There's a problem with the umsdos file system that prevents scandir(3)
from working right -- it gives ENOENT instead of EOF upon successful
termination. This occurs because readdir returns ENOENT upon reaching
the end of the directory. The msdos file system has the same
problem. Here's a patch:
--- linux-1.3.29/fs/msdos/dir.c.dist Thu Oct 26 18:11:01 1995
+++ linux-1.3.29/fs/msdos/dir.c Thu Oct 26 18:12:34 1995
@@ -86,7 +86,7 @@
filp->f_pos = 0;
}
if (filp->f_pos & (sizeof(struct msdos_dir_entry)-1))
- return -ENOENT;
+ return NULL;
bh = NULL;
while ((ino = msdos_get_entry(inode,&filp->f_pos,&bh,&de)) > -1) {
if (!IS_FREE(de->name)
--- linux-1.3.29/fs/umsdos/dir.c.dist Thu Oct 26 18:11:02 1995
+++ linux-1.3.29/fs/umsdos/dir.c Thu Oct 26 18:13:51 1995
@@ -259,7 +259,7 @@
}
/*
Read count directory entries from directory filp
- Return a negative value from linux/errno.h.
+ Return a NULL to indicate end of file
Return > 0 if success (the amount of byte written to dirent)
*/
static int UMSDOS_readdir(
@@ -284,7 +284,7 @@
}
PRINTK (("UMSDOS_readdir out %d count %d pos %Ld\n",ret,count
,filp->f_pos));
- return count == 0 ? -ENOENT : ret;
+ return count == 0 ? NULL : ret;
}
/*
Complete the inode content with info from the EMD file
--
Raul
