M .gitignore → .gitignore

@@ -1,7 +1,3 @@ 
 # general ignore patterns
-*.o
-
-# ignore compiled executables
-## set 1
-set1/base64
+*/bin/*
 

M set1/src/base64.c → set1/src/base64.c

@@ -1,6 +1,6 @@ 
 #include <stdint.h>
 #include <stdio.h>
-#include <string.h>
+#include <stdlib.h>
 
 /*
  * base64.c: reads in raw bytes and converts to/outputs in base64 format
@@ -13,7 +13,7 @@ #define b64_output putchar
 //#define b64_output b64_out_debug
 
 size_t out_index = 0;
-char out_buf[BUF_LEN];
+uint8_t out_buf[BUF_LEN];
 
 void b64_out_debug(char c)
 {
@@ -25,19 +25,19 @@ 
 char *b64_alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 
 
-void main(int argc, char *argv[])
+int main()
 {
-	char c, spoke = 0;
-	int tmp, alph_index = 0;
+	int8_t c;
+	uint8_t tmp = 0, alph_index = 0, spoke = 0;
 	
 	while ((c = getchar()) != EOF) {
 		switch (spoke) {
 		case 0:
-			alph_index = c >> 2;                  // get last 6 bits
-			tmp = (c & 0x03) << 4;                // extract last 2 bits
+			alph_index = c >> 2;              // get last 6 bits
+			tmp = (c & 0x03) << 4;            // extract last 2 bits
 			break;
 		case 1:
-			alph_index = c >> 4;                  // get last 4 bits
+			alph_index = c >> 4;              // get last 4 bits
 			alph_index += tmp;
 			tmp = (c & 0x0f) << 2;
 			break;
@@ -64,5 +64,7 @@ b64_output('=');
 	}
 
 	putchar('\n');
+
+	return EXIT_SUCCESS;
 }