42 lines
884 B
C
42 lines
884 B
C
// Copyright 2022 Dietrich Epp.
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// This file is part of SyncFiles. SyncFiles is licensed under the terms of the
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// Mozilla Public License, version 2.0. See LICENSE.txt for details.
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#include "lib/strbuf.h"
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#include <stdlib.h>
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#include <string.h>
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bool StrbufAlloc(struct Strbuf *restrict b, size_t n)
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{
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size_t req = n + 1;
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if (req > b->alloc) {
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size_t nalloc = (b->alloc + 16) * 3 / 2;
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if (req > nalloc) {
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nalloc = req;
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}
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char *nbuf = realloc(b->buf, nalloc);
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if (nbuf == NULL) {
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return false;
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}
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b->buf = nbuf;
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b->alloc = nalloc;
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}
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return true;
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}
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bool StrbufReserve(struct Strbuf *restrict b, size_t n)
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{
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return StrbufAlloc(b, b->len + n);
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}
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bool StrbufAppendMem(struct Strbuf *restrict b, const char *s, size_t n)
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{
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if (!StrbufReserve(b, n)) {
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return false;
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}
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memcpy(b->buf + b->len, s, n);
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b->buf[b->len + n] = '\0';
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b->len += n;
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return true;
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}
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