Replace reserved identifiers used in #define guards header files

Use macro names as suggested by the Google C++ Style Guide
(https://google.github.io/styleguide/cppguide.html#The__define_Guard).

Signed-off-by: Stefan Weil <sw@weilnetz.de>

Author: stweil

api/apitypes.h

@@ -17,8 +17,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_API_APITYPES_H__
-#define TESSERACT_API_APITYPES_H__
+#ifndef TESSERACT_API_APITYPES_H_
+#define TESSERACT_API_APITYPES_H_
 
 #include "publictypes.h"
 
@@ -30,4 +30,4 @@
 // than the lower-level one, and lower-level code should be sure to include
 // only the lower-level file.
 
-#endif  // TESSERACT_API_APITYPES_H__
+#endif  // TESSERACT_API_APITYPES_H_

api/baseapi.h

@@ -17,8 +17,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_API_BASEAPI_H__
-#define TESSERACT_API_BASEAPI_H__
+#ifndef TESSERACT_API_BASEAPI_H_
+#define TESSERACT_API_BASEAPI_H_
 
 #define TESSERACT_VERSION_STR "4.00.00alpha"
 #define TESSERACT_VERSION 0x040000
@@ -909,4 +909,4 @@ class TESS_API TessBaseAPI {
 STRING HOcrEscape(const char* text);
 }  // namespace tesseract.
 
-#endif  // TESSERACT_API_BASEAPI_H__
+#endif  // TESSERACT_API_BASEAPI_H_

api/renderer.h

@@ -15,8 +15,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_API_RENDERER_H__
-#define TESSERACT_API_RENDERER_H__
+#ifndef TESSERACT_API_RENDERER_H_
+#define TESSERACT_API_RENDERER_H_
 
 // To avoid collision with other typenames include the ABSOLUTE MINIMUM
 // complexity of includes here. Use forward declarations wherever possible
@@ -251,4 +251,4 @@ class TESS_API TessOsdRenderer : public TessResultRenderer {
 
 }  // namespace tesseract.
 
-#endif  // TESSERACT_API_RENDERER_H__
+#endif  // TESSERACT_API_RENDERER_H_

ccmain/equationdetect.h

@@ -17,8 +17,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCMAIN_EQUATIONDETECT_H__
-#define TESSERACT_CCMAIN_EQUATIONDETECT_H__
+#ifndef TESSERACT_CCMAIN_EQUATIONDETECT_H_
+#define TESSERACT_CCMAIN_EQUATIONDETECT_H_
 
 #include "blobbox.h"
 #include "equationdetectbase.h"

ccmain/ltrresultiterator.h

@@ -18,8 +18,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCMAIN_LTR_RESULT_ITERATOR_H__
-#define TESSERACT_CCMAIN_LTR_RESULT_ITERATOR_H__
+#ifndef TESSERACT_CCMAIN_LTR_RESULT_ITERATOR_H_
+#define TESSERACT_CCMAIN_LTR_RESULT_ITERATOR_H_
 
 #include "platform.h"
 #include "pageiterator.h"
@@ -218,4 +218,4 @@ class ChoiceIterator {
 
 }  // namespace tesseract.
 
-#endif  // TESSERACT_CCMAIN_LTR_RESULT_ITERATOR_H__
+#endif  // TESSERACT_CCMAIN_LTR_RESULT_ITERATOR_H_

ccmain/mutableiterator.h

@@ -18,8 +18,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCMAIN_MUTABLEITERATOR_H__
-#define TESSERACT_CCMAIN_MUTABLEITERATOR_H__
+#ifndef TESSERACT_CCMAIN_MUTABLEITERATOR_H_
+#define TESSERACT_CCMAIN_MUTABLEITERATOR_H_
 
 #include "resultiterator.h"
 
@@ -61,4 +61,4 @@ class MutableIterator : public ResultIterator {
 
 }  // namespace tesseract.
 
