diff options
Diffstat (limited to 'include/utils/Asset.h')
| -rw-r--r-- | include/utils/Asset.h | 62 |
1 files changed, 32 insertions, 30 deletions
diff --git a/include/utils/Asset.h b/include/utils/Asset.h index 2a09095..1fe0e06 100644 --- a/include/utils/Asset.h +++ b/include/utils/Asset.h @@ -23,9 +23,11 @@ #include <stdio.h> #include <sys/types.h> -#include "FileMap.h" -#include "String8.h" -#include "Errors.h" + +#include <utils/Compat.h> +#include <utils/Errors.h> +#include <utils/FileMap.h> +#include <utils/String8.h> namespace android { @@ -69,10 +71,10 @@ public: /* * Seek to the specified offset. "whence" uses the same values as - * lseek/fseek. Returns the new position on success, or (off_t) -1 + * lseek/fseek. Returns the new position on success, or (off64_t) -1 * on failure. */ - virtual off_t seek(off_t offset, int whence) = 0; + virtual off64_t seek(off64_t offset, int whence) = 0; /* * Close the asset, freeing all associated resources. @@ -87,26 +89,26 @@ public: /* * Get the total amount of data that can be read. */ - virtual off_t getLength(void) const = 0; + virtual off64_t getLength(void) const = 0; /* * Get the total amount of data that can be read from the current position. */ - virtual off_t getRemainingLength(void) const = 0; + virtual off64_t getRemainingLength(void) const = 0; /* * Open a new file descriptor that can be used to read this asset. * Returns -1 if you can not use the file descriptor (for example if the * asset is compressed). */ - virtual int openFileDescriptor(off_t* outStart, off_t* outLength) const = 0; - + virtual int openFileDescriptor(off64_t* outStart, off64_t* outLength) const = 0; + /* * Return whether this asset's buffer is allocated in RAM (not mmapped). * Note: not virtual so it is safe to call even when being destroyed. */ virtual bool isAllocated(void) const { return false; } - + /* * Get a string identifying the asset's source. This might be a full * path, it might be a colon-separated list of identifiers. @@ -120,7 +122,7 @@ protected: Asset(void); // constructor; only invoked indirectly /* handle common seek() housekeeping */ - off_t handleSeek(off_t offset, int whence, off_t curPosn, off_t maxPosn); + off64_t handleSeek(off64_t offset, int whence, off64_t curPosn, off64_t maxPosn); /* set the asset source string */ void setAssetSource(const String8& path) { mAssetSource = path; } @@ -153,7 +155,7 @@ private: * * The asset takes ownership of the file descriptor. */ - static Asset* createFromFileSegment(int fd, off_t offset, size_t length, + static Asset* createFromFileSegment(int fd, off64_t offset, size_t length, AccessMode mode); /* @@ -166,7 +168,7 @@ private: * This may not verify the validity of the compressed data until first * use. */ - static Asset* createFromCompressedData(int fd, off_t offset, + static Asset* createFromCompressedData(int fd, off64_t offset, int compressionMethod, size_t compressedLength, size_t uncompressedLength, AccessMode mode); #endif @@ -221,7 +223,7 @@ public: * * On success, the object takes ownership of "fd". */ - status_t openChunk(const char* fileName, int fd, off_t offset, size_t length); + status_t openChunk(const char* fileName, int fd, off64_t offset, size_t length); /* * Use a memory-mapped region. @@ -234,18 +236,18 @@ public: * Standard Asset interfaces. */ virtual ssize_t read(void* buf, size_t count); - virtual off_t seek(off_t offset, int whence); + virtual off64_t seek(off64_t offset, int whence); virtual void close(void); virtual const void* getBuffer(bool wordAligned); - virtual off_t getLength(void) const { return mLength; } - virtual off_t getRemainingLength(void) const { return mLength-mOffset; } - virtual int openFileDescriptor(off_t* outStart, off_t* outLength) const; + virtual off64_t getLength(void) const { return mLength; } + virtual off64_t getRemainingLength(void) const { return mLength-mOffset; } + virtual int openFileDescriptor(off64_t* outStart, off64_t* outLength) const; virtual bool isAllocated(void) const { return mBuf != NULL; } private: - off_t mStart; // absolute file offset of start of chunk - off_t mLength; // length of the chunk - off_t mOffset; // current local offset, 0 == mStart + off64_t mStart; // absolute file offset of start of chunk + off64_t mLength; // length of the chunk + off64_t mOffset; // current local offset, 0 == mStart FILE* mFp; // for read/seek char* mFileName; // for opening @@ -276,7 +278,7 @@ public: * * On success, the object takes ownership of "fd". */ - status_t openChunk(int fd, off_t offset, int compressionMethod, + status_t openChunk(int fd, off64_t offset, int compressionMethod, size_t uncompressedLen, size_t compressedLen); /* @@ -291,19 +293,19 @@ public: * Standard Asset interfaces. */ virtual ssize_t read(void* buf, size_t count); - virtual off_t seek(off_t offset, int whence); + virtual off64_t seek(off64_t offset, int whence); virtual void close(void); virtual const void* getBuffer(bool wordAligned); - virtual off_t getLength(void) const { return mUncompressedLen; } - virtual off_t getRemainingLength(void) const { return mUncompressedLen-mOffset; } - virtual int openFileDescriptor(off_t* outStart, off_t* outLength) const { return -1; } + virtual off64_t getLength(void) const { return mUncompressedLen; } + virtual off64_t getRemainingLength(void) const { return mUncompressedLen-mOffset; } + virtual int openFileDescriptor(off64_t* outStart, off64_t* outLength) const { return -1; } virtual bool isAllocated(void) const { return mBuf != NULL; } private: - off_t mStart; // offset to start of compressed data - off_t mCompressedLen; // length of the compressed data - off_t mUncompressedLen; // length of the uncompressed data - off_t mOffset; // current offset, 0 == start of uncomp data + off64_t mStart; // offset to start of compressed data + off64_t mCompressedLen; // length of the compressed data + off64_t mUncompressedLen; // length of the uncompressed data + off64_t mOffset; // current offset, 0 == start of uncomp data FileMap* mMap; // for memory-mapped input int mFd; // for file input |