io_desc.c File Reference

#include <rz_io.h>
#include <sdb.h>
#include <string.h>

Go to the source code of this file.

Functions
RZ_API RzIODesc *	rz_io_desc_new (RzIO *io, RzIOPlugin *plugin, const char *uri, int perm, int mode, void *data)
RZ_API void	rz_io_desc_free (RzIODesc *desc)
RZ_API bool	rz_io_desc_add (RzIO *io, RzIODesc *desc)
RZ_API bool	rz_io_desc_del (RzIO *io, int fd)
RZ_API RzIODesc *	rz_io_desc_get (RzIO *io, int fd)
RZ_API RzIODesc *	rz_io_desc_get_next (RzIO *io, RzIODesc *desc)
RZ_API RzIODesc *	rz_io_desc_get_prev (RzIO *io, RzIODesc *desc)
RZ_API RzIODesc *	rz_io_desc_get_highest (RzIO *io)
RZ_API RzIODesc *	rz_io_desc_get_lowest (RzIO *io)
RZ_API RzIODesc *	rz_io_desc_open (RzIO *io, const char *uri, int perm, int mode)
RZ_API RzIODesc *	rz_io_desc_open_plugin (RzIO *io, RzIOPlugin *plugin, const char *uri, int perm, int mode)
RZ_API bool	rz_io_desc_close (RzIODesc *desc)
RZ_API int	rz_io_desc_write (RzIODesc *desc, const ut8 *buf, int len)
RZ_API int	rz_io_desc_read (RzIODesc *desc, ut8 *buf, int len)
RZ_API ut64	rz_io_desc_seek (RzIODesc *desc, ut64 offset, int whence)
RZ_API ut64	rz_io_desc_size (RzIODesc *desc)
RZ_API ut8 *	rz_io_desc_get_buf (RzIODesc *desc, RZ_OUT RZ_NONNULL ut64 *size)
	Returns the underlying buffer of the io descriptor. More...
RZ_API bool	rz_io_desc_resize (RzIODesc *desc, ut64 newsize)
RZ_API bool	rz_io_desc_is_blockdevice (RzIODesc *desc)
RZ_API bool	rz_io_desc_is_chardevice (RzIODesc *desc)
RZ_API bool	rz_io_desc_exchange (RzIO *io, int fd, int fdx)
RZ_API bool	rz_io_desc_is_dbg (RzIODesc *desc)
RZ_API int	rz_io_desc_get_pid (RzIODesc *desc)
RZ_API int	rz_io_desc_get_tid (RzIODesc *desc)
RZ_API bool	rz_io_desc_get_base (RzIODesc *desc, ut64 *base)
RZ_API int	rz_io_desc_read_at (RzIODesc *desc, ut64 addr, ut8 *buf, int len)
RZ_API int	rz_io_desc_write_at (RzIODesc *desc, ut64 addr, const ut8 *buf, int len)
RZ_IPI bool	rz_io_desc_init (RzIO *io)
static bool	desc_fini_cb (void *user, void *data, ut32 id)
RZ_IPI bool	rz_io_desc_fini (RzIO *io)

Function Documentation

desc_fini_cb()

static bool desc_fini_cb ( void *  user, void *  data, ut32  id  )

static

Definition at line 380 of file io_desc.c.

                                                          {
    RzIODesc *desc = (RzIODesc *)data;
    if (desc->plugin && desc->plugin->close) {
        desc->plugin->close(desc);
    }
    rz_io_desc_free(desc);
    return true;
}

References desc, and rz_io_desc_free().

Referenced by rz_io_desc_fini().

rz_io_desc_add()

RZ_API bool rz_io_desc_add	(	RzIO *	io,
		RzIODesc *	desc
	)

Definition at line 49 of file io_desc.c.

                                                     {
    rz_return_val_if_fail(io && desc && desc->io, false);
    if (!rz_id_storage_set(io->files, desc, desc->fd)) {
        // TODO: use assert here
        eprintf("You are using this API incorrectly\n");
        eprintf("fd %d was probably not generated by this RzIO-instance\n", desc->fd);
        rz_sys_backtrace();
        return false;
    }
    return true;
}

References desc, eprintf, rz_io_t::files, rz_id_storage_set(), rz_return_val_if_fail, and rz_sys_backtrace().