-#endif  // TESSERACT_CCMAIN_MUTABLEITERATOR_H__
+#endif  // TESSERACT_CCMAIN_MUTABLEITERATOR_H_

ccmain/osdetect.h

@@ -17,8 +17,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCMAIN_OSDETECT_H__
-#define TESSERACT_CCMAIN_OSDETECT_H__
+#ifndef TESSERACT_CCMAIN_OSDETECT_H_
+#define TESSERACT_CCMAIN_OSDETECT_H_
 
 #include "strngs.h"
 #include "unicharset.h"
@@ -135,4 +135,4 @@ bool os_detect_blob(BLOBNBOX* bbox, OrientationDetector* o,
 // applied for the text to be upright (readable).
 TESS_API int OrientationIdToValue(const int& id);
 
-#endif  // TESSERACT_CCMAIN_OSDETECT_H__
+#endif  // TESSERACT_CCMAIN_OSDETECT_H_

ccmain/pageiterator.h

@@ -18,8 +18,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCMAIN_PAGEITERATOR_H__
-#define TESSERACT_CCMAIN_PAGEITERATOR_H__
+#ifndef TESSERACT_CCMAIN_PAGEITERATOR_H_
+#define TESSERACT_CCMAIN_PAGEITERATOR_H_
 
 #include "publictypes.h"
 #include "platform.h"
@@ -361,4 +361,4 @@ class TESS_API PageIterator {
 
 }  // namespace tesseract.
 
-#endif  // TESSERACT_CCMAIN_PAGEITERATOR_H__
+#endif  // TESSERACT_CCMAIN_PAGEITERATOR_H_

ccmain/resultiterator.h

@@ -19,8 +19,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCMAIN_RESULT_ITERATOR_H__
-#define TESSERACT_CCMAIN_RESULT_ITERATOR_H__
+#ifndef TESSERACT_CCMAIN_RESULT_ITERATOR_H_
+#define TESSERACT_CCMAIN_RESULT_ITERATOR_H_
 
 #include "platform.h"
 #include "ltrresultiterator.h"
@@ -241,4 +241,4 @@ class TESS_API ResultIterator : public LTRResultIterator {
 
 }  // namespace tesseract.
 
-#endif  // TESSERACT_CCMAIN_RESULT_ITERATOR_H__
+#endif  // TESSERACT_CCMAIN_RESULT_ITERATOR_H_

ccmain/tesseractclass.h

@@ -23,8 +23,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCMAIN_TESSERACTCLASS_H__
-#define TESSERACT_CCMAIN_TESSERACTCLASS_H__
+#ifndef TESSERACT_CCMAIN_TESSERACTCLASS_H_
+#define TESSERACT_CCMAIN_TESSERACTCLASS_H_
 
 #include "allheaders.h"
 #include "control.h"
@@ -1277,4 +1277,4 @@ class Tesseract : public Wordrec {
 }  // namespace tesseract
 
 
-#endif  // TESSERACT_CCMAIN_TESSERACTCLASS_H__
+#endif  // TESSERACT_CCMAIN_TESSERACTCLASS_H_

ccmain/thresholder.h

@@ -17,8 +17,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCMAIN_THRESHOLDER_H__
-#define TESSERACT_CCMAIN_THRESHOLDER_H__
+#ifndef TESSERACT_CCMAIN_THRESHOLDER_H_
+#define TESSERACT_CCMAIN_THRESHOLDER_H_
 
 #include "platform.h"
 #include "publictypes.h"
@@ -186,4 +186,4 @@ class TESS_API ImageThresholder {
 
 }  // namespace tesseract.
 
-#endif  // TESSERACT_CCMAIN_THRESHOLDER_H__
+#endif  // TESSERACT_CCMAIN_THRESHOLDER_H_

ccstruct/boxread.h

@@ -17,8 +17,8 @@
  *
  **********************************************************************/
 
-#ifndef TESSERACT_CCUTIL_BOXREAD_H__
-#define TESSERACT_CCUTIL_BOXREAD_H__
+#ifndef TESSERACT_CCUTIL_BOXREAD_H_
+#define TESSERACT_CCUTIL_BOXREAD_H_
 
 #include <stdio.h>
 #include "genericvector.h"
@@ -82,4 +82,4 @@ bool ParseBoxFileStr(const char* boxfile_str, int* page_number,
 void MakeBoxFileStr(const char* unichar_str, const TBOX& box, int page_num,
                     STRING* box_str);
 
