always #include <cstdio> when using *printf

bufferoverride/gui/bufferoverrideeditor.cpp

@@ -25,6 +25,7 @@ To contact the author, use the contact form at http:https://destroyfx.org
 #include <array>
 #include <cassert>
 #include <cmath>
+#include <cstdio>
 #include <functional>
 
 #include "bufferoverride-base.h"
@@ -182,7 +183,7 @@ static bool divisorDisplayProc(float inValue, char* outText, void*)
 {
  int const precision = (inValue <= 99.99f) ? 2 : 1;
  float const effectiveValue = (inValue < 2.0f) ? 1.0f : inValue;
- return snprintf(outText, DGTextDisplay::kTextMaxLength, "%.*f", precision, effectiveValue) > 0;
+ return std::snprintf(outText, DGTextDisplay::kTextMaxLength, "%.*f", precision, effectiveValue) > 0;
 }
 
 static bool bufferSizeDisplayProc(float inValue, char* outText, void* inEditor)
@@ -198,7 +199,7 @@ static bool bufferSizeDisplayProc(float inValue, char* outText, void* inEditor)
  }
  else
  {
- return snprintf(outText, DGTextDisplay::kTextMaxLength, "%.1f", inValue) > 0;
+ return std::snprintf(outText, DGTextDisplay::kTextMaxLength, "%.1f", inValue) > 0;
  }
 }
 
@@ -211,13 +212,13 @@ static bool lfoRateGenDisplayProc(float inValue, char* outText, void* inEditor,
  {
  if (std::optional<std::string> const valueString = dgEditor->getparametervaluestring(rateSyncParameterID))
  {
- return snprintf(outText, DGTextDisplay::kTextMaxLength, "%s / beat", valueString->c_str()) > 0;
+ return std::snprintf(outText, DGTextDisplay::kTextMaxLength, "%s / beat", valueString->c_str()) > 0;
  }
  return false;
  }
 
  int const precision = (inValue <= 9.99f) ? 2 : 1;
- return snprintf(outText, DGTextDisplay::kTextMaxLength, "%.*f Hz", precision, inValue) > 0;
+ return std::snprintf(outText, DGTextDisplay::kTextMaxLength, "%.*f Hz", precision, inValue) > 0;
 }
 
 static bool divisorLFORateDisplayProc(float inValue, char* outText, void* inEditor)
@@ -232,23 +233,23 @@ static bool bufferLFORateDisplayProc(float inValue, char* outText, void* inEdito
 
 static bool lfoDepthDisplayProc(float inValue, char* outText, void*)
 {
- return snprintf(outText, DGTextDisplay::kTextMaxLength, "%.0f%%", inValue) > 0;
+ return std::snprintf(outText, DGTextDisplay::kTextMaxLength, "%.0f%%", inValue) > 0;
 }
 
 static bool dryWetMixDisplayProc(float inValue, char* outText, void*)
 {
- return snprintf(outText, DGTextDisplay::kTextMaxLength, "%.0f%%", inValue) > 0;
+ return std::snprintf(outText, DGTextDisplay::kTextMaxLength, "%.0f%%", inValue) > 0;
 }
 
 static bool pitchBendRangeDisplayProc(float inValue, char* outText, void*)
 {
  int const precision = (inValue <= 9.99f) ? 2 : 1;
- return snprintf(outText, DGTextDisplay::kTextMaxLength, "%s %.*f", dfx::kPlusMinusUTF8, precision, inValue) > 0;
+ return std::snprintf(outText, DGTextDisplay::kTextMaxLength, "%s %.*f", dfx::kPlusMinusUTF8, precision, inValue) > 0;
 }
 
 static bool tempoDisplayProc(float inValue, char* outText, void*)
 {
- return snprintf(outText, DGTextDisplay::kTextMaxLength, "%.2f", inValue) > 0;
+ return std::snprintf(outText, DGTextDisplay::kTextMaxLength, "%.2f", inValue) > 0;
 }
 