Referenced by find_apk_binary(), rz_core_file_open_many(), rz_io_desc_open(), rz_io_desc_open_plugin(), and rz_io_open_many().

rz_io_desc_close()

RZ_API bool rz_io_desc_close

(

RzIODesc *

desc

)

Definition at line 165 of file io_desc.c.

                                             {
    if (!desc || !desc->io || !desc->plugin) {
        return false;
    }
    RzIO *io = desc->io;
    RzEventIODescClose ev = { desc };
    rz_event_send(io->event, RZ_EVENT_IO_DESC_CLOSE, &ev);
    if (desc->plugin->close && desc->plugin->close(desc)) {
        return false;
    }
    // remove entry from idstorage and free the desc-struct
    rz_io_desc_del(io, desc->fd);
    // remove all dead maps
    rz_io_map_cleanup(io);
    return true;
}

References desc, rz_io_t::event, RZ_EVENT_IO_DESC_CLOSE, rz_event_send(), rz_io_desc_del(), and rz_io_map_cleanup().

Referenced by dmp_close(), handle_tmp_desc(), hash_context_create_desc_io_stdin(), hash_context_create_desc_io_string(), hash_context_run(), io_create_mem_map(), perform_mapped_file_yank(), reopen_in_malloc_cb(), rz_core_cmd_subst_i(), rz_core_file_close(), rz_core_rtr_rap_run(), rz_core_vfile_bin_file_deleted(), rz_diff_io_close(), rz_diff_io_open(), rz_io_close(), rz_io_fd_close(), rz_io_reopen(), and rz_open_binary_file_handler().

rz_io_desc_del()

RZ_API bool rz_io_desc_del	(	RzIO *	io,
		int	fd
	)

Definition at line 61 of file io_desc.c.

                                             { // can we pass this a riodesc and check if it belongs to the desc->io ?
    rz_return_val_if_fail(io && io->files, false);
    RzIODesc *desc = rz_id_storage_get(io->files, fd);
    rz_io_desc_free(desc);
    if (desc == io->desc) {
        io->desc = NULL;
    }
    // remove all dead maps
    rz_io_map_cleanup(io);
    return true;
}

References desc, rz_io_t::desc, fd, rz_io_t::files, NULL, rz_id_storage_get(), rz_io_desc_free(), rz_io_map_cleanup(), and rz_return_val_if_fail.

Referenced by rz_io_desc_close(), and rz_io_reopen().

rz_io_desc_exchange()

RZ_API bool rz_io_desc_exchange	(	RzIO *	io,
		int	fd,
		int	fdx
	)

Definition at line 275 of file io_desc.c.

                                                           {
    RzIODesc *desc, *descx;
    if (!(desc = rz_io_desc_get(io, fd)) || !(descx = rz_io_desc_get(io, fdx))) {
        return false;
    }
    desc->fd = fdx;
    descx->fd = fd;
    rz_id_storage_set(io->files, desc, fdx);
    rz_id_storage_set(io->files, descx, fd);
    if (io->p_cache) {
        HtUP *cache = desc->cache;
        desc->cache = descx->cache;
        descx->cache = cache;
        rz_io_desc_cache_cleanup(desc);
        rz_io_desc_cache_cleanup(descx);
    }
    void **it;
    rz_pvector_foreach (&io->maps, it) {
        RzIOMap *map = *it;
        if (map->fd == fdx) {
            map->perm &= (desc->perm | RZ_PERM_X);
        } else if (map->fd == fd) {
            map->perm &= (descx->perm | RZ_PERM_X);
        }
    }
    return true;
}

References rz_io_desc_t::cache, desc, fd, rz_io_desc_t::fd, rz_io_t::files, map(), rz_io_t::maps, rz_io_t::p_cache, rz_io_desc_t::perm, rz_id_storage_set(), rz_io_desc_cache_cleanup(), rz_io_desc_get(), RZ_PERM_X, and rz_pvector_foreach.

Referenced by reopen_in_malloc_cb(), rz_io_reopen(), and rz_open_exchange_handler().

rz_io_desc_fini()

RZ_IPI bool rz_io_desc_fini

(

RzIO *

io

)

Definition at line 390 of file io_desc.c.

