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authorErik Andersen2000-04-13 18:49:43 +0000
committerErik Andersen2000-04-13 18:49:43 +0000
commit9cf3bfa7c1bf3ad959c61711c9a5ac1969149300 (patch)
tree61d03a8d473f2d253c80f5bb3acc13d488351250 /coreutils
parentb4f8606c05f8a256b515633e48df954ead1260ef (diff)
downloadbusybox-9cf3bfa7c1bf3ad959c61711c9a5ac1969149300.zip
busybox-9cf3bfa7c1bf3ad959c61711c9a5ac1969149300.tar.gz
More doc updates for BusyBox, with fixes to apps for bugs revealed
while trying to write docs . :-) -Erik
Diffstat (limited to 'coreutils')
-rw-r--r--coreutils/basename.c4
-rw-r--r--coreutils/dirname.c163
-rw-r--r--coreutils/echo.c11
-rw-r--r--coreutils/ls.c35
-rw-r--r--coreutils/mknod.c4
5 files changed, 73 insertions, 144 deletions
diff --git a/coreutils/basename.c b/coreutils/basename.c
index 06e2766..5fe5e0f 100644
--- a/coreutils/basename.c
+++ b/coreutils/basename.c
@@ -34,8 +34,10 @@ extern int basename_main(int argc, char **argv)
argv++;
s1=*argv+strlen(*argv)-1;
- if (*s1 == '/')
+ while (s1 && *s1 == '/') {
*s1 = '\0';
+ s1=*argv+strlen(*argv)-1;
+ }
s = strrchr(*argv, '/');
printf("%s\n", (s)? s + 1 : *argv);
exit(TRUE);
diff --git a/coreutils/dirname.c b/coreutils/dirname.c
index 77cb664..528b89a 100644
--- a/coreutils/dirname.c
+++ b/coreutils/dirname.c
@@ -1,146 +1,45 @@
/* vi: set sw=4 ts=4: */
/*
- * This is temporary -- needs to be rewritten to be tighter */
-/*
- * Copyright (c) 1991, 1993, 1994
- * The Regents of the University of California. All rights reserved.
+ * Mini dirname implementation for busybox
+ *
+ * Copyright (C) 2000 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
*/
-
-#if 0
-#ifndef lint
-static char copyright[] = "@(#) Copyright (c) 1991, 1993, 1994\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-static char sccsid[] = "@(#)dirname.c 8.4 (Berkeley) 5/4/95";
-#endif /* not lint */
-#endif /* #if 0 */
-
#include "internal.h"
#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-void dirname_usage()
+extern int dirname_main(int argc, char **argv)
{
+ char* s;
- (void) fprintf(stderr, "usage: dirname path\n");
- exit(1);
-}
-
-extern int dirname_main(argc, argv)
-int argc;
-char **argv;
-{
- char *p;
- int ch;
-
- while ((ch = getopt(argc, argv, "")) != -1)
- switch (ch) {
- case '?':
- default:
- dirname_usage();
- }
- argc -= optind;
- argv += optind;
-
- if (argc != 1)
- dirname_usage();
-
- /*
- * (1) If string is //, skip steps (2) through (5).
- * (2) If string consists entirely of slash characters, string
- * shall be set to a single slash character. In this case,
- * skip steps (3) through (8).
- */
- for (p = *argv;; ++p) {
- if (!*p) {
- if (p > *argv)
- (void) printf("/\n");
- else
- (void) printf(".\n");
- exit(0);
- }
- if (*p != '/')
- break;
+ if ((argc < 2) || (**(argv + 1) == '-')) {
+ usage("dirname [file ...]\n");
}
+ argv++;
- /*
- * (3) If there are any trailing slash characters in string, they
- * shall be removed.
- */
- for (; *p; ++p);
- while (*--p == '/')
- continue;
- *++p = '\0';
-
- /*
- * (4) If there are no slash characters remaining in string,
- * string shall be set to a single period character. In this
- * case skip steps (5) through (8).
- *
- * (5) If there are any trailing nonslash characters in string,
- * they shall be removed.
- */
- while (--p >= *argv)
- if (*p == '/')
- break;
- ++p;
- if (p == *argv) {
- (void) printf(".\n");
- exit(0);
+ s=*argv+strlen(*argv)-1;
+ while (s && *s == '/') {
+ *s = '\0';
+ s=*argv+strlen(*argv)-1;
}
-
- /*
- * (6) If the remaining string is //, it is implementation defined
- * whether steps (7) and (8) are skipped or processed.
- *
- * This case has already been handled, as part of steps (1) and (2).
