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