From 935b82c35f5eadd082b4081ac394097a2eb6b2a8 Mon Sep 17 00:00:00 2001
From: operatos <operato@naver.com>
Date: Wed, 5 Apr 2017 12:18:23 +0900
Subject: [PATCH 1/3] bug fixed

---
 calc        | Bin 11920 -> 10263 bytes
 calc.c      |  19 +++++++++++--------
 calc.o      | Bin 6608 -> 4664 bytes
 operators.c |   4 ++--
 operators.h |   2 +-
 operators.o | Bin 3288 -> 2284 bytes
 6 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/calc b/calc
index 023ec18849df720f42caff96d245271e7596b5b9..ca03838c7fc7a5a128e8af121412dfa8de14bfe5 100755
GIT binary patch
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diff --git a/calc.c b/calc.c
index 85f1466..dee88c7 100644
--- a/calc.c
+++ b/calc.c
@@ -5,29 +5,32 @@ int main(){
 	FILE *fp = NULL;
 	int operand1, operand2;
 	char operator = ' ';
-	int result, line = 0;
+	int result, line, i = 0;
 
 	fp = fopen("read.txt","r");
 	if(fp!=NULL){
 		fscanf(fp, "%d", &line);
 	
-		for(int i=0; i<line; i++) {
+		for(i=0; i<line; i++) {
 			fscanf(fp, "%d %c %d",&operand1, &operator, &operand2);
+			if(feof(fp) == 1)
+				break;
 			switch(operator) {
 				case '+':
-				result = add(operand1, operator);
+				result = add(operand1, operand2);
 				break;
 				case '-':
-				result = minus(operand1, operator);
+				result = minus(operand1, operand2);
 				break;
 				case '*':
-				result = mul(operand1, operator);
+				result = mul(operand1, operand2);
+				break;
 				case '/':
-				result = div(operand1, operator);
+				result = div(operand1, operand2);
 				break;
 			}		
-			printf("%d %c %d = %d\n",
-				 operand1, operator, operand2, result);
+			printf("%d %c %d = %lf\n",
+				 operand1, operator, operand2, (double)result);
 		}
 	}
 	return 0;
diff --git a/calc.o b/calc.o
index e2bf1e76837b7b2d99d8b1515a8dafe76381699c..37e1bdc9bb8b803d4ff502e89ef7e40bf3d6aa14 100644
GIT binary patch
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diff --git a/operators.c b/operators.c
index d51cb3e..d39d0db 100644
--- a/operators.c
+++ b/operators.c
@@ -10,7 +10,7 @@ int mul(int op1, int op2) {
 	return op1*op2;
 }
 
-int div(int op1, int op2) {
-	return op1%op2;
+double div(int op1, int op2) {
+	return (double)op1/op2;
 }
 
diff --git a/operators.h b/operators.h
index bd08f7d..e16bf60 100644
--- a/operators.h
+++ b/operators.h
@@ -1,4 +1,4 @@
 int add(int op1, int op2);
 int mul(int op1, int op2);
-int div(int op1, int op2);
+double div(int op1, int op2);
 int minus(int op1, int op2);
diff --git a/operators.o b/operators.o
index 71b996c467c636eea2a5466488a72a5e4c372d7d..8dc831b92ab823492b41682cbafbe372803c7100 100644
GIT binary patch
literal 2284
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Jw5y`W{|DoA6BYmf


From f9192daa7569604902357aa7776e7f8306520fce Mon Sep 17 00:00:00 2001
From: operatos <operato@naver.com>
Date: Wed, 5 Apr 2017 15:14:13 +0900
Subject: [PATCH 2/3] ignore file

---
 .gitinore   |   2 ++
 calc.o      | Bin 4664 -> 0 bytes
 operators.o | Bin 2284 -> 0 bytes
 3 files changed, 2 insertions(+)
 create mode 100644 .gitinore
 delete mode 100644 calc.o
 delete mode 100644 operators.o

diff --git a/.gitinore b/.gitinore
new file mode 100644
index 0000000..2490a4d
--- /dev/null
+++ b/.gitinore
@@ -0,0 +1,2 @@
+*.o
+/calc
diff --git a/calc.o b/calc.o
deleted file mode 100644
index 37e1bdc9bb8b803d4ff502e89ef7e40bf3d6aa14..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 4664
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diff --git a/operators.o b/operators.o
deleted file mode 100644
index 8dc831b92ab823492b41682cbafbe372803c7100..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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S@-=AuiqxjnSFQfg>VE(iV(aq&


