/* diff-test.c -- test driver for text diffs
*
* ====================================================================
* Copyright (c) 2003-2004 CollabNet. All rights reserved.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://subversion.tigris.org/license-1.html.
* If newer versions of this license are posted there, you may use a
* newer version instead, at your option.
*
* This software consists of voluntary contributions made by many
* individuals. For exact contribution history, see the revision
* history and logs, available at http://subversion.tigris.org/.
* ====================================================================
*/
#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_diff(svn_stream_t *ostream,
const char *original, const char *modified,
svn_boolean_t *has_changes,
apr_pool_t *pool)
{
svn_diff_t *diff;
SVN_ERR(svn_diff_file_diff(&diff, original, modified, pool));
*has_changes = svn_diff_contains_diffs(diff);
SVN_ERR(svn_diff_file_output_unified(ostream, diff,
original, modified,
NULL, NULL, pool));
return NULL;
}
int main(int argc, char *argv[])
{
apr_pool_t *pool;
svn_stream_t *ostream;
int rc;
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, "diff-test: ");
rc = 2;
}
else if (argc == 3)
{
svn_boolean_t has_changes;
svn_err = do_diff(ostream, argv[1], argv[2], &has_changes, pool);
if (svn_err == NULL)
{
rc = has_changes ? 1 : 0;
}
else
{
svn_handle_error2(svn_err, stdout, FALSE, "diff-test: ");
rc = 2;
}
}
else
{
svn_error_clear(svn_stream_printf(ostream, pool,
"Usage: %s <file1> <file2>\n",
argv[0]));
rc = 2;
}
apr_terminate();
return rc;
}
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