From a975952d885c47aeca013e76194142a47e96d49a Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Thu, 8 Dec 2016 21:29:00 -0600
Subject: Add DIRTREE_PROC to skip non-numeric entries and make ps/top etc use
 it.

---
 lib/dirtree.c | 1 +
 lib/lib.h     | 2 ++
 2 files changed, 3 insertions(+)

(limited to 'lib')

diff --git a/lib/dirtree.c b/lib/dirtree.c
index 07c1cdc7..f9524a5d 100644
--- a/lib/dirtree.c
+++ b/lib/dirtree.c
@@ -151,6 +151,7 @@ int dirtree_recurse(struct dirtree *node,
 
   // The extra parentheses are to shut the stupid compiler up.
   while ((entry = readdir(dir))) {
+    if ((flags&DIRTREE_PROC) && !isdigit(*entry->d_name)) continue;
     if (!(new = dirtree_add_node(node, entry->d_name, flags))) continue;
     new = dirtree_handle_callback(new, callback);
     if (new == DIRTREE_ABORTVAL) break;
diff --git a/lib/lib.h b/lib/lib.h
index 61a1975f..d5a48326 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -73,6 +73,8 @@ void get_optflags(void);
 #define DIRTREE_SHUTUP      16
 // Breadth first traversal, conserves filehandles at the expense of memory
 #define DIRTREE_BREADTH     32
+// skip non-numeric entries
+#define DIRTREE_PROC        64
 // Don't look at any more files in this directory.
 #define DIRTREE_ABORT      256
 
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