Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Refactor typecard. #32

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Refactor typecard. #32

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
111 changes: 62 additions & 49 deletions typecard.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,65 +17,78 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#include <ctype.h>
#include <inttypes.h>
#include <limits.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

int
main(int argc, char *argv[]) {
printf("\n");
#ifdef __LP64__
printf("System: 64 bit\n");

/* Check Endianness */
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
# define ENDIAN_TYPE "Little"
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
# define ENDIAN_TYPE "Big"
#elif __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
# define ENDIAN_TYPE "PDP"
#else
printf("System: 32 bit\n");
# define ENDIAN_TYPE "Unknown"
#endif

#if BYTE_ORDER == BIG_ENDIAN
printf("Host byte order: Big Endian\n");
#endif
#if BYTE_ORDER == LITTLE_ENDIAN
printf("Host byte order: Little Endian\n");
#endif
printf("\n");
printf("char:\t\t%2d (%3d bits)\n", sizeof(char), sizeof(char) * 8);
printf("short:\t\t%2d (%3d bits)\n", sizeof(short), sizeof(short) * 8);
printf("int:\t\t%2d (%3d bits)\n", sizeof(int), sizeof(int) * 8);
printf("long:\t\t%2d (%3d bits)\n", sizeof(long), sizeof(long) * 8);
printf("long long:\t%2d (%3d bits)\n", sizeof(long long), sizeof(long long) * 8);
printf("\n");

printf("float:\t\t%2d (%3d bits)\n", sizeof(float), sizeof(float) * 8);
printf("double:\t\t%2d (%3d bits)\n", sizeof(double), sizeof(double) * 8);
printf("long double:\t%2d (%3d bits)\n", sizeof(long double), sizeof(long double) * 8);
printf("\n");
/* Print the name and size of a type */
static void
print_type_size(char *type, size_t size) {
printf("%s:\t%2d (%3d bits)\n", type, size, size * CHAR_BIT);
}

printf("wchar_t:\t%2d (%3d bits)\n", sizeof(wchar_t), sizeof(wchar_t) * 8);
printf("size_t:\t\t%2d (%3d bits)\n", sizeof(size_t), sizeof(size_t) * 8);
printf("_Bool:\t\t%2d (%3d bits)\n", sizeof(_Bool), sizeof(_Bool) * 8);
int
main() {
printf("\n");
printf("System: %d bit\n", sizeof(void*) * CHAR_BIT);

printf("int8_t:\t\t%2d (%3d bits)\n", sizeof(int8_t), sizeof(int8_t) * 8);
printf("int16_t:\t%2d (%3d bits)\n", sizeof(int16_t), sizeof(int16_t) * 8);
printf("int32_t:\t%2d (%3d bits)\n", sizeof(int32_t), sizeof(int32_t) * 8);
printf("int64_t:\t%2d (%3d bits)\n", sizeof(int64_t), sizeof(int64_t) * 8);
#ifdef __LP64__
printf("__int128_t:\t%2d (%3d bits)\n", sizeof(__int128_t), sizeof(__int128_t) * 8);
/* possible endian types */
printf("Host byte order: %s Endian\n", ENDIAN_TYPE);
printf("\n");

print_type_size("char\t", sizeof(char));
print_type_size("short\t", sizeof(short));
print_type_size("int\t", sizeof(int));
print_type_size("long\t", sizeof(long));
print_type_size("long long", sizeof(long long));
putchar('\n');

print_type_size("float\t", sizeof(float));
print_type_size("double\t", sizeof(double));
print_type_size("long double", sizeof(long double));
putchar('\n');

print_type_size("wchar_t", sizeof(wchar_t));
print_type_size("size_t\t", sizeof(size_t));
print_type_size("_Bool\t", sizeof(_Bool));
putchar('\n');

print_type_size("int8_t\t", sizeof(int8_t));
print_type_size("int16_t", sizeof(int16_t));
print_type_size("int32_t", sizeof(int32_t));
print_type_size("int64_t", sizeof(int64_t));
#ifdef __sizeof_int128__
print_type_size("__int128_t", sizeof(__int128_t));
#endif
printf("int_fast8_t:\t%2d (%3d bits)\n", sizeof(int_fast8_t), sizeof(int_fast8_t) * 8);
printf("int_fast16_t:\t%2d (%3d bits)\n", sizeof(int_fast16_t), sizeof(int_fast16_t) * 8);
printf("int_fast32_t:\t%2d (%3d bits)\n", sizeof(int_fast32_t), sizeof(int_fast32_t) * 8);
printf("int_fast64_t:\t%2d (%3d bits)\n", sizeof(int_fast64_t), sizeof(int_fast64_t) * 8);
printf("\n");
printf("int_least8_t:\t%2d (%3d bits)\n", sizeof(int_least8_t), sizeof(int_least8_t) * 8);
printf("int_least16_t:\t%2d (%3d bits)\n", sizeof(int_least16_t), sizeof(int_least16_t) * 8);
printf("int_least32_t:\t%2d (%3d bits)\n", sizeof(int_least32_t), sizeof(int_least32_t) * 8);
printf("int_least64_t:\t%2d (%3d bits)\n", sizeof(int_least64_t), sizeof(int_least64_t) * 8);
printf("\n");
printf("intmax_t:\t%2d (%3d bits)\n", sizeof(intmax_t), sizeof(intmax_t) * 8);
}
putchar('\n');

print_type_size("int_least8_t", sizeof(int_fast8_t));
print_type_size("int_least16_t", sizeof(int_fast16_t));
print_type_size("int_least32_t", sizeof(int_fast32_t));
print_type_size("int_least64_t", sizeof(int_fast64_t));
putchar('\n');

print_type_size("int_fast8_t", sizeof(int_fast8_t));
print_type_size("int_fast16_t", sizeof(int_fast16_t));
print_type_size("int_fast32_t", sizeof(int_fast32_t));
print_type_size("int_fast64_t", sizeof(int_fast64_t));
putchar('\n');

print_type_size("intmax_t", sizeof(intmax_t));
print_type_size("intptr_t", sizeof(intptr_t));
}