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 <fcntl.h>
18 #include <stdio.h>
19 #include <string.h>
20 #include <unistd.h>
21 
22 #include "test_create_utils.h"
23 
24 namespace android {
25 
readLine(FILE * inputFile,char * line,int size)26 int readLine(FILE *inputFile, char *line, int size) {
27     int ret = 0;
28     while (true) {
29         char *str = fgets(line, size, inputFile);
30         if (str == nullptr) {
31             ret = -1;
32             break;
33         }
34         if (feof(inputFile) != 0 || ferror(inputFile) != 0) {
35             ret = -1;
36             break;
37         }
38         if (strlen(str) != 0 && str[0] != COMMENT_CHAR) {
39             break;
40         }
41     }
42     return ret;
43 }
44 
checkVersion(FILE * inputFile,const char * version)45 bool checkVersion(FILE *inputFile, const char *version)
46 {
47     char line[MAX_INPUT_FILE_LINE_LENGTH];
48     char versionKey[MAX_INPUT_FILE_LINE_LENGTH];
49     char versionValue[MAX_INPUT_FILE_LINE_LENGTH];
50 
51     if (readLine(inputFile, line, MAX_INPUT_FILE_LINE_LENGTH) != 0) {
52         fprintf(stderr, "Missing version in input file\n");
53         return false;
54     }
55 
56     if (sscanf(line, " %s %s", versionKey, versionValue) != 2) {
57         fprintf(stderr, "Malformed version in input file\n");
58         return false;
59     }
60     if (strcmp(versionKey, VERSION_KEY) != 0) {
61         fprintf(stderr, "Malformed version in input file\n");
62         return false;
63     }
64     if (strcmp(versionValue, version) != 0) {
65         fprintf(stderr, "Wrong input file version %s expecting %s\n", versionValue, version);
66         return false;
67     }
68     return true;
69 }
70 
callback(int event __unused,void * user __unused,void * info __unused)71 void callback(int event __unused, void* user __unused, void *info __unused)
72 {
73 }
74 
main(int argc,char ** argv,test_func_t testFunc)75 int main(int argc, char **argv, test_func_t testFunc)
76 {
77     FILE *inputFile = nullptr;
78     int outputFileFd = STDOUT_FILENO;
79     mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
80     int ret = 0;
81 
82     if (argc > 5) {
83         fprintf(stderr, "Usage: %s [-i input_params.txt] [-o output_params.txt]\n", argv[0]);
84         return 1;
85     }
86 
87     argv++;
88     while (*argv) {
89         if (strcmp(*argv, "-i") == 0) {
90             argv++;
91             if (*argv) {
92                 inputFile = fopen(*argv, "r");
93                 if (inputFile == nullptr) {
94                     ret = 1;
95                 }
96             } else {
97                 ret = 1;
98             }
99         }
100         if (strcmp(*argv, "-o") == 0) {
101             argv++;
102             if (*argv) {
103                 outputFileFd = open(*argv, O_WRONLY|O_CREAT, mode);
104                 if (outputFileFd < 0) {
105                     ret = 1;
106                 }
107             } else {
108                 ret = 1;
109             }
110             argv++;
111         }
112         if (*argv) {
113             argv++;
114         }
115     }
116 
117     if (ret != 0) {
118         return ret;
119     }
120 
121     ret = testFunc(inputFile, outputFileFd);
122 
123     if (inputFile) {
124         fclose(inputFile);
125     }
126     if (outputFileFd >= 0 && outputFileFd != STDOUT_FILENO) {
127         close(outputFileFd);
128     }
129 
130     return ret;
131 }
132 
133 }; // namespace android
134 
135