Use nullptr in cpp files

Alc/alu.cpp

@@ -1012,8 +1012,8 @@ void CalcNonAttnSourceParams(ALvoice *voice, const ALvoicePropsBase *props, cons
             SendSlots[i] = ALContext->DefaultSlot.get();
         if(!SendSlots[i] || SendSlots[i]->Params.EffectType == AL_EFFECT_NULL)
         {
-            SendSlots[i] = NULL;
+            SendSlots[i] = nullptr;
-            voice->Send[i].Buffer = NULL;
+            voice->Send[i].Buffer = nullptr;
             voice->Send[i].Channels = 0;
         }
         else

Alc/mixvoice.cpp

@@ -156,7 +156,7 @@ void aluInitMixer(void)
 {
     const char *str;
 
-    if(ConfigValueStr(NULL, NULL, "resampler", &str))
+    if(ConfigValueStr(nullptr, nullptr, "resampler", &str))
     {
         if(strcasecmp(str, "point") == 0 || strcasecmp(str, "none") == 0)
             ResamplerDefault = PointResampler;
@@ -698,7 +698,7 @@ ALboolean MixSource(ALvoice *voice, const ALuint SourceID, ALCcontext *Context,
                 if(DataPosInt >= BufferListItem->max_samples)
                 {
                     isplaying = false;
-                    BufferListItem = NULL;
+                    BufferListItem = nullptr;
                     DataPosInt = 0;
                     DataPosFrac = 0;
                     break;

OpenAL32/alEffect.cpp

@@ -232,7 +232,7 @@ ALeffect *AllocEffect(ALCcontext *context)
         if(UNLIKELY(device->EffectList.size() >= 1<<25))
         {
             alSetError(context, AL_OUT_OF_MEMORY, "Too many effects allocated");
-            return NULL;
+            return nullptr;
         }
         device->EffectList.emplace_back();
         sublist = device->EffectList.end() - 1;
@@ -242,7 +242,7 @@ ALeffect *AllocEffect(ALCcontext *context)
         {
             device->EffectList.pop_back();
             alSetError(context, AL_OUT_OF_MEMORY, "Failed to allocate effect batch");
-            return NULL;
+            return nullptr;
         }
 
         slidx = 0;

OpenAL32/alExtension.cpp

@@ -47,7 +47,7 @@ AL_API ALboolean AL_APIENTRY alIsExtensionPresent(const ALchar *extName)
            (ptr[len] == '\0' || isspace(ptr[len])))
             return AL_TRUE;
 
-        if((ptr=strchr(ptr, ' ')) != NULL)
+        if((ptr=strchr(ptr, ' ')) != nullptr)
         {
             do {
                 ++ptr;

OpenAL32/alFilter.cpp

@@ -292,7 +292,7 @@ ALfilter *AllocFilter(ALCcontext *context)
         if(UNLIKELY(device->FilterList.size() >= 1<<25))
         {
             alSetError(context, AL_OUT_OF_MEMORY, "Too many filters allocated");
-            return NULL;
+            return nullptr;
         }
         device->FilterList.emplace_back();
         sublist = device->FilterList.end() - 1;
@@ -302,7 +302,7 @@ ALfilter *AllocFilter(ALCcontext *context)
         {
             device->FilterList.pop_back();
             alSetError(context, AL_OUT_OF_MEMORY, "Failed to allocate filter batch");
-            return NULL;
+            return nullptr;
         }
 
         slidx = 0;

common/almalloc.cpp

@@ -33,12 +33,12 @@ void *al_malloc(size_t alignment, size_t size)
     void *ret;
     if(posix_memalign(&ret, alignment, size) == 0)
         return ret;
-    return NULL;
+    return nullptr;
 #elif defined(HAVE__ALIGNED_MALLOC)
     return _aligned_malloc(size, alignment);
 #else
     char *ret = static_cast<char*>(malloc(size+alignment));
-    if(ret != NULL)
+    if(ret != nullptr)
     {
         *(ret++) = 0x00;
         while(((ptrdiff_t)ret&(alignment-1)) != 0)
@@ -62,7 +62,7 @@ void al_free(void *ptr) noexcept
 #elif defined(HAVE__ALIGNED_MALLOC)
     _aligned_free(ptr);
 #else
-    if(ptr != NULL)
+    if(ptr != nullptr)
     {
         char *finder = static_cast<char*>(ptr);
         do {

