This depmod script will create a modules.dep file, just like the depmod

[oweals/busybox.git] / ln.c

diff --git a/ln.c b/ln.c
index e81dbafaec49667f99cb70187ad8d7202928a466..7412a86fd124dd7a581a0227efa03e1d0c231f86 100644 (file)
--- a/ln.c
+++ b/ln.c
@@ -2,7 +2,7 @@
 /*
  * Mini ln implementation for busybox
  *
- * Copyright (C) 1999,2000 by Lineo, inc.
+ * Copyright (C) 1999,2000,2001 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
@@ -21,59 +21,64 @@
  *
  */
 
-#include "busybox.h"
-#define BB_DECLARE_EXTERN
-#define bb_need_not_a_directory
-#include "messages.c"
-
 #include <stdio.h>
 #include <dirent.h>
+#include <string.h>
+#include <stdlib.h>
 #include <errno.h>
+#include <unistd.h>
+#include "busybox.h"
+
 
-#define LN_SYMLINK             1
-#define LN_FORCE                       2
-#define LN_NODEREFERENCE       4
+static const int LN_SYMLINK = 1;
+static const int LN_FORCE = 2;
+static const int LN_NODEREFERENCE = 4;
 
 /*
  * linkDestName is where the link points to,
  * linkSrcName is the name of the link to be created.
  */
-static int fs_link(const char *link_DestName, const char *link_SrcName, const int flag)
+static int fs_link(const char *link_destname, const char *link_srcname, 
+               const int flag)
 {
        int status;
-       int srcIsDir;
-       char *srcName;
+       int src_is_dir;
+       char *src_name;
 
-       if (link_DestName==NULL)
+       if (link_destname==NULL)
                return(FALSE);
 
-       srcName = (char *) malloc(strlen(link_SrcName)+strlen(link_DestName)+1);
+       src_name = (char *) xmalloc(strlen(link_srcname)+strlen(link_destname)+1);
 
-       if (link_SrcName==NULL)
-               strcpy(srcName, link_DestName);
+       if (link_srcname==NULL)
+               strcpy(src_name, link_destname);
        else
-               strcpy(srcName, link_SrcName);
+               strcpy(src_name, link_srcname);
 
        if (flag&LN_NODEREFERENCE)
-               srcIsDir = isDirectory(srcName, TRUE, NULL);
+               src_is_dir = is_directory(src_name, TRUE, NULL);
        else
-               srcIsDir = isDirectory(srcName, FALSE, NULL);   
+               src_is_dir = is_directory(src_name, FALSE, NULL);       
        
-       if ((srcIsDir==TRUE)&&((flag&LN_NODEREFERENCE)==0)) {
-               strcat(srcName, "/");
-               strcat(srcName, link_DestName);
+       if ((src_is_dir==TRUE)&&((flag&LN_NODEREFERENCE)==0)) {
+               char* srcdir_name;
+
+               srcdir_name = xstrdup(link_destname);
+               strcat(src_name, "/");
+               strcat(src_name, get_last_path_component(srcdir_name));
+               free(srcdir_name);
        }
        
        if (flag&LN_FORCE)
-               unlink(srcName);
+               unlink(src_name);
                
        if (flag&LN_SYMLINK)
-               status = symlink(link_DestName, srcName);
+               status = symlink(link_destname, src_name);
        else
-               status = link(link_DestName, srcName);
+               status = link(link_destname, src_name);
 
        if (status != 0) {
-               perror(srcName);
+               perror_msg(src_name);
                return(FALSE);
        }
        return(TRUE);
@@ -98,15 +103,23 @@ extern int ln_main(int argc, char **argv)
                                flag |= LN_NODEREFERENCE;
                                break;
                        default:
-                               usage(ln_usage);
+                               show_usage();
                }
        }
+       if (optind > (argc-1)) {
+               show_usage();
+       } 
+       if (optind == (argc-1)) {
+               if (fs_link(argv[optind], 
+                                       get_last_path_component(argv[optind]), flag)==FALSE)
+                       status = EXIT_FAILURE;
+       }
        while(optind<(argc-1)) {
                if (fs_link(argv[optind], argv[argc-1], flag)==FALSE)
                        status = EXIT_FAILURE;
                optind++;
        }
-       return(status);
+       exit(status);
 }
 
 /*