1da2e3ebdSchin /*********************************************************************** 2da2e3ebdSchin * * 3da2e3ebdSchin * This software is part of the ast package * 4*7c2fbfb3SApril Chin * Copyright (c) 1992-2008 AT&T Intellectual Property * 5da2e3ebdSchin * and is licensed under the * 6da2e3ebdSchin * Common Public License, Version 1.0 * 7*7c2fbfb3SApril Chin * by AT&T Intellectual Property * 8da2e3ebdSchin * * 9da2e3ebdSchin * A copy of the License is available at * 10da2e3ebdSchin * http://www.opensource.org/licenses/cpl1.0.txt * 11da2e3ebdSchin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12da2e3ebdSchin * * 13da2e3ebdSchin * Information and Software Systems Research * 14da2e3ebdSchin * AT&T Research * 15da2e3ebdSchin * Florham Park NJ * 16da2e3ebdSchin * * 17da2e3ebdSchin * Glenn Fowler <gsf@research.att.com> * 18da2e3ebdSchin * David Korn <dgk@research.att.com> * 19da2e3ebdSchin * * 20da2e3ebdSchin ***********************************************************************/ 21da2e3ebdSchin #pragma prototyped 22da2e3ebdSchin /* 23da2e3ebdSchin * Glenn Fowler 24da2e3ebdSchin * AT&T Research 25da2e3ebdSchin * 26da2e3ebdSchin * rmdir 27da2e3ebdSchin */ 28da2e3ebdSchin 29da2e3ebdSchin static const char usage[] = 30da2e3ebdSchin "[-?\n@(#)$Id: rmdir (AT&T Research) 2006-08-24 $\n]" 31da2e3ebdSchin USAGE_LICENSE 32da2e3ebdSchin "[+NAME?rmdir - remove empty directories]" 33da2e3ebdSchin "[+DESCRIPTION?\brmdir\b deletes each given directory. The directory " 34da2e3ebdSchin "must be empty; containing no entries other than \b.\b or \b..\b. " 35da2e3ebdSchin "If a directory and a subdirectory of that directory are specified " 36da2e3ebdSchin "as operands, the subdirectory must be specified before the parent " 37da2e3ebdSchin "so that the parent directory will be empty when \brmdir\b attempts " 38da2e3ebdSchin "to remove it.]" 39da2e3ebdSchin "[e:ignore-fail-on-non-empty?Ignore each non-empty directory failure.]" 40da2e3ebdSchin "[p:parents?Remove each explicit \adirectory\a argument directory that " 41da2e3ebdSchin "becomes empty after its child directories are removed.]" 42da2e3ebdSchin "[s:suppress?Suppress the message printed on the standard error when " 43da2e3ebdSchin "\b-p\b is in effect.]" 44da2e3ebdSchin "\n" 45da2e3ebdSchin "\ndirectory ...\n" 46da2e3ebdSchin "\n" 47da2e3ebdSchin "[+EXIT STATUS?]{" 48da2e3ebdSchin "[+0?All directories deleted successfully.]" 49da2e3ebdSchin "[+>0?One or more directories could not be deleted.]" 50da2e3ebdSchin "}" 51da2e3ebdSchin "[+SEE ALSO?\bmkdir\b(1), \brm\b(1), \brmdir\b(2), \bunlink\b(2)]" 52da2e3ebdSchin ; 53da2e3ebdSchin 54da2e3ebdSchin #include <cmd.h> 55da2e3ebdSchin 56da2e3ebdSchin int 57da2e3ebdSchin b_rmdir(int argc, char** argv, void* context) 58da2e3ebdSchin { 59da2e3ebdSchin register char* dir; 60da2e3ebdSchin register char* end; 61da2e3ebdSchin register int n; 62da2e3ebdSchin int eflag = 0; 63da2e3ebdSchin int pflag = 0; 64da2e3ebdSchin int sflag = 0; 65da2e3ebdSchin 66da2e3ebdSchin cmdinit(argc, argv, context, ERROR_CATALOG, 0); 67da2e3ebdSchin while (n = optget(argv, usage)) switch (n) 68da2e3ebdSchin { 69da2e3ebdSchin case 'e': 70da2e3ebdSchin eflag = 1; 71da2e3ebdSchin break; 72da2e3ebdSchin case 'p': 73da2e3ebdSchin pflag = 1; 74da2e3ebdSchin break; 75da2e3ebdSchin case 's': 76da2e3ebdSchin sflag = 1; 77da2e3ebdSchin break; 78da2e3ebdSchin case ':': 79da2e3ebdSchin error(2, "%s", opt_info.arg); 80da2e3ebdSchin break; 81da2e3ebdSchin case '?': 82da2e3ebdSchin error(ERROR_usage(2), "%s", opt_info.arg); 83da2e3ebdSchin break; 84da2e3ebdSchin } 85da2e3ebdSchin argv += opt_info.index; 86da2e3ebdSchin if (error_info.errors || !*argv) 87da2e3ebdSchin error(ERROR_usage(2), "%s", optusage(NiL)); 88da2e3ebdSchin if (!pflag) 89da2e3ebdSchin sflag = 0; 90da2e3ebdSchin while (dir = *argv++) 91da2e3ebdSchin { 92da2e3ebdSchin end = dir; 93da2e3ebdSchin if (pflag) end += strlen(dir); 94da2e3ebdSchin n = 0; 95da2e3ebdSchin for (;;) 96da2e3ebdSchin { 97da2e3ebdSchin if (rmdir(dir) < 0) 98da2e3ebdSchin { 99da2e3ebdSchin if (!eflag || errno != EEXIST 100da2e3ebdSchin #ifdef ENOTEMPTY 101da2e3ebdSchin && errno != ENOTEMPTY 102da2e3ebdSchin #endif 103da2e3ebdSchin ) 104da2e3ebdSchin { 105da2e3ebdSchin if (sflag) 106da2e3ebdSchin error_info.errors++; 107da2e3ebdSchin else 108da2e3ebdSchin error(ERROR_system(0), "%s: cannot remove", dir); 109da2e3ebdSchin } 110da2e3ebdSchin break; 111da2e3ebdSchin } 112da2e3ebdSchin if (n) *end = '/'; 113da2e3ebdSchin else n = 1; 114da2e3ebdSchin do if (end <= dir) goto next; while (*--end != '/'); 115da2e3ebdSchin do if (end <= dir) goto next; while (*(end - 1) == '/' && end--); 116da2e3ebdSchin *end = 0; 117da2e3ebdSchin } 118da2e3ebdSchin next: ; 119da2e3ebdSchin } 120da2e3ebdSchin return(error_info.errors != 0); 121da2e3ebdSchin } 122da2e3ebdSchin 123