Mercurial > hg > toybox
diff toys/posix/mkdir.c @ 653:2986aa63a021
Move commands into "posix", "lsb", and "other" menus/directories.
author | Rob Landley <rob@landley.net> |
---|---|
date | Sat, 25 Aug 2012 14:25:22 -0500 |
parents | toys/mkdir.c@a864aa8c6331 |
children | 6df4ccc0acbe |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toys/posix/mkdir.c Sat Aug 25 14:25:22 2012 -0500 @@ -0,0 +1,76 @@ +/* vi: set sw=4 ts=4: + * + * mkdir.c - Make directories + * + * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org> + * + * See http://pubs.opengroup.org/onlinepubs/009695399/utilities/mkdir.html + * + * TODO: Add -m + +USE_MKDIR(NEWTOY(mkdir, "<1p", TOYFLAG_BIN)) + +config MKDIR + bool "mkdir" + default y + help + usage: mkdir [-p] [dirname...] + Create one or more directories. + + -p make parent directories as needed. +*/ + +#include "toys.h" + +DEFINE_GLOBALS( + long mode; +) + +#define TT this.mkdir + +static int do_mkdir(char *dir) +{ + struct stat buf; + char *s; + + // 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) { + save = *s; + *s = 0; + } else if (*s) continue; + + if (mkdir(dir, TT.mode)<0 && (!toys.optflags || errno != EEXIST)) + return 1; + + if (!(*s = save)) break; + } + + return 0; +} + +void mkdir_main(void) +{ + char **s; + + TT.mode = 0777; + + for (s=toys.optargs; *s; s++) { + if (do_mkdir(*s)) { + perror_msg("cannot create directory '%s'", *s); + toys.exitval = 1; + } + } +}