changed g_str_hash() to a 31 bit version based on a submission by Karl

changed g_str_hash() to a 31 bit version based on a submission by Karl

Thu Feb 17 12:53:44 2000  Tim Janik  <timj@gtk.org>

        * gstring.c: changed g_str_hash() to a 31 bit version based on
        a submission by Karl Nelson and hand optimized ad absurdum by
        various people ;)

        * gstring.c: applied patch from havoc for new gstring functions,
        added some more sanity checks, coding style fixups.

2000-02-13  Havoc Pennington  <hp@pobox.com>

        * tests/string-test.c (main): Add tests for the new GString
        features

        * testglib.c (main): Add tests for the new GString features

        * gstring.c (g_string_insert_len): New function; insert
        a given length of string at a given position.
        (g_string_append): reimplement in terms of g_string_insert_len
        (g_string_append_len): new function
        (g_string_insert_c): accept -1 for "pos" arg to mean "append"
        (g_string_append_c): reimplement in terms of g_string_insert_c
        (g_string_prepend): reimplement in terms of g_string_insert_len
        (g_string_prepend_len): new function
        (g_string_prepend_c): reimplement in terms of g_string_insert_c
        (g_string_insert): reimplement in terms of g_string_insert_len

        * glib.h: Declare g_string_insert_len, g_string_append_len,
        g_string_prepend_len