From b577638c1987c894c0a95a482098a93239b80f53 Mon Sep 17 00:00:00 2001
From: OSeHyeon <dhtpgus16@gmail.com>
Date: Wed, 3 Aug 2016 14:51:26 -0700
Subject: [PATCH] fscanf

---
 calc.c      |  3 ++-
 my_fscanf.c | 33 +++++++++++++++++++++++++++++++++
 my_fscanf.h |  7 +++++++
 3 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 my_fscanf.c
 create mode 100644 my_fscanf.h

diff --git a/calc.c b/calc.c
index 85f1466..99d48fa 100644
--- a/calc.c
+++ b/calc.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include "operators.h"
+#include "my_fscanf.h"
 
 int main(){
 	FILE *fp = NULL;
@@ -12,7 +13,7 @@ int main(){
 		fscanf(fp, "%d", &line);
 	
 		for(int i=0; i<line; i++) {
-			fscanf(fp, "%d %c %d",&operand1, &operator, &operand2);
+			my_fscanf(fp, "%d %c %d",&operand1, &operator, &operand2);
 			switch(operator) {
 				case '+':
 				result = add(operand1, operator);
diff --git a/my_fscanf.c b/my_fscanf.c
new file mode 100644
index 0000000..0b7408b
--- /dev/null
+++ b/my_fscanf.c
@@ -0,0 +1,33 @@
+#include "my_fscanf.h"
+#include <stdarg.h>
+#include <ctype.h> 
+
+void my_fscanf(FILE *fp, const char* format, ... ) {
+	va_list list;
+	va_start(list, format);
+	while(*format) {
+		if(*format == '%') {
+			format++;
+ 
+			switch(*format) {
+			case 'd': { 
+				c = getc( list );
+				printf("%d", c);
+				break; 
+			}
+			case 'c': {
+				c = getc( list );
+				printf("%c", c);
+				break; 
+			}		
+			}
+
+		}
+		elseif(*format == ' ') {
+			format++;
+		}
+		elseif(*format == '\n') {
+			return 0;
+		} 
+	}
+	va_end(list);
diff --git a/my_fscanf.h b/my_fscanf.h
new file mode 100644
index 0000000..fd352bd
--- /dev/null
+++ b/my_fscanf.h
@@ -0,0 +1,7 @@
+#ifndef MY_FSCANF_H
+#define MY_FSCANF_H
+#include <stdio.h>
+
+void my_fscanf( FILE *fp, const char *format, ... ); 
+
+#endif