ ----------- ----------- --------- --------------------
100.00   33.606373                251302 total
[linux-2.0.40]$ ltrace -c -e malloc,free,realloc,calloc global -sx '.*' > 
/dev/null
% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 57.57   19.814507         198     99646 calloc
 28.57    9.831705          97    100599 malloc
 13.75    4.733486          66     71576 realloc
  0.10    0.035940          37       971 free
------ ----------- ----------- --------- --------------------
100.00   34.415638                272792 total

==== CVS head ====
[linux-2.0.40]$ ltrace -c -e malloc,free,realloc,calloc global -x '.*' > 
/dev/null
% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 53.00    0.039911          45       881 malloc
 46.02    0.034654          38       891 free
  0.82    0.000614          47        13 calloc
  0.17    0.000131          43         3 realloc
------ ----------- ----------- --------- --------------------
100.00    0.075310                  1788 total
[linux-2.0.40]$ ltrace -c -e malloc,free,realloc,calloc global -rx '.*' > 
/dev/null
% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 52.69    0.038929          45       857 malloc
 46.10    0.034061          39       867 free
  0.76    0.000558          42        13 calloc
  0.45    0.000334          47         7 realloc
------ ----------- ----------- --------- --------------------
100.00    0.073882                  1744 total
[linux-2.0.40]$ ltrace -c -e malloc,free,realloc,calloc global -sx '.*' > 
/dev/null
% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 52.72    0.043971          45       963 malloc
 46.28    0.038602          39       973 free
  0.67    0.000560          43        13 calloc
  0.33    0.000279          46         6 realloc
------ ----------- ----------- --------- --------------------
100.00    0.083412                  1955 total

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Hideki IWAMOTO  address@hidden