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unix
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buffer.c
(1.79 KB)
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copy.c
(4.23 KB)
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dir.c
(10.48 KB)
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fileacc.c
(3.18 KB)
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filedup.c
(6.2 KB)
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filepath.c
(10.12 KB)
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filepath_util.c
(3.49 KB)
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filestat.c
(10.07 KB)
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flock.c
(3.49 KB)
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fullrw.c
(3.18 KB)
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mktemp.c
(6.93 KB)
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open.c
(11.44 KB)
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pipe.c
(8.25 KB)
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readwrite.c
(14.74 KB)
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seek.c
(3.9 KB)
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tempdir.c
(3.71 KB)
Editing: tempdir.c
/* 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_private.h" #include "apr_file_io.h" #include "apr_strings.h" #include "apr_env.h" /* Try to open a temporary file in the temporary dir, write to it, and then close it. */ static int test_tempdir(const char *temp_dir, apr_pool_t *p) { apr_file_t *dummy_file; char *path = apr_pstrcat(p, temp_dir, "/apr-tmp.XXXXXX", NULL); if (apr_file_mktemp(&dummy_file, path, 0, p) == APR_SUCCESS) { if (apr_file_putc('!', dummy_file) == APR_SUCCESS) { if (apr_file_close(dummy_file) == APR_SUCCESS) { return 1; } } } return 0; } APR_DECLARE(apr_status_t) apr_temp_dir_get(const char **temp_dir, apr_pool_t *p) { apr_status_t apr_err; const char *try_dirs[] = { "/tmp", "/usr/tmp", "/var/tmp" }; const char *try_envs[] = { "TMPDIR", "TMP", "TEMP"}; const char *dir; char *cwd; int i; /* Our goal is to find a temporary directory suitable for writing into. Here's the order in which we'll try various paths: $TMPDIR $TMP $TEMP "C:\TEMP" (windows only) "SYS:\TMP" (netware only) "/tmp" "/var/tmp" "/usr/tmp" P_tmpdir (POSIX define) `pwd` NOTE: This algorithm is basically the same one used by Python 2.2's tempfile.py module. */ /* Try the environment first. */ for (i = 0; i < (sizeof(try_envs) / sizeof(const char *)); i++) { char *value; apr_err = apr_env_get(&value, try_envs[i], p); if ((apr_err == APR_SUCCESS) && value) { apr_size_t len = strlen(value); if (len && (len < APR_PATH_MAX) && test_tempdir(value, p)) { dir = value; goto end; } } } #ifdef WIN32 /* Next, on Win32, try the C:\TEMP directory. */ if (test_tempdir("C:\\TEMP", p)) { dir = "C:\\TEMP"; goto end; } #endif #ifdef NETWARE /* Next, on NetWare, try the SYS:/TMP directory. */ if (test_tempdir("SYS:/TMP", p)) { dir = "SYS:/TMP"; goto end; } #endif /* Next, try a set of hard-coded paths. */ for (i = 0; i < (sizeof(try_dirs) / sizeof(const char *)); i++) { if (test_tempdir(try_dirs[i], p)) { dir = try_dirs[i]; goto end; } } #ifdef P_tmpdir /* * If we have it, use the POSIX definition of where * the tmpdir should be */ if (test_tempdir(P_tmpdir, p)) { dir = P_tmpdir; goto end; } #endif /* Finally, try the current working directory. */ if (APR_SUCCESS == apr_filepath_get(&cwd, APR_FILEPATH_NATIVE, p)) { if (test_tempdir(cwd, p)) { dir = cwd; goto end; } } /* We didn't find a suitable temp dir anywhere */ return APR_EGENERAL; end: *temp_dir = apr_pstrdup(p, dir); return APR_SUCCESS; }
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