diff options
Diffstat (limited to 'lib/libnvpair/libnvpair_json.c')
| -rw-r--r-- | lib/libnvpair/libnvpair_json.c | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/lib/libnvpair/libnvpair_json.c b/lib/libnvpair/libnvpair_json.c deleted file mode 100644 index 6ed984698b59..000000000000 --- a/lib/libnvpair/libnvpair_json.c +++ /dev/null @@ -1,404 +0,0 @@ -// SPDX-License-Identifier: CDDL-1.0 -/* - * This file and its contents are supplied under the terms of the - * Common Development and Distribution License ("CDDL"), version 1.0. - * You may only use this file in accordance with the terms of version - * 1.0 of the CDDL. - * - * A full copy of the text of the CDDL should have accompanied this - * source. A copy of the CDDL is also available via the Internet at - * http://www.illumos.org/license/CDDL. - */ -/* - * Copyright (c) 2014, Joyent, Inc. - * Copyright (c) 2017 by Delphix. All rights reserved. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <wchar.h> -#include <sys/debug.h> - -#include "libnvpair.h" - -#define FPRINTF(fp, ...) \ - do { \ - if (fprintf(fp, __VA_ARGS__) < 0) \ - return (-1); \ - } while (0) - -/* - * When formatting a string for JSON output we must escape certain characters, - * as described in RFC4627. This applies to both member names and - * DATA_TYPE_STRING values. - * - * This function will only operate correctly if the following conditions are - * met: - * - * 1. The input String is encoded in the current locale. - * - * 2. The current locale includes the Basic Multilingual Plane (plane 0) - * as defined in the Unicode standard. - * - * The output will be entirely 7-bit ASCII (as a subset of UTF-8) with all - * representable Unicode characters included in their escaped numeric form. - */ -static int -nvlist_print_json_string(FILE *fp, const char *input) -{ - mbstate_t mbr = {0}; - wchar_t c; - size_t sz; - - FPRINTF(fp, "\""); - while ((sz = mbrtowc(&c, input, MB_CUR_MAX, &mbr)) > 0) { - if (sz == (size_t)-1 || sz == (size_t)-2) { - /* - * We last read an invalid multibyte character sequence, - * so return an error. - */ - return (-1); - } - switch (c) { - case '"': - FPRINTF(fp, "\\\""); - break; - case '\n': - FPRINTF(fp, "\\n"); - break; - case '\r': - FPRINTF(fp, "\\r"); - break; - case '\\': - FPRINTF(fp, "\\\\"); - break; - case '\f': - FPRINTF(fp, "\\f"); - break; - case '\t': - FPRINTF(fp, "\\t"); - break; - case '\b': - FPRINTF(fp, "\\b"); - break; - default: - if ((c >= 0x00 && c <= 0x1f) || - (c > 0x7f && c <= 0xffff)) { - /* - * Render both Control Characters and Unicode - * characters in the Basic Multilingual Plane - * as JSON-escaped multibyte characters. - */ - FPRINTF(fp, "\\u%04x", (int)(0xffff & c)); - } else if (c >= 0x20 && c <= 0x7f) { - /* - * Render other 7-bit ASCII characters directly - * and drop other, unrepresentable characters. - */ - FPRINTF(fp, "%c", (int)(0xff & c)); - } - break; - } - input += sz; - } - - FPRINTF(fp, "\""); - return (0); -} - -/* - * Dump a JSON-formatted representation of an nvlist to the provided FILE *. - * This routine does not output any new-lines or additional whitespace other - * than that contained in strings, nor does it call fflush(3C). - */ -int -nvlist_print_json(FILE *fp, nvlist_t *nvl) -{ - nvpair_t *curr; - boolean_t first = B_TRUE; - - FPRINTF(fp, "{"); - - for (curr = nvlist_next_nvpair(nvl, NULL); curr; - curr = nvlist_next_nvpair(nvl, curr)) { - data_type_t type = nvpair_type(curr); - - if (!first) - FPRINTF(fp, ","); - else - first = B_FALSE; - - if (nvlist_print_json_string(fp, nvpair_name(curr)) == -1) - return (-1); - FPRINTF(fp, ":"); - - switch (type) { - case DATA_TYPE_STRING: { - const char *string = fnvpair_value_string(curr); - if (nvlist_print_json_string(fp, string) == -1) - return (-1); - break; - } - - case DATA_TYPE_BOOLEAN: { - FPRINTF(fp, "true"); - break; - } - - case DATA_TYPE_BOOLEAN_VALUE: { - FPRINTF(fp, "%s", fnvpair_value_boolean_value(curr) == - B_TRUE ? "true" : "false"); - break; - } - - case DATA_TYPE_BYTE: { - FPRINTF(fp, "%hhu", fnvpair_value_byte(curr)); - break; - } - - case