| /* |
| * 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. |
| */ |
| /** |
| * @author Alexey V. Varlamov |
| */ |
| |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <sys/utsname.h> |
| #include <limits.h> |
| #include <errno.h> |
| #include "port_malloc.h" |
| #include "port_sysinfo.h" |
| #if defined(FREEBSD) |
| #define _GNU_SOURCE |
| #include <dlfcn.h> |
| extern int main (int argc, char **argv, char **envp); |
| #endif |
| |
| APR_DECLARE(apr_status_t) port_executable_name(char** self_name) { |
| |
| char* buf; |
| |
| #if defined(FREEBSD) |
| Dl_info info; |
| |
| if (dladdr( (const void*)&main, &info) == 0) { |
| return APR_ENOENT; |
| } |
| |
| buf = (char*)STD_MALLOC(strlen(info.dli_fname) + 1); |
| |
| if (!buf) |
| return APR_ENOMEM; |
| |
| strcpy(buf, info.dli_fname); |
| #else |
| char tmpbuf[PATH_MAX + 1]; |
| |
| int n = readlink("/proc/self/exe", tmpbuf, PATH_MAX); |
| |
| if (n == -1) { |
| return apr_get_os_error(); |
| } |
| |
| tmpbuf[n] = '\0'; |
| |
| buf = (char*)STD_MALLOC(n + 1); |
| |
| if (!buf) |
| return APR_ENOMEM; |
| |
| strcpy(buf, tmpbuf); |
| #endif |
| |
| *self_name = buf; |
| return APR_SUCCESS; |
| } |