/* mkdir.c - Make directories * * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org> * * See http://opengroup.org/onlinepubs/9699919799/utilities/mkdir.html USE_MKDIR(NEWTOY(mkdir, "<1pm:", TOYFLAG_BIN)) config MKDIR bool "mkdir" default y help usage: mkdir [-p] [-m mode] [dirname...] Create one or more directories. -p make parent directories as needed. -m set permissions of directory to mode. */ #define FOR_mkdir #include "toys.h" GLOBALS( char *arg_mode; mode_t mode; ) static int do_mkdir(char *dir) { struct stat buf; char *s; mode_t mode = 0777; // mkdir -p one/two/three is not an error if the path already exists, // but is if "three" is a file. The others we dereference and catch // not-a-directory along the way, but the last one we must explicitly // test for. Might as well do it up front. if (!stat(dir, &buf) && !S_ISDIR(buf.st_mode)) { errno = EEXIST; return 1; } for (s=dir; ; s++) { char save=0; // Skip leading / of absolute paths. if (s!=dir && *s == '/' && (toys.optflags&FLAG_p)) { save = *s; *s = 0; } else if (*s) continue; // Use the mode from the -m option only for the last directory. if ((toys.optflags&FLAG_m) && save != '/') mode = TT.mode; if (mkdir(dir, mode)<0 && ((toys.optflags&~FLAG_p) || errno != EEXIST)) return 1; if (!(*s = save)) break; } return 0; } void mkdir_main(void) { char **s; if(toys.optflags&FLAG_m) TT.mode = string_to_mode(TT.arg_mode, 0777); for (s=toys.optargs; *s; s++) if (do_mkdir(*s)) perror_msg("'%s'", *s); }