From d577d991b97ae2b5ee1af23641bcffc3f83af5b2 Mon Sep 17 00:00:00 2001
From: Pixel <pixel@nobis-crew.org>
Date: Wed, 4 Nov 2009 11:56:41 -0800
Subject: Initial import. Contains the im, cd and iup librairies, and a
 "working" Makefile for them under linux.

---
 iup/src/iup_array.c | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100755 iup/src/iup_array.c

(limited to 'iup/src/iup_array.c')

diff --git a/iup/src/iup_array.c b/iup/src/iup_array.c
new file mode 100755
index 0000000..e7d4e12
--- /dev/null
+++ b/iup/src/iup_array.c
@@ -0,0 +1,108 @@
+/** \file
+ * \brief Simple expandable array
+ *
+ * See Copyright Notice in "iup.h"
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <memory.h>
+
+#include "iup_array.h"
+#include "iup_assert.h"
+
+
+struct _Iarray
+{
+  void* data;
+  int count;
+  int max_count;
+  int elem_size;
+  int start_count;
+};
+
+Iarray* iupArrayCreate(int start_count, int elem_size)
+{
+  Iarray* iarray = (Iarray*)malloc(sizeof(Iarray));
+  iarray->count = 0;
+  iarray->elem_size = elem_size;
+  iarray->max_count = start_count;
+  iarray->start_count = start_count;
+  iarray->data = malloc(elem_size*start_count);
+  iupASSERT(iarray->data!=NULL);
+  if (!iarray->data)
+  {
+    free(iarray);
+    return NULL;
+  }
+  memset(iarray->data, 0, elem_size*start_count);
+  return iarray;
+}
+
+void iupArrayDestroy(Iarray* iarray)
+{
+  iupASSERT(iarray!=NULL);
+  if (!iarray)
+    return;
+  if (iarray->data) 
+  {
+    memset(iarray->data, 0, iarray->elem_size*iarray->max_count);
+    free(iarray->data);
+  }
+  free(iarray);
+}
+
+void* iupArrayGetData(Iarray* iarray)
+{
+  iupASSERT(iarray!=NULL);
+  if (!iarray)
+    return NULL;
+  return iarray->data;
+}
+
+void* iupArrayInc(Iarray* iarray)
+{
+  iupASSERT(iarray!=NULL);
+  if (!iarray)
+    return NULL;
+  if (iarray->count >= iarray->max_count)
+  {
+    int old_count = iarray->max_count;
+    iarray->max_count += iarray->start_count;
+    iarray->data = realloc(iarray->data, iarray->elem_size*iarray->max_count);
+    iupASSERT(iarray->data!=NULL);
+    if (!iarray->data)
+      return NULL;
+    memset((unsigned char*)iarray->data + iarray->elem_size*old_count, 0, iarray->elem_size*(iarray->max_count-old_count));
+  }
+  iarray->count++;
+  return iarray->data;
+}
+
+void* iupArrayAdd(Iarray* iarray, int new_count)
+{
+  iupASSERT(iarray!=NULL);
+  if (!iarray)
+    return NULL;
+  if (iarray->count+new_count > iarray->max_count)
+  {
+    int old_count = iarray->max_count;
+    iarray->max_count += new_count;
+    iarray->data = realloc(iarray->data, iarray->elem_size*iarray->max_count);
+    iupASSERT(iarray->data!=NULL);
+    if (!iarray->data)
+      return NULL;
+    memset((unsigned char*)iarray->data + iarray->elem_size*old_count, 0, iarray->elem_size*(iarray->max_count-old_count));
+  }
+  iarray->count += new_count;
+  return iarray->data;
+}
+
+int iupArrayCount(Iarray* iarray)
+{
+  iupASSERT(iarray!=NULL);
+  if (!iarray)
+    return 0;
+  return iarray->count;
+}
-- 
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