coderarjob
diff --git a/‎bar.c
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+69Lines changed: 69 additions & 0 deletions b/‎bar.c
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+69Lines changed: 69 additions & 0 deletions
diff --git a/‎bar.h
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+20Lines changed: 20 additions & 0 deletions b/‎bar.h
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+20Lines changed: 20 additions & 0 deletions
diff --git a/‎demo.c
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+37Lines changed: 37 additions & 0 deletions b/‎demo.c
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+37Lines changed: 37 additions & 0 deletions
@@ -0,0 +1,69 @@
+#include<stdio.h>
+#include<stddef.h> // for NULL
+#include<stdlib.h> // for malloc,atoi
+#include<string.h> // for strlen
+#include<sys/ioctl.h> // for ioctl
+#include"bar.h"
+
+#define STDOUT 0
+
+static char *bar; 
+static int columns;
+
+char blankChar = '-';
+char filledChar = '=';
+char leftChar = '[';
+char rightChar = ']';
+
+static int getNeededColumnCount()
+{
+	struct winsize w;
+	ioctl(STDOUT,TIOCGWINSZ,&w);
+
+	return w.ws_col;
+}
+
+static void bar_init()
+{
+	columns = getNeededColumnCount();
+
+	//create the bar
+	int totalsize = columns * 2;
+
+	// free the bar before creating a new one.
+	if (bar != NULL) free(bar);
+	bar = malloc(sizeof(char) * totalsize);
+	
+	// Fill in the chareacters into the buffer
+	char c = blankChar;
+	while(--totalsize)
+	{
+		if (totalsize == (columns -1))
+			c = filledChar;
+		bar[totalsize] = c;
+	}
+}
+
+void print_progressbar(float progress,char *left_text,char *right_text)
+{
+	int index,artifact_strlen,bar_length;
+	artifact_strlen = (leftChar == '\0')? 0:1;
+	artifact_strlen += (rightChar == '\0')? 0:1;
+	artifact_strlen += strlen(left_text);
+	artifact_strlen += strlen(right_text);
+	
+	int current_columns = getNeededColumnCount();
+	if (current_columns > columns){
+		bar_init();
+	}
+
+	bar_length = current_columns - artifact_strlen;
+	index = columns - (progress * bar_length);
+	printf("%s%c%.*s%c%s\r",left_text,
+			leftChar,
+			bar_length,
+			&bar[index],
+			rightChar,
+			right_text);
+	fflush(stdout);
+}
@@ -0,0 +1,20 @@
+#ifndef _PROGRESS_BAR_H
+#define _PROGRESS_BAR_H
+
+// In order to customize the progress bar set these variables in your program 
+// (before the first use of print_progressbar function.)
+
+// Default values:
+// *  blankChar = '-'
+// *  filledChar = '='
+// *  leftChar = '['
+// *  rightChar = ']'
+
+extern char blankChar; 		// makes the yet to be filled part of the bar.
+extern char filledChar; 	// makes the filled part of the progress bar.
+extern char leftChar; 		// left boundary char of the progress bar.
+extern char rightChar; 		// right boundary char of the progress bar.
+
+void print_progressbar(float progress,char *left_text,char *right_text);
+
+#endif // _PROGRESS_BAR_H
@@ -0,0 +1,37 @@
+/*
+* This is a demostration of the progressbar.
+* Author: Arjob Mukherjee (arjobmukherjee@gmail.com)
+* Date: 12 Jan 2019
+*/
+
+#include<stdio.h>
+#include<unistd.h> // for sleep
+#include"bar.h"
+
+#define PROGRESS_BAR_SETUP() blankChar = '-'; \
+							 filledChar = '#'; \
+							 leftChar = '\0'; \
+							 rightChar = '\0'
+
+int main()
+{
+	// Customizes the progress bar. Uncomment to see the effect.
+	//PROGRESS_BAR_SETUP();
+
+	char right_text[10], left_text[100];
+	float progress = 0.0;
+
+	sprintf(left_text,"%-50s ","Progress:");
+
+	for(;;){
+		sprintf(right_text,"%6.1f%%",progress * 100);
+		print_progressbar(progress,left_text,right_text);
+		progress += 0.1f;
+		if (progress > 1.0){
+			printf("\n");
+			progress = 0;
+		}
+		sleep(1);
+	}
+	return 0;
+}