enable modernize-use-bool-literals

No copyright, this is a mechanical change

18 files changed, 40 insertions, 40 deletions

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 086f2ee7..d3566b21 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -40,7 +40,7 @@ build_clang_libcpp:
   script:
     - git clone --branch ${CI_COMMIT_REF_NAME} --depth 1 ${TEST_DATA_URL} test-data || git clone --depth 1 ${UPSTREAM_TEST_DATA_URL} test-data
     - mkdir -p build && cd build
-    - CC=clang CXX=clang++ cmake -G Ninja -DCMAKE_CXX_FLAGS=-stdlib=libc++ -DTESTDATADIR=$PWD/../test-data -DCMAKE_CXX_CLANG_TIDY="clang-tidy;-header-filter=.;-checks=-*,performance-*,,bugprone-*,readability-inconsistent-declaration-parameter-name,readability-string-compare,modernize-deprecated-headers,modernize-make-unique,modernize-make-shared,modernize-use-override,modernize-use-equals-delete,modernize-use-emplace,-bugprone-narrowing-conversions,-bugprone-macro-parentheses,-bugprone-suspicious-string-compare,-bugprone-incorrect-roundings,-bugprone-undefined-memory-manipulation;-warnings-as-errors=*" ..
+    - CC=clang CXX=clang++ cmake -G Ninja -DCMAKE_CXX_FLAGS=-stdlib=libc++ -DTESTDATADIR=$PWD/../test-data -DCMAKE_CXX_CLANG_TIDY="clang-tidy;-header-filter=.;-checks=-*,performance-*,,bugprone-*,readability-inconsistent-declaration-parameter-name,readability-string-compare,modernize-deprecated-headers,modernize-make-unique,modernize-make-shared,modernize-use-override,modernize-use-equals-delete,modernize-use-emplace,modernize-use-bool-literals,-bugprone-narrowing-conversions,-bugprone-macro-parentheses,-bugprone-suspicious-string-compare,-bugprone-incorrect-roundings,-bugprone-undefined-memory-manipulation;-warnings-as-errors=*" ..
     - ninja
     - ctest --output-on-failure
 
diff --git a/fofi/FoFiType1.cc b/fofi/FoFiType1.cc
index 9974753e..a4d82f21 100644
--- a/fofi/FoFiType1.cc
+++ b/fofi/FoFiType1.cc
@@ -277,7 +277,7 @@ void FoFiType1::parse() {
 	}
 	for (p = buf; *p == ' ' || *p == '\t'; ++p) ;
 	if (!strncmp(p, "dup", 3)) {
-	  while (1) {
+	  while (true) {
 	    p += 3;
 	    for (; *p == ' ' || *p == '\t'; ++p) ;
 	    code = 0;
diff --git a/glib/poppler-page.cc b/glib/poppler-page.cc
index bc592f88..06c7f7e1 100644
--- a/glib/poppler-page.cc
+++ b/glib/poppler-page.cc
@@ -1144,7 +1144,7 @@ poppler_page_render_to_ps (PopplerPage   *page,
                                     nullptr, pages,
                                     psModePS, (int)ps_file->paper_width,
                                     (int)ps_file->paper_height, ps_file->duplex,
-                                    0, 0, 0, 0, false, false);
+                                    false, 0, 0, 0, false, false);
   }
 
 
diff --git a/poppler/CairoOutputDev.cc b/poppler/CairoOutputDev.cc
index 393093e9..eac8ed09 100644
--- a/poppler/CairoOutputDev.cc
+++ b/poppler/CairoOutputDev.cc
@@ -1652,7 +1652,7 @@ void CairoOutputDev::beginTransparencyGroup(GfxState * /*state*/, const double *
     /* we need to track the shape */
     cairo_push_group (cairo_shape);
   }
-  if (0 && forSoftMask)
+  if (false && forSoftMask)
     cairo_push_group_with_content (cairo, CAIRO_CONTENT_ALPHA);
   else
     cairo_push_group (cairo);
diff --git a/poppler/Catalog.cc b/poppler/Catalog.cc
index c25d15df..eb4c9a54 100644
--- a/poppler/Catalog.cc
+++ b/poppler/Catalog.cc
@@ -246,7 +246,7 @@ bool Catalog::cachePageTree(int page)
     kidsIdxList->push_back(0);
   }
 
-  while(1) {
+  while(true) {
 
     if (std::size_t(page) <= pages.size()) return true;
 
diff --git a/poppler/Function.cc b/poppler/Function.cc
index fc2ff39a..cbbaf1aa 100644
--- a/poppler/Function.cc
+++ b/poppler/Function.cc
@@ -1257,7 +1257,7 @@ bool PostScriptFunction::parseCode(Stream *str, int *codePtr) {
   int opPtr, elsePtr;
   int a, b, mid, cmp;
 
