config.tests/mac/xcodeversion.cpp

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  41
  42 #include <stdlib.h>
  43 #include <stdio.h>
  44 #include <CoreFoundation/CoreFoundation.h>
  45 #include <Carbon/Carbon.h>
  46
  47 int success = 0;
  48 int fail = 1;
  49 int internal_error = success; // enable dwarf on internal errors
  50
  51 int main(int argc, const char **argv)
  52 {
  53     CFURLRef cfurl;
  54     OSStatus err = LSFindApplicationForInfo(0, CFSTR("com.apple.Xcode"), 0, 0, &cfurl);
  55     if (err != noErr)
  56         return internal_error;
  57
  58     CFBundleRef bundle = CFBundleCreate(0, cfurl);
  59     if (bundle == 0)
  60         return internal_error;
  61
  62     CFStringRef str = CFStringRef(CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("CFBundleShortVersionString")));
  63     const char * ptr = CFStringGetCStringPtr(str, 0);
  64     if (ptr == 0)
  65         return internal_error;
  66
  67     // self-test
  68     const char * fail1 = "2.4";
  69     const char * fail2 = "2.4.0";
  70     const char * fail3  ="2.3";
  71     const char * ok1  = "2.4.1";
  72     const char * ok2  ="2.5";
  73     const char * ok3  ="3.0";
  74 //    ptr = fail1;
  75 //    printf ("string: %s\n", ptr);
  76
  77     int length = strlen(ptr);
  78     if (length < 3) // expect "x.y" at least
  79         return internal_error;
  80
  81     // fail on 2.4 and below (2.4.1 is ok)
  82
  83      if (ptr[0] < '2')
  84         return fail;
  85
  86     if (ptr[0] >= '3')
  87         return success;
  88
  89     if (ptr[2] < '4')
  90         return fail;
  91
  92     if (length < 5)
  93         return fail;
  94
  95     if (ptr[4] < '1')
  96         return fail;
  97
  98     return success;
  99 }