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typecard.c
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typecard.c
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/* typecard - prints basic C types and their sizes.
* Used for the eschalot development and cross-platform testing. */
/*
* Copyright (c) 2013 Unperson Hiro <blacksunhq56imku.onion>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <ctype.h>
#include <inttypes.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");
#else
printf("System: 32 bit\n");
#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");
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);
printf("\n");
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);
printf("\n");
#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);
}