 

dfx-library/dfxplugin-audiounit.cpp

@@ -888,9 +888,9 @@ OSStatus DfxPlugin::SetProperty(AudioUnitPropertyID inPropertyID,
  else
  {
 #if 0
- fprintf(stderr, "\tSetProperty(AUHostIdentifier)\n");
+ std::fprintf(stderr, "\tSetProperty(AUHostIdentifier)\n");
  CFShow(hostID.hostName);
- fprintf(stderr, "version: 0x%X\n", hostID.hostVersion);
+ std::fprintf(stderr, "version: 0x%X\n", hostID.hostVersion);
 #endif
  }
  break;
@@ -1550,8 +1550,8 @@ OSStatus DfxPlugin::ChangeStreamFormat(AudioUnitScope inScope, AudioUnitElement
  AudioStreamBasicDescription const& inPrevFormat, 
  AudioStreamBasicDescription const& inNewFormat)
 {
-//fprintf(stderr, "\nDfxPlugin::ChangeStreamFormat, new sr = %.3lf, old sr = %.3lf\n\n", inNewFormat.mSampleRate, inPrevFormat.mSampleRate);
-//fprintf(stderr, "\nDfxPlugin::ChangeStreamFormat, new num channels = %lu, old num channels = %lu\n\n", inNewFormat.mChannelsPerFrame, inPrevFormat.mChannelsPerFrame);
+//std::fprintf(stderr, "\nDfxPlugin::ChangeStreamFormat, new sr = %.3lf, old sr = %.3lf\n\n", inNewFormat.mSampleRate, inPrevFormat.mSampleRate);
+//std::fprintf(stderr, "\nDfxPlugin::ChangeStreamFormat, new num channels = %lu, old num channels = %lu\n\n", inNewFormat.mChannelsPerFrame, inPrevFormat.mChannelsPerFrame);
  // if this AU supports only specific I/O channel count configs, 
  // then check whether the incoming format is allowed
  if (!mChannelConfigs.empty())

dfx-library/dfxplugin-rtas.cpp

@@ -1,7 +1,7 @@
 /*------------------------------------------------------------------------
 Destroy FX Library is a collection of foundation code 
 for creating audio processing plug-ins. 
-Copyright (C) 2009-2022 Sophia Poirier
+Copyright (C) 2009-2023 Sophia Poirier
 
 This file is part of the Destroy FX Library (version 1.0).
 
@@ -29,6 +29,7 @@ This is where we connect the RTAS/AudioSuite API to our DfxPlugin system.
 
 #include <algorithm>
 #include <cmath>
+#include <cstring>
 
 #include "CEffectTypeAS.h"
 #include "CEffectTypeRTAS.h"
@@ -94,7 +95,7 @@ ComponentResult bypassResult = GetMasterBypassControl(&bypassControlIndex);
 CPluginControl_Discrete* bypassControl = dynamic_cast<CPluginControl_Discrete*>( GetControl(bypassControlIndex) );
 char bypassName[32] {};
 bypassControl->GetNameOfLength(bypassName, std::size(bypassName) - 1, 0);
-fprintf(stderr, "%s IsAutomatable() = %s (error = %ld)\n", bypassName, bypassControl->IsAutomatable() ? "true" : "false", bypassResult);
+std::fprintf(stderr, "%s IsAutomatable() = %s (error = %ld)\n", bypassName, bypassControl->IsAutomatable() ? "true" : "false", bypassResult);
 */
 }
 
@@ -307,7 +308,7 @@ ComponentResult DfxPlugin::GetValueString(long inParameterIndex, long inValue, S
  if (shortValueString != nullptr)
  {
  strlcpy((char*)(outValueString + 1), shortValueString, inMaxLength + 1);
- outValueString[0] = ((signed)strlen(shortValueString) > inMaxLength) ? inMaxLength : strlen(shortValueString);
+ outValueString[0] = (static_cast<long>(std::strlen(shortValueString)) > inMaxLength) ? inMaxLength : std::strlen(shortValueString);
  return noErr;
  }
  }
@@ -681,14 +682,14 @@ CPlugInView* DfxPlugin::CreateCPlugInView()
 
 #else
  OSType meterFourCharID = 0;
- OSType meterIDs[EffectLayerDef::MAX_NUM_CONNECTIONS];
+ OSType meterIDs[EffectLayerDef::MAX_NUM_CONNECTIONS] {};
  for (UInt32 i = 0; i < EffectLayerDef::MAX_NUM_CONNECTIONS; i++)
  {
  meterFourCharID = DFX_IterateAlphaNumericFourCharCode(meterFourCharID);
  meterIDs[i] = meterFourCharID;
  }
 
