- *bufferSize = ( (unsigned int)1 << min_delta_num );\r
- if ( *bufferSize < (unsigned int) minSize ) *bufferSize = (unsigned int) minSize;\r
- else if ( *bufferSize > (unsigned int) maxSize ) *bufferSize = (unsigned int) maxSize;\r
- }\r
- else if ( granularity != 0 ) {\r
- // Set to an even multiple of granularity, rounding up.\r
- *bufferSize = (*bufferSize + granularity-1) / granularity * granularity;\r
+ long min_delta = std::abs( (long)*bufferSize - ((long)1 << log2_of_min_size) );\r
+ int min_delta_num = log2_of_min_size;\r
+\r
+ for (int i = log2_of_min_size + 1; i <= log2_of_max_size; i++) {\r
+ long current_delta = std::abs( (long)*bufferSize - ((long)1 << i) );\r
+ if (current_delta < min_delta) {\r
+ min_delta = current_delta;\r
+ min_delta_num = i;\r
+ }\r
+ }\r
+\r
+ *bufferSize = ( (unsigned int)1 << min_delta_num );\r
+ if ( *bufferSize < (unsigned int) minSize ) *bufferSize = (unsigned int) minSize;\r
+ else if ( *bufferSize > (unsigned int) maxSize ) *bufferSize = (unsigned int) maxSize;\r
+ }\r
+ else if ( granularity != 0 ) {\r
+ // Set to an even multiple of granularity, rounding up.\r
+ *bufferSize = (*bufferSize + granularity-1) / granularity * granularity;\r
+ }\r