Pierre Habouzit schrieb:
quoted text
> +void strbuf_insert(struct strbuf *sb, size_t pos, const void *data, size_t len) {
> +	strbuf_grow(sb, len);
> +	if (pos >= sb->len) {
> +		sb->len = pos;

Did you mean "pos = sb->len;", i.e. append without creating a hole in
the string?  The statement as is has no effect because sb->len is not
used until the strbuf_setlen() at the end.

quoted text
> +	} else {
> +		memmove(sb->buf + pos + len, sb->buf + pos, sb->len - pos);
> +	}
> +	memcpy(sb->buf + pos, data, len);
> +	strbuf_setlen(sb, sb->len + len);
> +}

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