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authorErik Andersen2000-02-07 05:29:42 +0000
committerErik Andersen2000-02-07 05:29:42 +0000
commitfac10d7c59f7db0facd5fb94de273310b9ec86e6 (patch)
treedccf8f905fc5807239883da9fca6597037d487fc /du.c
parent50bc101b7d6e847a9a0621ca3eb28c7117d095e5 (diff)
downloadbusybox-fac10d7c59f7db0facd5fb94de273310b9ec86e6.zip
busybox-fac10d7c59f7db0facd5fb94de273310b9ec86e6.tar.gz
A few minor updates. ;-)
Seriously though, read the Changelog for busybox 0.42, which this is about to become... -Erik
Diffstat (limited to 'du.c')
-rw-r--r--du.c34
1 files changed, 20 insertions, 14 deletions
diff --git a/du.c b/du.c
index 79b5536..e2cf3f7 100644
--- a/du.c
+++ b/du.c
@@ -22,17 +22,18 @@
*/
#include "internal.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 <errno.h>
-#if 0
-#include <unistd.h>
-#include <sys/stat.h>
-#endif
+#include <sys/param.h> /* for PATH_MAX */
-typedef void (Display)(size_t, char *);
+typedef void (Display)(long, char *);
static const char du_usage[] =
"du [OPTION]... [FILE]...\n\n"
@@ -44,13 +45,13 @@ static int du_depth = 0;
static Display *print;
static void
-print_normal(size_t size, char *filename)
+print_normal(long size, char *filename)
{
- fprintf(stdout, "%-7d %s\n", (size >> 1), filename);
+ fprintf(stdout, "%-7ld %s\n", size, filename);
}
static void
-print_summary(size_t size, char *filename)
+print_summary(long size, char *filename)
{
if (du_depth == 1) {
print_normal(size, filename);
@@ -59,11 +60,11 @@ print_summary(size_t size, char *filename)
/* tiny recursive du */
-static size_t
+static long
du(char *filename)
{
struct stat statbuf;
- size_t sum;
+ long sum;
if ((lstat(filename, &statbuf)) != 0) {
fprintf(stdout, "du: %s: %s\n", filename, strerror(errno));
@@ -80,14 +81,19 @@ du(char *filename)
dir = opendir(filename);
if (!dir) { return 0; }
while ((entry = readdir(dir))) {
- char newfile[512];
+ 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);
@@ -130,14 +136,14 @@ du_main(int argc, char **argv)
if (i >= argc) {
du(".");
} else {
- int sum;
+ long sum;
for ( ; i < argc; i++) {
sum = du(argv[i]);
- if ((sum) && (isDirectory(argv[i]))) { print_normal(sum, argv[i]); }
+ if ((sum) && (isDirectory(argv[i], FALSE))) { print_normal(sum, argv[i]); }
}
}
exit(0);
}
-/* $Id: du.c,v 1.9 2000/01/23 18:19:02 erik Exp $ */
+/* $Id: du.c,v 1.10 2000/02/07 05:29:42 erik Exp $ */