-#endif  // TESSERACT_CCUTIL_BOXREAD_H__
+#endif  // TESSERACT_CCUTIL_BOXREAD_H_

ccstruct/boxword.h

@@ -17,8 +17,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CSTRUCT_BOXWORD_H__
-#define TESSERACT_CSTRUCT_BOXWORD_H__
+#ifndef TESSERACT_CSTRUCT_BOXWORD_H_
+#define TESSERACT_CSTRUCT_BOXWORD_H_
 
 #include "genericvector.h"
 #include "rect.h"
@@ -98,4 +98,4 @@ class BoxWord {
 }  // namespace tesseract.
 
 
-#endif  // TESSERACT_CSTRUCT_BOXWORD_H__
+#endif  // TESSERACT_CSTRUCT_BOXWORD_H_

ccstruct/ccstruct.h

@@ -16,8 +16,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCSTRUCT_CCSTRUCT_H__
-#define TESSERACT_CCSTRUCT_CCSTRUCT_H__
+#ifndef TESSERACT_CCSTRUCT_CCSTRUCT_H_
+#define TESSERACT_CCSTRUCT_CCSTRUCT_H_
 
 #include "cutil.h"
 
@@ -41,4 +41,4 @@ class Tesseract;
 }  // namespace tesseract
 
 
-#endif  // TESSERACT_CCSTRUCT_CCSTRUCT_H__
+#endif  // TESSERACT_CCSTRUCT_CCSTRUCT_H_

ccstruct/dppoint.h

@@ -17,8 +17,8 @@
  *
  **********************************************************************/
 
-#ifndef TESSERACT_CCSTRUCT_DPPOINT_H__
-#define TESSERACT_CCSTRUCT_DPPOINT_H__
+#ifndef TESSERACT_CCSTRUCT_DPPOINT_H_
+#define TESSERACT_CCSTRUCT_DPPOINT_H_
 
 #include "host.h"
 
@@ -98,5 +98,5 @@ class DPPoint {
 
 }  // namespace tesseract.
 
-#endif  // TESSERACT_CCSTRUCT_DPPOINT_H__
+#endif  // TESSERACT_CCSTRUCT_DPPOINT_H_
 

ccstruct/matrix.h

@@ -26,8 +26,8 @@
  ** limitations under the License.
  *
  *********************************************************************************/
-#ifndef TESSERACT_CCSTRUCT_MATRIX_H__
-#define TESSERACT_CCSTRUCT_MATRIX_H__
+#ifndef TESSERACT_CCSTRUCT_MATRIX_H_
+#define TESSERACT_CCSTRUCT_MATRIX_H_
 
 #include <math.h>
 #include "kdpair.h"
@@ -632,4 +632,4 @@ struct MATRIX_COORD {
 // The MatrixCoordPair contains a MATRIX_COORD and its priority.
 typedef tesseract::KDPairInc<float, MATRIX_COORD> MatrixCoordPair;
 
-#endif  // TESSERACT_CCSTRUCT_MATRIX_H__
+#endif  // TESSERACT_CCSTRUCT_MATRIX_H_

ccstruct/otsuthr.h

@@ -17,8 +17,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCMAIN_OTSUTHR_H__
-#define TESSERACT_CCMAIN_OTSUTHR_H__
+#ifndef TESSERACT_CCMAIN_OTSUTHR_H_
+#define TESSERACT_CCMAIN_OTSUTHR_H_
 
 struct Pix;
 
@@ -53,4 +53,4 @@ int OtsuStats(const int* histogram, int* H_out, int* omega0_out);
 
 }  // namespace tesseract.
 
-#endif  // TESSERACT_CCMAIN_OTSUTHR_H__
+#endif  // TESSERACT_CCMAIN_OTSUTHR_H_

ccstruct/publictypes.h

@@ -17,8 +17,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCSTRUCT_PUBLICTYPES_H__
-#define TESSERACT_CCSTRUCT_PUBLICTYPES_H__
+#ifndef TESSERACT_CCSTRUCT_PUBLICTYPES_H_
+#define TESSERACT_CCSTRUCT_PUBLICTYPES_H_
 
 // This file contains types that are used both by the API and internally
 // to Tesseract. In order to decouple the API from Tesseract and prevent cyclic
@@ -276,4 +276,4 @@ enum OcrEngineMode {
 
 }  // namespace tesseract.
 
