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Re: [NSMutableData resetDataRangeTo:(NSRange)range];
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Re: [NSMutableData resetDataRangeTo:(NSRange)range];


  • Subject: Re: [NSMutableData resetDataRangeTo:(NSRange)range];
  • From: Jens Alfke <email@hidden>
  • Date: Tue, 15 Jul 2014 10:20:46 -0700

On Jul 15, 2014, at 9:50 AM, Carl Hoefs <email@hidden> wrote:

> Awesome! I had been wondering if this concept existed in Cocoa, didn't see it in the NSData docs. It's sort of like using iovec structs with readv/writev for sockets. I would primarily use the dispatch_data_create_map() function, right? Looks like it's supported in OS X 10.7+. Très cool.

I’ve seen evidence that NSData/CFData supports data objects built out of multiple non-contiguous buffers, because I’ve received some such objects in an NSURLConnection delegate callback. There just doesn’t appear to be any public API for _creating_ such an NSData object, sadly.

—Jens
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  • Follow-Ups:
    • Re: [NSMutableData resetDataRangeTo:(NSRange)range];
      • From: Kyle Sluder <email@hidden>
References: 
 >[NSMutableData resetDataRangeTo:(NSRange)range]; (From: Carl Hoefs <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Matt Gough <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Carl Hoefs <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Mike Abdullah <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Carl Hoefs <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Ben Kennedy <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Carl Hoefs <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Jens Alfke <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Carl Hoefs <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Jens Alfke <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Carl Hoefs <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Jens Alfke <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Mike Abdullah <email@hidden>)
 >Re: [NSMutableData resetDataRangeTo:(NSRange)range]; (From: Carl Hoefs <email@hidden>)

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