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/* Functions to deal with the inferior being executed on GDB or
GDBserver.
Copyright (C) 2019-2023 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "gdbsupport/common-defs.h"
#include "gdbsupport/common-inferior.h"
/* See common-inferior.h. */
bool startup_with_shell = true;
/* See common-inferior.h. */
std::string
construct_inferior_arguments (gdb::array_view<char *const> argv)
{
std::string result;
if (startup_with_shell)
{
#ifdef __MINGW32__
/* This holds all the characters considered special to the
Windows shells. */
static const char special[] = "\"!&*|[]{}<>?`~^=;, \t\n";
static const char quote = '"';
#else
/* This holds all the characters considered special to the
typical Unix shells. We include `^' because the SunOS
/bin/sh treats it as a synonym for `|'. */
static const char special[] = "\"!#$&*()\\|[]{}<>?'`~^; \t\n";
static const char quote = '\'';
#endif
for (int i = 0; i < argv.size (); ++i)
{
if (i > 0)
result += ' ';
/* Need to handle empty arguments specially. */
if (argv[i][0] == '\0')
{
result += quote;
result += quote;
}
else
{
#ifdef __MINGW32__
bool quoted = false;
if (strpbrk (argv[i], special))
{
quoted = true;
result += quote;
}
#endif
for (char *cp = argv[i]; *cp; ++cp)
{
if (*cp == '\n')
{
/* A newline cannot be quoted with a backslash (it
just disappears), only by putting it inside
quotes. */
result += quote;
result += '\n';
result += quote;
}
else
{
#ifdef __MINGW32__
if (*cp == quote)
#else
if (strchr (special, *cp) != NULL)
#endif
result += '\\';
result += *cp;
}
}
#ifdef __MINGW32__
if (quoted)
result += quote;
#endif
}
}
}
else
{
/* In this case we can't handle arguments that contain spaces,
tabs, or newlines -- see breakup_args(). */
for (char *arg : argv)
{
char *cp = strchr (arg, ' ');
if (cp == NULL)
cp = strchr (arg, '\t');
if (cp == NULL)
cp = strchr (arg, '\n');
if (cp != NULL)
error (_ ("can't handle command-line "
"argument containing whitespace"));
}
for (int i = 0; i < argv.size (); ++i)
{
if (i > 0)
result += " ";
result += argv[i];
}
}
return result;
}
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