comparison: src/cx/buffer.h
src/cx/buffer.h
- changeset 531
- 1b8624c8448e
- parent 530
- e866516cac17
- child 537
- 16219eba3a0a
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| 530:e866516cac17 | 531:1b8624c8448e |
|---|---|
| 162 * | 162 * |
| 163 * \attention | 163 * \attention |
| 164 * Security Note: The shifting operation does \em not erase the previously occupied memory cells. | 164 * Security Note: The shifting operation does \em not erase the previously occupied memory cells. |
| 165 * But you can easily do that manually, e.g. by calling | 165 * But you can easily do that manually, e.g. by calling |
| 166 * <code>memset(buffer->bytes, 0, shift)</code> for a right shift or | 166 * <code>memset(buffer->bytes, 0, shift)</code> for a right shift or |
| 167 * <code>memset(buffer->size, 0, buffer->capacity - buffer->size)</code> | 167 * <code>memset(buffer->bytes + buffer->size, 0, buffer->capacity - buffer->size)</code> |
| 168 * for a left shift. | 168 * for a left shift. |
| 169 * | 169 * |
| 170 * @param buffer the buffer | 170 * @param buffer the buffer |
| 171 * @param shift the shift offset (negative means left shift) | 171 * @param shift the shift offset (negative means left shift) |
| 172 * @return 0 on success, non-zero if a required auto-extension fails | 172 * @return 0 on success, non-zero if a required auto-extension fails |
