Use String8/16 c_str [audio]

Bug: 295394788
Test: make checkbuild
Change-Id: Idd3610f6820093bd8710a401f87a136cc26279c5
Merged-In: Idd3610f6820093bd8710a401f87a136cc26279c5
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index dd84bd5..18627bd 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -806,7 +806,7 @@
         result.appendFormat("  %7d %4d %7d %6u  %s\n", r->mSessionid, r->mCnt, r->mPid,
                 r->mUid, info.package.c_str());
     }
-    write(fd, result.string(), result.size());
+    write(fd, result.c_str(), result.size());
 }
 
 
@@ -822,7 +822,7 @@
                             hardwareStatus,
                             (uint32_t)(mStandbyTimeInNsecs / 1000000));
     result.append(buffer);
-    write(fd, result.string(), result.size());
+    write(fd, result.c_str(), result.size());
 }
 
 void AudioFlinger::dumpPermissionDenial(int fd, const Vector<String16>& args __unused)
@@ -835,7 +835,7 @@
             IPCThreadState::self()->getCallingPid(),
             IPCThreadState::self()->getCallingUid());
     result.append(buffer);
-    write(fd, result.string(), result.size());
+    write(fd, result.c_str(), result.size());
 }
 
 bool AudioFlinger::dumpTryLock(Mutex& mutex)
@@ -854,7 +854,7 @@
         bool hardwareLocked = dumpTryLock(mHardwareLock);
         if (!hardwareLocked) {
             String8 result(kHardwareLockedString);
-            write(fd, result.string(), result.size());
+            write(fd, result.c_str(), result.size());
         } else {
             mHardwareLock.unlock();
         }
@@ -864,20 +864,20 @@
         // failed to lock - AudioFlinger is probably deadlocked
         if (!locked) {
             String8 result(kDeadlockedString);
-            write(fd, result.string(), result.size());
+            write(fd, result.c_str(), result.size());
         }
 
         bool clientLocked = dumpTryLock(mClientLock);
         if (!clientLocked) {
             String8 result(kClientLockedString);
-            write(fd, result.string(), result.size());
+            write(fd, result.c_str(), result.size());
         }
 
         if (mEffectsFactoryHal != 0) {
             mEffectsFactoryHal->dumpEffects(fd);
         } else {
             String8 result(kNoEffectsFactory);
-            write(fd, result.string(), result.size());
+            write(fd, result.c_str(), result.size());
         }
 
         dumpClients(fd, args);
@@ -1871,7 +1871,7 @@
 status_t AudioFlinger::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs)
 {
     ALOGV("setParameters(): io %d, keyvalue %s, calling pid %d calling uid %d",
-            ioHandle, keyValuePairs.string(),
+            ioHandle, keyValuePairs.c_str(),
             IPCThreadState::self()->getCallingPid(), IPCThreadState::self()->getCallingUid());
 
     // check calling permissions
@@ -1882,7 +1882,7 @@
     String8 filteredKeyValuePairs = keyValuePairs;
     filterReservedParameters(filteredKeyValuePairs, IPCThreadState::self()->getCallingUid());
 
-    ALOGV("%s: filtered keyvalue %s", __func__, filteredKeyValuePairs.string());
+    ALOGV("%s: filtered keyvalue %s", __func__, filteredKeyValuePairs.c_str());
 
     // AUDIO_IO_HANDLE_NONE means the parameters are global to the audio hardware interface
     if (ioHandle == AUDIO_IO_HANDLE_NONE) {
@@ -1957,7 +1957,7 @@
 String8 AudioFlinger::getParameters(audio_io_handle_t ioHandle, const String8& keys) const
 {
     ALOGVV("getParameters() io %d, keys %s, calling pid %d",
-            ioHandle, keys.string(), IPCThreadState::self()->getCallingPid());
+            ioHandle, keys.c_str(), IPCThreadState::self()->getCallingPid());
 
     Mutex::Autolock _l(mLock);
 
@@ -2970,7 +2970,7 @@
             deviceType,
             flags,
             halConfig,
-            address.string());
+            address.c_str());
 
     mHardwareStatus = AUDIO_HW_IDLE;
 
diff --git a/services/audioflinger/DeviceEffectManager.cpp b/services/audioflinger/DeviceEffectManager.cpp
index 8484f95..cc9e367 100644
--- a/services/audioflinger/DeviceEffectManager.cpp
+++ b/services/audioflinger/DeviceEffectManager.cpp
@@ -166,16 +166,16 @@
     const bool locked = dumpTryLock(mLock);
     if (!locked) {
         String8 result("DeviceEffectManager may be deadlocked\n");
-        write(fd, result.string(), result.size());
+        write(fd, result.c_str(), result.size());
     }
 
