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Annotation of 43BSDReno/bin/mkdir/mkdir.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: char copyright[] =
                     22: "@(#) Copyright (c) 1983 Regents of the University of California.\n\
                     23:  All rights reserved.\n";
                     24: #endif /* not lint */
                     25: 
                     26: #ifndef lint
                     27: static char sccsid[] = "@(#)mkdir.c    5.7 (Berkeley) 5/31/90";
                     28: #endif /* not lint */
                     29: 
                     30: #include <sys/types.h>
                     31: #include <sys/stat.h>
                     32: #include <errno.h>
                     33: #include <stdio.h>
                     34: #include <string.h>
                     35: 
                     36: extern int errno;
                     37: 
                     38: main(argc, argv)
                     39:        int argc;
                     40:        char **argv;
                     41: {
                     42:        extern int optind;
                     43:        int ch, exitval, pflag;
                     44: 
                     45:        pflag = 0;
                     46:        while ((ch = getopt(argc, argv, "p")) != EOF)
                     47:                switch(ch) {
                     48:                case 'p':
                     49:                        pflag = 1;
                     50:                        break;
                     51:                case '?':
                     52:                default:
                     53:                        usage();
                     54:                }
                     55: 
                     56:        if (!*(argv += optind))
                     57:                usage();
                     58: 
                     59:        for (exitval = 0; *argv; ++argv)
                     60:                if (pflag)
                     61:                        exitval |= build(*argv);
                     62:                else if (mkdir(*argv, 0777) < 0) {
                     63:                        (void)fprintf(stderr, "mkdir: %s: %s\n",
                     64:                            *argv, strerror(errno));
                     65:                        exitval = 1;
                     66:                }
                     67:        exit(exitval);
                     68: }
                     69: 
                     70: build(path)
                     71:        char *path;
                     72: {
                     73:        register char *p;
                     74:        struct stat sb;
                     75:        int create, ch;
                     76: 
                     77:        for (create = 0, p = path;; ++p)
                     78:                if (!*p || *p  == '/') {
                     79:                        ch = *p;
                     80:                        *p = '\0';
                     81:                        if (stat(path, &sb)) {
                     82:                                if (errno != ENOENT || mkdir(path, 0777) < 0) {
                     83:                                        (void)fprintf(stderr, "mkdir: %s: %s\n",
                     84:                                            path, strerror(errno));
                     85:                                        return(1);
                     86:                                }
                     87:                                create = 1;
                     88:                        }
                     89:                        if (!(*p = ch))
                     90:                                break;
                     91:                }
                     92:        if (!create) {
                     93:                (void)fprintf(stderr, "mkdir: %s: %s\n", path,
                     94:                    strerror(EEXIST));
                     95:                return(1);
                     96:        }
                     97:        return(0);
                     98: }
                     99: 
                    100: usage()
                    101: {
                    102:        (void)fprintf(stderr, "usage: mkdir [-p] dirname ...\n");
                    103:        exit(1);
                    104: }

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