| 50 | end_offset = begin_offset + len; |
| 51 | } |
| 52 | void reserve(size_t len) { |
| 53 | if (alloc_size >= begin_offset + len) { |
| 54 | return; |
| 55 | } |
| 56 | size_t asz = alloc_size; |
| 57 | while (asz < begin_offset + len) { |
| 58 | if (asz == 0) { |
| 59 | asz = 16; |
| 60 | } |
| 61 | const size_t asz_n = asz << 1; |
| 62 | if (asz_n < asz) { |
| 63 | fatal_abort("string_buffer::resize() overflow"); |
| 64 | } |
| 65 | asz = asz_n; |
| 66 | } |
| 67 | void *const p = DENA_REALLOC(buffer, asz); |
| 68 | if (p == 0) { |
| 69 | fatal_abort("string_buffer::resize() realloc"); |
| 70 | } |
| 71 | buffer = static_cast<char *>(p); |
| 72 | alloc_size = asz; |
| 73 | } |
| 74 | void erase_front(size_t len) { |
| 75 | if (len >= size()) { |
| 76 | clear(); |
nothing calls this directly
no test coverage detected