Syntax error

[oweals/busybox.git] / coreutils / du.c

diff --git a/coreutils/du.c b/coreutils/du.c
index 8628732d8f1292a0159c4d7c6a913d0b9b8f45f0..2e49b2147745224c2a0001099a51b6d010aaab37 100644 (file)
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -2,9 +2,9 @@
 /*
  * Mini du implementation for busybox
  *
- *
- * Copyright (C) 1999,2000 by Lineo, inc.
- * Written by John Beppu <beppu@lineo.com>
+ * Copyright (C) 1999,2000,2001 by Lineo, inc. and John Beppu
+ * Copyright (C) 1999,2000,2001 by John Beppu <beppu@codepoet.org>
+ * Copyright (C) 2002  Edward Betts <edward@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
@@ -22,27 +22,36 @@
  *
  */
 
-#include "busybox.h"
-#define BB_DECLARE_EXTERN
-#define bb_need_name_too_long
-#include "messages.c"
-
 #include <sys/types.h>
 #include <fcntl.h>
 #include <dirent.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <string.h>
 #include <errno.h>
+#include "busybox.h"
 
-typedef void (Display) (long, char *);
 
-static int du_depth = 0;
-static int count_hardlinks = 0;
+#ifdef CONFIG_FEATURE_HUMAN_READABLE
+static unsigned long disp_hr = KILOBYTE;
+#endif
 
-static Display *print;
+static int du_depth /*= 0*/;
+static int count_hardlinks /*= 0*/;
+static int one_file_system /*= 0*/;
+static dev_t dir_dev;
+
+static void (*print) (long, char *);
 
 static void print_normal(long size, char *filename)
 {
+#ifdef CONFIG_FEATURE_HUMAN_READABLE
+       printf("%s\t%s\n", make_human_readable_str(size << 10, 1, disp_hr),
+                  filename);
+#else
        printf("%ld\t%s\n", size, filename);
+#endif
 }
 
 static void print_summary(long size, char *filename)
@@ -57,11 +66,15 @@ static long du(char *filename)
 {
        struct stat statbuf;
        long sum;
-       int len;
 
        if ((lstat(filename, &statbuf)) != 0) {
-               perror_msg_and_die("%s", filename);
+               perror_msg("%s", filename);
+               return 0;
        }
+       if (du_depth == 0)
+               dir_dev = statbuf.st_dev;
+       else if (one_file_system && dir_dev != statbuf.st_dev)
+               return 0;
 
        du_depth++;
        sum = (statbuf.st_blocks >> 1);
@@ -69,12 +82,13 @@ static long du(char *filename)
        /* Don't add in stuff pointed to by symbolic links */
        if (S_ISLNK(statbuf.st_mode)) {
                sum = 0L;
-               if (du_depth == 1)
-                       print(sum, filename);
+               if (du_depth == 1) {
+               }
        }
        if (S_ISDIR(statbuf.st_mode)) {
                DIR *dir;
                struct dirent *entry;
+               char *newfile;
 
                dir = opendir(filename);
                if (!dir) {
@@ -82,39 +96,30 @@ static long du(char *filename)
                        return 0;
                }
 
-               len = strlen(filename);
-               if (filename[len - 1] == '/')
-                       filename[--len] = '\0';
+               newfile = last_char_is(filename, '/');
+               if (newfile)
+                       *newfile = '\0';
 
                while ((entry = readdir(dir))) {
-                       char newfile[BUFSIZ + 1];
                        char *name = entry->d_name;
 
                        if ((strcmp(name, "..") == 0)
                                || (strcmp(name, ".") == 0)) {
                                continue;
                        }
-
-                       if (len + strlen(name) + 1 > BUFSIZ) {
-                               error_msg(name_too_long);
-                               du_depth--;
-                               return 0;
-                       }
-                       sprintf(newfile, "%s/%s", filename, name);
-
+                       newfile = concat_path_file(filename, name);
                        sum += du(newfile);
+                       free(newfile);
                }
                closedir(dir);
                print(sum, filename);
-       }
-       else if (statbuf.st_nlink > 1 && !count_hardlinks) {
+       } else if (statbuf.st_nlink > 1 && !count_hardlinks) {
                /* Add files with hard links only once */
                if (is_in_ino_dev_hashtable(&statbuf, NULL)) {
                        sum = 0L;
                        if (du_depth == 1)
                                print(sum, filename);
-               }
-               else {
+               } else {
                        add_to_ino_dev_hashtable(&statbuf, NULL);
                }
        }
@@ -132,17 +137,34 @@ int du_main(int argc, char **argv)
        print = print_normal;
 
        /* parse argv[] */
-       while ((c = getopt(argc, argv, "sl")) != EOF) {
-                       switch (c) {
-                       case 's':
-                                       print = print_summary;
-                                       break;
-                       case 'l':
-                                       count_hardlinks = 1;
-                                       break;
-                       default:
-                                       usage(du_usage);
-                       }
+       while ((c = getopt(argc, argv, "slx"
+#ifdef CONFIG_FEATURE_HUMAN_READABLE
+                                          "hm"
+#endif
+                                          "k")) != EOF) {
+               switch (c) {
+               case 's':
+                       print = print_summary;
+                       break;
+               case 'l':
+                       count_hardlinks = 1;
+                       break;
+               case 'x':
+                       one_file_system = 1;
+                       break;
+#ifdef CONFIG_FEATURE_HUMAN_READABLE
+               case 'h':
+                       disp_hr = 0;
+                       break;
+               case 'm':
+                       disp_hr = MEGABYTE;
+                       break;
+#endif
+               case 'k':
+                       break;
+               default:
+                       show_usage();
+               }
        }
 
        /* go through remaining args (if any) */
@@ -152,10 +174,9 @@ int du_main(int argc, char **argv)
        } else {
                long sum;
 
-               for (i=optind; i < argc; i++) {
-                       if ((sum = du(argv[i])) == 0)
-                               status = EXIT_FAILURE;
-                       if (is_directory(argv[i], FALSE, NULL)==FALSE) {
+               for (i = optind; i < argc; i++) {
+                       sum = du(argv[i]);
+                       if (is_directory(argv[i], FALSE, NULL) == FALSE) {
                                print_normal(sum, argv[i]);
                        }
                        reset_ino_dev_hashtable();
@@ -165,7 +186,7 @@ int du_main(int argc, char **argv)
        return status;
 }
 
-/* $Id: du.c,v 1.33 2001/01/18 02:57:08 kraai Exp $ */
+/* $Id: du.c,v 1.55 2002/08/23 07:28:45 aaronl Exp $ */
 /*
 Local Variables:
 c-file-style: "linux"