Get iOS device name/Resolution

https://github.com/svgkit/svgkit//svgkit -> svglength.m         size_t size;sysctlbyname ("Hw.machine",  null, &size, null, 0); char  *machine = malloc (size); Sysctlbyname ("Hw.machine",  machine, &size, null,  0); Nsstring *platform = [nsstring stringwithutf8string:machine];free (machine); if ( [ platform hasprefix:@ "IPhone1"]| |  [platform hasprefix:@ "IPhone2"]| |  [platform hasprefix:@ "IPhone3"]) return 163.0f;if ( [platform hasprefix:@ "IPhone4"]| |  [platform hasprefix:@ "IPhone5"]| |  [platform hasprefix:@ "IPhone6"]) return 326.0f;             // for iphone6+    // added by gerry  2014.11.22 10:12    //    // Note: iPhone6   326ppi    if ( [platform hasprefix:@ "IPhone7")  {         return 401.0f;    }if ( [platform hasprefix:@ "IPhone "])  // catch-all for higher-end devices not yet existing{nsassert ( false, @ "not supported yet: you are using an iphone that  Didn ' T exist when this code was written, we have no idea  what the pixel count per inch is! "); return 326.0f;} if ( [platform hasprefix:@ "IPod1"]   | |  [platform hasprefix:@ "IPod2"]   | |  [platform hasprefix:@ "IPod3"]) return 163.0f;if ( [platform hasprefix:@ "IPOD4"]    | |  [platform hasprefix:@ "IPOD5"]) return 326.0f;if ( [platform hasprefix:@ "IPod"])  / / catch-all&Nbsp;for higher-end devices not yet existing{nsassert (FALSE, @ "Not  Supported yet: you are using an ipod that didn ' T exist when  this code was written, we have no idea what the pixel  count per inch is! "); return 326.0f;} if ( [platform hasprefix:@ "IPad1"]| |  [platform hasprefix:@ "IPad2"]) return 132.0f;if ( [platform hasprefix:@ "IPad3"]| |  [platform hasprefix:@ "IPad4"]) return 264.0f;if ( [platform hasprefix:@ "IPad"])  / / catch-all for higher-end devices not yet existing{nsassert (FALSE, @ " Not supported yet: you are using an ipad that didn ' T exist  when this code was written, we have no idea what the  pixel count per&Nbsp;inch is! "); return 264.0f;} if ( [platform hasprefix:@ "x86_64"]) {Ddlogwarn (@ "[%@] warning: you are running  on the simulator; it ' s impossible for us to calculate  Centimeter/millimeter/inches units correctly ",  [self class]); return 132.0f; //  simulator, running on desktop machine}

Get iOS device name/Resolution