• Added feature to get Mac hardware model string.

Author: jerrykrinock

SSYSystemDescriber.h

@@ -10,6 +10,11 @@
 + (SSYVersionTriplet*)softwareVersionTriplet ;
 + (NSString*)softwareVersionString ;
 
+/*!
+ @result   Returns, for example, "MacBookAir6,2"
+ */
++ (NSString*)hardwareModel;
+
 /*!
  @brief    Returns system speed relative to a 2009 Mac Mini with 
  Core 2 Duo processor.

SSYSystemDescriber.m

@@ -1,5 +1,6 @@
 #import "SSYSystemDescriber.h"
 #import "SSYVersionTriplet.h"
+#import <sys/sysctl.h>
 
 @implementation SSYSystemDescriber
 
@@ -39,6 +40,24 @@ + (SSYVersionTriplet*)softwareVersionTriplet {
 											   bugFix:bugFix] ;
 }
 
+/* Thanks to erkanyildiz.  See https://stackoverflow.com/questions/8299087/getting-the-machine-type-and-other-hardware-details-through-cocoa-api */
++ (NSString *) hardwareModel {
+    size_t len = 0;
+    sysctlbyname("hw.model", NULL, &len, NULL, 0);
+
+    NSString* answer;
+    if (len > 0) {
+        char* model = malloc(len*sizeof(char));
+        sysctlbyname("hw.model", model, &len, NULL, 0);
+        answer = [NSString stringWithUTF8String:model];
+        free(model);
+    } else {
+        answer = @"Could not get Mac model";
+    }
+
+    return answer;
+}
+
 + (NSString*)softwareVersionString {
 	return [NSString stringWithFormat:@"macOS version = %@",
 			[[self softwareVersionTriplet] string]] ;