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Add a safety net to catch EOF scenarios to the VFS.

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This catches the case when backends do not return MA_AT_END when no
data is read.
This commit is contained in:
David Reid
2021-07-18 13:51:56 +10:00
parent c45afa011e
commit a188eaae26
1 changed files with 13 additions and 1 deletions
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miniaudio.h
+13 -1
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@@ -47545,6 +47545,8 @@ MA_API ma_result ma_vfs_close(ma_vfs* pVFS, ma_vfs_file file)
MA_API ma_result ma_vfs_read(ma_vfs* pVFS, ma_vfs_file file, void* pDst, size_t sizeInBytes, size_t* pBytesRead)
{
ma_vfs_callbacks* pCallbacks = (ma_vfs_callbacks*)pVFS;
ma_result result;
ma_uint64 bytesRead;
if (pBytesRead != NULL) {
*pBytesRead = 0;
@@ -47558,7 +47560,17 @@ MA_API ma_result ma_vfs_read(ma_vfs* pVFS, ma_vfs_file file, void* pDst, size_t
return MA_NOT_IMPLEMENTED;
}
return pCallbacks->onRead(pVFS, file, pDst, sizeInBytes, pBytesRead);
result = pCallbacks->onRead(pVFS, file, pDst, sizeInBytes, &bytesRead);
if (pBytesRead != NULL) {
*pBytesRead = bytesRead;
}
if (result == MA_SUCCESS && bytesRead == 0 && sizeInBytes > 0) {
result = MA_AT_END;
}
return result;
}
MA_API ma_result ma_vfs_write(ma_vfs* pVFS, ma_vfs_file file, const void* pSrc, size_t sizeInBytes, size_t* pBytesWritten)