Scrub up some lingering problems preventing readdir64 from working

and creating several *64 problems, particualrly when client apps
used -D_FILE_OFFSET_BITS=64 -D__USE_FILE_OFFSET64.  All better now.
 -Erik

1 files changed, 5 insertions, 4 deletions

diff --git a/libc/misc/dirent/opendir.c b/libc/misc/dirent/opendir.c
index 25b5873e1..e2a6000ca 100644
--- a/libc/misc/dirent/opendir.c
+++ b/libc/misc/dirent/opendir.c
@@ -37,19 +37,20 @@ DIR *opendir(const char *name)
 		return NULL;
 	}
 
+	ptr->dd_fd = fd;
+	ptr->dd_nextloc = ptr->dd_size = ptr->dd_nextoff = 0;
+	ptr->dd_getdents = unknown;
+
 	ptr->dd_max = statbuf.st_blksize;
 	if (ptr->dd_max < 512)
 		ptr->dd_max = 512;
 
-	if (!(buf = malloc(ptr->dd_max))) {
+	if (!(buf = calloc(1, ptr->dd_max))) {
 		close(fd);
 		free(ptr);
 		__set_errno(ENOMEM);
 		return NULL;
 	}
-	ptr->dd_fd = fd;
-	ptr->dd_nextoff = ptr->dd_nextloc = ptr->dd_size = 0;
 	ptr->dd_buf = buf;
-	ptr->dd_getdents = unknown;
 	return ptr;
 }