| 109 | } |
| 110 | |
| 111 | static size_t overwrite_part(const u8 *in1, size_t in1_size, const u8 *in2, |
| 112 | size_t in2_size, u8 *out, size_t max_out_size) |
| 113 | { |
| 114 | size_t overwrite_begin; |
| 115 | size_t overwrite_size; |
| 116 | size_t in2_begin; |
| 117 | |
| 118 | if (in1_size > max_out_size) |
| 119 | return 0; |
| 120 | if (in1_size == 0) |
| 121 | return 0; |
| 122 | |
| 123 | overwrite_begin = rand() % in1_size; |
| 124 | overwrite_size = (rand() % (in1_size - overwrite_begin)) + 1; |
| 125 | if (overwrite_size > in2_size) |
| 126 | overwrite_size = in2_size; |
| 127 | in2_begin = rand() % (in2_size - overwrite_size + 1); |
| 128 | |
| 129 | memcpy(out, in1, in1_size); |
| 130 | memcpy(out + overwrite_begin, in2 + in2_begin, overwrite_size); |
| 131 | |
| 132 | return in1_size; |
| 133 | } |
| 134 | |
| 135 | size_t cross_over(const u8 *in1, size_t in1_size, const u8 *in2, |
| 136 | size_t in2_size, u8 *out, size_t max_out_size, unsigned seed) |