1 /*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <sys/types.h>
18 #include <unistd.h>
19 #include <limits.h>
20 #include <stdio.h>
21
get_my_path(char * exe,size_t maxLen)22 void get_my_path(char *exe, size_t maxLen)
23 {
24 char proc[64];
25 snprintf(proc, sizeof proc, "/proc/%d/exe", getpid());
26 int err = readlink(proc, exe, maxLen - 1);
27 if(err > 0) {
28 exe[err] = '\0';
29 } else {
30 exe[0] = '\0';
31 }
32 }
33
34