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https://github.com/radareorg/radare2.git
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92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/* radare - LGPL - Copyright 2008-2011 pancake<nopcode.org> */
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#include "r_io.h"
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#include "r_lib.h"
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#if __WINDOWS__
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#include <sys/types.h>
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typedef struct {
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HANDLE hnd;
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} RIOW32;
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#define RIOW32_HANDLE(x) (((RIOW32*)x)->hnd)
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static int w32__write(RIO *io, RIODesc *fd, const ut8 *buf, int count) {
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if (fd == NULL || fd->data == NULL)
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return -1;
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return WriteFile (RIOW32_HANDLE (fd), buf, count, NULL, NULL);
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}
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static int w32__read(RIO *io, RIODesc *fd, ut8 *buf, int count) {
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DWORD ret;
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return ReadFile (RIOW32_HANDLE (fd), buf, count, &ret, NULL)?ret:-1;
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}
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static int w32__close(RIODesc *fd) {
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if (fd->data) {
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// TODO: handle return value
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CloseHandle (RIOW32_HANDLE (fd));
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free (fd->data);
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fd->data = NULL;
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return 0;
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}
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return -1;
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}
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// TODO: handle filesize and so on
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static ut64 w32__lseek(RIO *io, RIODesc *fd, ut64 offset, int whence) {
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SetFilePointer (RIOW32_HANDLE (fd), offset, 0, !whence?FILE_BEGIN:whence==1?FILE_CURRENT:FILE_END);
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return (!whence)?offset:whence==1?io->off+offset:UT64_MAX;
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}
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static int w32__plugin_open(RIO *io, const char *pathname, ut8 many) {
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return (!memcmp (pathname, "w32://", 6));
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}
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static inline int getw32fd (RIOW32 *w32) {
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return (int)(size_t)w32->hnd;
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}
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static RIODesc *w32__open(RIO *io, const char *pathname, int rw, int mode) {
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if (!memcmp (pathname, "w32://", 6)) {
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RIOW32 *w32 = R_NEW (RIOW32);
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const char *filename= pathname+6;
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w32->hnd = CreateFile (filename,
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GENERIC_READ | rw?GENERIC_WRITE:0,
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FILE_SHARE_READ | rw?FILE_SHARE_WRITE:0,
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NULL, OPEN_ALWAYS, 0, NULL);
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if (w32->hnd != INVALID_HANDLE_VALUE)
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return r_io_desc_new (&r_io_plugin_w32, getw32fd (w32),
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pathname, rw, mode, w32);
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free (w32);
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}
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return NULL;
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}
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RIOPlugin r_io_plugin_w32 = {
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.name = "w32",
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.desc = "w32 API io",
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.license = "LGPL3",
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.open = w32__open,
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.close = w32__close,
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.read = w32__read,
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.plugin_open = w32__plugin_open,
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.lseek = w32__lseek,
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.system = NULL, // w32__system,
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.write = w32__write,
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};
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#ifndef CORELIB
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struct r_lib_struct_t radare_plugin = {
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.type = R_LIB_TYPE_IO,
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.data = &r_io_plugin_w32
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};
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#endif
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#else
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struct r_io_plugin_t r_io_plugin_w32 = {
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.name = (void*)0
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};
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#endif
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