mkdirs.c (1246B)
1 /* 2 * Copyright (c) 2023 Jacob R. Edwards <jacob@jacobedwards.org> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <sys/stat.h> 18 19 #include <errno.h> 20 #include <libgen.h> 21 #include <limits.h> 22 #include <string.h> 23 24 int 25 mkdirs(char *path, mode_t mode) 26 { 27 char *parent; 28 char copy[PATH_MAX]; 29 30 if (mkdir(path, mode) == 0 || errno == EEXIST) 31 return 0; 32 if (errno != ENOENT) 33 return -1; 34 35 /* mkdir(2) tests path length */ 36 strcpy(copy, path); 37 if (!(parent = dirname(path))) 38 return -1; 39 40 if (mkdirs(parent, mode)) 41 return -1; 42 return mkdir(copy, mode); 43 }