                                      {
    rz_return_val_if_fail(io, false);
    if (io->files) {
        rz_id_storage_foreach(io->files, desc_fini_cb, io);
        rz_id_storage_free(io->files);
        io->files = NULL;
    }
    // no map-cleanup here, to keep it modular useable
    io->desc = NULL;
    return true;
}

References rz_io_t::desc, desc_fini_cb(), rz_io_t::files, NULL, rz_id_storage_foreach(), rz_id_storage_free(), and rz_return_val_if_fail.

Referenced by rz_io_close_all(), rz_io_desc_init(), and rz_io_fini().

rz_io_desc_free()

RZ_API void rz_io_desc_free

(

RzIODesc *

desc

)

Definition at line 35 of file io_desc.c.

                                            {
    if (desc) {
        free(desc->uri);
        free(desc->referer);
        free(desc->name);
        rz_io_desc_cache_fini(desc);
        if (desc->io && desc->io->files) {
            rz_id_storage_delete(desc->io->files, desc->fd);
        }
        //      free (desc->plugin);
    }
    free(desc);
}

References desc, free(), rz_id_storage_delete(), and rz_io_desc_cache_fini().

Referenced by desc_fini_cb(), rz_core_file_open(), rz_core_file_open_many(), rz_io_desc_del(), rz_io_desc_open(), rz_io_desc_open_plugin(), and rz_io_zip_open().

rz_io_desc_get()

RZ_API RzIODesc* rz_io_desc_get	(	RzIO *	io,
		int	fd
	)

Definition at line 73 of file io_desc.c.

                                                  {
    rz_return_val_if_fail(io && io->files, NULL);
    return (RzIODesc *)rz_id_storage_get(io->files, fd);
}

References fd, rz_io_t::files, NULL, rz_id_storage_get(), and rz_return_val_if_fail.

Referenced by add_map(), basefind_new_bin_file(), core_file_do_load_for_debug(), file_save(), io_map_add(), is_valid_dmp_file(), is_valid_gdb_file(), isValidAddress(), map_multi_dex(), reopen_nobin_headers(), rz_core_bin_apply_maps(), rz_core_bin_load(), rz_core_bin_set_arch_bits(), rz_core_bin_whole_strings(), rz_core_file_binlist(), rz_core_file_close(), rz_core_file_find_by_name(), rz_core_file_info_print(), rz_core_file_open(), rz_core_file_open_load(), rz_core_file_print(), rz_core_file_reopen(), rz_core_file_reopen_debug(), rz_core_file_reopen_remote_debug(), rz_core_raw_file_print(), rz_core_rtr_gdb_cb(), rz_core_setup_debugger(), rz_core_sysenv_begin(), rz_core_visual_title(), rz_io_bind(), rz_io_desc_exchange(), rz_io_desc_get_highest(), rz_io_desc_get_lowest(), rz_io_fd_close(), rz_io_fd_get_base(), rz_io_fd_get_buf(), rz_io_fd_get_name(), rz_io_fd_get_pid(), rz_io_fd_get_tid(), rz_io_fd_is_blockdevice(), rz_io_fd_is_chardevice(), rz_io_fd_is_dbg(), rz_io_fd_read(), rz_io_fd_read_at(), rz_io_fd_resize(), rz_io_fd_seek(), rz_io_fd_size(), rz_io_fd_write(), rz_io_fd_write_at(), rz_io_map_cleanup(), rz_io_reopen(), rz_io_use_fd(), rz_main_rizin(), rz_open_binary_add_handler(), rz_open_malloc_handler(), rz_open_maps_all_fd_handler(), rz_open_maps_map_fd_handler(), rz_open_maps_map_handler(), rz_open_show_current_handler(), rz_write_pcache_commit_handler(), and rz_write_pcache_list_handler().

rz_io_desc_get_base()

RZ_API bool rz_io_desc_get_base	(	RzIODesc *	desc,
		ut64 *	base
	)

Definition at line 344 of file io_desc.c.

                                                            {
    if (!base || !desc || !desc->plugin || !desc->plugin->isdbg || !desc->plugin->getbase) {
        return false;
    }
    return desc->plugin->getbase(desc, base);
}

References desc.

