#include <string.h>

#include <ctype.h>

#include "util.h"

char *rtrimwhitespace(char *str) {

unsigned char endloc = strlen(str) - 1;

while (isspace(str[endloc])) endloc--;

if (endloc <= 0) {

str[0] = '\0';

} else {

str[endloc + 1] = '\0';

}

return str;

}

char *ltrimwhitespace(char *str) {

unsigned char startloc = 0;

// Trim leading space

while(isspace(str[startloc])) startloc++;

if(startloc >= strlen(str)) { // All spaces?

str[0] = '\0';

} else if (startloc > 0) {

unsigned char truelen = strlen(str) - startloc;

for (int i = 0; i < truelen; i++) {

str[i] = str[i + startloc];

}

str[truelen] = '\0';

}

return str;

}

void strupper(char *str) {

int len = strlen(str);

for (int i = 0; i < len; i++) {

str[i] = toupper(str[i]);

}

}