am big dum

334/bleh/1/bindec.c

@@ -1,64 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-// max length input string
-#define MAXSTR 25
-
-// convert input binary string to a number
-int bindec(char*, size_t);
-
-int main() {
-
-   // user input string
-   char s[MAXSTR+3]; 
-
-   // prompt for input
-   printf("> ");
-
-   // read input string; at most MAXSTR+1 chars accepted
-   // Note: this is tricky. If we accept only MAXSTR chars,
-   // we can't see if user entered more chars and they are
-   // being dropped by fgets.
-   fgets(s, MAXSTR+3, stdin);
-
-   // check input length; n does not include final carriage return
-   int n = strlen(s)-1;  
-   if (n > MAXSTR) {
-     printf("input cannot be more than %d characters\n", MAXSTR);
-     exit(1);
-   }
-
-   for(size_t i = 0; i < n; i++) {
-	   if(s[i] == '0' || s[i] == '1') {
-		   continue;
-	   }
-	   else {
-		   printf("input must contain only zeros and ones\n");
-		   exit(1);
-	   }
-   }
-   if(!n) {
-	   printf("No input given only hit enter\n");
-	   exit(1);
-   }
-
-   int output = bindec(s, MAXSTR);
-   printf("%d\n", output);
-
-   return 0;
-}
-
-int bindec(char* buf, size_t len) {
-	int ret = 0;
-	for(size_t i = 0; i < len; i++) {
-		if(buf[i] == '1') {
-			ret <<= 1;
-			ret++;
-		}
-		else {
-			ret <<= 0;
-		}
-	}
-	return ret;
-}