Referenced by core_file_do_load_for_debug(), rz_debug_get_baddr(), and rz_io_fd_get_base().

rz_io_desc_get_buf()

RZ_API ut8* rz_io_desc_get_buf	(	RzIODesc *	desc,
		RZ_OUT RZ_NONNULL ut64 *	size
	)

Returns the underlying buffer of the io descriptor.

Parameters

[in]	desc	The io descriptor
[out]	size	Size of buffer returned

Returns

The buffer or NULL if the buffer is not available

Definition at line 241 of file io_desc.c.

                                                                             {
    rz_return_val_if_fail(size, NULL);
    if (!desc || !desc->plugin || !desc->plugin->get_buf) {
        *size = 0;
        return NULL;
    }
    return desc->plugin->get_buf(desc, size);
}

References desc, NULL, and rz_return_val_if_fail.

Referenced by rz_io_fd_get_buf().

rz_io_desc_get_highest()

RZ_API RzIODesc* rz_io_desc_get_highest

(

RzIO *

io

)

Definition at line 96 of file io_desc.c.

                                                  {
    int fd = rz_io_fd_get_highest(io);
    if (fd == -1) {
        return NULL;
    }
    return rz_io_desc_get(io, fd);
}

References fd, NULL, rz_io_desc_get(), and rz_io_fd_get_highest().

rz_io_desc_get_lowest()

RZ_API RzIODesc* rz_io_desc_get_lowest

(

RzIO *

io

)

Definition at line 104 of file io_desc.c.

                                                 {
    int fd = rz_io_fd_get_lowest(io);
    if (fd == -1) {
        return NULL;
    }
    return rz_io_desc_get(io, fd);
}

References fd, NULL, rz_io_desc_get(), and rz_io_fd_get_lowest().

rz_io_desc_get_next()

RZ_API RzIODesc* rz_io_desc_get_next	(	RzIO *	io,
		RzIODesc *	desc
	)

Definition at line 78 of file io_desc.c.

                                                               {
    rz_return_val_if_fail(desc && io && io->files, NULL);
    const int next_fd = rz_io_fd_get_next(io, desc->fd);
    if (next_fd == -1) {
        return NULL;
    }
    return (RzIODesc *)rz_id_storage_get(io->files, next_fd);
}

References desc, rz_io_t::files, NULL, rz_id_storage_get(), rz_io_fd_get_next(), and rz_return_val_if_fail.

rz_io_desc_get_pid()

RZ_API int rz_io_desc_get_pid

(

RzIODesc *

desc

)

Definition at line 310 of file io_desc.c.

                                              {
    //-1 and -2 are reserved
    if (!desc) {
        return -3;
    }
    if (!desc->plugin) {
        return -4;
    }
    if (!desc->plugin->isdbg) {
        return -5;
    }
    if (!desc->plugin->getpid) {
        return -6;
    }
    return desc->plugin->getpid(desc);
}

References desc.

Referenced by rz_core_setup_debugger(), rz_debug_get_baddr(), and rz_io_fd_get_pid().

rz_io_desc_get_prev()

RZ_API RzIODesc* rz_io_desc_get_prev	(	RzIO *	io,
		RzIODesc *	desc
	)

Definition at line 87 of file io_desc.c.

                                                               {
    rz_return_val_if_fail(desc && io && io->files, NULL);
    const int prev_fd = rz_io_fd_get_prev(io, desc->fd);
    if (prev_fd == -1) {
        return NULL;
    }
    return (RzIODesc *)rz_id_storage_get(io->files, prev_fd);
}

References desc, rz_io_t::files, NULL, rz_id_storage_get(), rz_io_fd_get_prev(), and rz_return_val_if_fail.

rz_io_desc_get_tid()

RZ_API int rz_io_desc_get_tid

(

RzIODesc *

desc

)

Definition at line 327 of file io_desc.c.

                                              {
    //-1 and -2 are reserved
    if (!desc) {
        return -3;
    }
    if (!desc->plugin) {
        return -4;
    }
    if (!desc->plugin->isdbg) {
        return -5;
    }
    if (!desc->plugin->gettid) {
        return -6;
    }
    return desc->plugin->gettid(desc);
}

References desc.

Referenced by rz_debug_get_baddr(), and rz_io_fd_get_tid().

rz_io_desc_init()

RZ_IPI bool rz_io_desc_init

(

RzIO *

io

)

Definition at line 368 of file io_desc.c.

