R_API int r_core_dump(RCore *core, const char *file, ut64 addr, ut64 size) {
ut64 i;
ut8 *buf;
int bs = core->blocksize;
FILE *fd;
r_sys_truncate (file, 0);
fd = r_sandbox_fopen (file, "wb");
if (!fd) {
eprintf ("Cannot open '%s' for writing\n", file);
return R_FALSE;
}
buf = malloc (bs);
r_cons_break (NULL, NULL);
for (i=0; i<size; i+=bs) {
if (r_cons_singleton ()->breaked)
break;
if ((i+bs)>size)
bs = size-i;
r_io_read_at (core->io, addr+i, buf, bs);
if (fwrite (buf, bs, 1, fd) <1) {
eprintf ("write error\n");
break;
}
}
eprintf ("dumped 0x%"PFMT64x" bytes\n", i);
r_cons_break_end ();
fclose (fd);
free (buf);
return R_TRUE;
}
R_API bool r_core_dump(RCore *core, const char *file, ut64 addr, ut64 size, int append) {
ut64 i;
ut8 *buf;
int bs = core->blocksize;
FILE *fd;
if (append) {
fd = r_sandbox_fopen (file, "ab");
} else {
r_sys_truncate (file, 0);
fd = r_sandbox_fopen (file, "wb");
}
if (!fd) {
eprintf ("Cannot open '%s' for writing\n", file);
return false;
}
/* some io backends seems to be buggy in those cases */
if (bs > 4096) {
bs = 4096;
}
buf = malloc (bs);
if (!buf) {
eprintf ("Cannot alloc %d byte(s)\n", bs);
fclose (fd);
return false;
}
r_cons_break_push (NULL, NULL);
for (i = 0; i < size; i += bs) {
if (r_cons_is_breaked ()) {
break;
}
if ((i + bs) > size) {
bs = size - i;
}
r_io_read_at (core->io, addr + i, buf, bs);
if (fwrite (buf, bs, 1, fd) < 1) {
eprintf ("write error\n");
break;
}
}
r_cons_break_pop ();
fclose (fd);
free (buf);
return true;
}
