From acd73a13652886550afb341d77eab02c28387bf2 Mon Sep 17 00:00:00 2001
From: Jim Warner <james.warner@comcast.net>
Date: Fri, 28 Oct 2011 20:38:08 -0500
Subject: [PATCH] top: provided for nls table integrity validation

---
 top/top.h     |  1 +
 top/top_nls.c | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/top/top.h b/top/top.h
index 866fc5e4..fdb6449e 100644
--- a/top/top.h
+++ b/top/top.h
@@ -41,6 +41,7 @@
 //#define TREE_NORESET            /* sort keys do NOT force forest view OFF  */
 //#define TREE_ONEPASS            /* for speed, tolerate dangling children   */
 //#define USE_X_COLHDR            /* emphasize header vs. whole col, for 'x' */
+//#define VALIDATE_NLS            /* validate integrity of all 3 nls tables  */
 
 
 /*######  Notes, etc.  ###################################################*/
diff --git a/top/top_nls.c b/top/top_nls.c
index b9a772c7..034e7545 100644
--- a/top/top_nls.c
+++ b/top/top_nls.c
@@ -589,7 +589,34 @@ static void build_uniq_nsltab (void) {
         /*
          * Duh... */
 void initialize_nsl (void) {
+#ifdef VALIDATE_NLS
+   static const char *nls_err ="\t%s_nlstab[%d] == NULL\n";
+   int i;
+
+   memset(Desc_nlstab, 0, sizeof(Desc_nlstab));
+   build_desc_nlstab();
+   for (i = 0; i < P_MAXPFLGS; i++)
+      if (!Desc_nlstab[i]) {
+         fprintf(stderr, nls_err, "Desc", i);
+         exit(1);
+      }
+   memset(Norm_nlstab, 0, sizeof(Norm_nlstab));
+   build_norm_nlstab();
+   for (i = 0; i < norm_MAX; i++)
+      if (!Norm_nlstab[i]) {
+         fprintf(stderr, nls_err, "Norm", i);
+         exit(1);
+      }
+   memset(Uniq_nlstab, 0, sizeof(Uniq_nlstab));
+   build_uniq_nsltab();
+   for (i = 0; i < uniq_MAX; i++)
+      if (!Uniq_nlstab[i]) {
+         fprintf(stderr, nls_err, "Uniq", i);
+         exit(1);
+      }
+#else
    build_desc_nlstab();
    build_norm_nlstab();
    build_uniq_nsltab();
+#endif
 }