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https://github.com/vgmstream/vgmstream.git
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streamfiles: fix off_t in MSVC/custom IO callback
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@ -16,22 +16,13 @@
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* - Clang: seems only defined on Linux/GNU environments, somehow emscripten is out
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* (unsure about Clang Win since apparently they define _MSC_VER)
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* - Android: API +24 if not using __USE_FILE_OFFSET64
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* Not sure if fopen64 is needed in some cases. May be work adding some compiler flag to control this manually.
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* Not sure if fopen64 is needed in some cases. May be worth adding some compiler flag to enable 64 versions manually.
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*/
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/* MSVC fixes (though mingw uses MSVCRT but not MSC_VER, maybe use AND?) */
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#if defined(__MSVCRT__) || defined(_MSC_VER)
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#include <io.h>
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/*
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#ifndef fseeko
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#define fseeko fseek
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#endif
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#ifndef ftello
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#define ftello ftell
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#endif
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*/
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#define fopen_v fopen
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#if (_MSC_VER >= 1400)
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#define fseek_v _fseeki64
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@ -48,9 +39,9 @@
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#define fdopen _fdopen
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#define dup _dup
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#ifndef off64_t
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#define off_t __int64
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#endif
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//#ifndef off64_t
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// #define off_t/off64_t __int64
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//#endif
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#elif defined(XBMC) || defined(__EMSCRIPTEN__) || defined (__ANDROID__)
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#define fopen_v fopen
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@ -87,7 +78,7 @@ static size_t stdio_read(STDIO_STREAMFILE* sf, uint8_t* dst, offv_t offset, size
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if (!sf->infile || !dst || length <= 0 || offset < 0)
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return 0;
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//;VGM_LOG("STDIO: read %lx + %x (buf %lx + %x)\n", offset, length, sf->buf_offset, sf->valid_size);
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//;VGM_LOG("stdio: read %lx + %x (buf %lx + %x)\n", offset, length, sf->buf_offset, sf->valid_size);
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/* is the part of the requested length in the buffer? */
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if (offset >= sf->buf_offset && offset < sf->buf_offset + sf->valid_size) {
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@ -98,7 +89,7 @@ static size_t stdio_read(STDIO_STREAMFILE* sf, uint8_t* dst, offv_t offset, size
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if (buf_limit > length)
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buf_limit = length;
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//;VGM_LOG("STDIO: copy buf %lx + %x (+ %x) (buf %lx + %x)\n", offset, length_to_read, (length - length_to_read), sf->buf_offset, sf->valid_size);
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//;VGM_LOG("stdio: copy buf %lx + %x (+ %x) (buf %lx + %x)\n", offset, length_to_read, (length - length_to_read), sf->buf_offset, sf->valid_size);
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memcpy(dst, sf->buf + buf_into, buf_limit);
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read_total += buf_limit;
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@ -109,7 +100,7 @@ static size_t stdio_read(STDIO_STREAMFILE* sf, uint8_t* dst, offv_t offset, size
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#ifdef VGM_DEBUG_OUTPUT
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if (offset < sf->buf_offset && length > 0) {
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VGM_LOG("STDIO: rebuffer, requested %lx vs %lx (sf %x)\n", offset, sf->buf_offset, (uint32_t)sf);
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VGM_LOG("stdio: rebuffer, requested %x vs %x (sf %x)\n", (uint32_t)offset, (uint32_t)sf->buf_offset, (uint32_t)sf);
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//sf->rebuffer++;
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//if (rebuffer > N) ...
