diff options
author | louie <lshprung@yahoo.com> | 2020-12-30 11:03:02 -0800 |
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committer | louie <lshprung@yahoo.com> | 2020-12-30 11:03:02 -0800 |
commit | e7c5382d71339d15f2b96e7ee06e5ef3639df837 (patch) | |
tree | f2de46d281532f4b505cbbea4ec3504c9aa98013 /cache.c | |
parent | 9875aaebf2d44c3f38be3c72b0c9c0af9422f8cc (diff) |
Improved cache.c organization
Diffstat (limited to 'cache.c')
-rw-r--r-- | cache.c | 65 |
1 files changed, 65 insertions, 0 deletions
@@ -0,0 +1,65 @@ +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.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 = get_cache_path(true); + + //ensure get_cache_path() did not return NULL + if(path == NULL) return; + + //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(cfg_name, sizeof(char), BUF_LEN, fp); + fwrite(&g_hover, sizeof(int), 1, fp); + fwrite(&e_hover, sizeof(int), 1, fp); + fwrite(&true_hover, sizeof(int), 1, fp); + + fclose(fp); + return; +} + +void load_cache(int *g_hover, int *e_hover, int *true_hover, char *new_cfg_name){ + FILE *fp; + char *path = get_cache_path(false); + char saved_cfg_name[BUF_LEN]; + + //ensure get_cache_path() did not return NULL + if(path == NULL) return; + + //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 + fread(saved_cfg_name, sizeof(char), BUF_LEN, fp); + + if(!(strcmp(saved_cfg_name, new_cfg_name))){ + 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; +} |