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Fixes Android_JNI_FileRead behaviour where reading past the end of a file returns zero instead of the number of bytes read.

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This commit is contained in:
Gabriel Jacobo
2012-07-20 15:22:48 -03:00
parent 21d0a3503b
commit 62b982e79f
1 changed files with 5 additions and 1 deletions
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6
src/core/android/SDL_android.cpp
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@@ -591,9 +591,13 @@ extern "C" size_t Android_JNI_FileRead(SDL_RWops* ctx, void* buffer,
size_t size, size_t maxnum)
{
LocalReferenceHolder refs;
int bytesRemaining = size * maxnum;
jlong bytesRemaining = (jlong) (size * maxnum);
jlong bytesMax = (jlong) (ctx->hidden.androidio.size - ctx->hidden.androidio.position);
int bytesRead = 0;
/* Don't read more bytes than those that remain in the file, otherwise we get an exception */
if (bytesRemaining > bytesMax) bytesRemaining = bytesMax;
JNIEnv *mEnv = Android_JNI_GetEnv();
if (!refs.init(mEnv)) {
return -1;