Fix 64-bit comparison
A 64-bit SIZE_MAX value cast to off64_t is always negative, causing valid
files to be rejected in 64-bit mode.
Change-Id: I8f61c19951f9c73292fa917081b8b2f3bfc405a0
diff --git a/media/libstagefright/SampleTable.cpp b/media/libstagefright/SampleTable.cpp
index 93cf055..2f69fd8 100644
--- a/media/libstagefright/SampleTable.cpp
+++ b/media/libstagefright/SampleTable.cpp
@@ -209,6 +209,11 @@
status_t SampleTable::setSampleToChunkParams(
off64_t data_offset, size_t data_size) {
if (mSampleToChunkOffset >= 0) {
+ // already set
+ return ERROR_MALFORMED;
+ }
+
+ if (data_offset < 0) {
return ERROR_MALFORMED;
}
@@ -246,7 +251,7 @@
for (uint32_t i = 0; i < mNumSampleToChunkOffsets; ++i) {
uint8_t buffer[12];
- if ((off64_t)(SIZE_MAX - 8 - (i * 12)) < mSampleToChunkOffset) {
+ if ((SIZE_MAX - 8 - (i * 12)) < (size_t)mSampleToChunkOffset) {
return ERROR_MALFORMED;
}