Initial commit

Made-with: Cursor
2026-03-12 17:51:30 +08:00
commit 79102a18fb
1507 changed files with 480854 additions and 0 deletions
--- a/astral-service/static/lib/libredwg/examples/odaversion.c
+++ b/astral-service/static/lib/libredwg/examples/odaversion.c
@@ -0,0 +1,76 @@
+/*****************************************************************************/
+/*  LibreDWG - free implementation of the DWG file format                    */
+/*                                                                           */
+/*  Copyright (C) 2023 Free Software Foundation, Inc.                        */
+/*                                                                           */
+/*  This library is free software, licensed under the terms of the GNU       */
+/*  General Public License as published by the Free Software Foundation,     */
+/*  either version 3 of the License, or (at your option) any later version.  */
+/*  You should have received a copy of the GNU General Public License        */
+/*  along with this program.  If not, see <http://www.gnu.org/licenses/>.    */
+/*****************************************************************************/
+
+/*
+ * odaversion.c: prints the ODA compatible DWG version
+ * modified by Reini Urban
+   oda understands those versions:
+    "ACAD9","ACAD10","ACAD12",
+    "ACAD13","ACAD14",
+    "ACAD2000","ACAD2004",
+    "ACAD2007","ACAD2010",
+    "ACAD2013","ACAD2018"
+*/
+
+#include <stdio.h>
+
+int
+main (int argc, char *argv[])
+{
+  FILE *f;
+  char buf[7];
+  size_t size;
+
+  if (argc != 2)
+    return 1;
+  f = fopen (argv[1], "rb");
+  if (!f)
+    return 1;
+  size = fread (buf, 1, 6, f);
+  if (size != 6)
+    return 1;
+  buf[6] = '\0';
+  if (buf[0] == 'A' && buf[1] == 'C')
+    {
+      int v;
+      if (1 != sscanf (buf, "AC%4d", &v))
+        return 1;
+      if (v < 1004) // <r9
+        printf ("\n");
+      else if (v <= 1005)
+        printf ("9\n");
+      else if (v <= 1006)
+        printf ("10\n");
+      else if (v <= 1009)
+        printf ("11\n");
+      else if (v <= 1012)
+        printf ("13\n");
+      else if (v <= 1014)
+        printf ("14\n");
+      else if (v <= 1016)
+        printf ("2000\n");
+      else if (v <= 1018)
+        printf ("2004\n");
+      else if (v <= 1021)
+        printf ("2007\n");
+      else if (v <= 1024)
+        printf ("2010\n");
+      else if (v < 1028)
+        printf ("2013\n");
+      else if (v < 1033)
+        printf ("2018\n");
+      else
+        printf ("\n");
+    }
+  fclose (f);
+  return 0;
+}