937a200089
This is actually a fully functional build except: * All internal shared libraries are static linked to make sure there is no interference with ports (and to reduce build time). * It does not have the python/perl/etc plugin or API support. * By default, it installs as "svnlite" rather than "svn". * If WITH_SVN added in make.conf, you get "svn". * If WITHOUT_SVNLITE is in make.conf, this is completely disabled. To be absolutely clear, this is not intended for any use other than checking out freebsd source and committing, like we once did with cvs. It should be usable for small scale local repositories that don't need the python/perl plugin architecture.
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "apr_private.h"
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#include "apr_file_io.h"
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#include "apr_strings.h"
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#include "apr_env.h"
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/* Try to open a temporary file in the temporary dir, write to it,
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and then close it. */
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static int test_tempdir(const char *temp_dir, apr_pool_t *p)
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{
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apr_file_t *dummy_file;
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char *path = apr_pstrcat(p, temp_dir, "/apr-tmp.XXXXXX", NULL);
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if (apr_file_mktemp(&dummy_file, path, 0, p) == APR_SUCCESS) {
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if (apr_file_putc('!', dummy_file) == APR_SUCCESS) {
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if (apr_file_close(dummy_file) == APR_SUCCESS) {
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return 1;
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}
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}
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}
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return 0;
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}
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APR_DECLARE(apr_status_t) apr_temp_dir_get(const char **temp_dir,
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apr_pool_t *p)
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{
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apr_status_t apr_err;
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const char *try_dirs[] = { "/tmp", "/usr/tmp", "/var/tmp" };
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const char *try_envs[] = { "TMPDIR", "TMP", "TEMP"};
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const char *dir;
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char *cwd;
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int i;
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/* Our goal is to find a temporary directory suitable for writing
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into.
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Here's the order in which we'll try various paths:
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$TMPDIR
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$TMP
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$TEMP
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"C:\TEMP" (windows only)
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"SYS:\TMP" (netware only)
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"/tmp"
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"/var/tmp"
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"/usr/tmp"
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P_tmpdir (POSIX define)
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`pwd`
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NOTE: This algorithm is basically the same one used by Python
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2.2's tempfile.py module. */
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/* Try the environment first. */
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for (i = 0; i < (sizeof(try_envs) / sizeof(const char *)); i++) {
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char *value;
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apr_err = apr_env_get(&value, try_envs[i], p);
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if ((apr_err == APR_SUCCESS) && value) {
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apr_size_t len = strlen(value);
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if (len && (len < APR_PATH_MAX) && test_tempdir(value, p)) {
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dir = value;
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goto end;
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}
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}
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}
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#ifdef WIN32
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/* Next, on Win32, try the C:\TEMP directory. */
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if (test_tempdir("C:\\TEMP", p)) {
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dir = "C:\\TEMP";
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goto end;
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}
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#endif
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#ifdef NETWARE
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/* Next, on NetWare, try the SYS:/TMP directory. */
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if (test_tempdir("SYS:/TMP", p)) {
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dir = "SYS:/TMP";
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goto end;
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}
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#endif
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/* Next, try a set of hard-coded paths. */
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for (i = 0; i < (sizeof(try_dirs) / sizeof(const char *)); i++) {
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if (test_tempdir(try_dirs[i], p)) {
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dir = try_dirs[i];
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goto end;
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}
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}
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#ifdef P_tmpdir
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/*
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* If we have it, use the POSIX definition of where
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* the tmpdir should be
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*/
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if (test_tempdir(P_tmpdir, p)) {
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dir = P_tmpdir;
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goto end;
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}
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#endif
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/* Finally, try the current working directory. */
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if (APR_SUCCESS == apr_filepath_get(&cwd, APR_FILEPATH_NATIVE, p)) {
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if (test_tempdir(cwd, p)) {
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dir = cwd;
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goto end;
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}
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}
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/* We didn't find a suitable temp dir anywhere */
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return APR_EGENERAL;
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end:
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*temp_dir = apr_pstrdup(p, dir);
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return APR_SUCCESS;
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}
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