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-rw-r--r--src/lib/formats/ioprocs.cpp215
1 files changed, 0 insertions, 215 deletions
diff --git a/src/lib/formats/ioprocs.cpp b/src/lib/formats/ioprocs.cpp
deleted file mode 100644
index 34810153f9a..00000000000
--- a/src/lib/formats/ioprocs.cpp
+++ /dev/null
@@ -1,215 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Nathan Woods
-#include <cstdio>
-#include <cstring>
-#include <cassert>
-#include "osdcore.h"
-#include "ioprocs.h"
-#include "corefile.h"
-
-
-/*********************************************************************
- ioprocs implementation on stdio
-*********************************************************************/
-
-static void stdio_closeproc(void *file)
-{
- fclose((FILE*)file);
-}
-
-static int stdio_seekproc(void *file, int64_t offset, int whence)
-{
- return fseek((FILE*)file, (long) offset, whence);
-}
-
-static size_t stdio_readproc(void *file, void *buffer, size_t length)
-{
- return fread(buffer, 1, length, (FILE*)file);
-}
-
-static size_t stdio_writeproc(void *file, const void *buffer, size_t length)
-{
- return fwrite(buffer, 1, length, (FILE*)file);
-}
-
-static uint64_t stdio_filesizeproc(void *file)
-{
- long l, sz;
- l = ftell((FILE*)file);
- if (fseek((FILE*)file, 0, SEEK_END))
- return (size_t) -1;
- sz = ftell((FILE*)file);
- if (fseek((FILE*)file, l, SEEK_SET))
- return (size_t) -1;
- return (size_t) sz;
-}
-
-const struct io_procs stdio_ioprocs =
-{
- stdio_closeproc,
- stdio_seekproc,
- stdio_readproc,
- stdio_writeproc,
- stdio_filesizeproc
-};
-
-const struct io_procs stdio_ioprocs_noclose =
-{
- nullptr,
- stdio_seekproc,
- stdio_readproc,
- stdio_writeproc,
- stdio_filesizeproc
-};
-
-/*********************************************************************
- ioprocs implementation on corefile
-*********************************************************************/
-
-static void corefile_closeproc(void *file)
-{
- delete (util::core_file*)file;
-}
-
-static int corefile_seekproc(void *file, int64_t offset, int whence)
-{
- return ((util::core_file*)file)->seek(offset, whence);
-}
-
-static size_t corefile_readproc(void *file, void *buffer, size_t length)
-{
- return ((util::core_file*)file)->read(buffer, length);
-}
-
-static size_t corefile_writeproc(void *file, const void *buffer, size_t length)
-{
- return ((util::core_file*)file)->write(buffer, length);
-}
-
-static uint64_t corefile_filesizeproc(void *file)
-{
- const auto l = ((util::core_file*)file)->tell();
- if (((util::core_file*)file)->seek(0, SEEK_END))
- return (size_t) -1;
- const auto sz = ((util::core_file*)file)->tell();
- if (((util::core_file*)file)->seek(l, SEEK_SET))
- return uint64_t(-1);
- return uint64_t(sz);
-}
-
-const struct io_procs corefile_ioprocs =
-{
- corefile_closeproc,
- corefile_seekproc,
- corefile_readproc,
- corefile_writeproc,
- corefile_filesizeproc
-};
-
-const struct io_procs corefile_ioprocs_noclose =
-{
- nullptr,
- corefile_seekproc,
- corefile_readproc,
- corefile_writeproc,
- corefile_filesizeproc
-};
-
-
-
-/*********************************************************************
- calls for accessing generic IO
-*********************************************************************/
-
-static void io_generic_seek(struct io_generic *genio, uint64_t offset)
-{
- genio->procs->seekproc(genio->file, offset, SEEK_SET);
-}
-
-
-
-void io_generic_close(struct io_generic *genio)
-{
- if (genio->procs->closeproc)
- genio->procs->closeproc(genio->file);
-}
-
-
-
-void io_generic_read(struct io_generic *genio, void *buffer, uint64_t offset, size_t length)
-{
- uint64_t size;
- size_t bytes_read;
-
- size = io_generic_size(genio);
- if (size <= offset)
- {
- bytes_read = 0;
- }
- else
- {
- io_generic_seek(genio, offset);
- bytes_read = genio->procs->readproc(genio->file, buffer, length);
- }
- memset(((uint8_t *) buffer) + bytes_read, genio->filler, length - bytes_read);
-}
-
-
-
-void io_generic_write(struct io_generic *genio, const void *buffer, uint64_t offset, size_t length)
-{
- uint64_t filler_size = 0;
- char filler_buffer[1024];
- size_t bytes_to_write;
- uint64_t size;
-
- size = io_generic_size(genio);
-
- if (size < offset)
- {
- filler_size = offset - size;
- offset = size;
- }
-
- io_generic_seek(genio, offset);
-
- if (filler_size)
- {
- memset(filler_buffer, genio->filler, sizeof(filler_buffer));
- do
- {
- bytes_to_write = (filler_size > sizeof(filler_buffer)) ? sizeof(filler_buffer) : (size_t) filler_size;
- genio->procs->writeproc(genio->file, filler_buffer, bytes_to_write);
- filler_size -= bytes_to_write;
- }
- while(filler_size > 0);
- }
-
- if (length > 0)
- genio->procs->writeproc(genio->file, buffer, length);
-}
-
-
-
-void io_generic_write_filler(struct io_generic *genio, uint8_t filler, uint64_t offset, size_t length)
-{
- uint8_t buffer[512];
- size_t this_length;
-
- memset(buffer, filler, std::min(length, sizeof(buffer)));
-
- while(length > 0)
- {
- this_length = std::min(length, sizeof(buffer));
- io_generic_write(genio, buffer, offset, this_length);
- offset += this_length;
- length -= this_length;
- }
-}
-
-
-
-uint64_t io_generic_size(struct io_generic *genio)
-{
- return genio->procs->filesizeproc(genio->file);
-}