                                      {
    rz_return_val_if_fail(io, false);
    rz_io_desc_fini(io);
    // TODO: it leaks if called twice
    // fd is signed
    io->files = rz_id_storage_new(3, 0x80000000);
    if (!io->files) {
        return false;
    }
    return true;
}

References rz_io_t::files, rz_id_storage_new(), rz_io_desc_fini(), and rz_return_val_if_fail.

Referenced by rz_io_close_all(), and rz_io_init().

rz_io_desc_is_blockdevice()

RZ_API bool rz_io_desc_is_blockdevice

(

RzIODesc *

desc

)

Definition at line 261 of file io_desc.c.

                                                      {
    if (!desc || !desc->plugin || !desc->plugin->is_blockdevice) {
        return false;
    }
    return desc->plugin->is_blockdevice(desc);
}

References desc.

Referenced by reopen_in_malloc_cb(), and rz_io_fd_is_blockdevice().

rz_io_desc_is_chardevice()

RZ_API bool rz_io_desc_is_chardevice

(

RzIODesc *

desc

)

Definition at line 268 of file io_desc.c.

                                                     {
    if (!desc || !desc->plugin || !desc->plugin->is_chardevice) {
        return false;
    }
    return desc->plugin->is_chardevice(desc);
}

References desc.

Referenced by rz_io_fd_is_chardevice(), rz_io_plugin_read_at(), and rz_io_plugin_write_at().

rz_io_desc_is_dbg()

RZ_API bool rz_io_desc_is_dbg

(

RzIODesc *

desc

)

Definition at line 303 of file io_desc.c.

                                              {
    if (desc && desc->plugin) {
        return desc->plugin->isdbg;
    }
    return false;
}

References desc.

Referenced by reopen_in_malloc_cb(), rz_core_bin_apply_maps(), rz_core_bin_load(), and rz_io_fd_is_dbg().

rz_io_desc_new()

RZ_API RzIODesc* rz_io_desc_new	(	RzIO *	io,
		RzIOPlugin *	plugin,
		const char *	uri,
		int	perm,
		int	mode,
		void *	data
	)

Definition at line 11 of file io_desc.c.

                                                                                                               {
    ut32 fd32 = 0;
    // this is required for emscripten builds to work, but should assert
    if (!io || !plugin || !uri) {
        return NULL;
    }
    if (io->files) {
        if (!rz_id_pool_grab_id(io->files->pool, &fd32)) {
            return NULL;
        }
    }
    RzIODesc *desc = RZ_NEW0(RzIODesc);
    if (desc) {
        desc->fd = fd32;
        desc->io = io;
        desc->plugin = plugin;
        desc->data = data;
        desc->perm = perm;
        // because the uri-arg may live on the stack
        desc->uri = strdup(uri);
    }
    return desc;
}

References desc, rz_io_t::files, NULL, rz_id_storage_t::pool, rz_id_pool_grab_id(), RZ_NEW0, and strdup().

Referenced by __open(), __rap_open(), dmp_open(), find_apk_binary(), rz_io_ar_open(), rz_io_ar_open_many(), rz_io_def_mmap_open(), rz_io_zip_open(), rz_io_zip_open_many(), rzk__open(), vf_open(), and windbg_open().

rz_io_desc_open()

RZ_API RzIODesc* rz_io_desc_open	(	RzIO *	io,
		const char *	uri,
		int	perm,
		int	mode
	)

Definition at line 112 of file io_desc.c.

                                                                                {
    rz_return_val_if_fail(io && uri, NULL);
    RzIOPlugin *plugin = rz_io_plugin_resolve(io, uri, 0);
    if (!plugin || !plugin->open) {
        return NULL;
    }
    RzIODesc *desc = plugin->open(io, uri, perm, mode);
    if (!desc) {
        return NULL;
    }
    // for none static callbacks, those that cannot use rz_io_desc_new
    if (!desc->name) {
        desc->name = strdup(uri);
    }
    if (!desc->uri) {
        desc->uri = strdup(uri);
    }
    if (!desc->plugin) {
        desc->plugin = plugin;
    }
    if (!rz_io_desc_add(io, desc)) {
        rz_io_desc_free(desc);
        return NULL;
    }
    return desc;
}

References desc, NULL, rz_io_plugin_t::open, rz_io_desc_add(), rz_io_desc_free(), rz_io_plugin_resolve(), rz_return_val_if_fail, and strdup().

