[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
번호 | 분류 | 제목 | 글쓴이 | 날짜 | 조회 수 |
---|---|---|---|---|---|
1041 | Develop | [maven] Mac OS에 메이븐(maven) 설치하기 | hooni | 2015.01.21 | 1224 |
1040 | Develop | [ios] UIView 계층구조 | hooni | 2015.01.03 | 1227 |
1039 | System/OS | 맥에서 포트 확인하고 닫기 (mac) | hooni | 2022.03.22 | 1230 |
1038 | Develop | [ubuntu] 우분투 18.04에 PHP5 설치하기 | hooni | 2020.11.14 | 1238 |
» | Develop | [ios] Objective-C Types & Storage Capacity | hooni | 2015.07.22 | 1259 |
1036 | Develop | GPL, AGPL, MPL,.. 한눈에 보는 오픈소스SW 라이선스 | hooni | 2014.10.14 | 1268 |
1035 | PPT | [ppt] OCB기술개발팀 OJT 자료 | hooni | 2015.11.13 | 1284 |
1034 | Develop | [ios] 코코아 프로그래밍의 네이밍 룰(명명 규칙) | hooni | 2017.05.11 | 1292 |
1033 | Develop | [ios] NavigationController 에서 왼쪽(back) 버튼 후킹하기 | hooni | 2015.10.23 | 1301 |
1032 | Develop | [coding] Find all anagrams in a string | hooni | 2017.06.27 | 1301 |
1031 | Develop | [js] Click button copy to clipboard | hooni | 2018.04.05 | 1302 |
1030 | Develop | [android] Calling activity function from separate class | hooni | 2016.11.15 | 1314 |