Read the habits from file

.gitignore

@@ -1,2 +1,3 @@
 *.out
 *.o
+build/

Makefile

@@ -0,0 +1,16 @@
+all: generate wochabit clean
+
+generate:
+	@echo "Generating binaries"
+	gcc -Wall -c date.c
+	gcc -Wall -c habit.c
+	gcc -Wall -c wochabit.c
+
+wochabit:
+	@echo "Building executable"
+	mkdir -p build
+	gcc -o build/wochabit date.o habit.o wochabit.o
+
+clean:
+	@echo "Cleaning up..."
+	rm *.o

config.h

@@ -20,6 +20,6 @@ static const char FAIL_CHAR[] = "\u2588\u2588\u2588";
 
 // The number of days for habit tracking
 static const int TRACK_LENGTH = 7;
-static const char HABIT_FILE[] = "~/.wochabit";
+static const char HABIT_FILE[] = "/.wochabit";
 
 #endif

constants.h

@@ -16,5 +16,6 @@ static const char COLOR_PREFIX[] = "\033[3%d;1m";
 static const char COLOR_SUFFIX[] = "\033[0m";
 
 static const int DATE_SIZE = 11; // "YYYY-MM-DD\0" = 11 chars
+static const int HABIT_NAME_SIZE = 64; // A habit name shouldn't be that long
 
 #endif

habit.c

@@ -3,33 +3,86 @@
 #include <string.h>
 #include <time.h>
 
+#include "date.h"
 #include "habit.h"
+#include "config.h"
+#include "constants.h"
 
 int
 add_habit(struct habit_tracker *tracker, char *name, int stati)
 {
-	struct habit *first = habit_tracker->first;
+	struct habit *first = tracker->first;
 	struct habit *new_habit;
 	new_habit = malloc(sizeof(struct habit));
 	if (new_habit == NULL) {
 		return -1;
 	}
 	new_habit->stati = stati;
-	new_habit->name = name;
+	new_habit->name = strdup(name);
 	new_habit->next = first;
 
-	habit_tracker->first = new_habit;
+	tracker->first = new_habit;
 	return 0;
 }
 
 int
 habit_from_file(struct habit_tracker *tracker, FILE *fp)
 {
-	int stat_buf;
-	char *ptr, *endptr;
-	char linebuf[HABIT_NAME_SIZE];
+	char linebuf[HABIT_NAME_SIZE + 8];
+	char date[DATE_SIZE];
+	int stati;
+	char name[HABIT_NAME_SIZE];
+	int first = 1;
 
 	tracker->first = NULL;
-	if 
+	tracker->size = 0;
+	while(fgets(linebuf, HABIT_NAME_SIZE, fp)) {
+		if (first) {
+			sscanf(linebuf, "%s\n", &date);
+			tracker->date = strdup(date);
+			first = 0;
+			continue;
+		}
+		sscanf(linebuf, "%d\t%[^\t\n]", &stati, &name);
+		add_habit(tracker, name, stati);
+		++(tracker->size);
+	}
 	return 0;
 }
+
+void
+print_status(int status)
+{
+	if (status) {
+		printf(COLOR_PREFIX, DONE_COLOR);
+		printf(DONE_CHAR);
+	} else {
+		printf(COLOR_PREFIX, FAIL_COLOR);
+		printf(FAIL_CHAR);
+	}
+	printf(COLOR_SUFFIX);
+}
+
+void
+print_habit(int habit)
+{
+	for (int i = 0; i < TRACK_LENGTH; ++i) {
+		int status = habit % 2;
+		print_status(status);
+		habit >>= 1;
+	}
+}
+
+void
+print_habits(struct habit_tracker *tracker)
+{
+	struct habit *current = tracker->first;
+	printf("%s\n", tracker->date);
+	print_days();
+
+	for (int i = 0; i < tracker->size && current != NULL; ++i) {
+		print_habit(current->stati);
+		printf(" (%d) %s\n", i, current->name);
+		current = current->next;
+	}
+}

habit.h

@@ -1,18 +1,24 @@
-const int HABIT_NAME_SIZE = 64; // A habit name shouldn't be that long
+#ifndef HABIT_H
+#define HABIT_H
 
 struct habit {
 	int stati; // Plural of status :)
-	char name;
+	char *name;
 	struct habit *prev;
 	struct habit *next;
-}
+};
 
 struct habit_tracker {
-	char date[DATE_SIZE];
+	char *date;
 	int size;
 	struct habit *first;
-}
+};
 
 int add_habit(struct habit_tracker *tracker, char *name, int stati);
 int del_habit(struct habit_tracker *tracker, int position);
 int habit_from_file(struct habit_tracker *tracker, FILE *fp);
+
+void print_status(int status); // Print the status for a day of a habit
+void print_habit(int habit); // Print the habit stati during the tracked duration
+void print_habits(struct habit_tracker *tracker);
+#endif

wochabit.c

@@ -18,66 +18,27 @@
   * */
 #include <errno.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <time.h>
 
 #include "constants.h"
 #include "config.h"
 #include "date.h"
+#include "habit.h"
 
-void print_status(int status); // Print the status for a day of a habit
-void print_habit(int habit); // Print the habit stati during the tracked duration
- // Like print_habit, but for all habits from the tracker file
-void print_habits(const char *fname);
-
-void
-print_status(int status)
-{
-	if (status) {
-		printf(COLOR_PREFIX, DONE_COLOR);
-		printf(DONE_CHAR);
-	} else {
-		printf(COLOR_PREFIX, FAIL_COLOR);
-		printf(FAIL_CHAR);
-	}
-	printf(COLOR_SUFFIX);
-}
-
-void
-print_habit(int habit)
-{
-	for (int i = 0; i < TRACK_LENGTH; ++i) {
-		int status = habit % 2;
-		print_status(status);
-		habit >>= 1;
-	}
-	printf("\n");
-}
-
-void
-print_habits(const char *fname)
-{
-	FILE *fp;
-	char date_buf[DATE_SIZE];
-	fp = fopen(fname, "r");
-	if (fp == NULL) {
-		fprintf(stderr, "Cannot read file %s: %s", fname,
-				strerror(errno));
-	}
-}
 
 int
 main(int argc, char *argv[]){
-	print_habit(5);
-	print_habit(49);
-	print_habit(1 << TRACK_LENGTH - 2);
-	print_days();
-	struct tm date = parse_date("2020-11-19");
-	printf("%d\n", date.tm_year);
-	printf("%d\n", date.tm_mon);
-	printf("%d\n", date.tm_mday);
-	int diff = get_day_diff(&date);
-	printf("%d\n", diff);
-	printf("Bye\n");
+	struct habit_tracker tracker;
+	FILE *fp;
+	char *fname;
+	fname = malloc(strlen(getenv("HOME")) + strlen(HABIT_FILE) + 1);
+	strcpy(fname, getenv("HOME"));
+	strcat(fname, HABIT_FILE);
+	fp = fopen(fname, "r");
+	habit_from_file(&tracker, fp);
+	fclose(fp);
+	print_habits(&tracker);
 	return 0;
 }