Referenced by rz_io_fd_open(), and rz_io_open_nomap().

rz_io_desc_open_plugin()

RZ_API RzIODesc* rz_io_desc_open_plugin	(	RzIO *	io,
		RzIOPlugin *	plugin,
		const char *	uri,
		int	perm,
		int	mode
	)

Definition at line 139 of file io_desc.c.

                                                                                                           {
    rz_return_val_if_fail(io && io->files && uri, NULL);
    if (!plugin || !plugin->open || !plugin->check || !plugin->check(io, uri, false)) {
        return NULL;
    }
    RzIODesc *desc = plugin->open(io, uri, perm, mode);
    if (!desc) {
        return NULL;
    }
    // for none static callbacks, those that cannot use rz_io_desc_new
    if (!desc->plugin) {
        desc->plugin = plugin;
    }
    if (!desc->uri) {
        desc->uri = strdup(uri);
    }
    if (!desc->name) {
        desc->name = strdup(uri);
    }
    if (!rz_io_desc_add(io, desc)) {
        rz_io_desc_free(desc);
        return NULL;
    }
    return desc;
}

References rz_io_plugin_t::check, desc, rz_io_t::files, NULL, rz_io_plugin_t::open, rz_io_desc_add(), rz_io_desc_free(), rz_return_val_if_fail, and strdup().

rz_io_desc_read()

RZ_API int rz_io_desc_read	(	RzIODesc *	desc,
		ut8 *	buf,
		int	len
	)

Definition at line 197 of file io_desc.c.

                                                              {
    // check pointers and permissions
    if (!buf || !desc || !desc->plugin || !(desc->perm & RZ_PERM_R)) {
        return -1;
    }
    ut64 seek = rz_io_desc_seek(desc, 0LL, RZ_IO_SEEK_CUR);
    if (desc->io->cachemode) {
        if (seek != UT64_MAX && rz_io_cache_at(desc->io, seek)) {
            return rz_io_cache_read(desc->io, seek, buf, len);
        }
    }
    int ret = rz_io_plugin_read(desc, buf, len);
    if (ret > 0 && desc->io->cachemode) {
        rz_io_cache_write(desc->io, seek, buf, len);
    } else if ((ret > 0) && desc->io && (desc->io->p_cache & 1)) {
        ret = rz_io_desc_cache_read(desc, seek, buf, ret);
    }
    return ret;
}

References desc, len, rz_io_cache_at(), rz_io_cache_read(), rz_io_cache_write(), rz_io_desc_cache_read(), rz_io_desc_seek(), rz_io_plugin_read(), RZ_IO_SEEK_CUR, RZ_PERM_R, seek(), ut64(), and UT64_MAX.

Referenced by rz_io_desc_read_at(), and rz_io_fd_read().

rz_io_desc_read_at()

RZ_API int rz_io_desc_read_at	(	RzIODesc *	desc,
		ut64	addr,
		ut8 *	buf,
		int	len
	)

Definition at line 351 of file io_desc.c.

                                                                            {
    if (desc && buf && (rz_io_desc_seek(desc, addr, RZ_IO_SEEK_SET) == addr)) {
        return rz_io_desc_read(desc, buf, len);
    }
    return 0;
}

References addr, desc, len, rz_io_desc_read(), rz_io_desc_seek(), and RZ_IO_SEEK_SET.

Referenced by dmp_read(), read_at_kernel_virtual(), reopen_in_malloc_cb(), rz_io_fd_read_at(), and rz_io_pread_at().

rz_io_desc_resize()

RZ_API bool rz_io_desc_resize	(	RzIODesc *	desc,
		ut64	newsize
	)

Definition at line 250 of file io_desc.c.

                                                            {
    if (desc && desc->plugin && desc->plugin->resize) {
        bool ret = desc->plugin->resize(desc->io, desc, newsize);
        if (desc->io && desc->io->p_cache) {
            rz_io_desc_cache_cleanup(desc);
        }
        return ret;
    }
    return false;
}

References desc, and rz_io_desc_cache_cleanup().

