initial commitHEADmaster

1 files changed, 41 insertions, 0 deletions

diff --git a/main.c b/main.c
new file mode 100644
index 0000000..282da8f
--- /dev/null
+++ b/main.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+
+int main(void)
+{
+char c;
+unsigned short numBlanks = 0;//number of blanks stored
+unsigned short i;//loop int
+
+while ((c=getchar()) != EOF)//keep on accepting input characters until EOF is given
+{
+if (c == ' '){++numBlanks;}//if character is space, number of blanks+=1
+
+if (c == '	'){numBlanks += 4;}//if character is tab, number of blanks+=4
+
+if ((c != ' ') && (c != '	') && (numBlanks > 0))//if there were previously recorded blanks, but current is a non-blank character, print the optimised amount of blanks
+{
+	if ((numBlanks % 4) == 0)//if the number of spaces are evenly divisable by 4, only print tabs.
+	{
+	for (i=0;i<(numBlanks/4);++i){putchar('	');}//place tab for every 4 spaces
+	numBlanks = 0;//we are done printing all blanks
+	}
+	else //otherwise, go into tab/space mode
+		{
+		while (numBlanks != 0)//keep on printing until there are no more blanks to print
+			{
+			if (numBlanks > 3){putchar('	'); numBlanks -= 4;}//if the number of blanks is 4 or above, print a tab and reduce the number of blanks
+			else {putchar(' '); --numBlanks;}//otherwise, print a single blank
+			}
+		}
+}
+
+if (numBlanks == 0)//if character is non-blank, or all blanks have just been printed, print the character
+{
+putchar(c);
+}
+
+}
+
+
+return 0;
+}