-  while (1) {
+  while (true) {
     GooString tok = getToken(str);
     const char *p = tok.c_str();
     if (isdigit(*p) || *p == '.' || *p == '-') {
@@ -1364,7 +1364,7 @@ GooString PostScriptFunction::getToken(Stream *str) {
 
   GooString s;
   comment = false;
-  while (1) {
+  while (true) {
     if ((c = str->getChar()) == EOF) {
       break;
     }
@@ -1382,7 +1382,7 @@ GooString PostScriptFunction::getToken(Stream *str) {
   if (c == '{' || c == '}') {
     s.append((char)c);
   } else if (isdigit(c) || c == '.' || c == '-') {
-    while (1) {
+    while (true) {
       s.append((char)c);
       c = str->lookChar();
       if (c == EOF || !(isdigit(c) || c == '.' || c == '-')) {
@@ -1392,7 +1392,7 @@ GooString PostScriptFunction::getToken(Stream *str) {
       codeString->append(c);
     }
   } else {
-    while (1) {
+    while (true) {
       s.append((char)c);
       c = str->lookChar();
       if (c == EOF || !isalnum(c)) {
@@ -1417,7 +1417,7 @@ void PostScriptFunction::exec(PSStack *stack, int codePtr) const {
   double r1, r2, result;
   bool b1, b2;
 
-  while (1) {
+  while (true) {
     switch (code[codePtr].type) {
     case psInt:
       stack->pushInt(code[codePtr++].intg);
diff --git a/poppler/GfxState.cc b/poppler/GfxState.cc
index a50bd2c9..5bf9c92a 100644
--- a/poppler/GfxState.cc
+++ b/poppler/GfxState.cc
@@ -4767,7 +4767,7 @@ GfxGouraudTriangleShading *GfxGouraudTriangleShading::parse(GfxResources *res, i
   state = 0;
   flag = 0; // make gcc happy
   bitBuf = new GfxShadingBitBuf(str);
-  while (1) {
+  while (true) {
     if (typeA == 4) {
       if (!bitBuf->getBits(flagBits, &flag)) {
 	break;
@@ -5114,7 +5114,7 @@ GfxPatchMeshShading *GfxPatchMeshShading::parse(GfxResources *res, int typeA, Di
   patchesA = nullptr;
   patchesSize = 0;
   auto bitBuf = std::make_unique<GfxShadingBitBuf>(str);
-  while (1) {
+  while (true) {
     if (!bitBuf->getBits(flagBits, &flag)) {
       break;
     }
diff --git a/poppler/JBIG2Stream.cc b/poppler/JBIG2Stream.cc
index 47114dfa..1e34bbd7 100644
--- a/poppler/JBIG2Stream.cc
+++ b/poppler/JBIG2Stream.cc
@@ -538,7 +538,7 @@ int JBIG2MMRDecoder::getWhiteCode() {
     bufLen = 8;
     ++nBytesRead;
   }
-  while (1) {
+  while (true) {
     if (bufLen >= 11 && ((buf >> (bufLen - 7)) & 0x7f) == 0) {
       if (bufLen <= 12) {
 	code = buf << (12 - bufLen);
@@ -581,7 +581,7 @@ int JBIG2MMRDecoder::getBlackCode() {
     bufLen = 8;
     ++nBytesRead;
   }
-  while (1) {
+  while (true) {
     if (bufLen >= 10 && ((buf >> (bufLen - 6)) & 0x3f) == 0) {
       if (bufLen <= 13) {
 	code = buf << (13 - bufLen);
@@ -1808,7 +1808,7 @@ bool JBIG2Stream::readSymbolDictSeg(unsigned int segNum, unsigned int length,
     j = i;
 
     // read the symbols in this height class
-    while (1) {
+    while (true) {
 
       // read the delta width
       if (huff) {
@@ -3191,7 +3191,7 @@ JBIG2Bitmap *JBIG2Stream::readGenericBitmap(bool mmr, int w, int h,
 
       // convert the run lengths to a bitmap line
       i = 0;
-      while (1) {
+      while (true) {
 	for (x = codingLine[i]; x < codingLine[i+1]; ++x) {
 	  bitmap->setPixel(x, y);
 	}
@@ -3235,7 +3235,7 @@ JBIG2Bitmap *JBIG2Stream::readGenericBitmap(bool mmr, int w, int h,
       }
     }
 
-    ltp = 0;
+    ltp = false;
     cx = cx0 = cx1 = cx2 = 0; // make gcc happy
     for (y = 0; y < h; ++y) {
 
@@ -3890,7 +3890,7 @@ JBIG2Bitmap *JBIG2Stream::readGenericRefinementRegion(int w, int h,
     ltpCX = 0x0010;
   }
 