DATA_TYPE_INT8: { - FPRINTF(fp, "%hhd", fnvpair_value_int8(curr)); - break; - } - - case DATA_TYPE_UINT8: { - FPRINTF(fp, "%hhu", fnvpair_value_uint8(curr)); - break; - } - - case DATA_TYPE_INT16: { - FPRINTF(fp, "%hd", fnvpair_value_int16(curr)); - break; - } - - case DATA_TYPE_UINT16: { - FPRINTF(fp, "%hu", fnvpair_value_uint16(curr)); - break; - } - - case DATA_TYPE_INT32: { - FPRINTF(fp, "%d", fnvpair_value_int32(curr)); - break; - } - - case DATA_TYPE_UINT32: { - FPRINTF(fp, "%u", fnvpair_value_uint32(curr)); - break; - } - - case DATA_TYPE_INT64: { - FPRINTF(fp, "%lld", - (long long)fnvpair_value_int64(curr)); - break; - } - - case DATA_TYPE_UINT64: { - FPRINTF(fp, "%llu", - (unsigned long long)fnvpair_value_uint64(curr)); - break; - } - - case DATA_TYPE_HRTIME: { - hrtime_t val; - VERIFY0(nvpair_value_hrtime(curr, &val)); - FPRINTF(fp, "%llu", (unsigned long long)val); - break; - } - - case DATA_TYPE_DOUBLE: { - double val; - VERIFY0(nvpair_value_double(curr, &val)); - FPRINTF(fp, "%f", val); - break; - } - - case DATA_TYPE_NVLIST: { - if (nvlist_print_json(fp, - fnvpair_value_nvlist(curr)) == -1) - return (-1); - break; - } - - case DATA_TYPE_STRING_ARRAY: { - const char **val; - uint_t valsz, i; - VERIFY0(nvpair_value_string_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - if (nvlist_print_json_string(fp, val[i]) == -1) - return (-1); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_NVLIST_ARRAY: { - nvlist_t **val; - uint_t valsz, i; - VERIFY0(nvpair_value_nvlist_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - if (nvlist_print_json(fp, val[i]) == -1) - return (-1); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_BOOLEAN_ARRAY: { - boolean_t *val; - uint_t valsz, i; - VERIFY0(nvpair_value_boolean_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - FPRINTF(fp, val[i] == B_TRUE ? - "true" : "false"); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_BYTE_ARRAY: { - uchar_t *val; - uint_t valsz, i; - VERIFY0(nvpair_value_byte_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - FPRINTF(fp, "%hhu", val[i]); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_UINT8_ARRAY: { - uint8_t *val; - uint_t valsz, i; - VERIFY0(nvpair_value_uint8_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - FPRINTF(fp, "%hhu", val[i]); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_INT8_ARRAY: { - int8_t *val; - uint_t valsz, i; - VERIFY0(nvpair_value_int8_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - FPRINTF(fp, "%hhd", val[i]); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_UINT16_ARRAY: { - uint16_t *val; - uint_t valsz, i; - VERIFY0(nvpair_value_uint16_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - FPRINTF(fp, "%hu", val[i]); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_INT16_ARRAY: { - int16_t *val; - uint_t valsz, i; - VERIFY0(nvpair_value_int16_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - FPRINTF(fp, "%hd", val[i]); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_UINT32_ARRAY: { - uint32_t *val; - uint_t valsz, i; - VERIFY0(nvpair_value_uint32_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - FPRINTF(fp, "%u", val[i]); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_INT32_ARRAY: { - int32_t *val; - uint_t valsz, i; - VERIFY0(nvpair_value_int32_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - FPRINTF(fp, "%d", val[i]); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_UINT64_ARRAY: { - uint64_t *val; - uint_t valsz, i; - VERIFY0(nvpair_value_uint64_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - FPRINTF(fp, "%llu", - (unsigned long long)val[i]); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_INT64_ARRAY: { - int64_t *val; - uint_t valsz, i; - VERIFY0(nvpair_value_int64_array(curr, &val, &valsz)); - FPRINTF(fp, "["); - for (i = 0; i < valsz; i++) { - if (i > 0) - FPRINTF(fp, ","); - FPRINTF(fp, "%lld", (long long)val[i]); - } - FPRINTF(fp, "]"); - break; - } - - case DATA_TYPE_UNKNOWN: - case DATA_TYPE_DONTCARE: - return (-1); - } - - } - - FPRINTF(fp, "}"); - return (0); -} |