2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2013 David Chisnall
7 * This software was developed by SRI International and the University of
8 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
9 * ("CTSRD"), as part of the DARPA CRASH research programme.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 push_string(byte_buffer &buffer, const string &s, bool escapes)
53 size_t length = s.size();
54 for (size_t i=0 ; i<length ; ++i)
57 if (escapes && c == '\\' && i+1 < length)
62 // For now, we just ignore invalid escape sequences.
91 int v = digittoint(c);
92 if (i+1 < length && s[i+1] <= '7' && s[i+1] >= '0')
95 v |= digittoint(s[i+1]);
97 if (i+1 < length && s[i+1] <= '7' && s[i+1] >= '0')
100 v |= digittoint(s[i+1]);
113 int v = digittoint(s[i]);
114 if (i+1 < length && ishexdigit(s[i+1]))
117 v |= digittoint(s[++i]);
130 dirbasename(std::function<char*(char*)> fn, const string &s)
136 std::unique_ptr<char, decltype(free)*> str = {strdup(s.c_str()), free};
137 string dn(fn(str.get()));
142 string dirname(const string &s)
144 return dirbasename(::dirname, s);
147 string basename(const string &s)
149 return dirbasename(::basename, s);