hexdump: fix: add hexdump.c and delete binary

src/hexdump.c

@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <ctype.h>
 #include <string.h>
 #include <stdbool.h>
 
@@ -8,12 +9,14 @@ int hexnum = 1; // To put space after every second hex number
 bool canonical = true; // -C flag
 
 int chardump(char *data, int start_of_line, int end_of_line /* to display only 16 chars */) {
-	for (int i=0; i < end_of_line; i++) {
-		if (data[i] == "\0" || data[i] == ' ')
+	printf("|");
+	for (int i=start_of_line; i < end_of_line+1; i++) {
+		if (isprint(data[i]) == 0 || data[i] == '\n' || data[i] == '\0')
 			printf(".");
 		else 
 			printf("%c", data[i]);
 	}
+	printf("|\n");
 	return 0;
 }
 
@@ -22,7 +25,6 @@ int hexdump(char *data) {
 	//printf("%s\n", data); // FIXME
 	int cur_start_of_line = 0;
 	for (int i=0; i < strlen(data); i++) {
-		hexnum++;
 		if (data[i] == '\0') 
 			printf("00");
 		else {
@@ -30,9 +32,10 @@ int hexdump(char *data) {
 				printf("%02x", data[i]);
 			else {
 				printf("%02x ", data[i]);
-				//dumpgroup++;
 			}
 		}
+
+		hexnum++;
 		if (hexnum%2 && hexnum >= 2) {
 			if (!canonical) 
 				printf(" ");
@@ -47,22 +50,25 @@ int hexdump(char *data) {
 		}
 		if (dumpgroup == 2) {
 			dumpgroup = 0;
-		//	printf("|");
-		//	chardump(data, cur_start_of_line, hexnum);
-		//	printf("|");
-		//	cur_start_of_line = i;
-			printf("\n");
+			cur_start_of_line = 0;
+			chardump(data, cur_start_of_line, i);
+			hexnum = 0;
+			cur_start_of_line = i;
 		}
 	}
-	//printf("\n"); // FIXME
 }
 
 int main() {
 	FILE *infile = fopen("../tests/test2.bin", "r");//fopen("test.bin", "r");
-	char data[50];
-	while (fgets(data, 50, infile) != NULL) {
-		hexdump(data);
-	}
+	char data[10000]; // FIXME
+	char ch;
+	int byte = 0; // FIXME
+	while ((ch = fgetc(infile)) != EOF)
+        {
+            data[byte] = ch;
+	    byte++;
+        }
+	hexdump(data);
 	printf("\n"); // FIXME
 	fclose(infile);
 }