2013-01-22 17:49:51 +00:00
|
|
|
/*-
|
2017-11-27 15:37:16 +00:00
|
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
|
|
*
|
2013-01-22 17:49:51 +00:00
|
|
|
* Copyright (c) 2013 David Chisnall
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* This software was developed by SRI International and the University of
|
|
|
|
* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
|
|
|
|
* ("CTSRD"), as part of the DARPA CRASH research programme.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
* are met:
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
*
|
|
|
|
* $FreeBSD$
|
|
|
|
*/
|
|
|
|
|
2016-10-07 12:57:35 +00:00
|
|
|
#include <string>
|
2017-04-17 17:23:19 +00:00
|
|
|
#include <functional>
|
2016-10-07 12:57:35 +00:00
|
|
|
#include <cstdio>
|
|
|
|
#include <cstdlib>
|
2013-01-23 08:54:34 +00:00
|
|
|
#include <ctype.h>
|
2016-10-07 12:57:35 +00:00
|
|
|
#include <libgen.h>
|
2013-01-22 17:49:51 +00:00
|
|
|
|
2016-10-07 12:57:35 +00:00
|
|
|
#include "util.hh"
|
2013-01-22 17:49:51 +00:00
|
|
|
|
2016-10-07 12:57:35 +00:00
|
|
|
using std::string;
|
2013-01-22 17:49:51 +00:00
|
|
|
|
|
|
|
namespace dtc
|
|
|
|
{
|
|
|
|
|
|
|
|
void
|
2016-10-07 12:57:35 +00:00
|
|
|
push_string(byte_buffer &buffer, const string &s, bool escapes)
|
2013-01-22 17:49:51 +00:00
|
|
|
{
|
2016-10-07 12:57:35 +00:00
|
|
|
size_t length = s.size();
|
|
|
|
for (size_t i=0 ; i<length ; ++i)
|
2013-01-22 17:49:51 +00:00
|
|
|
{
|
2016-10-07 12:57:35 +00:00
|
|
|
uint8_t c = s[i];
|
2013-01-22 17:49:51 +00:00
|
|
|
if (escapes && c == '\\' && i+1 < length)
|
|
|
|
{
|
2016-10-07 12:57:35 +00:00
|
|
|
c = s[++i];
|
2013-01-22 17:49:51 +00:00
|
|
|
switch (c)
|
|
|
|
{
|
|
|
|
// For now, we just ignore invalid escape sequences.
|
|
|
|
default:
|
|
|
|
case '"':
|
|
|
|
case '\'':
|
|
|
|
case '\\':
|
|
|
|
break;
|
|
|
|
case 'a':
|
|
|
|
c = '\a';
|
|
|
|
break;
|
|
|
|
case 'b':
|
|
|
|
c = '\b';
|
|
|
|
break;
|
|
|
|
case 't':
|
|
|
|
c = '\t';
|
|
|
|
break;
|
|
|
|
case 'n':
|
|
|
|
c = '\n';
|
|
|
|
break;
|
|
|
|
case 'v':
|
|
|
|
c = '\v';
|
|
|
|
break;
|
|
|
|
case 'f':
|
|
|
|
c = '\f';
|
|
|
|
break;
|
|
|
|
case 'r':
|
|
|
|
c = '\r';
|
|
|
|
break;
|
|
|
|
case '0'...'7':
|
|
|
|
{
|
|
|
|
int v = digittoint(c);
|
2016-10-07 12:57:35 +00:00
|
|
|
if (i+1 < length && s[i+1] <= '7' && s[i+1] >= '0')
|
2013-01-22 17:49:51 +00:00
|
|
|
{
|
|
|
|
v <<= 3;
|
2016-10-07 12:57:35 +00:00
|
|
|
v |= digittoint(s[i+1]);
|
2013-01-22 17:49:51 +00:00
|
|
|
i++;
|
2016-10-07 12:57:35 +00:00
|
|
|
if (i+1 < length && s[i+1] <= '7' && s[i+1] >= '0')
|
2013-01-22 17:49:51 +00:00
|
|
|
{
|
|
|
|
v <<= 3;
|
2016-10-07 12:57:35 +00:00
|
|
|
v |= digittoint(s[i+1]);
|
2013-01-22 17:49:51 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
c = (uint8_t)v;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case 'x':
|
|
|
|
{
|
|
|
|
++i;
|
|
|
|
if (i >= length)
|
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
2016-10-07 12:57:35 +00:00
|
|
|
int v = digittoint(s[i]);
|
|
|
|
if (i+1 < length && ishexdigit(s[i+1]))
|
2013-01-22 17:49:51 +00:00
|
|
|
{
|
|
|
|
v <<= 4;
|
2016-10-07 12:57:35 +00:00
|
|
|
v |= digittoint(s[++i]);
|
2013-01-22 17:49:51 +00:00
|
|
|
}
|
|
|
|
c = (uint8_t)v;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
buffer.push_back(c);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-04-17 17:23:19 +00:00
|
|
|
namespace {
|
|
|
|
string
|
|
|
|
dirbasename(std::function<char*(char*)> fn, const string &s)
|
2013-01-22 17:49:51 +00:00
|
|
|
{
|
2016-10-07 12:57:35 +00:00
|
|
|
if (s == string())
|
|
|
|
{
|
|
|
|
return string();
|
|
|
|
}
|
2017-04-17 17:23:19 +00:00
|
|
|
std::unique_ptr<char, decltype(free)*> str = {strdup(s.c_str()), free};
|
|
|
|
string dn(fn(str.get()));
|
2016-10-07 12:57:35 +00:00
|
|
|
return dn;
|
2013-01-22 17:49:51 +00:00
|
|
|
}
|
2017-04-17 17:23:19 +00:00
|
|
|
}
|
2013-01-22 17:49:51 +00:00
|
|
|
|
2017-04-17 17:23:19 +00:00
|
|
|
string dirname(const string &s)
|
2013-01-22 17:49:51 +00:00
|
|
|
{
|
2017-04-17 17:23:19 +00:00
|
|
|
return dirbasename(::dirname, s);
|
|
|
|
}
|
|
|
|
|
|
|
|
string basename(const string &s)
|
|
|
|
{
|
|
|
|
return dirbasename(::basename, s);
|
2013-01-22 17:49:51 +00:00
|
|
|
}
|
|
|
|
} // namespace dtc
|
|
|
|
|