-#endif  // TESSERACT_CCSTRUCT_PUBLICTYPES_H__
+#endif  // TESSERACT_CCSTRUCT_PUBLICTYPES_H_

ccutil/bitvector.h

@@ -20,8 +20,8 @@
 ///////////////////////////////////////////////////////////////////////
 
 
-#ifndef TESSERACT_CCUTIL_BITVECTOR_H__
-#define TESSERACT_CCUTIL_BITVECTOR_H__
+#ifndef TESSERACT_CCUTIL_BITVECTOR_H_
+#define TESSERACT_CCUTIL_BITVECTOR_H_
 
 #include <assert.h>
 #include <stdio.h>
@@ -140,4 +140,4 @@ class BitVector {
 
 }  // namespace tesseract.
 
-#endif  // TESSERACT_CCUTIL_BITVECTOR_H__
+#endif  // TESSERACT_CCUTIL_BITVECTOR_H_

ccutil/ccutil.h

@@ -16,8 +16,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCUTIL_CCUTIL_H__
-#define TESSERACT_CCUTIL_CCUTIL_H__
+#ifndef TESSERACT_CCUTIL_CCUTIL_H_
+#define TESSERACT_CCUTIL_CCUTIL_H_
 
 #include "ambigs.h"
 #include "errcode.h"
@@ -94,4 +94,4 @@ class CCUtil {
 extern CCUtilMutex tprintfMutex;  // should remain global
 }  // namespace tesseract
 
-#endif  // TESSERACT_CCUTIL_CCUTIL_H__
+#endif  // TESSERACT_CCUTIL_CCUTIL_H_

ccutil/host.h

@@ -42,8 +42,8 @@
  ** limitations under the License.
  */
 
-#ifndef   __HOST__
-#define   __HOST__
+#ifndef TESSERACT_CCUTIL_HOST_H_
+#define TESSERACT_CCUTIL_HOST_H_
 
 /******************************************************************************
  **                                IMPORTANT!!!                                                                                                                 **
@@ -146,4 +146,4 @@ template<class T> bool NearlyEqual(T x, T y, T tolerance) {
   return diff <= tolerance && -diff <= tolerance;
 }
 
-#endif
+#endif // TESSERACT_CCUTIL_HOST_H_

ccutil/platform.h

@@ -17,8 +17,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef TESSERACT_CCUTIL_PLATFORM_H__
-#define TESSERACT_CCUTIL_PLATFORM_H__
+#ifndef TESSERACT_CCUTIL_PLATFORM_H_
+#define TESSERACT_CCUTIL_PLATFORM_H_
 
 #include <string.h>
 
@@ -89,4 +89,4 @@
       (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
 #endif
 
-#endif  // TESSERACT_CCUTIL_PLATFORM_H__
+#endif  // TESSERACT_CCUTIL_PLATFORM_H_

ccutil/tesscallback.h

@@ -16,8 +16,8 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifndef _TESS_CALLBACK_SPECIALIZATIONS_H
-#define _TESS_CALLBACK_SPECIALIZATIONS_H
+#ifndef TESS_CALLBACK_SPECIALIZATIONS_H_
+#define TESS_CALLBACK_SPECIALIZATIONS_H_
 
 #include "host.h"  // For NULL.
 
@@ -9718,4 +9718,4 @@ NewPermanentTessCallback(R (*function)(P1,P2,P3,P4,P5,P6,A1,A2,A3,A4,A5), typena
   return new _TessFunctionResultCallback_6_5<false,R,P1,P2,P3,P4,P5,P6,A1,A2,A3,A4,A5>(function, p1, p2, p3, p4, p5, p6);
 }
 
-#endif /* _TESS_CALLBACK_SPECIALIZATIONS_H */
+#endif // TESS_CALLBACK_SPECIALIZATIONS_H_