From cb1aabb86cca9b14b7e94c015abace528749436b Mon Sep 17 00:00:00 2001
From: ParkSuHyeon <zsl0093@gmail.com>
Date: Wed, 31 May 2017 12:58:02 +0900
Subject: [PATCH 3/3] my_fscanf2

---
 README.md   |  16 -----------
 cal.c       |  23 +++++++++++++++
 calc        | Bin 10263 -> 11587 bytes
 calc.c      |  38 -------------------------
 my_fscanf.c |  79 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 my_fscanf.h |   6 ++++
 operators.c |  16 -----------
 operators.h |   4 ---
 points.txt  |   6 ++++
 read.txt    |   5 ----
 10 files changed, 114 insertions(+), 79 deletions(-)
 delete mode 100644 README.md
 create mode 100755 cal.c
 delete mode 100644 calc.c
 create mode 100755 my_fscanf.c
 create mode 100755 my_fscanf.h
 delete mode 100644 operators.c
 delete mode 100644 operators.h
 create mode 100755 points.txt
 delete mode 100644 read.txt

diff --git a/README.md b/README.md
deleted file mode 100644
index 68b2d37..0000000
--- a/README.md
+++ /dev/null
@@ -1,16 +0,0 @@
-# Simple Calculator
-
-This is a buggy application that will be used for Lab5 of 'Introduction to Open Source Software Development.'
-
-  - Fork the project.
-  - Create a topic branch from master. 
-  - The branch name must be your student id. (e.g. 201624000)
-  - Make some commits to improve the project.
-    - Fix the well-knwon bugs.
-    - Remove object and binary files.
-    - Add .gitignore file
-  - Push this branch to your GitHub project.
-  - Open a Pull Request on GitHub.
-  - The Pull Request must be submitted to master branch of Classroom-IOSSD/SimpleCalculator!
-  - Capture the Pull Request and upload it to PLMS.
-
diff --git a/cal.c b/cal.c
new file mode 100755
index 0000000..a0a4831
--- /dev/null
+++ b/cal.c
@@ -0,0 +1,23 @@
+#include <stdio.h> 
+#include <string.h> 
+#include "my_fscanf.h" 
+
+int main() {
+	FILE* fp = fopen("points.txt", "r");     
+	char type[10];     
+	double x, y;     
+	int line;
+	int i;
+	if (fp != NULL) 
+	{ 
+		my_fscanf(fp, "%d\r\n", &line);         
+		for (i = 0; i < line; i++) { 
+			my_fscanf(fp, "%s (%f,%f)\r\n", type, &x, &y); 
+			if (strcmp(type, "point") == 0) 
+			{
+				printf("X: %f:, Y: %f\r\n", x, y); 
+			} 
+		} 
+	}
+	return 0;
+}
diff --git a/calc b/calc
index ca03838c7fc7a5a128e8af121412dfa8de14bfe5..06d03dc8ff8461a94e0eeaa487b7b8bb56d4df1e 100755
GIT binary patch
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diff --git a/calc.c b/calc.c
deleted file mode 100644
index dee88c7..0000000
--- a/calc.c
+++ /dev/null
@@ -1,38 +0,0 @@
-#include <stdio.h>
-#include "operators.h"
-
-int main(){
-	FILE *fp = NULL;
-	int operand1, operand2;
-	char operator = ' ';
-	int result, line, i = 0;
-
-	fp = fopen("read.txt","r");
-	if(fp!=NULL){
-		fscanf(fp, "%d", &line);
-	
-		for(i=0; i<line; i++) {
-			fscanf(fp, "%d %c %d",&operand1, &operator, &operand2);
-			if(feof(fp) == 1)
-				break;
-			switch(operator) {
-				case '+':
-				result = add(operand1, operand2);
-				break;
-				case '-':
-				result = minus(operand1, operand2);
-				break;
-				case '*':
-				result = mul(operand1, operand2);
-				break;
-				case '/':
