#include "strerror_override.h"
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#include "strerror_override_private.h"
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#ifdef WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <io.h>
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#include <windows.h>
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#endif /* defined(WIN32) */
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#include <fcntl.h>
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#include <limits.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#include <assert.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "json.h"
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#include "json_util.h"
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#include "snprintf_compat.h"
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static void test_read_valid_with_fd(const char *testdir);
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static void test_read_valid_nested_with_fd(const char *testdir);
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static void test_read_nonexistant(void);
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static void test_read_closed(void);
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static void test_write_to_file(void);
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static void stat_and_cat(const char *file);
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static void test_read_fd_equal(const char *testdir);
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#ifndef PATH_MAX
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#define PATH_MAX 256
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#endif
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static void test_write_to_file()
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{
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json_object *jso;
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jso = json_tokener_parse("{"
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"\"foo\":1234,"
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"\"foo1\":\"abcdefghijklmnopqrstuvwxyz\","
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"\"foo2\":\"abcdefghijklmnopqrstuvwxyz\","
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"\"foo3\":\"abcdefghijklmnopqrstuvwxyz\","
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"\"foo4\":\"abcdefghijklmnopqrstuvwxyz\","
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"\"foo5\":\"abcdefghijklmnopqrstuvwxyz\","
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"\"foo6\":\"abcdefghijklmnopqrstuvwxyz\","
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"\"foo7\":\"abcdefghijklmnopqrstuvwxyz\","
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"\"foo8\":\"abcdefghijklmnopqrstuvwxyz\","
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"\"foo9\":\"abcdefghijklmnopqrstuvwxyz\""
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"}");
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const char *outfile = "json.out";
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int rv = json_object_to_file(outfile, jso);
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printf("%s: json_object_to_file(%s, jso)=%d\n", (rv == 0) ? "OK" : "FAIL", outfile, rv);
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if (rv == 0)
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stat_and_cat(outfile);
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putchar('\n');
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const char *outfile2 = "json2.out";
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rv = json_object_to_file_ext(outfile2, jso, JSON_C_TO_STRING_PRETTY);
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printf("%s: json_object_to_file_ext(%s, jso, JSON_C_TO_STRING_PRETTY)=%d\n",
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(rv == 0) ? "OK" : "FAIL", outfile2, rv);
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if (rv == 0)
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stat_and_cat(outfile2);
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const char *outfile3 = "json3.out";
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int d = open(outfile3, O_WRONLY | O_CREAT, 0600);
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if (d < 0)
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{
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printf("FAIL: unable to open %s %s\n", outfile3, strerror(errno));
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return;
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}
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rv = json_object_to_fd(d, jso, JSON_C_TO_STRING_PRETTY);
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printf("%s: json_object_to_fd(%s, jso, JSON_C_TO_STRING_PRETTY)=%d\n",
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(rv == 0) ? "OK" : "FAIL", outfile3, rv);
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// Write the same object twice
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rv = json_object_to_fd(d, jso, JSON_C_TO_STRING_PLAIN);
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printf("%s: json_object_to_fd(%s, jso, JSON_C_TO_STRING_PLAIN)=%d\n",
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(rv == 0) ? "OK" : "FAIL", outfile3, rv);
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close(d);
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if (rv == 0)
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stat_and_cat(outfile3);
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json_object_put(jso);
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}
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static void stat_and_cat(const char *file)
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{
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struct stat sb;
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int d = open(file, O_RDONLY, 0600);
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if (d < 0)
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{
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printf("FAIL: unable to open %s: %s\n", file, strerror(errno));
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return;
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}
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if (fstat(d, &sb) < 0)
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{
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printf("FAIL: unable to stat %s: %s\n", file, strerror(errno));
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close(d);
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return;
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}
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char *buf = malloc(sb.st_size + 1);
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if (!buf)
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{
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printf("FAIL: unable to allocate memory\n");
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close(d);
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return;
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}
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if (read(d, buf, sb.st_size) < sb.st_size)
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{
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printf("FAIL: unable to read all of %s: %s\n", file, strerror(errno));
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free(buf);
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close(d);
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return;
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}
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buf[sb.st_size] = '\0';
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printf("file[%s], size=%d, contents=%s\n", file, (int)sb.st_size, buf);
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free(buf);
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close(d);
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}
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int main(int argc, char **argv)
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{
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// json_object_to_file(file, obj);
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// json_object_to_file_ext(file, obj, flags);
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const char *testdir;
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if (argc < 2)
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{
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fprintf(stderr,
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"Usage: %s <testdir>\n"
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" <testdir> is the location of input files\n",
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argv[0]);
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return EXIT_FAILURE;
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}
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testdir = argv[1];
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// Test json_c_version.c
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if (strncmp(json_c_version(), JSON_C_VERSION, sizeof(JSON_C_VERSION)))
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{
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printf("FAIL: Output from json_c_version(): %s "
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"does not match %s",
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json_c_version(), JSON_C_VERSION);
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return EXIT_FAILURE;
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}
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if (json_c_version_num() != JSON_C_VERSION_NUM)
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{
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printf("FAIL: Output from json_c_version_num(): %d "
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"does not match %d",
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json_c_version_num(), JSON_C_VERSION_NUM);
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return EXIT_FAILURE;
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}
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test_read_valid_with_fd(testdir);