examples/alffplay.cpp

@@ -879,7 +879,7 @@ int AudioState::handler()
     ALsizei buffer_len = std::chrono::duration_cast<std::chrono::duration<int>>(
         mCodecCtx->sample_rate * AudioBufferTime).count() * mFrameSize;
 
-    mSamples = NULL;
+    mSamples = nullptr;
     mSamplesMax = 0;
     mSamplesPos = 0;
     mSamplesLen = 0;

utils/alsoft-config/mainwindow.cpp

@@ -215,13 +215,13 @@ static QString getNameFromValue(const NameValuePair (&list)[N], const QString &s
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::MainWindow),
-    mPeriodSizeValidator(NULL),
+    mPeriodSizeValidator(nullptr),
-    mPeriodCountValidator(NULL),
+    mPeriodCountValidator(nullptr),
-    mSourceCountValidator(NULL),
+    mSourceCountValidator(nullptr),
-    mEffectSlotValidator(NULL),
+    mEffectSlotValidator(nullptr),
-    mSourceSendValidator(NULL),
+    mSourceSendValidator(nullptr),
-    mSampleRateValidator(NULL),
+    mSampleRateValidator(nullptr),
-    mJackBufferValidator(NULL),
+    mJackBufferValidator(nullptr),
     mNeedsSave(false)
 {
     ui->setupUi(this);
@@ -1290,7 +1290,7 @@ void MainWindow::showEnabledBackendMenu(QPoint pt)
             delete item;
         enableApplyButton();
     }
-    else if(gotAction != NULL)
+    else if(gotAction != nullptr)
     {
         QMap<QAction*,QString>::const_iterator iter = actionMap.find(gotAction);
         if(iter != actionMap.end())
@@ -1328,7 +1328,7 @@ void MainWindow::showDisabledBackendMenu(QPoint pt)
             delete item;
         enableApplyButton();
     }
-    else if(gotAction != NULL)
+    else if(gotAction != nullptr)
     {
         QMap<QAction*,QString>::const_iterator iter = actionMap.find(gotAction);
         if(iter != actionMap.end())

utils/makehrtf.cpp

@@ -344,7 +344,7 @@ struct ResamplerT {
 // output is desired.
 static void TrSetup(FILE *fp, const char *filename, TokenReaderT *tr)
 {
-    const char *name = NULL;
+    const char *name = nullptr;
 
     if(filename)
     {
@@ -599,7 +599,7 @@ static int TrReadInt(TokenReaderT *tr, const int loBound, const int hiBound, int
                 return 0;
             }
             temp[len] = '\0';
-            *value = strtol(temp, NULL, 10);
+            *value = strtol(temp, nullptr, 10);
             if(*value < loBound || *value > hiBound)
             {
                 TrErrorAt(tr, tr->mLine, col, "Expected a value from %d to %d.\n", loBound, hiBound);
@@ -695,7 +695,7 @@ static int TrReadFloat(TokenReaderT *tr, const double loBound, const double hiBo
                     return 0;
                 }
                 temp[len] = '\0';
-                *value = strtod(temp, NULL);
+                *value = strtod(temp, nullptr);
                 if(*value < loBound || *value > hiBound)
                 {
                     TrErrorAt(tr, tr->mLine, col, "Expected a value from %f to %f.\n", loBound, hiBound);
@@ -1696,7 +1696,7 @@ static int LoadAsciiSource(FILE *fp, const SourceRefT *src, const uint n, double
     uint i, j;
     double dummy;
 