Referenced by rz_io_fd_resize(), and rz_io_resize().

rz_io_desc_seek()

RZ_API ut64 rz_io_desc_seek	(	RzIODesc *	desc,
		ut64	offset,
		int	whence
	)

Definition at line 217 of file io_desc.c.

                                                                     {
    if (!desc || !desc->plugin || !desc->plugin->lseek) {
        return (ut64)-1;
    }
    return desc->plugin->lseek(desc->io, desc, offset, whence);
}

References desc, and ut64().

Referenced by dmp_lseek(), rz_io_desc_read(), rz_io_desc_read_at(), rz_io_desc_size(), rz_io_desc_write(), rz_io_desc_write_at(), rz_io_fd_seek(), rz_io_plugin_read_at(), rz_io_plugin_write(), rz_io_plugin_write_at(), rz_io_seek(), and rz_io_shift().

rz_io_desc_size()

RZ_API ut64 rz_io_desc_size

(

RzIODesc *

desc

)

Definition at line 224 of file io_desc.c.

                                            {
    if (!desc || !desc->plugin || !desc->plugin->lseek) {
        return 0LL;
    }
    ut64 off = rz_io_desc_seek(desc, 0LL, RZ_IO_SEEK_CUR);
    ut64 ret = rz_io_desc_seek(desc, 0LL, RZ_IO_SEEK_END);
    // what to do if that seek fails?
    rz_io_desc_seek(desc, off, RZ_IO_SEEK_SET);
    return ret;
}

References desc, off, rz_io_desc_seek(), RZ_IO_SEEK_CUR, RZ_IO_SEEK_END, RZ_IO_SEEK_SET, and ut64().

Referenced by __desc_cache_cleanup_cb(), basefind_new_bin_file(), calculate_decrypt(), calculate_encrypt(), calculate_hash(), desc_list_cb(), desc_list_json_cb(), desc_list_table_cb(), desc_list_visual_cb(), init_desc_list_visual_cb(), map_multi_dex(), reopen_in_malloc_cb(), rz_core_bin_load(), rz_core_bin_whole_strings(), rz_core_cmd_subst_i(), rz_core_file_info_print(), rz_core_file_open_many(), rz_core_file_print(), rz_core_sysenv_begin(), rz_diff_file_open(), rz_diff_io_open(), rz_io_bind(), rz_io_desc_cache_read(), rz_io_desc_cache_write(), rz_io_extend_at(), rz_io_fd_size(), rz_io_is_valid_offset(), rz_io_open(), rz_io_open_at(), rz_io_size(), rz_main_rizin(), and rz_open_maps_map_fd_handler().

rz_io_desc_write()

RZ_API int rz_io_desc_write	(	RzIODesc *	desc,
		const ut8 *	buf,
		int	len
	)

Definition at line 183 of file io_desc.c.

                                                                     {
    rz_return_val_if_fail(desc && buf, -1);
    if (len < 0) {
        return -1;
    }
    // check pointers and pcache
    if (desc->io && (desc->io->p_cache & 2)) {
        return rz_io_desc_cache_write(desc,
            rz_io_desc_seek(desc, 0LL, RZ_IO_SEEK_CUR), buf, len);
    }
    return rz_io_plugin_write(desc, buf, len);
}

References desc, len, rz_io_desc_cache_write(), rz_io_desc_seek(), rz_io_plugin_write(), RZ_IO_SEEK_CUR, and rz_return_val_if_fail.

Referenced by rz_io_desc_write_at(), rz_io_fd_write(), and rz_io_open_buffer().

rz_io_desc_write_at()

RZ_API int rz_io_desc_write_at	(	RzIODesc *	desc,
		ut64	addr,
		const ut8 *	buf,
		int	len
	)

Definition at line 358 of file io_desc.c.

                                                                                   {
    if (desc && buf && (rz_io_desc_seek(desc, addr, RZ_IO_SEEK_SET) == addr)) {
        return rz_io_desc_write(desc, buf, len);
    }
    return 0;
}

References addr, desc, len, rz_io_desc_seek(), rz_io_desc_write(), and RZ_IO_SEEK_SET.

Referenced by dmp_write(), reopen_in_malloc_cb(), rz_io_fd_write_at(), rz_io_pwrite_at(), and rz_open_malloc_handler().