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// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include "upb/wire/reader.h"
#include "upb/wire/eps_copy_input_stream.h"
#include "upb/wire/types.h"
// Must be last.
#include "upb/port/def.inc"
UPB_NOINLINE _upb_WireReader_ReadLongVarintRet
_upb_WireReader_ReadLongVarint(const char* ptr, uint64_t val) {
_upb_WireReader_ReadLongVarintRet ret = {NULL, 0};
uint64_t byte;
int i;
for (i = 1; i < 10; i++) {
byte = (uint8_t)ptr[i];
val += (byte - 1) << (i * 7);
if (!(byte & 0x80)) {
ret.ptr = ptr + i + 1;
ret.val = val;
return ret;
}
}
return ret;
}
const char* _upb_WireReader_SkipGroup(const char* ptr, uint32_t tag,
int depth_limit,
upb_EpsCopyInputStream* stream) {
if (--depth_limit == 0) return NULL;
uint32_t end_group_tag = (tag & ~7ULL) | kUpb_WireType_EndGroup;
while (!upb_EpsCopyInputStream_IsDone(stream, &ptr)) {
uint32_t tag;
ptr = upb_WireReader_ReadTag(ptr, &tag);
if (!ptr) return NULL;
if (tag == end_group_tag) return ptr;
ptr = _upb_WireReader_SkipValue(ptr, tag, depth_limit, stream);
if (!ptr) return NULL;
}
return ptr;
}
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