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Added a small test program to print out characteristics of chars.

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This commit is contained in:
Ward Fisher 2015-12-22 20:27:04 +00:00
parent b66e37755f
commit 5505187241
1 changed files with 59 additions and 0 deletions
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59
char_test_prog.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
int main(void) {
int char_is_signed = 0;
char thischar;
if(CHAR_MAX < 255) {
char_is_signed = 1;
}
printf("-------------------\n");
printf("Unsigned\n");
printf("-------------------\n");
printf("UCHAR_MAX: %hhu\n",UCHAR_MAX);
printf("Min unsigned char: %hhu\n",0);
printf("Min UBYTE-1: %hhu\n",-1);
printf("Max UBYTE: %hhu\n",UCHAR_MAX);
printf("Max UBYTE+1: %hhu\n", UCHAR_MAX+1);
if(char_is_signed == 1) {
printf("-------------------\n");
printf("Default char is signed\n");
printf("-------------------\n");
printf("CHAR_MAX: %hhd\n",CHAR_MAX);
printf("Min char: %hhd\n",CHAR_MIN);
printf("Min char-1: %hhd\n",CHAR_MIN-1);
printf("Max char: %hhd\n",CHAR_MAX);
printf("Max char+1: %hhd\n", CHAR_MAX+1);
} else {
printf("-------------------\n");
printf("Default char is unsigned\n");
printf("-------------------\n");
printf("CHAR_MAX: %hhu\n",CHAR_MAX);
printf("Min char: %hhu\n",CHAR_MIN);
printf("Min char-1: %hhu\n",CHAR_MIN-1);
printf("Max char: %hhu\n",CHAR_MAX);
printf("Max char+1: %hhu\n", CHAR_MAX+1);
}
printf("-------------------\n");
printf("Signed\n");
printf("-------------------\n");
printf("SCHAR_MAX: %hhd\n",SCHAR_MAX);
printf("Min char: %hhd\n",SCHAR_MIN);
printf("Min char-1: %hhd\n",SCHAR_MIN-1);
printf("Max char: %hhd\n",SCHAR_MAX);
printf("Max char+1: %hhd\n", SCHAR_MAX+1);
}