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Diffstat (limited to 'usr/src/lib/libcmd/common/rmdir.c')
| -rw-r--r-- | usr/src/lib/libcmd/common/rmdir.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/usr/src/lib/libcmd/common/rmdir.c b/usr/src/lib/libcmd/common/rmdir.c new file mode 100644 index 0000000000..4edcda4df8 --- /dev/null +++ b/usr/src/lib/libcmd/common/rmdir.c @@ -0,0 +1,122 @@ +/*********************************************************************** +* * +* 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 +/* + * Glenn Fowler + * AT&T Research + * + * rmdir + */ + +static const char usage[] = +"[-?\n@(#)$Id: rmdir (AT&T Research) 2006-08-24 $\n]" +USAGE_LICENSE +"[+NAME?rmdir - remove empty directories]" +"[+DESCRIPTION?\brmdir\b deletes each given directory. The directory " + "must be empty; containing no entries other than \b.\b or \b..\b. " + "If a directory and a subdirectory of that directory are specified " + "as operands, the subdirectory must be specified before the parent " + "so that the parent directory will be empty when \brmdir\b attempts " + "to remove it.]" +"[e:ignore-fail-on-non-empty?Ignore each non-empty directory failure.]" +"[p:parents?Remove each explicit \adirectory\a argument directory that " + "becomes empty after its child directories are removed.]" +"[s:suppress?Suppress the message printed on the standard error when " + "\b-p\b is in effect.]" +"\n" +"\ndirectory ...\n" +"\n" +"[+EXIT STATUS?]{" + "[+0?All directories deleted successfully.]" + "[+>0?One or more directories could not be deleted.]" +"}" +"[+SEE ALSO?\bmkdir\b(1), \brm\b(1), \brmdir\b(2), \bunlink\b(2)]" +; + +#include <cmd.h> + +int +b_rmdir(int argc, char** argv, void* context) +{ + register char* dir; + register char* end; + register int n; + int eflag = 0; + int pflag = 0; + int sflag = 0; + + cmdinit(argc, argv, context, ERROR_CATALOG, 0); + while (n = optget(argv, usage)) switch (n) + { + case 'e': + eflag = 1; + break; + case 'p': + pflag = 1; + break; + case 's': + sflag = 1; + 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)); + if (!pflag) + sflag = 0; + while (dir = *argv++) + { + end = dir; + if (pflag) end += strlen(dir); + n = 0; + for (;;) + { + if (rmdir(dir) < 0) + { + if (!eflag || errno != EEXIST +#ifdef ENOTEMPTY + && errno != ENOTEMPTY +#endif + ) + { + if (sflag) + error_info.errors++; + else + error(ERROR_system(0), "%s: cannot remove", dir); + } + break; + } + if (n) *end = '/'; + else n = 1; + do if (end <= dir) goto next; while (*--end != '/'); + do if (end <= dir) goto next; while (*(end - 1) == '/' && end--); + *end = 0; + } + next: ; + } + return(error_info.errors != 0); +} + |