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-rw-r--r--toolbox/Android.bp9
-rw-r--r--toolbox/getprop.cpp126
2 files changed, 1 insertions, 134 deletions
diff --git a/toolbox/Android.bp b/toolbox/Android.bp
index de8324af3..b5d16b80f 100644
--- a/toolbox/Android.bp
+++ b/toolbox/Android.bp
@@ -34,7 +34,7 @@ cc_library_static {
34 34
35genrule { 35genrule {
36 name: "toolbox_tools", 36 name: "toolbox_tools",
37 cmd: "echo '/* file generated automatically */' >$(out) && for t in toolbox dd getevent newfs_msdos getprop; do echo \"TOOL($$t)\" >>$(out); done", 37 cmd: "echo '/* file generated automatically */' >$(out) && for t in toolbox dd getevent newfs_msdos; do echo \"TOOL($$t)\" >>$(out); done",
38 out: ["tools.h"], 38 out: ["tools.h"],
39} 39}
40 40
@@ -52,7 +52,6 @@ cc_binary {
52 srcs: [ 52 srcs: [
53 "toolbox.c", 53 "toolbox.c",
54 "getevent.c", 54 "getevent.c",
55 "getprop.cpp",
56 "newfs_msdos.c", 55 "newfs_msdos.c",
57 ], 56 ],
58 generated_headers: [ 57 generated_headers: [
@@ -61,18 +60,12 @@ cc_binary {
61 ], 60 ],
62 whole_static_libs: ["libtoolbox_dd"], 61 whole_static_libs: ["libtoolbox_dd"],
63 shared_libs: [ 62 shared_libs: [
64 "libbase",
65 "libcutils", 63 "libcutils",
66 ], 64 ],
67 static_libs: [
68 "libpropertyinfoparser",
69 ],
70 cpp_std: "gnu++1z",
71 65
72 symlinks: [ 66 symlinks: [
73 "dd", 67 "dd",
74 "getevent", 68 "getevent",
75 "getprop",
76 "newfs_msdos", 69 "newfs_msdos",
77 ], 70 ],
78} 71}
diff --git a/toolbox/getprop.cpp b/toolbox/getprop.cpp
deleted file mode 100644
index 7818ff222..000000000
--- a/toolbox/getprop.cpp
+++ /dev/null
@@ -1,126 +0,0 @@
1//
2// Copyright (C) 2017 The Android Open Source Project
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8// http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15//
16
17#include <getopt.h>
18#include <sys/system_properties.h>
19
20#include <iostream>
21#include <string>
22#include <vector>
23
24#include <android-base/properties.h>
25#include <property_info_parser/property_info_parser.h>
26
27using android::base::GetProperty;
28using android::properties::PropertyInfoAreaFile;
29
30PropertyInfoAreaFile property_info_file;
31
32void PrintAllProperties(bool print_property_context) {
33 std::vector<std::pair<std::string, std::string>> properties;
34 __system_property_foreach(
35 [](const prop_info* pi, void* cookie) {
36 __system_property_read_callback(
37 pi,
38 [](void* cookie, const char* name, const char* value, unsigned) {
39 auto properties =
40 reinterpret_cast<std::vector<std::pair<std::string, std::string>>*>(cookie);
41 properties->emplace_back(name, value);
42 },
43 cookie);
44 },
45 &properties);
46
47 std::sort(properties.begin(), properties.end());
48
49 if (print_property_context) {
50 for (auto& [name, value] : properties) {
51 const char* context = nullptr;
52 property_info_file->GetPropertyInfo(name.c_str(), &context, nullptr);
53 value = context;
54 }
55 }
56
57 for (const auto& [name, value] : properties) {
58 std::cout << "[" << name << "]: [" << value << "]" << std::endl;
59 }
60}
61
62void PrintProperty(const char* name, const char* default_value, bool print_property_context) {
63 if (print_property_context) {
64 const char* context = nullptr;
65 property_info_file->GetPropertyInfo(name, &context, nullptr);
66 std::cout << context << std::endl;
67 } else {
68 std::cout << GetProperty(name, default_value) << std::endl;
69 }
70}
71
72extern "C" int getprop_main(int argc, char** argv) {
73 bool print_property_context = false;
74
75 while (true) {
76 static const struct option long_options[] = {
77 {"help", no_argument, nullptr, 'h'},
78 {nullptr, 0, nullptr, 0},
79 };
80
81 int arg = getopt_long(argc, argv, "Z", long_options, nullptr);
82
83 if (arg == -1) {
84 break;
85 }
86
87 switch (arg) {
88 case 'h':
89 std::cout << "usage: getprop [-Z] [NAME [DEFAULT]]\n\n"
90 "Gets an Android system property, or lists them all.\n"
91 "Use -Z to return the property context instead of the property value\n"
92 << std::endl;
93 return 0;
94 case 'Z':
95 print_property_context = true;
96 break;
97 case '?':
98 return -1;
99 default:
100 std::cerr << "getprop: getopt returned invalid result: " << arg << std::endl;
101 return -1;
102 }
103 }
104
105 if (print_property_context) {
106 property_info_file.LoadDefaultPath();
107 if (!property_info_file) {
108 std::cerr << "Unable to load property info file" << std::endl;
109 return -1;
110 }
111 }
112
113 if (optind >= argc) {
114 PrintAllProperties(print_property_context);
115 return 0;
116 }
117
118 if (optind < argc - 2) {
119 std::cerr << "getprop: Max 2 arguments (see \"getprop --help\")" << std::endl;
120 return -1;
121 }
122
123 PrintProperty(argv[optind], (optind == argc - 1) ? "" : argv[optind + 1], print_property_context);
124
125 return 0;
126}