-				result = div(operand1, operand2);
-				break;
-			}		
-			printf("%d %c %d = %lf\n",
-				 operand1, operator, operand2, (double)result);
-		}
-	}
-	return 0;
-}
-
diff --git a/my_fscanf.c b/my_fscanf.c
new file mode 100755
index 0000000..0989174
--- /dev/null
+++ b/my_fscanf.c
@@ -0,0 +1,79 @@
+#include "my_fscanf.h"
+#include <ctype.h>
+#include <stdarg.h> 
+#include <stdlib.h> 
+#include <string.h> 
+
+void my_fscanf(FILE *fp, const char* format, ...) {
+
+	va_list list;
+	va_start(list, format);
+	int c;
+	void* pVal;
+
+	while (*format) {
+		if (*format == '%') {
+			format++;
+			switch (*format) {
+			case 'd':
+				c = getc(fp);
+				pVal = va_arg(list, int*);
+				*(int*)pVal = 0;
+				while (isdigit(c))
+				{
+					*(int*)pVal = *(int*)pVal * 10 + (c - '0');
+					c = getc(fp);
+				}
+				ungetc(c, fp);
+				break;
+			case 'c':
+				pVal = va_arg(list, char*);
+				c = getc(fp);
+				*(char*)pVal = c;
+				break;
+			case 's':
+				pVal = va_arg(list, char*);
+				((char*)pVal)[0] = 0;
+				c = getc(fp);
+				while (!isspace(c))
+				{
+					strncat((char*)pVal, &c , 1);
+					c = getc(fp);
+				}
+				ungetc(c, fp);
+				break;
+			case 'f':{
+					pVal = va_arg(list, float*);
+					c = getc(fp);
+					*(double*)pVal = 0;
+					while (!isspace(c))
+					{
+						if (c == '.')
+						{
+							c = getc(fp);
+							break;
+						}
+						*(double*)pVal = *(double*)pVal * 10 + (c - '0');
+						c = getc(fp);
+					}
+					int n = 1;
+					while (!isspace(c) && isdigit(c))
+					{
+						*(double*)pVal = *(double*)pVal  + (c - '0') *0.1 *n;
+						c = getc(fp);
+						n++;
+					}
+					ungetc(c, fp);
+					break; 
+				}
+			}
+
+		}
+		else
+			c = getc(fp);
+		format++;
+	}
+
+	va_end(list);
+
+}
diff --git a/my_fscanf.h b/my_fscanf.h
new file mode 100755
index 0000000..e89d55b
--- /dev/null
+++ b/my_fscanf.h
@@ -0,0 +1,6 @@
+#pragma once
+#ifndef MY_FSCANF_H
+#define MY_FSCANF_H
+#include <stdio.h>
+void my_fscanf(FILE *fp, const char *format, ...);
+#endif
\ No newline at end of file
diff --git a/operators.c b/operators.c
deleted file mode 100644
index d39d0db..0000000
--- a/operators.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include "operators.h"
-
-int add(int op1, int op2) {
-	return op1+op2;
-}
-int minus(int op1, int op2) {
-	return op1-op2;
-}
-int mul(int op1, int op2) {
-	return op1*op2;
-}
-
-double div(int op1, int op2) {
-	return (double)op1/op2;
-}
-
diff --git a/operators.h b/operators.h
deleted file mode 100644
index e16bf60..0000000
--- a/operators.h
+++ /dev/null
@@ -1,4 +0,0 @@
-int add(int op1, int op2);
-int mul(int op1, int op2);
-double div(int op1, int op2);
-int minus(int op1, int op2);
diff --git a/points.txt b/points.txt
new file mode 100755
index 0000000..0b3538c
--- /dev/null
+++ b/points.txt
@@ -0,0 +1,6 @@
+4
+point (1.3,2.2)
+point (2.5,3.0)
+point (3.2,4.4)
+point (1.0,5.9)
+ 
\ No newline at end of file
diff --git a/read.txt b/read.txt
deleted file mode 100644
index 3e2bf01..0000000
--- a/read.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-5
-123 + 456
-234 * 234
-143 - 111
-987 / 132