More stuff

author: Eric Andersen <andersen@codepoet.org> 1999-10-13 21:12:06 +0000
committer: Eric Andersen <andersen@codepoet.org> 1999-10-13 21:12:06 +0000
commit: f6be944a6ae612c70ce010582d9c3cdd72f7144f (patch)
tree: 36ab89d86aad17d6922566cad8e49ba33c5ede81 /ln.c
parent: 305a73f5eacd94eefe2f2a5a00034d579ef6b1e7 (diff)
download: busybox-w32-f6be944a6ae612c70ce010582d9c3cdd72f7144f.tar.gz
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1 files changed, 81 insertions, 33 deletions
diff --git a/ln.c b/ln.c
index 3e87b579e..cd3cb4e45 100644
--- a/ln.c
+++ b/ln.c
@@ -1,52 +1,100 @@
+/*
+ * Mini ln implementation for busybox
+ *
+ * Copyright (C) 1998 by Erik Andersen <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.
+ *
+ * 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
+ *
+ */
 #include "internal.h"
 #include <stdio.h>
-#include <sys/stat.h>
+#include <dirent.h>
-#include <sys/param.h>
 #include <errno.h>
-const char      ln_usage[] = "ln [-s] [-f] original-name additional-name\n"
+static const char ln_usage[] = "ln [-s] [-f] original-name additional-name\n"
 "\n"
 "\tAdd a new name that refers to the same file as \"original-name\"\n"
 "\n"
 "\t-s:\tUse a \"symbolic\" link, instead of a \"hard\" link.\n"
 "\t-f:\tRemove existing destination files.\n";
-int
-ln_fn(const struct FileInfo * i)
+static int symlinkFlag = FALSE;
+static int removeoldFlag = FALSE;
+static const char *destName;
+extern int ln_main(int argc, char **argv)
 {
-        int                             status = 0;
+    int status;
-        char                    d[PATH_MAX];
+    char newdestName[NAME_MAX];
-        const char *    destination = i->destination;
-        if ( !i->makeSymbolicLink && (i->stat.st_mode & S_IFMT) == S_IFDIR ) {
+    if (argc < 3) {
-                fprintf(stderr, "Please use \"ln -s\" to link directories.\n");
+        fprintf(stderr, "Usage: %s", ln_usage);
-                return 1;
+        exit (FALSE);
-        }
+    }
+    argc--;
+    argv++;
-        /*
+    /* Parse any options */
-         * If the destination is a directory, create a file within it.
+    while (**argv == '-') {
-         */
+        while (*++(*argv))
-        if ( is_a_directory(i->destination) ) {
+            switch (**argv) {
-                        destination = join_paths(
+            case 's':
-                         d
+                symlinkFlag = TRUE;
-                        ,i->destination
+                break;
-                        ,&i->source[i->directoryLength]);
+            case 'f':
-        }
+                removeoldFlag = TRUE;
+                break;
+            default:
+                fprintf(stderr, "Usage: %s\n", ln_usage);
+                exit(FALSE);
+            }
+        argc--;
+        argv++;
+    }
-        if ( i->force )
-                status = ( unlink(destination) && errno != ENOENT );
-        if ( status == 0 ) {
+    destName = argv[argc - 1];
-                if ( i->makeSymbolicLink )
-                        status = symlink(i->source, destination);
-                else
-                        status = link(i->source, destination);
-        }
-        if ( status != 0 ) {
+    if ((argc > 3) && !(isDirectory(destName))) {
-                name_and_error(destination);
+        fprintf(stderr, "%s: not a directory\n", destName);
-                return 1;
+        exit (FALSE);
+    }
+    while (argc-- >= 2) {
+        strcpy(newdestName, destName);
+        strcat(newdestName, (*argv)+(strlen(*(++argv))));
+        
+        if (removeoldFlag==TRUE ) {
+            status = ( unlink(newdestName) && errno != ENOENT );
+            if ( status != 0 ) {
+                perror(newdestName);
+                exit( FALSE);
+            }
        }
+        if ( symlinkFlag==TRUE)
+                status = symlink(*argv, newdestName);
        else
-                return 0;
+                status = link(*argv, newdestName);
+        if ( status != 0 ) {
+            perror(newdestName);
+            exit( FALSE);
+        }
+    }
+    exit( TRUE);
 }
author	Eric Andersen <andersen@codepoet.org>	1999-10-13 21:12:06 +0000
committer	Eric Andersen <andersen@codepoet.org>	1999-10-13 21:12:06 +0000
commit	f6be944a6ae612c70ce010582d9c3cdd72f7144f (patch)
tree	36ab89d86aad17d6922566cad8e49ba33c5ede81 /ln.c
parent	305a73f5eacd94eefe2f2a5a00034d579ef6b1e7 (diff)
download	busybox-w32-f6be944a6ae612c70ce010582d9c3cdd72f7144f.tar.gz busybox-w32-f6be944a6ae612c70ce010582d9c3cdd72f7144f.tar.bz2 busybox-w32-f6be944a6ae612c70ce010582d9c3cdd72f7144f.zip

diff --git a/ln.c b/ln.c index 3e87b579e..cd3cb4e45 100644 --- a/ln.c +++ b/ln.c
@@ -1,52 +1,100 @@
		1	/*
		2	* Mini ln implementation for busybox
		3	*
		4	* Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
		5	*
		6	* This program is free software; you can redistribute it and/or modify
		7	* it under the terms of the GNU General Public License as published by
		8	* the Free Software Foundation; either version 2 of the License, or
		9	* (at your option) any later version.
