From 4fac0b884665c67e840cc53f90eaae583729932c Mon Sep 17 00:00:00 2001
From: dam <dam@gudinoff>
Date: Sun, 27 Nov 2022 02:54:17 +0000
Subject: Review code for usage of ptrdiff_t - WIP.

---
 main.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/main.c b/main.c
index 87d8f31..a9e76a9 100644
--- a/main.c
+++ b/main.c
@@ -35,7 +35,7 @@
 #include <sys/types.h>
 #include <time.h>
 
-#define VERSION				"1.0"	// Use only 3 chars (to fit layouts).
+#define VERSION				"0.01"	// Use only 3 chars (to fit layouts).
 #define TASK_NAME_LENGTH	57		// Task name length.
 #define TASK_NAME_BYTES		(TASK_NAME_LENGTH+1)
 #define FIRST_DAY_OF_WEEK	1		// (0-6, Sunday = 0).
@@ -52,6 +52,7 @@ typedef struct {
 } task_st;
 
 typedef struct {
+	// TODO Validate usage of size_t and ptrdiff_t variables.
 	task_st		*tasks;
 	size_t		count;			// Will always be equal or less than capacity.
 	size_t		capacity;		// Will always be equal or less than PTRDIFF_MAX (see MAX_DATABASE_TASKS).
@@ -357,7 +358,7 @@ bool delete_task(database_st *db, task_st *task) {
 	db->count--;
 	
 	// Adjust selected task.
-	if (db->selected_task >= db->count) { // TODO Can we compare ptrdiff_t with size_t?
+	if (db->selected_task >= db->count) {
 		db->selected_task--;
 	}
 	
@@ -394,7 +395,7 @@ bool move_task(database_st *db, task_st *task, size_t target) {
 	assert(target >= 0 && target < db->count);
 	
 	// Move tasks after the index position to their new positions.
-	ptrdiff_t index = task - db->tasks;
+	ptrdiff_t index = task - db->tasks; // TODO WIP (validate ptrdiff_t variables)
 	task_st *target_task = &db->tasks[target];
 	ptrdiff_t target_index = target_task - db->tasks;
 	
@@ -427,7 +428,7 @@ bool move_task(database_st *db, task_st *task, size_t target) {
 	
 	db->selected_task = target_index;
 	
-	return true; // TODO
+	return true;
 }
 
 // Updates the times on the active task (and adjusts database totals).
@@ -812,7 +813,7 @@ void initialize_tui() {
 	layouts[L_COMPACT] = (layout_st) {
 		.archive_title = " Archive ",
 		.columns = {
-			{	.header = " TTT v" VERSION " ",	.width = -1,	.alignment = 'L'	},
+			{	.header = " TTT " VERSION " ",	.width = -1,	.alignment = 'L'	},
 			{	.header = " S ",		.width = 5,		.alignment = 'C'	},
 			{	.header = " M ",		.width = 5,		.alignment = 'C'	},
 			{	.header = " T ",		.width = 5,		.alignment = 'C'	},
@@ -1531,7 +1532,7 @@ int main(int argc, char *argv[]) {
 				size_t target = input < 0 ? 0 :
 					input >= db->count ? db->count - 1 :
 					input;
-				move_task(db, selected_task, target);
+				move_task(db, selected_task, target); // TODO Error checking.
 				
 				trigger_autosave();
 				
-- 
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