From bd6ffa19e41ee1a203eb7d132f525ec751afd86a Mon Sep 17 00:00:00 2001
From: Linas Vepstas <linas@linas.org>
Date: Sun, 1 Feb 1998 20:43:24 +0000
Subject: [PATCH] rework the ledger utils

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@480 57a11ea4-9604-0410-9ed3-97b8803252fd
---
 src/LedgerUtils.c | 154 ----------------------------------------------
 src/RegWindow.c   |  85 +++++++++++++++++++++++++
 2 files changed, 85 insertions(+), 154 deletions(-)

diff --git a/src/LedgerUtils.c b/src/LedgerUtils.c
index 0e745befd5..d31f711b0b 100644
--- a/src/LedgerUtils.c
+++ b/src/LedgerUtils.c
@@ -170,158 +170,4 @@ xaccGroupToList (Account *acc)
    return list;
 }
 
-/* ------------------------------------------------------ */
-
-int 
-ledgerListCount (struct _RegWindow **list)
-{
-   struct _RegWindow *reg;
-   int n;
-
-   if (!list) return 0;
-
-   n = 0;
-   reg = list[0];
-   while (reg) {
-      n++;
-      reg = list[n];
-   }
-   return n;
-}
-
-/* ------------------------------------------------------ */
-
-void 
-ledgerListAdd (Account * acc, struct _RegWindow *addreg)
-{
-   struct _RegWindow **oldlist;
-   struct _RegWindow **newlist;
-   struct _RegWindow *reg;
-   int n;
-
-   if (!acc) return;
-   if (!addreg) return;
-
-/*   oldlist = acc->ledgerList; */
-   n = ledgerListCount (oldlist);
-
-   newlist = (struct _RegWindow **) 
-               _malloc ((n+2) * sizeof (struct _RegWindow *));
-
-   n = 0;
-   if (oldlist) {
-      reg = oldlist[0];
-      while (reg) {
-         newlist[n] = reg;
-         n++;
-         reg = oldlist[n];
-      }
-      _free (oldlist);
-   }
-   newlist[n] = addreg;
-   newlist[n+1] = NULL;
-
-/*    acc->ledgerList = newlist; */
-}
-
-/* ------------------------------------------------------ */
-
-void 
-ledgerListRemove (Account * acc, struct _RegWindow *delreg)
-{
-   struct _RegWindow **oldlist;
-   struct _RegWindow **newlist;
-   struct _RegWindow *reg;
-   int n, i;
-
-   if (!acc) return;
-   if (!delreg) return;
-
-   /* oldlist = acc->ledgerList; */
-   n = ledgerListCount (oldlist);
-
-   newlist = (struct _RegWindow **) 
-               _malloc ((n+1) * sizeof (struct _RegWindow *));
-
-   n = 0;
-   i = 0;
-   if (oldlist) {
-      reg = oldlist[0];
-      while (reg) {
-         newlist[i] = reg;
-         if (delreg == reg) i--;
-         i++;
-         n++;
-         reg = oldlist[n];
-      }
-      _free (oldlist);
-   }
-   newlist[i] = NULL;
-
-   /* acc->ledgerList = newlist; */
-}
-
-/* ------------------------------------------------------ */
-
-int
-ledgerListIsMember (Account * acc, struct _RegWindow *memreg)
-{
-   struct _RegWindow **list;
-   struct _RegWindow *reg;
-   int n;
-
-   if (!acc) return 0;
-   if (!memreg) return 0;
-
-   /* list = acc->ledgerList; */
-   if (!list) return 0;
-
-   n = 0;
-   reg = list[0];
-   while (reg) {
-      if (memreg == reg) return 1;
-      n++;
-      reg = list[n];
-   }
-   return 0;
-}
-
-/* ------------------------------------------------------ */
-
-void
-ledgerListAddList (Account ** list, struct _RegWindow *reg)
-{
-   Account *acc;
-   int n = 0;
-
-   if (!list) return;
-   if (!reg) return;
-
-   acc = list[0];
-   while (acc) {
-      ledgerListAdd (acc, reg);
-      n++;
-      acc = list[n];
-   }
-}
-
-/* ------------------------------------------------------ */
-
-void
-ledgerListRemoveList (Account ** list, struct _RegWindow *reg)
-{
-   Account *acc;
-   int n = 0;
-
-   if (!list) return;
-   if (!reg) return;
-
-   acc = list[0];
-   while (acc) {
-      ledgerListRemove (acc, reg);
-      n++;
-      acc = list[n];
-   }
-}
-
 /************************** END OF FILE *************************/
diff --git a/src/RegWindow.c b/src/RegWindow.c
index c72e5a2795..11dcfa1bce 100644
--- a/src/RegWindow.c
+++ b/src/RegWindow.c
@@ -99,6 +99,91 @@ static void recordCB( Widget mw, XtPointer cd, XtPointer cb );
 static void deleteCB( Widget mw, XtPointer cd, XtPointer cb );
 static void cancelCB( Widget mw, XtPointer cd, XtPointer cb );
 
+/********************************************************************\
+ * Ledger utilities                                                 *
+\********************************************************************/
+
+int 
+ledgerListCount (RegWindow **list)
+{
+   int n = 0;
+   if (!list) return 0;
+   while (list[n]) n++;
+   return n;
+}
+
+/* ------------------------------------------------------ */
+
+RegWindow ** 
+ledgerListAdd (RegWindow **oldlist, RegWindow *addreg)
+{
+   RegWindow **newlist;
+   RegWindow *reg;
+   int n;
+
+   if (!addreg) return oldlist;
+
+   n = ledgerListCount (oldlist);
+   newlist = (RegWindow **) _malloc ((n+2) * sizeof (RegWindow *));
+
+   n = 0;
+   if (oldlist) {
+      reg = oldlist[0];
+      while (reg) {
+         newlist[n] = reg;
+         n++;
+         reg = oldlist[n];
+      }
+      _free (oldlist);
+   }
+   newlist[n] = addreg;
+   newlist[n+1] = NULL;
+
+   return newlist;
+}
+
+/* ------------------------------------------------------ */
+
+void
+ledgerListRemove (RegWindow **list, RegWindow *delreg)
+{
+   RegWindow *reg;
+   int n, i;
+
+   if (!list) return;
+   if (!delreg) return;
+
+   n = 0;
+   i = 0; 
+   while (list[n]) {
+      list[i] = list[n];
+      if (delreg == list[n]) i--;
+      i++;
+      n++;
+   }
+   list[i] = NULL;
+}
+
+/* ------------------------------------------------------ */
+
+int
+ledgerIsMember (RegWindow *reg, Account * acc)
+{
+   int n; 
+
+   if (!acc) return 0;
+   if (!reg) return 0;
+
+   if (acc == reg->leader) return 1;
+
+   n = 0;
+   while (reg->blackacc[n]) {
+      if (acc == reg->blackacc[n]) return 1;
+      n++;
+   }
+   return 0;
+}
+
 /********************************************************************\
  * regWindowSimple                                                  *
  *   opens up a register window for Account account                 *