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/* diff4.c -- test driver for 4-way text merges
*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*/
#include <apr.h>
#include <apr_general.h>
#include <apr_file_io.h>
#include "svn_pools.h"
#include "svn_diff.h"
#include "svn_io.h"
static svn_error_t *
do_diff4(svn_stream_t *ostream,
const char *original,
const char *modified,
const char *latest,
const char *ancestor,
apr_pool_t *pool)
{
svn_diff_t *diff;
SVN_ERR(svn_diff_file_diff4_2(&diff, original, modified, latest, ancestor,
svn_diff_file_options_create(pool), pool));
SVN_ERR(svn_diff_file_output_merge3(ostream, diff,
original, modified, latest,
NULL, NULL, NULL, NULL,
svn_diff_conflict_display_modified_latest,
NULL, NULL, /* cancel */
pool));
return NULL;
}
int main(int argc, char *argv[])
{
apr_pool_t *pool;
svn_stream_t *ostream;
int rc = 0;
svn_error_t *svn_err;
apr_initialize();
pool = svn_pool_create(NULL);
svn_err = svn_stream_for_stdout(&ostream, pool);
if (svn_err)
{
svn_handle_error2(svn_err, stdout, FALSE, "diff4: ");
rc = 2;
}
else if (argc == 5)
{
svn_err = do_diff4(ostream,
argv[2], argv[1], argv[3], argv[4],
pool);
if (svn_err != NULL)
{
svn_handle_error2(svn_err, stdout, FALSE, "diff4: ");
rc = 2;
}
}
else
{
svn_error_clear(svn_stream_printf
(ostream, pool, "Usage: %s <mine> <older> <yours> <ancestor>\n",
argv[0]));
rc = 2;
}
apr_terminate();
return rc;
}
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