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80fd2826 TT |
1 | /* Functions to deal with the inferior being executed on GDB or |
2 | GDBserver. | |
3 | ||
b811d2c2 | 4 | Copyright (C) 2019-2020 Free Software Foundation, Inc. |
80fd2826 TT |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #include "gdbsupport/common-defs.h" | |
22 | #include "gdbsupport/common-inferior.h" | |
23 | ||
24 | /* See common-inferior.h. */ | |
25 | ||
26 | bool startup_with_shell = true; | |
92651b1d MW |
27 | |
28 | /* See common-inferior.h. */ | |
29 | ||
c699004a MW |
30 | std::string |
31 | construct_inferior_arguments (int argc, char * const *argv) | |
92651b1d | 32 | { |
c699004a | 33 | gdb_assert (argc >= 0); |
92651b1d | 34 | |
c699004a | 35 | std::string result; |
92651b1d MW |
36 | |
37 | if (startup_with_shell) | |
38 | { | |
39 | #ifdef __MINGW32__ | |
40 | /* This holds all the characters considered special to the | |
41 | Windows shells. */ | |
42 | static const char special[] = "\"!&*|[]{}<>?`~^=;, \t\n"; | |
43 | static const char quote = '"'; | |
44 | #else | |
45 | /* This holds all the characters considered special to the | |
46 | typical Unix shells. We include `^' because the SunOS | |
47 | /bin/sh treats it as a synonym for `|'. */ | |
48 | static const char special[] = "\"!#$&*()\\|[]{}<>?'`~^; \t\n"; | |
49 | static const char quote = '\''; | |
50 | #endif | |
c699004a | 51 | for (int i = 0; i < argc; ++i) |
92651b1d MW |
52 | { |
53 | if (i > 0) | |
c699004a | 54 | result += ' '; |
92651b1d MW |
55 | |
56 | /* Need to handle empty arguments specially. */ | |
57 | if (argv[i][0] == '\0') | |
58 | { | |
c699004a MW |
59 | result += quote; |
60 | result += quote; | |
92651b1d MW |
61 | } |
62 | else | |
63 | { | |
64 | #ifdef __MINGW32__ | |
c699004a | 65 | bool quoted = false; |
92651b1d MW |
66 | |
67 | if (strpbrk (argv[i], special)) | |
68 | { | |
c699004a MW |
69 | quoted = true; |
70 | result += quote; | |
92651b1d MW |
71 | } |
72 | #endif | |
c699004a | 73 | for (char *cp = argv[i]; *cp; ++cp) |
92651b1d MW |
74 | { |
75 | if (*cp == '\n') | |
76 | { | |
77 | /* A newline cannot be quoted with a backslash (it | |
78 | just disappears), only by putting it inside | |
79 | quotes. */ | |
c699004a MW |
80 | result += quote; |
81 | result += '\n'; | |
82 | result += quote; | |
92651b1d MW |
83 | } |
84 | else | |
85 | { | |
86 | #ifdef __MINGW32__ | |
87 | if (*cp == quote) | |
88 | #else | |
89 | if (strchr (special, *cp) != NULL) | |
90 | #endif | |
c699004a MW |
91 | result += '\\'; |
92 | result += *cp; | |
92651b1d MW |
93 | } |
94 | } | |
95 | #ifdef __MINGW32__ | |
96 | if (quoted) | |
c699004a | 97 | result += quote; |
92651b1d MW |
98 | #endif |
99 | } | |
100 | } | |
92651b1d MW |
101 | } |
102 | else | |
103 | { | |
104 | /* In this case we can't handle arguments that contain spaces, | |
105 | tabs, or newlines -- see breakup_args(). */ | |
c699004a | 106 | for (int i = 0; i < argc; ++i) |
92651b1d MW |
107 | { |
108 | char *cp = strchr (argv[i], ' '); | |
109 | if (cp == NULL) | |
110 | cp = strchr (argv[i], '\t'); | |
111 | if (cp == NULL) | |
112 | cp = strchr (argv[i], '\n'); | |
113 | if (cp != NULL) | |
114 | error (_("can't handle command-line " | |
115 | "argument containing whitespace")); | |
92651b1d MW |
116 | } |
117 | ||
c699004a | 118 | for (int i = 0; i < argc; ++i) |
92651b1d MW |
119 | { |
120 | if (i > 0) | |
c699004a MW |
121 | result += " "; |
122 | result += argv[i]; | |
92651b1d MW |
123 | } |
124 | } | |
125 | ||
126 | return result; | |
127 | } |