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test_read_valid_nested_with_fd(testdir);
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test_read_nonexistant();
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test_read_closed();
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test_write_to_file();
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test_read_fd_equal(testdir);
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return EXIT_SUCCESS;
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}
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static void test_read_valid_with_fd(const char *testdir)
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{
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char filename[PATH_MAX];
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(void)snprintf(filename, sizeof(filename), "%s/valid.json", testdir);
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int d = open(filename, O_RDONLY, 0);
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if (d < 0)
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{
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fprintf(stderr, "FAIL: unable to open %s: %s\n", filename, strerror(errno));
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exit(EXIT_FAILURE);
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}
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json_object *jso = json_object_from_fd(d);
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if (jso != NULL)
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{
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printf("OK: json_object_from_fd(valid.json)=%s\n", json_object_to_json_string(jso));
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json_object_put(jso);
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}
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else
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{
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fprintf(stderr, "FAIL: unable to parse contents of %s: %s\n", filename,
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json_util_get_last_err());
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}
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close(d);
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}
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static void test_read_valid_nested_with_fd(const char *testdir)
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{
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char filename[PATH_MAX];
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(void)snprintf(filename, sizeof(filename), "%s/valid_nested.json", testdir);
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int d = open(filename, O_RDONLY, 0);
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if (d < 0)
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{
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fprintf(stderr, "FAIL: unable to open %s: %s\n", filename, strerror(errno));
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exit(EXIT_FAILURE);
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}
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assert(NULL == json_object_from_fd_ex(d, -2));
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json_object *jso = json_object_from_fd_ex(d, 20);
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if (jso != NULL)
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{
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printf("OK: json_object_from_fd_ex(valid_nested.json, 20)=%s\n",
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json_object_to_json_string(jso));
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json_object_put(jso);
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}
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else
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{
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fprintf(stderr, "FAIL: unable to parse contents of %s: %s\n", filename,
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json_util_get_last_err());
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}
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(void)lseek(d, SEEK_SET, 0);
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jso = json_object_from_fd_ex(d, 3);
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if (jso != NULL)
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{
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printf("FAIL: json_object_from_fd_ex(%s, 3)=%s\n", filename,
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json_object_to_json_string(jso));
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json_object_put(jso);
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}
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else
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{
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printf("OK: correctly unable to parse contents of valid_nested.json with low max "
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"depth: %s\n",
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json_util_get_last_err());
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}
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close(d);
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}
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static void test_read_nonexistant()
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{
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const char *filename = "./not_present.json";
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json_object *jso = json_object_from_file(filename);
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if (jso != NULL)
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{
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printf("FAIL: json_object_from_file(%s) returned %p when NULL expected\n", filename,
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(void *)jso);
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json_object_put(jso);
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}
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else
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{
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printf("OK: json_object_from_file(%s) correctly returned NULL: %s\n", filename,
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json_util_get_last_err());
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}
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}
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static void test_read_closed()
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{
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// Test reading from a closed fd
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int d = open("/dev/null", O_RDONLY, 0);
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if (d < 0)
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{
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puts("FAIL: unable to open");
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}
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// Copy over to a fixed fd number so test output is consistent.
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int fixed_d = 10;
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if (dup2(d, fixed_d) < 0)
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{
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printf("FAIL: unable to dup to fd %d", fixed_d);
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}
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close(d);
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close(fixed_d);
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json_object *jso = json_object_from_fd(fixed_d);
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if (jso != NULL)
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{
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printf("FAIL: read from closed fd returning non-NULL: %p\n", (void *)jso);
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fflush(stdout);
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printf(" jso=%s\n", json_object_to_json_string(jso));
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json_object_put(jso);
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return;
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}
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printf("OK: json_object_from_fd(closed_fd), "
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"expecting NULL, EBADF, got:NULL, %s\n",
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json_util_get_last_err());
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}
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static void test_read_fd_equal(const char *testdir)
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{
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char filename[PATH_MAX];
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(void)snprintf(filename, sizeof(filename), "%s/valid_nested.json", testdir);
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json_object *jso = json_object_from_file(filename);
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int d = open(filename, O_RDONLY, 0);
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if (d < 0)
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{
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fprintf(stderr, "FAIL: unable to open %s: %s\n", filename, strerror(errno));
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exit(EXIT_FAILURE);
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}
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json_object *new_jso = json_object_from_fd(d);
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close(d);
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printf("OK: json_object_from_file(valid.json)=%s\n", json_object_to_json_string(jso));
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printf("OK: json_object_from_fd(valid.json)=%s\n", json_object_to_json_string(new_jso));
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json_object_put(jso);
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json_object_put(new_jso);
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}
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