		10	*
		11	* This program is distributed in the hope that it will be useful,
		12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		14	* General Public License for more details.
		15	*
		16	* You should have received a copy of the GNU General Public License
		17	* along with this program; if not, write to the Free Software
		18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		19	*
		20	*/
		21
1	#include "internal.h"	22	#include "internal.h"
2	#include <stdio.h>	23	#include <stdio.h>
3	#include <sys/stat.h>	24	#include <dirent.h>
4	#include <sys/param.h>
5	#include <errno.h>	25	#include <errno.h>
6		26
7	const char ln_usage[] = "ln [-s] [-f] original-name additional-name\n"	27
		28	static const char ln_usage[] = "ln [-s] [-f] original-name additional-name\n"
8	"\n"	29	"\n"
9	"\tAdd a new name that refers to the same file as \"original-name\"\n"	30	"\tAdd a new name that refers to the same file as \"original-name\"\n"
10	"\n"	31	"\n"
11	"\t-s:\tUse a \"symbolic\" link, instead of a \"hard\" link.\n"	32	"\t-s:\tUse a \"symbolic\" link, instead of a \"hard\" link.\n"
12	"\t-f:\tRemove existing destination files.\n";	33	"\t-f:\tRemove existing destination files.\n";
13		34
14	int	35
15	ln_fn(const struct FileInfo * i)	36	static int symlinkFlag = FALSE;
		37	static int removeoldFlag = FALSE;
		38	static const char *destName;
		39
		40
		41	extern int ln_main(int argc, char **argv)
16	{	42	{
17	int status = 0;	43	int status;
18	char d[PATH_MAX];	44	char newdestName[NAME_MAX];
19	const char * destination = i->destination;
20		45
21	if ( !i->makeSymbolicLink && (i->stat.st_mode & S_IFMT) == S_IFDIR ) {	46	if (argc < 3) {
22	fprintf(stderr, "Please use \"ln -s\" to link directories.\n");	47	fprintf(stderr, "Usage: %s", ln_usage);
23	return 1;	48	exit (FALSE);
24	}	49	}
		50	argc--;
		51	argv++;
25		52
26	/*	53	/* Parse any options */
27	* If the destination is a directory, create a file within it.	54	while (**argv == '-') {
28	*/	55	while (++(argv))
29	if ( is_a_directory(i->destination) ) {	56	switch (**argv) {
30	destination = join_paths(	57	case 's':
31	d	58	symlinkFlag = TRUE;
32	,i->destination	59	break;
33	,&i->source[i->directoryLength]);	60	case 'f':
34	}	61	removeoldFlag = TRUE;
		62	break;
		63	default:
		64	fprintf(stderr, "Usage: %s\n", ln_usage);
		65	exit(FALSE);
		66	}
		67	argc--;
		68	argv++;
		69	}
35		70
36	if ( i->force )
37	status = ( unlink(destination) && errno != ENOENT );
38		71
39	if ( status == 0 ) {	72	destName = argv[argc - 1];
40	if ( i->makeSymbolicLink )
41	status = symlink(i->source, destination);
42	else
43	status = link(i->source, destination);
44	}
45		73
46	if ( status != 0 ) {	74	if ((argc > 3) && !(isDirectory(destName))) {
47	name_and_error(destination);	75	fprintf(stderr, "%s: not a directory\n", destName);
48	return 1;	76	exit (FALSE);
		77	}
		78
		79	while (argc-- >= 2) {
		80	strcpy(newdestName, destName);
		81	strcat(newdestName, (argv)+(strlen((++argv))));
		82
		83	if (removeoldFlag==TRUE ) {
		84	status = ( unlink(newdestName) && errno != ENOENT );
		85	if ( status != 0 ) {
		86	perror(newdestName);
		87	exit( FALSE);
		88	}
49	}	89	}
		90	if ( symlinkFlag==TRUE)
		91	status = symlink(*argv, newdestName);
50	else	92	else
51	return 0;	93	status = link(*argv, newdestName);
		94	if ( status != 0 ) {
		95	perror(newdestName);
		96	exit( FALSE);
		97	}
		98	}
		99	exit( TRUE);
52	}	100	}