-    TrSetup(fp, NULL, &tr);
+    TrSetup(fp, nullptr, &tr);
     for(i = 0;i < src->mOffset;i++)
     {
         if(!ReadAsciiAsDouble(&tr, src->mPath, src->mType, (uint)src->mBits, &dummy))
@@ -1725,7 +1725,7 @@ static int LoadSource(SourceRefT *src, const uint hrirRate, const uint n, double
         fp = fopen(src->mPath, "r");
     else
         fp = fopen(src->mPath, "rb");
-    if(fp == NULL)
+    if(fp == nullptr)
     {
         fprintf(stderr, "Error: Could not open source file '%s'.\n", src->mPath);
         return 0;
@@ -1799,7 +1799,7 @@ static int StoreMhr(const HrirDataT *hData, const char *filename)
     uint fi, ei, ai, i;
     uint dither_seed = 22222;
 
-    if((fp=fopen(filename, "wb")) == NULL)
+    if((fp=fopen(filename, "wb")) == nullptr)
     {
         fprintf(stderr, "Error: Could not open MHR file '%s'.\n", filename);
         return 0;
@@ -2878,7 +2878,7 @@ static int ProcessSources(const HeadModelT model, TokenReaderT *tr, HrirDataT *h
             return 0;
         HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
 
-        if(azd->mIrs[0] != NULL)
+        if(azd->mIrs[0] != nullptr)
         {
             TrErrorAt(tr, line, col, "Redefinition of source.\n");
             return 0;
@@ -2928,12 +2928,12 @@ static int ProcessSources(const HeadModelT model, TokenReaderT *tr, HrirDataT *h
         }
         if(hData->mChannelType == CT_STEREO)
         {
-            if(azd->mIrs[0] == NULL)
+            if(azd->mIrs[0] == nullptr)
             {
                 TrErrorAt(tr, line, col, "Missing left ear source reference(s).\n");
                 return 0;
             }
-            else if(azd->mIrs[1] == NULL)
+            else if(azd->mIrs[1] == nullptr)
             {
                 TrErrorAt(tr, line, col, "Missing right ear source reference(s).\n");
                 return 0;
@@ -2948,7 +2948,7 @@ static int ProcessSources(const HeadModelT model, TokenReaderT *tr, HrirDataT *h
             for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
             {
                 HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
-                if(azd->mIrs[0] != NULL)
+                if(azd->mIrs[0] != nullptr)
                     break;
             }
             if(ai < hData->mFds[fi].mEvs[ei].mAzCount)
@@ -2966,7 +2966,7 @@ static int ProcessSources(const HeadModelT model, TokenReaderT *tr, HrirDataT *h
             {
                 HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
 
-                if(azd->mIrs[0] == NULL)
+                if(azd->mIrs[0] == nullptr)
                 {
                     TrError(tr, "Missing source reference [ %d, %d, %d ].\n", fi, ei, ai);
                     return 0;
@@ -3009,10 +3009,10 @@ static int ProcessDefinition(const char *inName, const uint outRate, const uint
     int ret;
 
     fprintf(stdout, "Reading HRIR definition from %s...\n", inName?inName:"stdin");
-    if(inName != NULL)
+    if(inName != nullptr)
     {
         fp = fopen(inName, "r");
-        if(fp == NULL)
+        if(fp == nullptr)
         {
             fprintf(stderr, "Error: Could not open definition file '%s'\n", inName);
             return 0;
@@ -3026,7 +3026,7 @@ static int ProcessDefinition(const char *inName, const uint outRate, const uint
     }
     if(!ProcessMetrics(&tr, fftSize, truncSize, &hData))
     {
-        if(inName != NULL)
+        if(inName != nullptr)
             fclose(fp);
         return 0;
     }
@@ -3099,10 +3099,10 @@ static void PrintHelp(const char *argv0, FILE *ofile)
 // Standard command line dispatch.
 int main(int argc, char *argv[])
 {
-    const char *inName = NULL, *outName = NULL;
+    const char *inName = nullptr, *outName = nullptr;
     uint outRate, fftSize;
     int equalize, surface;
-    char *end = NULL;
+    char *end = nullptr;
     HeadModelT model;
     uint truncSize;
     double radius;