[ios] Objective-C Types & Storage Capacity
Code:
@import <limits.h> // ... NSLog(@"Primitive sizes:"); NSLog(@"The size of a char is: %d.", sizeof(char)); NSLog(@"The size of short is: %d.", sizeof(short)); NSLog(@"The size of int is: %d.", sizeof(int)); NSLog(@"The size of long is: %d.", sizeof(long)); NSLog(@"The size of long long is: %d.", sizeof(long long)); NSLog(@"The size of a unsigned char is: %d.", sizeof(unsigned char)); NSLog(@"The size of unsigned short is: %d.", sizeof(unsigned short)); NSLog(@"The size of unsigned int is: %d.", sizeof(unsigned int)); NSLog(@"The size of unsigned long is: %d.", sizeof(unsigned long)); NSLog(@"The size of unsigned long long is: %d.", sizeof(unsigned long long)); NSLog(@"The size of a float is: %d.", sizeof(float)); NSLog(@"The size of a double is %d.", sizeof(double)); NSLog(@"Ranges:"); NSLog(@"CHAR_MIN: %c", CHAR_MIN); NSLog(@"CHAR_MAX: %c", CHAR_MAX); NSLog(@"SHRT_MIN: %hi", SHRT_MIN); // signed short int NSLog(@"SHRT_MAX: %hi", SHRT_MAX); NSLog(@"INT_MIN: %i", INT_MIN); NSLog(@"INT_MAX: %i", INT_MAX); NSLog(@"LONG_MIN: %li", LONG_MIN); // signed long int NSLog(@"LONG_MAX: %li", LONG_MAX); NSLog(@"ULONG_MAX: %lu", ULONG_MAX); // unsigned long int NSLog(@"LLONG_MIN: %lli", LLONG_MIN); // signed long long int NSLog(@"LLONG_MAX: %lli", LLONG_MAX); NSLog(@"ULLONG_MAX: %llu", ULLONG_MAX); // unsigned long long int
Result:
<32 bit process>
Primitive sizes:
The size of a char is: 1.
The size of short is: 2.
The size of int is: 4.
The size of long is: 4.
The size of long long is: 8.
The size of a unsigned char is: 1.
The size of unsigned short is: 2.
The size of unsigned int is: 4.
The size of unsigned long is: 4.
The size of unsigned long long is: 8.
The size of a float is: 4.
The size of a double is 8.
Ranges:
CHAR_MIN: -128
CHAR_MAX: 127
SHRT_MIN: -32768
SHRT_MAX: 32767
INT_MIN: -2147483648
INT_MAX: 2147483647
LONG_MIN: -2147483648
LONG_MAX: 2147483647
ULONG_MAX: 4294967295
LLONG_MIN: -9223372036854775808
LLONG_MAX: 9223372036854775807
ULLONG_MAX: 18446744073709551615
<64 bit process>
Primitive sizes:
The size of a char is: 1.
The size of short is: 2.
The size of int is: 4.
The size of long is: 8.
The size of long long is: 8.
The size of a unsigned char is: 1.
The size of unsigned short is: 2.
The size of unsigned int is: 4.
The size of unsigned long is: 8.
The size of unsigned long long is: 8.
The size of a float is: 4.
The size of a double is 8.
Ranges:
CHAR_MIN: -128
CHAR_MAX: 127
SHRT_MIN: -32768
SHRT_MAX: 32767
INT_MIN: -2147483648
INT_MAX: 2147483647
LONG_MIN: -9223372036854775808
LONG_MAX: 9223372036854775807
ULONG_MAX: 18446744073709551615
LLONG_MIN: -9223372036854775808
LLONG_MAX: 9223372036854775807
ULLONG_MAX: 18446744073709551615
[출처] https://bhaveshdhaduk.wordpress.com/2014/01/25/ios-objective-c-types/
[참고] http://reference.jumpingmonkey.org/programming_languages/objective-c/types.html
No. | Category | Subject | Author | Date | Views |
---|---|---|---|---|---|
733 | Develop | [opengl] 컴퓨터 그래픽스 강의 자료(수업자료) | hooni | 2003.04.23 | 20520 |
732 | Develop | [android] [번역] 안드로이드 Android Cloud to Device Messaging(C2DM) | hooni | 2013.04.23 | 20480 |
731 | Develop | [php] substr() 한글 자를 때 깨짐 방지 | hooni | 2014.01.09 | 20438 |
730 | Develop | [ios] UIView에서 상위 UIViewController 가져오기 | hooni | 2013.09.27 | 20230 |
729 | Develop | [c] UTF-8을 EUC-KR로 변환.. (iconv) | hooni | 2013.04.23 | 20190 |
728 | Develop | [c] AES 알고리즘 (암호화/복호화) | hooni | 2003.04.23 | 20142 |
727 | Develop | [php] XE 에서 php 구문 사용하기 (XE 템플릿에서) | hooni | 2013.10.31 | 19533 |
726 | Develop | [js]모바일 웹에서 orientationchange | hooni | 2013.04.23 | 19429 |
725 | Develop | 모터에 대한 pid 제어.. ㅎㅎ | hooni | 2013.04.23 | 18936 |
724 | Develop | URI 인코딩, URL 인코딩 | hooni | 2013.04.23 | 18901 |
723 | Develop | [ios] Objective-C에서 형식이 있는 문자열(Format Strings)에 사용할 수 있는 토큰들(Tokens) | hooni | 2013.04.23 | 18830 |
722 | Develop | [ios] libxml/tree.h file not found | hooni | 2013.08.08 | 18767 |