- */
-
- /*
- * (7) If there are any trailing slash characters in string, they
- * shall be removed.
- */
- while (--p >= *argv)
- if (*p != '/')
- break;
- ++p;
-
- /*
- * (8) If the remaining string is empty, string shall be set to
- * a single slash character.
- */
- *p = '\0';
- (void) printf("%s\n", p == *argv ? "/" : *argv);
- exit(0);
+ s = strrchr(*argv, '/');
+ if (s && *s)
+ *s = '\0';
+ printf("%s\n", (s)? *argv : ".");
+ exit(TRUE);
}
diff --git a/coreutils/echo.c b/coreutils/echo.c
index 91f17aa..2405d0a 100644
--- a/coreutils/echo.c
+++ b/coreutils/echo.c
@@ -25,6 +25,14 @@
#include "internal.h"
#include <stdio.h>
+static const char uname_usage[] =
+ "echo [-neE] [ARG ...]\n\n"
+ "Prints the specified ARGs to stdout\n\n"
+ "Options:\n"
+ "\t-n\tsuppress trailing newline\n"
+ "\t-e\tinterpret backslash-escaped characters (i.e. \\t=tab etc)\n"
+ "\t-E\tdisable interpretation of backslash-escaped characters\n";
+
extern int
echo_main(int argc, char** argv)
{
@@ -45,6 +53,9 @@ echo_main(int argc, char** argv)
} else if (strcmp(p, "-E")==0) {
eflag = 0;
}
+ else if (strncmp(p, "--", 2)==0) {
+ usage( uname_usage);
+ }
else break;
ap++;
}
diff --git a/coreutils/ls.c b/coreutils/ls.c
index 3e01050..0c7f652 100644
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -88,7 +88,6 @@
#define DISP_FULLTIME 32 /* show extended time display */
#define DIR_NOLIST 64 /* show directory as itself, not contents */
#define DISP_DIRNAME 128 /* show directory name (for internal use) */
-#define DIR_RECURSE 256 /* -R (not yet implemented) */
#ifndef MAJOR
#define MAJOR(dev) (((dev)>>8)&0xff)
@@ -450,10 +449,33 @@ static const char ls_usage[] = "ls [-1a"
#ifdef BB_FEATURE_LS_FILETYPES
"F"
#endif
-#ifdef FEATURE_RECURSIVE
- "R"
+ "] [filenames...]\n\n"
+ "Options:\n"
+ "\t-a\tdo not hide entries starting with .\n"
+#ifdef BB_FEATURE_LS_TIMESTAMPS
+ "\t-c\twith -l: show ctime (the time of last\n"
+ "\t\tmodification of file status information)\n"
+#endif
+ "\t-d\tlist directory entries instead of contents\n"
+#ifdef BB_FEATURE_LS_TIMESTAMPS
+ "\t-e\tlist both full date and full time\n"
#endif
- "] [filenames...]\n";
+ "\t-l\tuse a long listing format\n"
+ "\t-n\tlist numeric UIDs and GIDs instead of names\n"
+#ifdef BB_FEATURE_LS_FILETYPES
+ "\t-p\tappend indicator (one of /=@|) to entries\n"
+#endif
+#ifdef BB_FEATURE_LS_TIMESTAMPS
+ "\t-u\twith -l: show access time (the time of last\n"
+ "\t\taccess of the file)\n"
+#endif
+ "\t-x\tlist entries by lines instead of by columns\n"
+ "\t-A\tdo not list implied . and ..\n"
+ "\t-C\tlist entries by columns\n"
+#ifdef BB_FEATURE_LS_FILETYPES
+ "\t-F\tappend indicator (one of */=@|) to entries\n"
+#endif
+ ;
extern int ls_main(int argc, char **argv)
{
@@ -508,11 +530,6 @@ extern int ls_main(int argc, char **argv)
case 'd':
opts |= DIR_NOLIST;
break;
-#ifdef FEATURE_RECURSIVE
- case 'R':
- opts |= DIR_RECURSE;
- break;
-#endif
#ifdef BB_FEATURE_LS_TIMESTAMPS
case 'u':
time_fmt = TIME_ACCESS;
diff --git a/coreutils/mknod.c b/coreutils/mknod.c
index b11a81f..40f508d 100644
--- a/coreutils/mknod.c
+++ b/coreutils/mknod.c
@@ -70,7 +70,7 @@ int mknod_main(int argc, char **argv)
if (mknod(argv[1], mode, dev) != 0) {
perror(argv[1]);
- return (FALSE);
+ exit (FALSE);
}
- return (TRUE);
+ exit (TRUE);
}