const char *dbuf_c_str(struct dbuf_s *dbuf)
{
assert(dbuf != NULL);
assert(dbuf->alloc != 0);
assert(dbuf->buf != NULL);
if (_dbuf_expand(dbuf, 1) != 0) {
((char *)dbuf->buf)[dbuf->len] = '\0';
return dbuf->buf;
}
return NULL;
}
int dbuf_append(struct dbuf_s *dbuf, const void *buf, size_t len)
{
assert(dbuf != NULL);
assert(dbuf->alloc != 0);
assert(dbuf->buf != NULL);
if (_dbuf_expand(dbuf, len) != 0) {
memcpy(&(((char *)dbuf->buf)[dbuf->len]), buf, len);
dbuf->len += len;
return 1;
}
return 0;
}
int dbuf_prepend(struct dbuf_s *dbuf, const void *buf, size_t len)
{
assert(dbuf);
assert(dbuf->alloc);
assert(dbuf->buf);
if (_dbuf_expand(dbuf, len) != 0) {
memmove(&(((char *)dbuf->buf)[len]), dbuf->buf, dbuf->len);
memcpy(dbuf->buf, buf, len);
dbuf->len += len;
return 1;
}
return 0;
}