diff options
Diffstat (limited to 'usr/src/lib/libcmd/common/mkdir.c')
| -rw-r--r-- | usr/src/lib/libcmd/common/mkdir.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/usr/src/lib/libcmd/common/mkdir.c b/usr/src/lib/libcmd/common/mkdir.c new file mode 100644 index 0000000000..df47adc11c --- /dev/null +++ b/usr/src/lib/libcmd/common/mkdir.c @@ -0,0 +1,152 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1992-2007 AT&T Knowledge Ventures * +* and is licensed under the * +* Common Public License, Version 1.0 * +* by AT&T Knowledge Ventures * +* * +* A copy of the License is available at * +* http://www.opensource.org/licenses/cpl1.0.txt * +* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * +* * +* Information and Software Systems Research * +* AT&T Research * +* Florham Park NJ * +* * +* Glenn Fowler <gsf@research.att.com> * +* David Korn <dgk@research.att.com> * +* * +***********************************************************************/ +#pragma prototyped +/* + * David Korn + * AT&T Bell Laboratories + * + * mkdir + */ + +static const char usage[] = +"[-?\n@(#)$Id: mkdir (AT&T Research) 2006-08-27 $\n]" +USAGE_LICENSE +"[+NAME?mkdir - make directories]" +"[+DESCRIPTION?\bmkdir\b creates one or more directories. By " + "default, the mode of created directories is \ba=rwx\b minus the " + "bits set in the \bumask\b(1).]" +"[m:mode]:[mode?Set the mode of created directories to \amode\a. " + "\amode\a is symbolic or octal mode as in \bchmod\b(1). Relative " + "modes assume an initial mode of \ba=rwx\b.]" +"[p:parents?Create any missing intermediate pathname components. For " + "each dir operand that does not name an existing directory, effects " + "equivalent to those caused by the following command shall occur: " + "\vmkdir -p -m $(umask -S),u+wx $(dirname dir) && mkdir [-m mode]] " + "dir\v where the \b-m\b mode option represents that option supplied to " + "the original invocation of \bmkdir\b, if any. Each dir operand that " + "names an existing directory shall be ignored without error.]" +"\n" +"\ndirectory ...\n" +"\n" +"[+EXIT STATUS?]{" + "[+0?All directories created successfully, or the \b-p\b option " + "was specified and all the specified directories now exist.]" + "[+>0?An error occurred.]" +"}" +"[+SEE ALSO?\bchmod\b(1), \brmdir\b(1), \bumask\b(1)]" +; + +#include <cmd.h> +#include <ls.h> + +#define DIRMODE (S_IRWXU|S_IRWXG|S_IRWXO) + +int +b_mkdir(int argc, char** argv, void* context) +{ + register char* arg; + register int n; + register mode_t mode = DIRMODE; + register mode_t mask = 0; + register int mflag = 0; + register int pflag = 0; + char* name; + mode_t dmode; + + cmdinit(argc, argv, context, ERROR_CATALOG, 0); + while (n = optget(argv, usage)) switch (n) + { + case 'p': + pflag = 1; + break; + case 'm': + mflag = 1; + mode = strperm(arg = opt_info.arg, &opt_info.arg, mode); + if (*opt_info.arg) + error(ERROR_exit(0), "%s: invalid mode", arg); + break; + case ':': + error(2, "%s", opt_info.arg); + break; + case '?': + error(ERROR_usage(2), "%s", opt_info.arg); + break; + } + argv += opt_info.index; + if (error_info.errors || !*argv) + error(ERROR_usage(2), "%s", optusage(NiL)); + mask = umask(0); + if (mflag || pflag) + { + dmode = DIRMODE & ~mask; + if (!mflag) + mode = dmode; + dmode |= S_IWUSR | S_IXUSR; + } + else + { + mode &= ~mask; + umask(mask); + mask = 0; + } + while (arg = *argv++) + { + if (mkdir(arg, mode) < 0) + { + if (!pflag || !(errno == ENOENT || errno == EEXIST || errno == ENOTDIR)) + { + error(ERROR_system(0), "%s:", arg); + continue; + } + if (errno == EEXIST) + continue; + + /* + * -p option, preserve intermediates + * first eliminate trailing /'s + */ + + n = strlen(arg); + while (n > 0 && arg[--n] == '/'); + arg[n + 1] = 0; + for (name = arg, n = *arg; n;) + { + /* skip over slashes */ + while (*arg == '/') + arg++; + /* skip to next component */ + while ((n = *arg) && n != '/') + arg++; + *arg = 0; + if (mkdir(name, n ? dmode : mode) < 0 && errno != EEXIST && access(name, F_OK) < 0) + { + *arg = n; + error(ERROR_system(0), "%s:", name); + break; + } + *arg = n; + } + } + } + if (mask) + umask(mask); + return error_info.errors != 0; +} |