1 /* 2 * Copyright (C) 2019 Paul Spooren <mail@aparcar.de> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License version 2.1 6 * as published by the Free Software Foundation 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 */ 13 14 #ifndef __CONTAINER_H 15 #define __CONTAINER_H 16 17 #include <stdlib.h> 18 #include <stdbool.h> 19 #include <sys/stat.h> 20 21 static inline bool is_container() { 22 struct stat s; 23 int r = stat("/.dockerenv", &s); 24 int pv_r = stat("/pantavisor", &s); 25 return !!getenv("container") || r == 0 || pv_r == 0; 26 } 27 28 #endif 29
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