/usr/src/openvswitch-1.4.0/tests/test-json.c is in openvswitch-datapath-dkms 1.4.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | /*
* Copyright (c) 2009, 2010 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#include "json.h"
#include <ctype.h>
#include <errno.h>
#include <getopt.h>
#include <stdio.h>
#include "util.h"
/* --pretty: If set, the JSON output is pretty-printed, instead of printed as
* compactly as possible. */
static int pretty = 0;
/* --multiple: If set, the input is a sequence of JSON objects or arrays,
* instead of exactly one object or array. */
static int multiple = 0;
static bool
print_and_free_json(struct json *json)
{
bool ok;
if (json->type == JSON_STRING) {
printf("error: %s\n", json->u.string);
ok = false;
} else {
char *s = json_to_string(json, JSSF_SORT | (pretty ? JSSF_PRETTY : 0));
puts(s);
free(s);
ok = true;
}
json_destroy(json);
return ok;
}
static bool
refill(FILE *file, void *buffer, size_t buffer_size, size_t *n, size_t *used)
{
*used = 0;
if (feof(file)) {
*n = 0;
return false;
} else {
*n = fread(buffer, 1, buffer_size, file);
if (ferror(file)) {
ovs_fatal(errno, "Error reading input file");
}
return *n > 0;
}
}
static bool
parse_multiple(FILE *stream)
{
struct json_parser *parser;
char buffer[BUFSIZ];
size_t n, used;
bool ok;
parser = NULL;
n = used = 0;
ok = true;
while (used < n || refill(stream, buffer, sizeof buffer, &n, &used)) {
if (!parser && isspace((unsigned char) buffer[used])) {
/* Skip white space. */
used++;
} else {
if (!parser) {
parser = json_parser_create(0);
}
used += json_parser_feed(parser, &buffer[used], n - used);
if (used < n) {
if (!print_and_free_json(json_parser_finish(parser))) {
ok = false;
}
parser = NULL;
}
}
}
if (parser) {
if (!print_and_free_json(json_parser_finish(parser))) {
ok = false;
}
}
return ok;
}
int
main(int argc, char *argv[])
{
const char *input_file;
FILE *stream;
bool ok;
set_program_name(argv[0]);
for (;;) {
static const struct option options[] = {
{"pretty", no_argument, &pretty, 1},
{"multiple", no_argument, &multiple, 1},
};
int option_index = 0;
int c = getopt_long (argc, argv, "", options, &option_index);
if (c == -1) {
break;
}
switch (c) {
case 0:
break;
case '?':
exit(1);
default:
abort();
}
}
if (argc - optind != 1) {
ovs_fatal(0, "usage: %s [--pretty] [--multiple] INPUT.json",
program_name);
}
input_file = argv[optind];
stream = !strcmp(input_file, "-") ? stdin : fopen(input_file, "r");
if (!stream) {
ovs_fatal(errno, "Cannot open \"%s\"", input_file);
}
if (multiple) {
ok = parse_multiple(stream);
} else {
ok = print_and_free_json(json_from_stream(stream));
}
fclose(stream);
return !ok;
}
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