fix glib version check that resulted in build failures with older gtk/glib versions
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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "cx/utils.h"
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#ifndef CX_STREAM_BCOPY_BUF_SIZE
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#define CX_STREAM_BCOPY_BUF_SIZE 8192
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#endif
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#ifndef CX_STREAM_COPY_BUF_SIZE
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#define CX_STREAM_COPY_BUF_SIZE 1024
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#endif
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size_t cx_stream_bncopy(
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void *src,
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void *dest,
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cx_read_func rfnc,
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cx_write_func wfnc,
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char *buf,
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size_t bufsize,
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size_t n
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) {
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if (n == 0) {
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return 0;
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}
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char *lbuf;
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size_t ncp = 0;
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if (buf) {
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if (bufsize == 0) return 0;
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lbuf = buf;
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} else {
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if (bufsize == 0) bufsize = CX_STREAM_BCOPY_BUF_SIZE;
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lbuf = malloc(bufsize);
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if (lbuf == NULL) {
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return 0;
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}
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}
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size_t r;
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size_t rn = bufsize > n ? n : bufsize;
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while ((r = rfnc(lbuf, 1, rn, src)) != 0) {
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r = wfnc(lbuf, 1, r, dest);
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ncp += r;
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n -= r;
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rn = bufsize > n ? n : bufsize;
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if (r == 0 || n == 0) {
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break;
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}
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}
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if (lbuf != buf) {
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free(lbuf);
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}
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return ncp;
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}
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size_t cx_stream_ncopy(
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void *src,
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void *dest,
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cx_read_func rfnc,
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cx_write_func wfnc,
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size_t n
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) {
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char buf[CX_STREAM_COPY_BUF_SIZE];
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return cx_stream_bncopy(src, dest, rfnc, wfnc,
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buf, CX_STREAM_COPY_BUF_SIZE, n);
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}
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#ifndef CX_SZMUL_BUILTIN
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#include "szmul.c"
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#endif
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