size_t less than zero comparison
--------------------------------

                 Key: AXIS2C-1238
                 URL: https://issues.apache.org/jira/browse/AXIS2C-1238
             Project: Axis2-C
          Issue Type: Bug
          Components: guththila
    Affects Versions: 1.4.0
         Environment: Linux Suse9, x86
            Reporter: Leonardo Kausilas


In function guththila_next_char (guththila/src/guththila_xml_parser.c), the 
result value from guththila_reader_read is stored in a size_t temp var and then 
is compared to greater than zero (line 1598), but size_t is unsigned in ansi C. 
Therefore, -1 condition is never true and a core dump occurs. If the result 
value of guththila_reader_read is stored in a int var, the bug is fixed.

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