83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
/*
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* Copyright (c) 2009-2016 Petri Lehtinen <petri@digip.org>
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*
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* Jansson is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include "util.h"
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#include <jansson.h>
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#include <stdlib.h>
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#include <string.h>
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struct my_sink {
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char *buf;
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size_t off;
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size_t cap;
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};
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static int my_writer(const char *buffer, size_t len, void *data) {
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struct my_sink *s = data;
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if (len > s->cap - s->off) {
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return -1;
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}
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memcpy(s->buf + s->off, buffer, len);
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s->off += len;
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return 0;
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}
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static void run_tests() {
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struct my_sink s;
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json_t *json;
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const char str[] = "[\"A\", {\"B\": \"C\", \"e\": false}, 1, null, \"foo\"]";
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char *dumped_to_string;
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json = json_loads(str, 0, NULL);
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if (!json) {
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fail("json_loads failed");
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}
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dumped_to_string = json_dumps(json, 0);
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if (!dumped_to_string) {
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json_decref(json);
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fail("json_dumps failed");
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}
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s.off = 0;
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s.cap = strlen(dumped_to_string);
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s.buf = malloc(s.cap);
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if (!s.buf) {
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json_decref(json);
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free(dumped_to_string);
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fail("malloc failed");
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}
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if (json_dump_callback(json, my_writer, &s, 0) == -1) {
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json_decref(json);
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free(dumped_to_string);
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free(s.buf);
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fail("json_dump_callback failed on an exact-length sink buffer");
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}
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if (strncmp(dumped_to_string, s.buf, s.off) != 0) {
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json_decref(json);
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free(dumped_to_string);
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free(s.buf);
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fail("json_dump_callback and json_dumps did not produce identical "
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"output");
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}
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s.off = 1;
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if (json_dump_callback(json, my_writer, &s, 0) != -1) {
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json_decref(json);
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free(dumped_to_string);
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free(s.buf);
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fail("json_dump_callback succeeded on a short buffer when it should "
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"have failed");
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}
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json_decref(json);
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free(dumped_to_string);
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free(s.buf);
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}
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