- OSType clipIDs[EffectLayerDef::MAX_NUM_CONNECTIONS];
+ OSType clipIDs[EffectLayerDef::MAX_NUM_CONNECTIONS] {};
  for (UInt32 i = 0; i < EffectLayerDef::MAX_NUM_CONNECTIONS; i++)
  {
  meterFourCharID = DFX_IterateAlphaNumericFourCharCode(meterFourCharID);

dfx-library/dfxplugin-vst.cpp

@@ -1,7 +1,7 @@
 /*------------------------------------------------------------------------
 Destroy FX Library is a collection of foundation code 
 for creating audio processing plug-ins. 
-Copyright (C) 2002-2022 Sophia Poirier
+Copyright (C) 2002-2023 Sophia Poirier
 
 This file is part of the Destroy FX Library (version 1.0).
 
@@ -123,8 +123,8 @@ bool DfxPlugin::getInputProperties(VstInt32 index, VstPinProperties* properties)
 {
  if ((index >= 0) && (dfx::math::ToIndex(index) < getnuminputs()) && properties)
  {
- snprintf(properties->label, kVstMaxLabelLen, "%s input %d", PLUGIN_NAME_STRING, index + 1);
- snprintf(properties->shortLabel, kVstMaxShortLabelLen, "in %d", index + 1);
+ std::snprintf(properties->label, kVstMaxLabelLen, "%s input %d", PLUGIN_NAME_STRING, index + 1);
+ std::snprintf(properties->shortLabel, kVstMaxShortLabelLen, "in %d", index + 1);
  properties->flags = kVstPinIsActive;
  if (getnuminputs() == 2)
  {
@@ -140,8 +140,8 @@ bool DfxPlugin::getOutputProperties(VstInt32 index, VstPinProperties* properties
 {
  if ((index >= 0) && (dfx::math::ToIndex(index) < getnumoutputs()) && properties)
  {
- snprintf(properties->label, kVstMaxLabelLen, "%s output %d", PLUGIN_NAME_STRING, index + 1);
- snprintf(properties->shortLabel, kVstMaxShortLabelLen, "out %d", index + 1);
+ std::snprintf(properties->label, kVstMaxLabelLen, "%s output %d", PLUGIN_NAME_STRING, index + 1);
+ std::snprintf(properties->shortLabel, kVstMaxShortLabelLen, "out %d", index + 1);
  properties->flags = kVstPinIsActive;
  if (getnumoutputs() == 2)
  {
@@ -303,7 +303,7 @@ bool DfxPlugin::getProgramNameIndexed(VstInt32 /*inCategory*/, VstInt32 inIndex,
  }
  else
  {
- snprintf(outText, kVstMaxProgNameLen + 1, "default %" PRIi32, inIndex + 1);
+ std::snprintf(outText, kVstMaxProgNameLen + 1, "default %" PRIi32, inIndex + 1);
  }
  return true;
  }
@@ -405,10 +405,10 @@ void DfxPlugin::getParameterDisplay(VstInt32 index, char* text)
  switch (getparametervaluetype(parameterID))
  {
  case DfxParam::ValueType::Float:
- snprintf(text, kVstMaxParamStrLen + 1, "%.3f", getparameter_f(parameterID));
+ std::snprintf(text, kVstMaxParamStrLen + 1, "%.3f", getparameter_f(parameterID));
  break;
  case DfxParam::ValueType::Int:
- snprintf(text, kVstMaxParamStrLen + 1, "%" PRIi64, getparameter_i(parameterID));
+ std::snprintf(text, kVstMaxParamStrLen + 1, "%" PRIi64, getparameter_i(parameterID));
  break;
  case DfxParam::ValueType::Boolean:
  vst_strncpy(text, getparameter_b(parameterID) ? "on" : "off", kVstMaxParamStrLen);
@@ -586,7 +586,7 @@ VstInt32 DfxPlugin::processEvents(VstEvents* events)
  }
 
