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Do not call bufgrow unless necessary

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This commit is contained in:
Vicent Marti 2011-05-07 21:24:38 +03:00
parent a8cb69438c
commit cf81b53ee8
1 changed files with 7 additions and 3 deletions
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10
src/buffer.c
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@ -188,7 +188,7 @@ void
bufnullterm(struct buf *buf) { bufnullterm(struct buf *buf) {
if (!buf || !buf->unit) return; if (!buf || !buf->unit) return;
if (buf->size < buf->asize && buf->data[buf->size] == 0) return; if (buf->size < buf->asize && buf->data[buf->size] == 0) return;
if (bufgrow(buf, buf->size + 1)) if (buf->size + 1 <= buf->asize || bufgrow(buf, buf->size + 1))
buf->data[buf->size] = 0; } buf->data[buf->size] = 0; }
@ -205,7 +205,9 @@ bufprintf(struct buf *buf, const char *fmt, ...) {
/* bufput • appends raw data to a buffer */ /* bufput • appends raw data to a buffer */
void void
bufput(struct buf *buf, const void *data, size_t len) { bufput(struct buf *buf, const void *data, size_t len) {
if (!buf || !bufgrow(buf, buf->size + len)) return; if (!buf) return;
if (buf->size + len > buf->asize && !bufgrow(buf, buf->size + len))
return;
memcpy(buf->data + buf->size, data, len); memcpy(buf->data + buf->size, data, len);
buf->size += len; } buf->size += len; }
@ -219,7 +221,9 @@ bufputs(struct buf *buf, const char *str) {
/* bufputc • appends a single char to a buffer */ /* bufputc • appends a single char to a buffer */
void void
bufputc(struct buf *buf, char c) { bufputc(struct buf *buf, char c) {
if (!buf || !bufgrow(buf, buf->size + 1)) return; if (!buf) return;
if (buf->size + 1 > buf->asize && !bufgrow(buf, buf->size + 1))
return;
buf->data[buf->size] = c; buf->data[buf->size] = c;
buf->size += 1; } buf->size += 1; }