-  ltp = 0;
+  ltp = false;
   for (y = 0; y < h; ++y) {
 
     if (templ) {
diff --git a/poppler/Lexer.cc b/poppler/Lexer.cc
index e9fd3cea..b381ea7e 100644
--- a/poppler/Lexer.cc
+++ b/poppler/Lexer.cc
@@ -162,7 +162,7 @@ Object Lexer::getObj(int objNum) {
 
   // skip whitespace and comments
   comment = false;
-  while (1) {
+  while (true) {
     if ((c = getChar()) == EOF) {
       return Object(objEOF);
     }
@@ -194,7 +194,7 @@ Object Lexer::getObj(int objNum) {
     } else if (c != '+') {
       xi = c - '0';
     }
-    while (1) {
+    while (true) {
       c = lookChar();
       if (isdigit(c)) {
 	getChar();
@@ -250,7 +250,7 @@ Object Lexer::getObj(int objNum) {
       xf = xll;
     }
     scale = 0.1;
-    while (1) {
+    while (true) {
       c = lookChar();
       if (c == '-') {
 	// ignore minus signs in the middle of numbers to match
@@ -483,7 +483,7 @@ Object Lexer::getObj(int objNum) {
       m = n = 0;
       c2 = 0;
       s = nullptr;
-      while (1) {
+      while (true) {
 	c = getChar();
 	if (c == '>') {
 	  break;
@@ -588,7 +588,7 @@ Object Lexer::getObj(const char *cmdA, int objNum) {
   const char *cmd1 = tokBuf;
   *tokBuf = 0;
   while (strcmp(cmdA, cmd1) && (objNum < 0 || (xref && xref->getNumEntry(getPos()) == objNum))) {
-    while (1) {
+    while (true) {
       if ((c = getChar()) == EOF) {
         return Object(objEOF);
       }
@@ -621,7 +621,7 @@ Object Lexer::getObj(const char *cmdA, int objNum) {
 void Lexer::skipToNextLine() {
   int c;
 
-  while (1) {
+  while (true) {
     c = getChar();
     if (c == EOF || c == '\n') {
       return;
diff --git a/poppler/PSTokenizer.cc b/poppler/PSTokenizer.cc
index ac36fc11..df4367cb 100644
--- a/poppler/PSTokenizer.cc
+++ b/poppler/PSTokenizer.cc
@@ -69,7 +69,7 @@ bool PSTokenizer::getToken(char *buf, int size, int *length) {
 
   // skip leading whitespace and comments
   comment = false;
-  while (1) {
+  while (true) {
     if ((c = getChar()) == EOF) {
       buf[0] = '\0';
       *length = 0;
diff --git a/poppler/Rendition.cc b/poppler/Rendition.cc
index ed3961e3..4ef6a436 100644
--- a/poppler/Rendition.cc
+++ b/poppler/Rendition.cc
@@ -361,7 +361,7 @@ void MediaRendition::outputToFile(FILE* fp) {
 
   embeddedStreamObject.streamReset();
 
-  while (1) {
+  while (true) {
     int c = embeddedStreamObject.streamGetChar();
     if (c == EOF)
       break;
diff --git a/poppler/SplashOutputDev.cc b/poppler/SplashOutputDev.cc
index 02c76786..4dc8ad81 100644
--- a/poppler/SplashOutputDev.cc
+++ b/poppler/SplashOutputDev.cc
@@ -2739,7 +2739,7 @@ void SplashOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
 