     String8 heading("\nDevice Effects:\n");
-    write(fd, heading.string(), heading.size());
+    write(fd, heading.c_str(), heading.size());
     for (const auto& iter : mDeviceEffects) {
         String8 outStr;
         outStr.appendFormat("%*sEffect for device %s address %s:\n", 2, "",
                 ::android::toString(iter.first.mType).c_str(), iter.first.getAddress());
-        write(fd, outStr.string(), outStr.size());
+        write(fd, outStr.c_str(), outStr.size());
         iter.second->dump(fd, 4);
     }
 
diff --git a/services/audioflinger/Effects.cpp b/services/audioflinger/Effects.cpp
index c3735be..42c4986 100644
--- a/services/audioflinger/Effects.cpp
+++ b/services/audioflinger/Effects.cpp
@@ -524,7 +524,7 @@
     result.appendFormat("\t\t- apiVersion: %08X\n\t\t- flags: %08X (%s)\n",
             mDescriptor.apiVersion,
             mDescriptor.flags,
-            effectFlagsToString(mDescriptor.flags).string());
+            effectFlagsToString(mDescriptor.flags).c_str());
     result.appendFormat("\t\t- name: %s\n",
             mDescriptor.name);
 
@@ -545,7 +545,7 @@
         mLock.unlock();
     }
 
-    write(fd, result.string(), result.length());
+    write(fd, result.c_str(), result.length());
 }
 
 // ----------------------------------------------------------------------------
@@ -1653,7 +1653,7 @@
             dumpInOutBuffer(false /* isInput */, mOutBuffer).c_str(),
             dumpInOutBuffer(false /* isInput */, mOutConversionBuffer).c_str());
 
-    write(fd, result.string(), result.length());
+    write(fd, result.c_str(), result.length());
 
     if (mEffectInterface != 0) {
         dprintf(fd, "\tEffect ID %d HAL dump:\n", mId);
@@ -2635,7 +2635,7 @@
                 (int)outBufferStr.size(), "Out buffer      ");
         result.appendFormat("\t%s   %s   %d\n",
                 inBufferStr.c_str(), outBufferStr.c_str(), mActiveTrackCnt);
-        write(fd, result.string(), result.size());
+        write(fd, result.c_str(), result.size());
 
         for (size_t i = 0; i < numEffects; ++i) {
             sp<EffectModule> effect = mEffects[i];
@@ -2648,7 +2648,7 @@
             mLock.unlock();
         }
     } else {
-        write(fd, result.string(), result.size());
+        write(fd, result.c_str(), result.size());
     }
 }
 
@@ -3432,7 +3432,7 @@
     const bool locked = dumpTryLock(mProxyLock);
     if (!locked) {
         String8 result("DeviceEffectProxy may be deadlocked\n");
-        write(fd, result.string(), result.size());
+        write(fd, result.c_str(), result.size());
     }
 
     String8 outStr;
@@ -3441,16 +3441,16 @@
     } else {
         outStr.appendFormat("%*sNO HAL Effect\n", spaces, "");
     }
-    write(fd, outStr.string(), outStr.size());
+    write(fd, outStr.c_str(), outStr.size());
     outStr.clear();
 
     outStr.appendFormat("%*sSub Effects:\n", spaces, "");
-    write(fd, outStr.string(), outStr.size());
+    write(fd, outStr.c_str(), outStr.size());
     outStr.clear();
 
     for (const auto& iter : mEffectHandles) {
         outStr.appendFormat("%*sEffect for patch handle %d:\n", spaces + 2, "", iter.first);
-        write(fd, outStr.string(), outStr.size());
+        write(fd, outStr.c_str(), outStr.size());
         outStr.clear();
         sp<EffectBase> effect = iter.second->effect().promote();
         if (effect != nullptr) {
diff --git a/services/audioflinger/PatchPanel.cpp b/services/audioflinger/PatchPanel.cpp
index b54b41f..972c870 100644
--- a/services/audioflinger/PatchPanel.cpp
+++ b/services/audioflinger/PatchPanel.cpp
@@ -906,7 +906,7 @@
             patchPanelDump += "\nPatches:\n";
             headerPrinted = true;
         }
-        patchPanelDump.appendFormat("%s%s\n", indent, iter.second.dump(iter.first).string());
+        patchPanelDump.appendFormat("%s%s\n", indent, iter.second.dump(iter.first).c_str());
     }
 
     headerPrinted = false;
@@ -924,12 +924,12 @@
             for (const auto& patch : module.second.sw_patches) {
                 moduleDump.appendFormat("%d ", patch);
             }
-            patchPanelDump.appendFormat("%s%s\n", indent, moduleDump.string());
+            patchPanelDump.appendFormat("%s%s\n", indent, moduleDump.c_str());
         }
     }
 
     if (!patchPanelDump.isEmpty()) {
-        write(fd, patchPanelDump.string(), patchPanelDump.size());
+        write(fd, patchPanelDump.c_str(), patchPanelDump.size());
     }
 }
 
