59  * in a post-processing phase.
63  * of metadata JSON values that can be used by a JSON-to-CBOR converter to
77  * These functions also perform UTF-8 validation in CBOR text strings. If they
78  * encounter a sequence of bytes that not permitted in UTF-8, they will return
80  * in UTF-8.
99  * double-precision floating point. This means JSON is not capable of
100  * representing integers numbers outside the range [-(2<sup>53</sup>)+1,
101  * 2<sup>53</sup>-1] and is not capable of representing NaN or infinite. If the
104  * conversion will be "null". In addition, the distinction between half-,
105  * single- and double-precision is lost.
110  * \par Non-native types:
132  * \par Non-string keys in maps:
134  * default, if a non-string key is found, the conversion fails with error
145  * active, it is possible that a non-string key in a CBOR map will be converted
149  * When metadata support is active, the conversion will add extra key-value
191     err = cbor_value_copy_byte_string(it, buffer + n - 1, &n, it);  in dump_bytestring_base16()
216      * so we can do an in-place conversion while iterating forwards */  in generic_dump_base64()
217     in = buffer + len - n;  in generic_dump_base64()
225     for (i = 0; n - i >= 3; i += 3) {  in generic_dump_base64()
230             __builtin_memcpy(&val, in + i - 1, sizeof(val));  in generic_dump_base64()
245     if (n - i) {  in generic_dump_base64()
260         if (n - i == 2) {  in generic_dump_base64()
285                                    "ghijklmn" "opqrstuv" "wxyz0123" "456789-_";  in dump_bytestring_base64url()
291     int flags = status->flags;  in add_value_metadata()
297         if (fprintf(out, "\"tag\":\"%" PRIu64 "\"%s", status->lastTag,  in add_value_metadata()
313         if (fprintf(out, ",\"v\":\"%sinf\"", flags & NumberWasNegative ? "-" : "") < 0)  in add_value_metadata()
316         if (fprintf(out, ",\"v\":\"%c%" PRIx64 "\"", flags & NumberWasNegative ? '-' : '+',  in add_value_metadata()
317                     status->originalNumber) < 0)  in add_value_metadata()
320         if (fprintf(out, ",\"v\":%d", (int)status->originalNumber) < 0)  in add_value_metadata()
358         if (flags & CborConvertAddMetadata && status->flags) {  in tagged_value_to_json()
366         status->flags = TypeWasNotNative | CborTagType;  in tagged_value_to_json()
371     err = find_tagged_type(it, &status->lastTag, &type);  in tagged_value_to_json()
374     tag = status->lastTag;  in tagged_value_to_json()
394         status->flags = TypeWasNotNative | TypeWasTagged | CborByteStringType;  in tagged_value_to_json()
400     status->flags |= TypeWasTagged | type;  in tagged_value_to_json()
477             if (!err && status->flags) {  in map_to_json()
495     status->flags = 0;  in value_to_json()
504             it->offset = recursed.offset;  in value_to_json()
514             it->offset = recursed.offset;  in value_to_json()
524         status->flags = 0;    /* reset, there are never conversion errors for us */  in value_to_json()
535             num = -num - 1;                     /* convert to negative */  in value_to_json()
536             if ((uint64_t)(-num - 1) != val) {  in value_to_json()
537                 status->flags = NumberPrecisionWasLost | NumberWasNegative;  in value_to_json()
538                 status->originalNumber = val;  in value_to_json()
542                 status->flags = NumberPrecisionWasLost;  in value_to_json()
543                 status->originalNumber = val;  in value_to_json()
556             status->flags = TypeWasNotNative;  in value_to_json()
574         status->flags = TypeWasNotNative;  in value_to_json()
575         status->originalNumber = simple_type;  in value_to_json()
587         status->flags = TypeWasNotNative;  in value_to_json()
605             status->flags = TypeWasNotNative;  in value_to_json()
612             status->flags = TypeWasNotNative;  in value_to_json()
624             status->flags |= r == FP_NAN ? NumberWasNaN :  in value_to_json()
630                 r = fprintf(out, "%s%" PRIu64, val < 0 ? "-" : "", ival);  in value_to_json()
631                 status->flags |= TypeWasNotNative;   /* mark this integer number as a double */  in value_to_json()
633                 /* this number is definitely not a 64-bit integer */  in value_to_json()
634                 r = fprintf(out, "%." DBL_DECIMAL_DIG_STR "g", val);  in value_to_json()
662  * \value CborConvertStringifyMapKeys   Convert non-string keys in CBOR maps to a string form