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-rw-r--r--coreutils/du.c185
1 files changed, 94 insertions, 91 deletions
diff --git a/coreutils/du.c b/coreutils/du.c
index e2cf3f7c0..7151e3a9c 100644
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
/*
* Mini du implementation for busybox
*
@@ -31,119 +32,121 @@
#include <dirent.h>
#include <stdio.h>
#include <errno.h>
-#include <sys/param.h> /* for PATH_MAX */
+#include <sys/param.h> /* for PATH_MAX */
-typedef void (Display)(long, char *);
+typedef void (Display) (long, char *);
static const char du_usage[] =
-"du [OPTION]... [FILE]...\n\n"
-"\t-s\tdisplay only a total for each argument\n"
-;
-static int du_depth = 0;
+ "du [OPTION]... [FILE]...\n\n"
+ "\t-s\tdisplay only a total for each argument\n";
-static Display *print;
+static int du_depth = 0;
-static void
-print_normal(long size, char *filename)
+static Display *print;
+
+static void print_normal(long size, char *filename)
{
- fprintf(stdout, "%-7ld %s\n", size, filename);
+ fprintf(stdout, "%-7ld %s\n", size, filename);
}
-static void
-print_summary(long size, char *filename)
+static void print_summary(long size, char *filename)
{
- if (du_depth == 1) {
- print_normal(size, filename);
- }
+ if (du_depth == 1) {
+ print_normal(size, filename);
+ }
}
/* tiny recursive du */
-static long
-du(char *filename)
+static long du(char *filename)
{
- struct stat statbuf;
- long sum;
-
- if ((lstat(filename, &statbuf)) != 0) {
- fprintf(stdout, "du: %s: %s\n", filename, strerror(errno));
- return 0;
- }
-
- du_depth++;
- sum = statbuf.st_blocks;
-
- if (S_ISDIR(statbuf.st_mode)) {
- DIR *dir;
- struct dirent *entry;
-
- dir = opendir(filename);
- if (!dir) { return 0; }
- while ((entry = readdir(dir))) {
- char newfile[PATH_MAX + 1];
- char *name = entry->d_name;
-
- if ( (strcmp(name, "..") == 0)
- || (strcmp(name, ".") == 0))
- { continue; }
-
- if (strlen(filename) + strlen(name) + 1 > PATH_MAX) {
- fprintf(stderr, name_too_long, "du");
- return 0;
- }
- sprintf(newfile, "%s/%s", filename, name);
-
- sum += du(newfile);
+ struct stat statbuf;
+ long sum;
+
+ if ((lstat(filename, &statbuf)) != 0) {
+ fprintf(stdout, "du: %s: %s\n", filename, strerror(errno));
+ return 0;
}
- closedir(dir);
- print(sum, filename);
- }
- du_depth--;
- return sum;
+
+ du_depth++;
+ sum = statbuf.st_blocks;
+
+ if (S_ISDIR(statbuf.st_mode)) {
+ DIR *dir;
+ struct dirent *entry;
+
+ dir = opendir(filename);
+ if (!dir) {
+ return 0;
+ }
+ while ((entry = readdir(dir))) {
+ char newfile[PATH_MAX + 1];
+ char *name = entry->d_name;
+
+ if ((strcmp(name, "..") == 0)
+ || (strcmp(name, ".") == 0)) {
+ continue;
+ }
+
+ if (strlen(filename) + strlen(name) + 1 > PATH_MAX) {
+ fprintf(stderr, name_too_long, "du");
+ return 0;
+ }
+ sprintf(newfile, "%s/%s", filename, name);
+
+ sum += du(newfile);
+ }
+ closedir(dir);
+ print(sum, filename);
+ }
+ du_depth--;
+ return sum;
}
-int
-du_main(int argc, char **argv)
+int du_main(int argc, char **argv)
{
- int i;
- char opt;
-
- /* default behaviour */
- print = print_normal;
-
- /* parse argv[] */
- for (i = 1; i < argc; i++) {
- if (argv[i][0] == '-') {
- opt = argv[i][1];
- switch (opt) {
- case 's':
- print = print_summary;
- break;
- case 'h':
- usage(du_usage);
- break;
- default:
- fprintf(stderr, "du: invalid option -- %c\n", opt);
- usage(du_usage);
- }
- } else {
- break;
+ int i;
+ char opt;
+
+ /* default behaviour */
+ print = print_normal;
+
+ /* parse argv[] */
+ for (i = 1; i < argc; i++) {
+ if (argv[i][0] == '-') {
+ opt = argv[i][1];
+ switch (opt) {
+ case 's':
+ print = print_summary;
+ break;
+ case 'h':
+ usage(du_usage);
+ break;
+ default:
+ fprintf(stderr, "du: invalid option -- %c\n", opt);
+ usage(du_usage);
+ }
+ } else {
+ break;
+ }
}
- }
- /* go through remaining args (if any) */
- if (i >= argc) {
- du(".");
- } else {
- long sum;
- for ( ; i < argc; i++) {
- sum = du(argv[i]);
- if ((sum) && (isDirectory(argv[i], FALSE))) { print_normal(sum, argv[i]); }
+ /* go through remaining args (if any) */
+ if (i >= argc) {
+ du(".");
+ } else {
+ long sum;
+
+ for (; i < argc; i++) {
+ sum = du(argv[i]);
+ if ((sum) && (isDirectory(argv[i], FALSE))) {
+ print_normal(sum, argv[i]);
+ }
+ }
}
- }
- exit(0);
+ exit(0);
}
-/* $Id: du.c,v 1.10 2000/02/07 05:29:42 erik Exp $ */
+/* $Id: du.c,v 1.11 2000/02/08 19:58:47 erik Exp $ */