From: Sergey Poznyakoff <gray@gnu.org.ua>
Date: Wed, 2 May 2007 04:33:22 +0000 (+0000)
Subject: (struct hol_entry): New member `ord'.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d5d77e65684de1c65c74c1b1d87a6c4f591b045;p=pspp

(struct hol_entry): New member `ord'.
(HOL_ENTRY_PTRCMP): Use ord for comparison
(hol_sort): Initialize ord.
---

diff --git a/lib/argp-help.c b/lib/argp-help.c
index ddb803b149..396e73326f 100644
--- a/lib/argp-help.c
+++ b/lib/argp-help.c
@@ -375,6 +375,9 @@ struct hol_entry
 
   /* The argp from which this option came.  */
   const struct argp *argp;
+
+  /* Position in the array */
+  unsigned ord;
 };
 
 /* A cluster of entries to reflect the argp tree structure.  */
@@ -733,7 +736,7 @@ canon_doc_option (const char **name)
   return non_opt;
 }
 
-#define HOL_ENTRY_PTRCMP(a,b) ((a) < (b) ? -1 : 1)
+#define HOL_ENTRY_PTRCMP(a,b) ((a)->ord < (b)->ord ? -1 : 1)
 
 /* Order ENTRY1 & ENTRY2 by the order which they should appear in a help
    listing.  */
@@ -829,8 +832,14 @@ static void
 hol_sort (struct hol *hol)
 {
   if (hol->num_entries > 0)
-    qsort (hol->entries, hol->num_entries, sizeof (struct hol_entry),
-	   hol_entry_qcmp);
+    {
+      unsigned i;
+      struct hol_entry *e;
+      for (i = 0, e = hol->entries; i < hol->num_entries; i++, e++)
+	e->ord = i;
+      qsort (hol->entries, hol->num_entries, sizeof (struct hol_entry),
+	     hol_entry_qcmp);
+    }
 }
 
 /* Append MORE to HOL, destroying MORE in the process.  Options in HOL shadow