add more redundancy

2 files changed, 25 insertions, 4 deletions

diff --git a/src/load.c b/src/load.c
index 526592e..733ad4d 100644
--- a/src/load.c
+++ b/src/load.c
@@ -69,6 +69,17 @@ uint8_t read_int8(FILE *f)
     return n;
 }
 
+/* this is SLOWWW, but who cares? :P */
+size_t ck_read(char *buf, size_t sz, size_t nmemb, FILE* f)
+{
+    for(size_t i = 0 ; i < sz * nmemb; ++i)
+    {
+        buf[i] = read_int8(f);
+    }
+
+    return nmemb;
+}
+
 void load_portfolio(struct player_t *player, const char *filename)
 {
     printf("Loading portfolio...\n");
@@ -84,7 +95,7 @@ void load_portfolio(struct player_t *player, const char *filename)
     FILE *f = fopen(filename, "rb");
 
     char magic[6];
-    if(!f || fread(magic, 1, sizeof(magic), f) != 6 || memcmp(magic, "PORTv2", sizeof(magic)) != 0)
+    if(!f || ck_read(magic, 1, sizeof(magic), f) != 6 || memcmp(magic, "PORTv2", sizeof(magic)) != 0)
     {
         printf("FATAL: Failed to load save.\n");
         exit(EXIT_FAILURE);
@@ -105,7 +116,7 @@ void load_portfolio(struct player_t *player, const char *filename)
 
         uint64_t symlen = read_be64(f);
         char *sym = malloc(symlen + 1);
-        if(fread(sym, symlen + 1, 1, f) != 1)
+        if(ck_read(sym, symlen + 1, 1, f) != 1)
         {
             printf("FATAL: Save is corrupted (symbol too short).\n");
             exit(EXIT_FAILURE);
diff --git a/src/save.c b/src/save.c
index 48dd069..debe610 100644
--- a/src/save.c
+++ b/src/save.c
@@ -53,6 +53,16 @@ static bool write_int8(FILE *f, uint8_t n)
     return true;
 }
 
+size_t ck_write(const char *buf, size_t sz, size_t nmemb, FILE *f)
+{
+    for(size_t i = 0 ; i < sz * nmemb; ++i)
+    {
+        write_int8(f, buf[i]);
+    }
+
+    return nmemb;
+}
+
 void save_handler(struct player_t *player)
 {
     printf("Enter the file to save your portfolio in: ");
@@ -67,7 +77,7 @@ void save_handler(struct player_t *player)
     cksum = 0;
 
     const char *magic = "PORTv2";
-    fwrite(magic, strlen(magic), 1, f);
+    ck_write(magic, strlen(magic), 1, f);
 
     write_be64(f, player->cash.cents);
 
@@ -77,7 +87,7 @@ void save_handler(struct player_t *player)
 
         write_be64(f, strlen(stock->symbol));
 
-        fwrite(stock->symbol, strlen(stock->symbol) + 1, 1, f);
+        ck_write(stock->symbol, strlen(stock->symbol) + 1, 1, f);
 
         write_be64(f, stock->count);