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}
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@ -143,7 +134,7 @@ static size_t stdio_read(STDIO_STREAMFILE* sf, uint8_t* dst, offv_t offset, size
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/* fill the buffer (offset now is beyond buf_offset) */
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sf->buf_offset = offset;
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sf->valid_size = fread(sf->buf, sizeof(uint8_t), sf->buf_size, sf->infile);
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//;VGM_LOG("STDIO: read buf %lx + %x\n", sf->buf_offset, sf->valid_size);
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//;VGM_LOG("stdio: read buf %lx + %x\n", sf->buf_offset, sf->valid_size);
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/* decide how much must be read this time */
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if (length > sf->buf_size)
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@ -335,7 +326,7 @@ static size_t buffer_read(BUFFER_STREAMFILE* sf, uint8_t* dst, offv_t offset, si
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#ifdef VGM_DEBUG_OUTPUT
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if (offset < sf->buf_offset) {
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VGM_LOG("BUFFER: rebuffer, requested %lx vs %lx (sf %x)\n", offset, sf->buf_offset, (uint32_t)sf);
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VGM_LOG("buffer: rebuffer, requested %x vs %x (sf %x)\n", (uint32_t)offset, (uint32_t)sf->buf_offset, (uint32_t)sf);
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}
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#endif
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@ -346,7 +337,7 @@ static size_t buffer_read(BUFFER_STREAMFILE* sf, uint8_t* dst, offv_t offset, si
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/* ignore requests at EOF */
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if (offset >= sf->file_size) {
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//offset = sf->file_size; /* seems fseek doesn't clamp offset */
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VGM_ASSERT_ONCE(offset > sf->file_size, "BUFFER: reading over file_size 0x%x @ 0x%x + 0x%x\n", sf->file_size, (uint32_t)offset, length);
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VGM_ASSERT_ONCE(offset > sf->file_size, "buffer: reading over file_size 0x%x @ 0x%x + 0x%x\n", sf->file_size, (uint32_t)offset, length);
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break;
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}
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@ -598,14 +589,15 @@ typedef struct {
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STREAMFILE* inner_sf;
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void* data; /* state for custom reads, malloc'ed + copied on open (to re-open streamfiles cleanly) */
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size_t data_size;
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size_t (*read_callback)(STREAMFILE*, uint8_t*, offv_t, size_t, void*); /* custom read to modify data before copying into buffer */
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size_t (*read_callback)(STREAMFILE*, uint8_t*, off_t, size_t, void*); /* custom read to modify data before copying into buffer */
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size_t (*size_callback)(STREAMFILE*, void*); /* size when custom reads make data smaller/bigger than underlying streamfile */
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int (*init_callback)(STREAMFILE*, void*); /* init the data struct members somehow, return >= 0 if ok */
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void (*close_callback)(STREAMFILE*, void*); /* close the data struct members somehow */
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/* read doesn't use offv_t since callbacks would need to be modified */
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} IO_STREAMFILE;
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static size_t io_read(IO_STREAMFILE* sf, uint8_t* dst, offv_t offset, size_t length) {
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return sf->read_callback(sf->inner_sf, dst, offset, length, sf->data);
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return sf->read_callback(sf->inner_sf, dst, (off_t)offset, length, sf->data);
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}
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static size_t io_get_size(IO_STREAMFILE* sf) {
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if (sf->size_callback)
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@ -1365,7 +1357,6 @@ static int find_chunk_internal(STREAMFILE* sf, uint32_t chunk_id, off_t start_of
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while (offset < max_offset) {
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uint32_t chunk_type = read_32bit_type(offset + 0x00,sf);
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uint32_t chunk_size = read_32bit_size(offset + 0x04,sf);
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//;VGM_LOG("CHUNK: type=%x, size=%x at %lx\n", chunk_type, chunk_size, offset);
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if (chunk_type == 0xFFFFFFFF || chunk_size == 0xFFFFFFFF)
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return 0;
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@ -1503,7 +1494,7 @@ void dump_streamfile(STREAMFILE* sf, int num) {
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bytes = read_streamfile(buf, offset, sizeof(buf), sf);
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if(!bytes) {
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VGM_LOG("dump streamfile: can't read at %lx\n", offset);
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VGM_LOG("dump streamfile: can't read at %x\n", (uint32_t)offset);
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break;
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}
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@ -20,10 +20,6 @@
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/* MSVC fixes (though mingw uses MSVCRT but not MSC_VER, maybe use AND?) */
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#if defined(__MSVCRT__) || defined(_MSC_VER)
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#include <io.h>
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#ifndef off64_t
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#define off_t __int64
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#endif
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#endif
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#ifndef DIR_SEPARATOR
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