  // cast the incoming event as a VstMidiEvent
- auto const midiEvent = reinterpret_cast<VstMidiEvent*>(events->events[i]);
+ auto const midiEvent = reinterpret_cast<VstMidiEvent const*>(events->events[i]);
  // address the midiData[4] string from the event to this temp data pointer
  auto const midiData = midiEvent->midiData;
 

dfx-library/dfxplugin.cpp

@@ -1786,15 +1786,15 @@ void DfxPlugin::processtimeinfo()
  if (status == noErr)
  {
 #ifdef DFX_DEBUG_PRINT_MUSICAL_TIME_INFO
-fprintf(stderr, "\ntempo = %.2f\nbeat = %.2f\n", tempo, beat);
+std::fprintf(stderr, "\ntempo = %.2f\nbeat = %.2f\n", tempo, beat);
 #endif
  mTimeInfo.mTempoBPS = bpmToBPS(tempo);
  mTimeInfo.mBeatPos = beat;
 
  mHostCanDoTempo = true;
  }
 #ifdef DFX_DEBUG_PRINT_MUSICAL_TIME_INFO
-else fprintf(stderr, "CallHostBeatAndTempo() error %ld\n", status);
+else std::fprintf(stderr, "CallHostBeatAndTempo() error %ld\n", status);
 #endif
 
  // the number of samples until the next beat from the start sample of the current rendering buffer
@@ -1811,7 +1811,7 @@ else fprintf(stderr, "CallHostBeatAndTempo() error %ld\n", status);
  // get the song beat position of the beginning of the current measure
  mTimeInfo.mBarPos = currentMeasureDownBeat;
 #ifdef DFX_DEBUG_PRINT_MUSICAL_TIME_INFO
-fprintf(stderr, "time sig = %.0f/%lu\nmeasure beat = %.2f\n", timeSigNumerator, timeSigDenominator, currentMeasureDownBeat);
+std::fprintf(stderr, "time sig = %.0f/%lu\nmeasure beat = %.2f\n", timeSigNumerator, timeSigDenominator, currentMeasureDownBeat);
 #endif
  // get the numerator of the time signature - this is the number of beats per measure
  mTimeInfo.mTimeSignature =
@@ -1821,7 +1821,7 @@ fprintf(stderr, "time sig = %.0f/%lu\nmeasure beat = %.2f\n", timeSigNumerator,
  };
  }
 #ifdef DFX_DEBUG_PRINT_MUSICAL_TIME_INFO
-else fprintf(stderr, "CallHostMusicalTimeLocation() error %ld\n", status);
+else std::fprintf(stderr, "CallHostMusicalTimeLocation() error %ld\n", status);
 #endif
 
