/* Functions to deal with the inferior being executed on GDB or GDBserver. Copyright (C) 2019-2021 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; }