1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2023 Google LLC. All rights reserved. 3 // 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file or at 6 // https://developers.google.com/open-source/licenses/bsd 7 8 #include "upb/reflection/internal/desc_state.h" 9 10 // Must be last. 11 #include "upb/port/def.inc" 12 _upb_DescState_Grow(upb_DescState * d,upb_Arena * a)13bool _upb_DescState_Grow(upb_DescState* d, upb_Arena* a) { 14 const size_t oldbufsize = d->bufsize; 15 const int used = d->ptr - d->buf; 16 17 if (!d->buf) { 18 d->buf = upb_Arena_Malloc(a, d->bufsize); 19 if (!d->buf) return false; 20 d->ptr = d->buf; 21 d->e.end = d->buf + d->bufsize; 22 } 23 24 if (oldbufsize - used < kUpb_MtDataEncoder_MinSize) { 25 d->bufsize *= 2; 26 d->buf = upb_Arena_Realloc(a, d->buf, oldbufsize, d->bufsize); 27 if (!d->buf) return false; 28 d->ptr = d->buf + used; 29 d->e.end = d->buf + d->bufsize; 30 } 31 32 return true; 33 } 34