From e7c5382d71339d15f2b96e7ee06e5ef3639df837 Mon Sep 17 00:00:00 2001
From: louie <lshprung@yahoo.com>
Date: Wed, 30 Dec 2020 11:03:02 -0800
Subject: Improved cache.c organization

---
 unix/cache.c | 81 +++++++++++-------------------------------------------------
 1 file changed, 15 insertions(+), 66 deletions(-)

(limited to 'unix/cache.c')

diff --git a/unix/cache.c b/unix/cache.c
index af18077..5aa14bf 100644
--- a/unix/cache.c
+++ b/unix/cache.c
@@ -1,87 +1,36 @@
+#include <assert.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
+//#include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 
 #include "../include/cache.h"
 #include "../include/read_cfg.h"
 
-void save_to_cache(int g_hover, int e_hover, int true_hover, char *cfg_name){
-	FILE *fp;
-	char path[BUF_LEN];
-
+char *get_cache_path(bool create){
+	char *path = malloc(sizeof(char) * BUF_LEN);
 	char *home = getenv("HOME");
 
+	assert(path != NULL);
+
 	if(home == NULL){
 		printf("Failed to save cache data: HOME is not set\n");
-		return;
+		free(path);
+		return NULL;
 	}
 
-	sprintf(path, "%s%c.cache%c", home, sep, sep);
-	mkdir(path, 0755);
-
-	sprintf(path, "%s%c.cache%ctml%c", home, sep, sep, sep);
-	mkdir(path, 0755);
+	//if create is asserted, build the path to the file
+	if(create){
+		sprintf(path, "%s%c.cache%c", home, sep, sep);
+		mkdir(path, 0755);
 
-	sprintf(path, "%s%c.cache%ctml%cdata.bin", home, sep, sep, sep);
-
-	//open cache file for writing
-	fp = fopen(path, "wb");
-	if(fp == NULL){
-		printf("Failed to save cache data: could not open \"%s\"\n", path);
-		return;
-	}
-
-	//write to file
-	fwrite(&g_hover, sizeof(int), 1, fp);
-	fwrite(&e_hover, sizeof(int), 1, fp);
-	fwrite(&true_hover, sizeof(int), 1, fp);
-	fwrite(cfg_name, sizeof(char), BUF_LEN, fp);
-
-	fclose(fp);
-	return;
-}
-
-void load_cache(int *g_hover, int *e_hover, int *true_hover, char *new_cfg_name){
-	FILE *fp;
-	char path[BUF_LEN];
-	char saved_cfg_name[BUF_LEN];
-
-	char *home = getenv("HOME");
-
-	if(home == NULL){
-		printf("Failed to load cached data: HOME is not set\n");
-		return;
+		sprintf(path, "%s%c.cache%ctml%c", home, sep, sep, sep);
+		mkdir(path, 0755);
 	}
 
 	sprintf(path, "%s%c.cache%ctml%cdata.bin", home, sep, sep, sep);
 
-	//open cache file for reading
-	fp = fopen(path, "rb");
-	if(fp == NULL){
-		printf("Failed to load cached data: could not open \"%s\"\n", path);
-		return;
-	}
-
-	//check if cfg_name matches; if not, do not load from cache
-	fseek(fp, sizeof(int) * 3, SEEK_SET);
-	fread(saved_cfg_name, sizeof(char), BUF_LEN, fp);
-
-	if(!(strcmp(saved_cfg_name, new_cfg_name))){
-		fseek(fp, 0, SEEK_SET);
-		fread(g_hover, sizeof(int), 1, fp);
-		fread(e_hover, sizeof(int), 1, fp);
-		fread(true_hover, sizeof(int), 1, fp);
-	}
-
-	else{
-		*g_hover = 0;
-		*e_hover = 0;
-		*true_hover = 0;
-	}
-
-	fclose(fp);
-	return;
+	return path;
 }
-- 
cgit