Patch from Vladimir to use last_char_is to simplify du.c

git-svn-id: svn://busybox.net/trunk/busybox@2563 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 5 insertions, 6 deletions

diff --git a/du.c b/du.c
index b618e0760..3e4821a39 100644
--- a/du.c
+++ b/du.c
@@ -76,7 +76,6 @@ static long du(char *filename)
 {
         struct stat statbuf;
         long sum;
-        int len;
 
         if ((lstat(filename, &statbuf)) != 0) {
                 perror_msg("%s", filename);
@@ -95,6 +94,7 @@ static long du(char *filename)
         if (S_ISDIR(statbuf.st_mode)) {
                 DIR *dir;
                 struct dirent *entry;
+                char *newfile;
 
                 dir = opendir(filename);
                 if (!dir) {
@@ -102,12 +102,11 @@ 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;
                         char *name = entry->d_name;
 
                         if ((strcmp(name, "..") == 0)
@@ -188,7 +187,7 @@ int du_main(int argc, char **argv)
         return status;
 }
 
-/* $Id: du.c,v 1.46 2001/05/03 04:45:40 kraai Exp $ */
+/* $Id: du.c,v 1.47 2001/05/07 22:49:43 andersen Exp $ */
 /*
 Local Variables:
 c-file-style: "linux"