Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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53 lines
2.2 KiB
53 lines
2.2 KiB
/* |
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* Copyright (c) 2009-2022, Google LLC |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* * Neither the name of Google LLC nor the |
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* names of its contributors may be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "upb/reflection/desc_state_internal.h" |
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// Must be last. |
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#include "upb/port_def.inc" |
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bool _upb_DescState_Grow(upb_DescState* d, upb_Arena* a) { |
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const size_t oldbufsize = d->bufsize; |
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const int used = d->ptr - d->buf; |
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if (!d->buf) { |
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d->buf = upb_Arena_Malloc(a, d->bufsize); |
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if (!d->buf) return false; |
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d->ptr = d->buf; |
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d->e.end = d->buf + d->bufsize; |
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} |
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if (oldbufsize - used < kUpb_MtDataEncoder_MinSize) { |
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d->bufsize *= 2; |
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d->buf = upb_Arena_Realloc(a, d->buf, oldbufsize, d->bufsize); |
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if (!d->buf) return false; |
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d->ptr = d->buf + used; |
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d->e.end = d->buf + d->bufsize; |
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} |
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return true; |
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}
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