cs_version() can accept NULL arguments. this is useful if you dont ca…

…re about major/minor, but only want to get returned combined version

config.mk

@@ -2,13 +2,13 @@
 CAPSTONE_ARCHS =
 
 # Comment the line below if you don't want to ARM support
-CAPSTONE_ARCHS += arm
+#CAPSTONE_ARCHS += arm
 
 # Comment the line below if you don't want to ARM64 support
-CAPSTONE_ARCHS += aarch64
+#CAPSTONE_ARCHS += aarch64
 
 # Comment the line below if you don't want to Mips support
-CAPSTONE_ARCHS += mips
+#CAPSTONE_ARCHS += mips
 
 # Comment the line below if you don't want to X86 support
 CAPSTONE_ARCHS += x86

cs.c

@@ -19,8 +19,10 @@ unsigned int all_arch = 0;
 
 unsigned int cs_version(int *major, int *minor)
 {
-	*major = CS_API_MAJOR;
-	*minor = CS_API_MINOR;
+	if (major != NULL && minor != NULL) {
+		*major = CS_API_MAJOR;
+		*minor = CS_API_MINOR;
+	}
 
 	return (CS_API_MAJOR << 8) + CS_API_MINOR;
 }

include/capstone.h

@@ -141,6 +141,9 @@ typedef enum cs_err {
 
  For example, second API version would return 1 in @major, and 1 in @minor
  The return value would be 0x0101
+
+ NOTE: if you only care about returned value, but not major and minor values,
+ set both arguments to NULL.
 */
 unsigned int cs_version(int *major, int *minor);