On 10/18/2005 4:05 PM, "Eric Schlegel" <email@hidden> wrote:
> On Oct 18, 2005, at 11:12 AM, John Stiles wrote:
>
>> This came up originally on Cocoa-dev. The manual pages for
>> gestaltSystemVersion apparently recommend against its use:
>> file:///Developer/ADC%20Reference%20Library/documentation/Carbon/
>> Reference/Gestalt_Manager/gestalt_refchap/chapter_1.4_section_181.html
>>
>>> A better way to obtain version information in Mac OS X is to read
>>> the system version information from the following file:
>>>
>>> /System/Library/CoreServices/SystemVersion.plist
>>
>> Why is this? Gestalt seems like a simpler solution, compared to
>> parsing a plist. I also thought that early OS X Server versions
>> lacked this plist entirely.
>
> Here's a comment from a CarbonCore engineer:
>
>> Maybe gestaltSystemVersion itself should be deprecated, but we
>> added a bunch of new selectors to deal with the major, minor, and
>> bug fix releases in three seperate selectors ( to deal with the
>> problem that minor and bugfix rev couldn't be > 10 since it's
>> defined as BCD ).
>
> Those selectors are:
>
> gestaltSystemVersionMajor = 'sys1', /* The major system
> version number; in 10.4.17 this would be the decimal value 10 */
> gestaltSystemVersionMinor = 'sys2', /* The minor system
> version number; in 10.4.17 this would be the decimal value 4 */
> gestaltSystemVersionBugFix = 'sys3' /* The bug fix system
> version number; in 10.4.17 this would be the decimal value 17 */
I don't have Panther installed at this location but it's in the 10.3.9
sdk... Could I assume they are in all Panther and above?
> In general, I wouldn't recommend reading the SystemVersion.plist.
Good to know... But holy cow, how the heck did that comment end up in the
doc?
pete
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