From 7dfcc480ba1e19bd3232349fc733caef94034292 Mon Sep 17 00:00:00 2001
From: stainer_t <thomas.stainer@oecd-nea.org>
Date: Mon, 8 Sep 2025 13:48:49 +0200
Subject: Initial commit from Polytechnique Montreal

---
 Ganlib/src/cleopn.c | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 Ganlib/src/cleopn.c

(limited to 'Ganlib/src/cleopn.c')

diff --git a/Ganlib/src/cleopn.c b/Ganlib/src/cleopn.c
new file mode 100644
index 0000000..c842a1f
--- /dev/null
+++ b/Ganlib/src/cleopn.c
@@ -0,0 +1,96 @@
+
+/*****************************************/
+/*             CLE-2000 API              */
+/*    LIFO stack utility for CLE-2000    */
+/*     AUTHOR: A. Hebert ; 27/07/10      */
+/*****************************************/
+
+#include <stdlib.h>
+#include <string.h>
+#include "cle2000.h"
+
+void cleopn(lifo **my_lifo)
+{
+   (*my_lifo) = (lifo *) malloc(sizeof(lifo));
+   (*my_lifo)->nup = 0;
+   (*my_lifo)->root = NULL;
+   (*my_lifo)->node = NULL;
+}
+lifo_node * clepop(lifo **my_lifo)
+{
+   lifo_node *my_node;
+   if ((*my_lifo)->nup == 0) return NULL;
+   my_node = (*my_lifo)->node;
+   (*my_lifo)->node = my_node->daughter;
+   my_node->daughter = NULL;
+   (*my_lifo)->nup--;
+   return my_node;
+}
+void clepush(lifo **my_lifo, lifo_node *my_node)
+{
+   lifo_node *daughter_node;
+   if ((*my_lifo)->nup == 0) {
+      (*my_lifo)->root = my_node;
+      daughter_node = NULL;
+   } else {
+      daughter_node = (*my_lifo)->node;
+   }
+   (*my_lifo)->node = my_node;
+   (*my_lifo)->node->daughter = daughter_node;
+   (*my_lifo)->nup++;
+}
+int_32 clecls(lifo **my_lifo)
+{
+   if ((*my_lifo)->nup != 0) return -1;
+   free(*my_lifo);
+   (*my_lifo) = NULL;
+   return 0;
+}
+lifo_node * clenode(lifo **my_lifo, const char *name)
+{
+   lifo_node *my_node;
+   my_node = (*my_lifo)->node;
+   if (my_node == NULL) return NULL;
+   while (my_node->daughter != NULL) {
+      if (strcmp(my_node->name, name) == 0) return my_node;
+      my_node = my_node->daughter;
+   }
+   if (strcmp(my_node->name, name) == 0) return my_node;
+   return NULL;
+}
+lifo_node * clepos(lifo **my_lifo, int_32 ipos)
+{
+   lifo_node *my_node;
+   int_32 iloop;
+   if ((ipos > (*my_lifo)->nup - 1) || (ipos < 0)) return NULL;
+   my_node = (*my_lifo)->node;
+   for (iloop = 0; iloop < (*my_lifo)->nup - ipos - 1; ++iloop) {
+      my_node = my_node->daughter;
+   }
+   return my_node;
+}
+void clelib(lifo **my_lifo)
+{
+   lifo_node *my_node;
+   int_32 iloop;
+   printf("\n lifo content:\n node     type   name........ access  OSname/value\n");
+   for (iloop = 0; iloop < (*my_lifo)->nup; ++iloop) {
+      my_node = clepos(my_lifo, iloop);
+      if (abs((int)my_node->type) < 10) {
+         printf(" %4d    (%4d)  %12s   (%2d)  %s\n", (int)iloop, (int)my_node->type, my_node->name, (int)my_node->access, my_node->OSname);
+      } else if ((int)my_node->type == 11) {
+         printf(" %4d    (%4d)  %12s         val = %d\n", (int)iloop, (int)my_node->type, my_node->name, my_node->value.ival);
+      } else if ((int)my_node->type == 12) {
+         printf(" %4d    (%4d)  %12s         val = %e\n", (int)iloop, (int)my_node->type, my_node->name, my_node->value.fval);
+      } else if ((int)my_node->type == 13) {
+         printf(" %4d    (%4d)  %12s         val = '%s'\n", (int)iloop, (int)my_node->type, my_node->name, my_node->value.hval);
+      } else if ((int)my_node->type == 14) {
+         printf(" %4d    (%4d)  %12s         val = %e\n", (int)iloop, (int)my_node->type, my_node->name, my_node->value.dval);
+      } else if ((int)my_node->type == 15) {
+         printf(" %4d    (%4d)  %12s         val = %d\n", (int)iloop, (int)my_node->type, my_node->name, my_node->value.ival);
+      } else {
+         printf(" %4d    (%4d)  %12s\n", (int)iloop, (int)my_node->type, my_node->name);
+      }
+   }
+   printf("\n access= 0:creation mode / 1:modification mode / 2:read-only mode\n\n");
+}
-- 
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