   imgMaskData.imgStr = new ImageStream(str, width, 1, 1);
   imgMaskData.imgStr->reset();
-  imgMaskData.invert = invert ? 0 : 1;
+  imgMaskData.invert = invert ? false : true;
   imgMaskData.width = width;
   imgMaskData.height = height;
   imgMaskData.y = 0;
@@ -2790,7 +2790,7 @@ void SplashOutputDev::setSoftMaskFromImageMask(GfxState *state,
   mat[5] = ctm[3] + ctm[5];
   imgMaskData.imgStr = new ImageStream(str, width, 1, 1);
   imgMaskData.imgStr->reset();
-  imgMaskData.invert = invert ? 0 : 1;
+  imgMaskData.invert = invert ? false : true;
   imgMaskData.width = width;
   imgMaskData.height = height;
   imgMaskData.y = 0;
@@ -3620,7 +3620,7 @@ void SplashOutputDev::drawMaskedImage(GfxState *state, Object *ref,
     mat[5] = 0;
     imgMaskData.imgStr = new ImageStream(maskStr, maskWidth, 1, 1);
     imgMaskData.imgStr->reset();
-    imgMaskData.invert = maskInvert ? 0 : 1;
+    imgMaskData.invert = maskInvert ? false : true;
     imgMaskData.width = maskWidth;
     imgMaskData.height = maskHeight;
     imgMaskData.y = 0;
diff --git a/poppler/Stream.cc b/poppler/Stream.cc
index b87d1a34..76a542af 100644
--- a/poppler/Stream.cc
+++ b/poppler/Stream.cc
@@ -248,7 +248,7 @@ Stream *Stream::makeFilter(const char *name, Stream *str, Object *params, int re
     rows = 0;
     endOfBlock = true;
     black = false;
-    damagedRowsBeforeError = 0;
+    damagedRowsBeforeError = false;
   if (params->isDict()) {
       obj = params->dictLookup("K", recursion);
       if (obj.isInt()) {
@@ -2053,7 +2053,7 @@ int CCITTFaxStream::lookChar() {
     // this if we know the stream contains end-of-line markers because
     // the "just plow on" technique tends to work better otherwise
     } else if (err && endOfLine) {
-      while (1) {
+      while (true) {
 	code1 = lookBits(13);
 	if (code1 == EOF) {
 	  eof = true;
diff --git a/poppler/TextOutputDev.cc b/poppler/TextOutputDev.cc
index 4622500a..7848cb38 100644
--- a/poppler/TextOutputDev.cc
+++ b/poppler/TextOutputDev.cc
@@ -1641,7 +1641,7 @@ void TextBlock::coalesce(const UnicodeMap *uMap, double fixedPitch) {
   poolMinBaseIdx = pool->minBaseIdx;
   charCount = 0;
   nLines = 0;
-  while (1) {
+  while (true) {
 
     // find the first non-empty line in the pool
     for (;
@@ -1683,7 +1683,7 @@ void TextBlock::coalesce(const UnicodeMap *uMap, double fixedPitch) {
     wordSpacing = fixedPitch ? fixedPitch : maxWordSpacing * fontSize;
 
     // find the rest of the words in this line
-    while (1) {
+    while (true) {
 
       // find the left-most word whose baseline is in the range for
       // this line
@@ -3021,7 +3021,7 @@ void TextPage::coalesce(bool physLayout, double fixedPitch, bool doHTML) {
     count[rot] = 0;
 
     // add blocks until no more words are left
-    while (1) {
+    while (true) {
 
       // find the first non-empty line in the pool
       for (;
diff --git a/poppler/XRef.cc b/poppler/XRef.cc
index 964f68af..1191ed3d 100644
--- a/poppler/XRef.cc
+++ b/poppler/XRef.cc
@@ -508,7 +508,7 @@ bool XRef::readXRefTable(Parser *parser, Goffset *pos, std::vector<Goffset> *fol
   Goffset pos2;
   int first, n;
 
-  while (1) {
+  while (true) {
     obj = parser->getObj(true);
     if (obj.isCmd("trailer")) {
       break;
@@ -841,7 +841,7 @@ bool XRef::constructXRef(bool *wasReconstructed, bool needCatalogDict) {
   }
 
   str->reset();
-  while (1) {
+  while (true) {
     pos = str->getPos();
     if (!str->getLine(buf, 256)) {
       break;
diff --git a/test/perf-test.cc b/test/perf-test.cc
index 0dd0304b..1988d705 100644
--- a/test/perf-test.cc
+++ b/test/perf-test.cc
@@ -313,7 +313,7 @@ static void sleep_milliseconds(int milliseconds)
     nanosecs = (milliseconds - (secs * 1000)) * 1000;
     tv.tv_sec = (time_t) secs;
     tv.tv_nsec = (long) nanosecs;
-    while (1)
+    while (true)
     {
         int rval = nanosleep(&tv, &tv);
         if (rval == 0)
diff --git a/utils/HtmlLinks.cc b/utils/HtmlLinks.cc
index e86dbf75..5738ad6b 100644
--- a/utils/HtmlLinks.cc
+++ b/utils/HtmlLinks.cc
@@ -132,10 +132,10 @@ bool HtmlLinks::inLink(double xmin,double ymin,double xmax,double ymax,int& p)co
   for(std::vector<HtmlLink>::iterator i=accu->begin();i!=accu->end();++i){
     if (i->inLink(xmin,ymin,xmax,ymax)) {
         p=(i - accu->begin());
-        return 1;
+        return true;
     }
    }
-  return 0;
+  return false;
 }
 
 HtmlLink* HtmlLinks::getLink(int i) const{
diff --git a/utils/HtmlOutputDev.h b/utils/HtmlOutputDev.h
index 219278a2..348d5d28 100644
--- a/utils/HtmlOutputDev.h
+++ b/utils/HtmlOutputDev.h
@@ -236,7 +236,7 @@ public:
 	  const char *date,
 	  bool rawOrder,
 	  int firstPage = 1,
-	  bool outline = 0);
+	  bool outline = false);
 
   // Destructor.
   ~HtmlOutputDev() override;