Check for memory allocation errors.

1 files changed, 24 insertions, 7 deletions

diff --git a/main.c b/main.c
index 6b4c35a..9c88459 100644
--- a/main.c
+++ b/main.c
@@ -573,10 +573,15 @@ bool load_database(database_st *db, const char *path) {
 	// Read database structure.
 	fread(db, SIZEOF_DATABASE_ST, 1, file);
 	
-	// Restore database capacity.
-	db->tasks = malloc(db->capacity * SIZEOF_TASK_ST);
+	// Reserve database capacity for tasks.
+	size_t capacity_bytes = db->capacity * SIZEOF_TASK_ST;
+	db->tasks = malloc(capacity_bytes);
+	if (db->tasks == NULL && capacity_bytes > 0) {
+		fprintf(stderr, "Failed to allocate memory while loading database: %s.\n", strerror(errno));
+		return false;
+	}
 	
-	// Read database entries.
+	// Read database tasks.
 	fread(db->tasks, SIZEOF_TASK_ST, db->count, file);
 	
 	// Make sure we are reading all the file.
@@ -1062,7 +1067,10 @@ bool initialize_app_folder() {
 	{
 		temp_size = strlen(home_path) + 1 + strlen(APP_FOLDER_NAME) + 1; // Add space for folder separator and '\0'.
 		app_folder = malloc(temp_size);
-		// TODO Check malloc result.
+		if (app_folder == NULL && temp_size > 0) {
+			fprintf(stderr, "Failed to allocate memory for app folder: %s.\n", strerror(errno));
+			return false;
+		}
 		snprintf(app_folder, temp_size, "%s/%s", home_path, APP_FOLDER_NAME);
 		
 		// Create app folder.
@@ -1075,20 +1083,29 @@ bool initialize_app_folder() {
 	else {
 		temp_size = 3;
 		app_folder = malloc(temp_size);
-		// TODO Check malloc result.
+		if (app_folder == NULL && temp_size > 0) {
+			fprintf(stderr, "Failed to allocate memory for app folder: %s.\n", strerror(errno));
+			return false;
+		}
 		snprintf(app_folder, temp_size, "./");
 	}
 	
 	// Set database file path.
 	temp_size = strlen(app_folder) + 1 + strlen(DB_FILE_NAME) + 1; // Add space for folder separator and '\0'.
 	db_file_path = malloc(temp_size);
-	// TODO Check malloc result.
+	if (db_file_path == NULL && temp_size > 0) {
+		fprintf(stderr, "Failed to allocate memory for database file path: %s.\n", strerror(errno));
+		return false;
+	}
 	snprintf(db_file_path, temp_size, "%s/%s", app_folder, DB_FILE_NAME);
 	
 	// Set archive file path.
 	temp_size = strlen(app_folder) + 1 + strlen(AR_FILE_NAME) + 1; // Add space for folder separator and '\0'.
 	ar_file_path = malloc(temp_size);
-	// TODO Check malloc result.
+	if (ar_file_path == NULL && temp_size > 0) {
+		fprintf(stderr, "Failed to allocate memory for archive file path: %s.\n", strerror(errno));
+		return false;
+	}
 	snprintf(ar_file_path, temp_size, "%s/%s", app_folder, AR_FILE_NAME);
 	
 	return true;