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index ef5e727..6aafa07 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -488,7 +488,7 @@
                 "  us per mix loop: mean=%.0f stddev=%.0f min=%.0f max=%.0f\n"
                 "  %% of wall: mean=%.1f stddev=%.1f min=%.1f max=%.1f\n"
                 "  MHz: mean=%.1f, stddev=%.1f, min=%.1f max=%.1f",
-                    title.string(),
+                    title.c_str(),
                     elapsed * .000000001, n, perLoop * .000001,
                     mean * .001,
                     stddev * .001,
@@ -612,7 +612,7 @@
 
 status_t AudioFlinger::ThreadBase::setParameters(const String8& keyValuePairs)
 {
-    ALOGV("ThreadBase::setParameters() %s", keyValuePairs.string());
+    ALOGV("ThreadBase::setParameters() %s", keyValuePairs.c_str());
     Mutex::Autolock _l(mLock);
 
     return sendSetParameterConfigEvent_l(keyValuePairs);
@@ -797,7 +797,7 @@
             if (checkForNewParameter_l(data->mKeyValuePairs, event->mStatus)) {
                 configChanged = true;
                 mLocalLog.log("CFG_EVENT_SET_PARAMETER: (%s) configuration changed",
-                        data->mKeyValuePairs.string());
+                        data->mKeyValuePairs.c_str());
             }
         } break;
         case CFG_EVENT_CREATE_AUDIO_PATCH: {
@@ -982,7 +982,7 @@
     dprintf(fd, "  HAL buffer size: %zu bytes\n", mBufferSize);
     dprintf(fd, "  Channel count: %u\n", mChannelCount);
     dprintf(fd, "  Channel mask: 0x%08x (%s)\n", mChannelMask,
-            channelMaskToString(mChannelMask, mType != RECORD).string());
+            channelMaskToString(mChannelMask, mType != RECORD).c_str());
     dprintf(fd, "  Processing format: 0x%x (%s)\n", mFormat, formatToString(mFormat).c_str());
     dprintf(fd, "  Processing frame size: %zu bytes\n", mFrameSize);
     dprintf(fd, "  Pending config events:");
@@ -1918,7 +1918,7 @@
     if (mLocalLog != nullptr) {
         String8 result;
         track->appendDump(result, false /* active */);
-        mLocalLog->log("AT::%-10s(%p) %s", funcName, track.get(), result.string());
+        mLocalLog->log("AT::%-10s(%p) %s", funcName, track.get(), result.c_str());
     }
 }
 
@@ -2171,7 +2171,7 @@
         }
     }
     result.append("\n");
-    write(fd, result.string(), result.length());
+    write(fd, result.c_str(), result.length());
     result.clear();
 
     // These values are "raw"; they will wrap around.  See prepareTracks_l() for a better way.
@@ -2217,7 +2217,7 @@
         }
     }
 
-    write(fd, result.string(), result.size());
+    write(fd, result.c_str(), result.size());
 }
 
 void AudioFlinger::PlaybackThread::dumpInternals_l(int fd, const Vector<String16>& args)
@@ -2827,7 +2827,7 @@
 
     String8 result;
     track->appendDump(result, false /* active */);
-    mLocalLog.log("removeTrack_l (%p) %s", track.get(), result.string());
+    mLocalLog.log("removeTrack_l (%p) %s", track.get(), result.c_str());
 
     mTracks.remove(track);
     {
@@ -3886,9 +3886,9 @@
 
                     releaseWakeLock_l();
                     // wait until we have something to do...
-                    ALOGV("%s going to sleep", myName.string());
+                    ALOGV("%s going to sleep", myName.c_str());
                     mWaitWorkCV.wait(mLock);
-                    ALOGV("%s waking up", myName.string());
+                    ALOGV("%s waking up", myName.c_str());
                     acquireWakeLock_l();
 
                     mMixerStatus = MIXER_IDLE;
@@ -8817,7 +8817,7 @@
 {
     String8 result;
     track->appendDump(result, false /* active */);
-    mLocalLog.log("removeTrack_l (%p) %s", track.get(), result.string());
+    mLocalLog.log("removeTrack_l (%p) %s", track.get(), result.c_str());
 
     mTracks.remove(track);
     // need anything related to effects here?
@@ -8896,7 +8896,7 @@
         }
 
     }
-    write(fd, result.string(), result.size());
+    write(fd, result.c_str(), result.size());
 }
 
 void AudioFlinger::RecordThread::setRecordSilenced(audio_port_handle_t portId, bool silenced)
@@ -9933,9 +9933,9 @@
                 }
 
                 // wait until we have something to do...
-                ALOGV("%s going to sleep", myName.string());
+                ALOGV("%s going to sleep", myName.c_str());
                 mWaitWorkCV.wait(mLock);
-                ALOGV("%s waking up", myName.string());
+                ALOGV("%s waking up", myName.c_str());
 
                 checkSilentMode_l();
 
@@ -10303,7 +10303,7 @@
     } else {
         dprintf(fd, "\n");
     }
-    write(fd, result.string(), result.size());
+    write(fd, result.c_str(), result.size());
 }
 
 AudioFlinger::MmapPlaybackThread::MmapPlaybackThread(
diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index b867774..1d00a34 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -167,7 +167,7 @@
             mKeyValuePairs(keyValuePairs) {}
 
         virtual  void dump(char *buffer, size_t size) {
-            snprintf(buffer, size, "- KeyValue: %s\n", mKeyValuePairs.string());
+            snprintf(buffer, size, "- KeyValue: %s\n", mKeyValuePairs.c_str());
         }
 
         const String8 mKeyValuePairs;