void *buf_unprepend(struct buffer_if *buf, int32_t amount) {
void *p;
+ if (buf->size < amount) return 0;
p=buf->start;
buf->start+=amount;
buf->size-=amount;
buf->base=safe_malloc(len,"buffer_new");
}
+void buffer_copy(struct buffer_if *dst, const struct buffer_if *src)
+{
+ if (dst->len < src->len) {
+ dst->base=realloc(dst->base,src->len);
+ if (!dst->base) fatal_perror("buffer_copy");
+ dst->len = src->len;
+ }
+ dst->start = dst->base + (src->start - src->base);
+ dst->size = src->size;
+ memcpy(dst->start, src->start, dst->size);
+}
+
static list_t *buffer_apply(closure_t *self, struct cloc loc, dict_t *context,
list_t *args)
{