api: rename SecondHeader.dwg_version to dwg_versions

lo-byte dwg_version, high-byte maint_version

Author: rurban

include/dwg.h

@@ -11347,7 +11347,7 @@ typedef struct _dwg_secondheader
   BITCODE_RC version[11];
   BITCODE_RC is_maint;
   BITCODE_RC zero_one_or_three;
-  BITCODE_BS dwg_version;
+  BITCODE_BS dwg_versions; /* lo byte: dwg, hi: main */
   BITCODE_RS codepage;
   BITCODE_RC num_sections;
   Dwg_SecondHeader_Sections sections[7];

src/2ndheader.spec

@@ -27,10 +27,10 @@ VERSIONS (R_13, R_2000) {
   FIELD_TFF (version, 11, 0);
   FIELD_RC (is_maint, 0);
   FIELD_RC (zero_one_or_three, 0);
-  FIELD_BSx (dwg_version, 0);
+  FIELD_BSx (dwg_versions, 0);
   DECODER {
-    LOG_TRACE("=> header dwg_version: 0x%x\n", _obj->dwg_version & 0xFF);
-    LOG_TRACE("=> header maint_version: 0x%x\n", (_obj->dwg_version >> 8) & 0xFF);
+    LOG_TRACE("=> header dwg_version: 0x%x\n", _obj->dwg_versions & 0xFF);
+    LOG_TRACE("=> header maint_version: 0x%x\n", (_obj->dwg_versions >> 8) & 0xFF);
   }
   FIELD_RS (codepage, 0);
   FIELD_BS (num_sections, 0);

src/encode.c

@@ -3144,7 +3144,7 @@ encode_objfreespace_2ndheader (Dwg_Data *restrict dwg, Bit_Chain *restrict dat)
         }
       _obj->is_maint = dwg->header.is_maint;
       _obj->zero_one_or_three = dwg->header.zero_one_or_three;
-      _obj->dwg_version
+      _obj->dwg_versions
           = (BITCODE_RS)(((BITCODE_RS)dwg->header.maint_version << 8)
                          | dwg->header.dwg_version);
       _obj->codepage = dwg->header.codepage;

src/in_json.c

@@ -4160,7 +4160,7 @@ json_SecondHeader (Bit_Chain *restrict dat, Dwg_Data *restrict dwg,
       FIELD_TFF (version, 11, 0)
       FIELD_RC (is_maint, 0)
       FIELD_RC (zero_one_or_three, 0)
-      FIELD_BS (dwg_version, 0)
+      FIELD_BS (dwg_versions, 0)
       FIELD_RS (codepage, 0)
       FIELD_BS (num_sections, 0)
       FIELD_BS (num_handles, 0)