  Boolean isPlaying {};
@@ -1834,13 +1834,13 @@ else fprintf(stderr, "CallHostMusicalTimeLocation() error %ld\n", status);
  if (status == noErr)
  {
 #ifdef DFX_DEBUG_PRINT_MUSICAL_TIME_INFO
-fprintf(stderr, "is playing = %s\ntransport changed = %s\n", isPlaying ? "true" : "false", transportStateChanged ? "true" : "false");
+std::fprintf(stderr, "is playing = %s\ntransport changed = %s\n", isPlaying ? "true" : "false", transportStateChanged ? "true" : "false");
 #endif
  mTimeInfo.mPlaybackChanged = transportStateChanged;
  mTimeInfo.mPlaybackIsOccurring = isPlaying;
  }
 #ifdef DFX_DEBUG_PRINT_MUSICAL_TIME_INFO
-else fprintf(stderr, "CallHostTransportState() error %ld\n", status);
+else std::fprintf(stderr, "CallHostTransportState() error %ld\n", status);
 #endif
 #endif
 // TARGET_API_AUDIOUNIT
@@ -2060,7 +2060,7 @@ DfxPluginCore* DfxPlugin::getplugincore(size_t inChannel) const
 void DfxPlugin::handlemidi_noteon(int inChannel, int inNote, int inVelocity, size_t inOffsetFrames)
 {
 #ifdef DFX_DEBUG_PRINT_MUSIC_EVENTS
-fprintf(stderr, "note on: note = %d, velocity = %d, channel = %d, sample offset = %zu\n", inNote, inVelocity, inChannel, inOffsetFrames);
+std::fprintf(stderr, "note on: note = %d, velocity = %d, channel = %d, sample offset = %zu\n", inNote, inVelocity, inChannel, inOffsetFrames);
 #endif
  mMidiState.handleNoteOn(inChannel, inNote, inVelocity, inOffsetFrames);
  mDfxSettings->handleNoteOn(inChannel, inNote, inVelocity, inOffsetFrames);
@@ -2070,7 +2070,7 @@ fprintf(stderr, "note on: note = %d, velocity = %d, channel = %d, sample offset
 void DfxPlugin::handlemidi_noteoff(int inChannel, int inNote, int inVelocity, size_t inOffsetFrames)
 {
 #ifdef DFX_DEBUG_PRINT_MUSIC_EVENTS
-fprintf(stderr, "note off: note = %d, velocity = %d, channel = %d, sample offset = %zu\n", inNote, inVelocity, inChannel, inOffsetFrames);
+std::fprintf(stderr, "note off: note = %d, velocity = %d, channel = %d, sample offset = %zu\n", inNote, inVelocity, inChannel, inOffsetFrames);
 #endif
  mMidiState.handleNoteOff(inChannel, inNote, inVelocity, inOffsetFrames);
  mDfxSettings->handleNoteOff(inChannel, inNote, inVelocity, inOffsetFrames);
@@ -2080,7 +2080,7 @@ fprintf(stderr, "note off: note = %d, velocity = %d, channel = %d, sample offse
 void DfxPlugin::handlemidi_allnotesoff(int inChannel, size_t inOffsetFrames)
 {
 #ifdef DFX_DEBUG_PRINT_MUSIC_EVENTS
-fprintf(stderr, "all notes off: channel = %d, sample offset = %zu\n", inChannel, inOffsetFrames);
+std::fprintf(stderr, "all notes off: channel = %d, sample offset = %zu\n", inChannel, inOffsetFrames);
 #endif
  mMidiState.handleAllNotesOff(inChannel, inOffsetFrames);
  mDfxSettings->handleAllNotesOff(inChannel, inOffsetFrames);
@@ -2090,7 +2090,7 @@ fprintf(stderr, "all notes off: channel = %d, sample offset = %zu\n", inChannel
 void DfxPlugin::handlemidi_channelaftertouch(int inChannel, int inValue, size_t inOffsetFrames)
 {
 #ifdef DFX_DEBUG_PRINT_MUSIC_EVENTS
-fprintf(stderr, "channel aftertouch: value = %d, channel = %d, sample offset = %zu\n", inValue, inChannel, inOffsetFrames);
+std::fprintf(stderr, "channel aftertouch: value = %d, channel = %d, sample offset = %zu\n", inValue, inChannel, inOffsetFrames);
 #endif
  mMidiState.handleChannelAftertouch(inChannel, inValue, inOffsetFrames);
  mDfxSettings->handleChannelAftertouch(inChannel, inValue, inOffsetFrames);
@@ -2100,7 +2100,7 @@ fprintf(stderr, "channel aftertouch: value = %d, channel = %d, sample offset =
 void DfxPlugin::handlemidi_pitchbend(int inChannel, int inValueLSB, int inValueMSB, size_t inOffsetFrames)
 {
 #ifdef DFX_DEBUG_PRINT_MUSIC_EVENTS
-fprintf(stderr, "pitchbend: LSB = %d, MSB = %d, channel = %d, sample offset = %zu\n", inValueLSB, inValueMSB, inChannel, inOffsetFrames);
+std::fprintf(stderr, "pitchbend: LSB = %d, MSB = %d, channel = %d, sample offset = %zu\n", inValueLSB, inValueMSB, inChannel, inOffsetFrames);
 #endif
  mMidiState.handlePitchBend(inChannel, inValueLSB, inValueMSB, inOffsetFrames);
  mDfxSettings->handlePitchBend(inChannel, inValueLSB, inValueMSB, inOffsetFrames);
@@ -2110,7 +2110,7 @@ fprintf(stderr, "pitchbend: LSB = %d, MSB = %d, channel = %d, sample offset = %
 void DfxPlugin::handlemidi_cc(int inChannel, int inControllerNum, int inValue, size_t inOffsetFrames)
 {
 #ifdef DFX_DEBUG_PRINT_MUSIC_EVENTS
-fprintf(stderr, "MIDI CC: controller = 0x%02X, value = %d, channel = %d, sample offset = %zu\n", inControllerNum, inValue, inChannel, inOffsetFrames);
+std::fprintf(stderr, "MIDI CC: controller = 0x%02X, value = %d, channel = %d, sample offset = %zu\n", inControllerNum, inValue, inChannel, inOffsetFrames);
 #endif
  mMidiState.handleCC(inChannel, inControllerNum, inValue, inOffsetFrames);
  mDfxSettings->handleCC(inChannel, inControllerNum, inValue, inOffsetFrames);
@@ -2120,7 +2120,7 @@ fprintf(stderr, "MIDI CC: controller = 0x%02X, value = %d, channel = %d, sample
 void DfxPlugin::handlemidi_programchange(int inChannel, int inProgramNum, size_t inOffsetFrames)
 {
 #ifdef DFX_DEBUG_PRINT_MUSIC_EVENTS
-fprintf(stderr, "program change: program num = %d, channel = %d, sample offset = %zu\n", inProgramNum, inChannel, inOffsetFrames);
+std::fprintf(stderr, "program change: program num = %d, channel = %d, sample offset = %zu\n", inProgramNum, inChannel, inOffsetFrames);
 #endif
  mMidiState.handleProgramChange(inChannel, inProgramNum, inOffsetFrames);
 }

