Fix integer overflow issue.

zhouchanglin-rr · web-flow · commit 376765c0392f · 2025-08-22T11:56:31.000+08:00
diff --git a/AudioFile.h b/AudioFile.h
@@ -652,7 +652,7 @@ bool AudioFile<T>::decodeWaveFile (const std::vector<uint8_t>& fileData)
     {
         for (int channel = 0; channel < numChannels; channel++)
         {
-            int sampleIndex = samplesStartIndex + (numBytesPerBlock * i) + channel * numBytesPerSample;
+            size_t sampleIndex = samplesStartIndex + (numBytesPerBlock * i) + channel * numBytesPerSample;
             
             if ((sampleIndex + (bitDepth / 8) - 1) >= fileData.size())
             {
@@ -813,7 +813,7 @@ bool AudioFile<T>::decodeAiffFile (const std::vector<uint8_t>& fileData)
     {
         for (int channel = 0; channel < numChannels; channel++)
         {
-            int sampleIndex = samplesStartIndex + (numBytesPerFrame * i) + channel * numBytesPerSample;
+            size_t sampleIndex = samplesStartIndex + (numBytesPerFrame * i) + channel * numBytesPerSample;
             
             if ((sampleIndex + (bitDepth / 8) - 1) >= fileData.size())
             {

Original file line number	Diff line number	Diff line change
`@@ -652,7 +652,7 @@ bool AudioFile<T>::decodeWaveFile (const std::vector<uint8_t>& fileData)`
`652`	`652`	`{`
`653`	`653`	`for (int channel = 0; channel < numChannels; channel++)`
`654`	`654`	`{`
`655`		`- int sampleIndex = samplesStartIndex + (numBytesPerBlock * i) + channel * numBytesPerSample;`
	`655`	`+ size_t sampleIndex = samplesStartIndex + (numBytesPerBlock * i) + channel * numBytesPerSample;`
`656`	`656`
`657`	`657`	`if ((sampleIndex + (bitDepth / 8) - 1) >= fileData.size())`
`658`	`658`	`{`
`@@ -813,7 +813,7 @@ bool AudioFile<T>::decodeAiffFile (const std::vector<uint8_t>& fileData)`
`813`	`813`	`{`
`814`	`814`	`for (int channel = 0; channel < numChannels; channel++)`
`815`	`815`	`{`
`816`		`- int sampleIndex = samplesStartIndex + (numBytesPerFrame * i) + channel * numBytesPerSample;`
	`816`	`+ size_t sampleIndex = samplesStartIndex + (numBytesPerFrame * i) + channel * numBytesPerSample;`
`817`	`817`
`818`	`818`	`if ((sampleIndex + (bitDepth / 8) - 1) >= fileData.size())`
`819`	`819`	`{`