On 14 Jul 2014, at 19:12, Carl Hoefs <newsli...@autonomy.caltech.edu> wrote:
> Okay, now if I want to insert 1024 bytes of new data at the beginning of a
> populated NSMutableArray, is there a better way than this:
Yes.
[bigMData replaceBytesInRange:NSMakeRange(0,0)
withBytes:newBytesPtr
length:1024];
>
> NSMutableData *bigMData = ... // (approx 1MB of data);
> int origlength = bigMData.length;
> uint8_t *newBytesPtr = ...
> . . .
> // Shift contents over by 1024 bytes
> [bigMData replaceBytesInRange:NSMakeRange(1024,origlength)
> withBytes:bigMData.bytes
> length:origlength];
> // Add new contents to the beginning
> [bigMData replaceBytesInRange:NSMakeRange(0,1024);
> withBytes:newBytesPtr
> length:1024];
> This seems a bit messy.
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