dfx-library/dfxsettings.cpp

@@ -32,6 +32,7 @@ Welcome to our settings persistence mess.
 #include <concepts>
 #include <cstddef>
 #include <cstdint>
+#include <cstdio>
 #include <cstdlib>
 #include <cstring>
 #include <numeric>
@@ -465,7 +466,7 @@ try
 #endif
  validateRange(firstNewPresetByteAddress, sizeOfStoredPreset * numStoredPresets, "presets");
 
- auto const getPresetNameWithFallback = [](std::string_view presetName) -> std::string_view
+ constexpr auto getPresetNameWithFallback = [](std::string_view presetName) -> std::string_view
  {
  return presetName.empty() ? "(unnamed)" : presetName;
  };
@@ -1641,10 +1642,10 @@ void DfxSettings::debugAlertCorruptData(char const* inDataItemName, size_t inDat
  }
 #elif TARGET_OS_WIN32
  std::array<char, 512> msg {};
- snprintf(msg.data(), msg.size(),
- "Something is wrong with the settings data! "
- "Info for bug reports: name: %s size: %zu total: %zu",
- inDataItemName, inDataItemSize, inDataTotalSize);
+ std::snprintf(msg.data(), msg.size(),
+   "Something is wrong with the settings data! "
+   "Info for bug reports: name: %s size: %zu total: %zu",
+   inDataItemName, inDataItemSize, inDataTotalSize);
  MessageBoxA(nullptr, msg.data(), "DFX Error!", 0);
 #else
  #warning "implementation missing"

dfxgui/dfxguieditor.cpp

@@ -27,6 +27,7 @@ To contact the author, use the contact form at http:https://destroyfx.org
 #include <array>
 #include <cassert>
 #include <cmath>
+#include <cstdio>
 #include <cstring>
 #include <exception>
 #include <functional>
@@ -769,11 +770,11 @@ void DfxGuiEditor::TextEntryForParameterValue(dfx::ParameterID inParameterID)
  std::array<char, dfx::kParameterValueStringMaxLength> textValue {};
  if (GetParameterValueType(inParameterID) == DfxParam::ValueType::Float)
  {
- snprintf(textValue.data(), textValue.size(), "%.6lf", getparameter_f(inParameterID));
+ std::snprintf(textValue.data(), textValue.size(), "%.6lf", getparameter_f(inParameterID));
  }
  else
  {
- snprintf(textValue.data(), textValue.size(), "%ld", getparameter_i(inParameterID));
+ std::snprintf(textValue.data(), textValue.size(), "%ld", getparameter_i(inParameterID));
  }
  mTextEntryDialog->setText(textValue.data());
 
@@ -1891,7 +1892,7 @@ void DfxGuiEditor::TextEntryForParameterMidiCC(dfx::ParameterID inParameterID)
  auto const currentParameterAssignment = getparametermidiassignment(inParameterID);
  if (currentParameterAssignment.mEventType == dfx::MidiEventType::CC)
  {
- snprintf(initialText.data(), initialText.size(), "%d", currentParameterAssignment.mEventNum);
+ std::snprintf(initialText.data(), initialText.size(), "%d", currentParameterAssignment.mEventNum);
  }
  mTextEntryDialog->setText(initialText.data());
 
@@ -2776,7 +2777,7 @@ void DfxGuiEditor::ShowMessage(std::string const& inMessage)
  }
  if (!shown)
  {
- fprintf(stderr, "%s\n", inMessage.c_str());
+ std::fprintf(stderr, "%s\n", inMessage.c_str());
  }
 }