From 7578a9d04b666cff3f02aa2d2c1b2cce8a3d3939 Mon Sep 17 00:00:00 2001
From: kartofen <mladenovnasko0@gmail.com>
Date: Fri, 11 Nov 2022 00:24:24 +0200
Subject: add bigger stack fix

---
 src/main.c | 45 ++++++++++++++++++++++++++++++++-------------
 1 file changed, 32 insertions(+), 13 deletions(-)

(limited to 'src/main.c')

diff --git a/src/main.c b/src/main.c
index 8b412ca..e6974a0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,33 +1,52 @@
-// ----------------- OPTIONS ----------------- //
-#define FILE_PATH "files/in.txt"
+#define WALK_LEN 200
+// #define FILE_PATH "files/in.txt"
+#define FILE_PATH "files/shakespeare.txt"
 // #define FILE_PATH "files/south-park-the-aristocrats.txt"
-#define WALK_LEN 100000
-
-#define PRINT_CHAIN
-#define PRINT_ITEM_FREQUENCY
-// #define PRINT_ON_WALK
-// #define SAVE_TO_FILE_ON_WALK "out.txt"
-// --------------- END OPTIONS --------------- //
+// #define PRINT_CHAIN
+// #define PRINT_ITEM_FREQUENCY
+#define PRINT_ON_WALK
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <time.h>
 
-#define ITEM_CAP 1024
-int ITEMS = 0;
+#define ITEM_CAP 4000
+#include "markov.h"
 
+int ITEMS = 0;
 double chain[ITEM_CAP][ITEM_CAP] = {0};
 char item_names[ITEM_CAP][64] = {0};
 
-#include "markov.h"
+void set_stack();
 
 int main(void)
 {
+    set_stack();
+
     srand(time(NULL));
     generate_chain();
+    take_walk();
 
 #ifdef PRINT_CHAIN
     print_chain();
 #endif
-    take_walk();
     return 0;
 }
+
+// for stack
+#include <sys/resource.h>
+void set_stack()
+{
+    const rlim_t kStackSize = 64L * 1024L * 1024L;   // min stack size = 64 Mb
+    struct rlimit rl;
+    int result;
+
+    if(getrlimit(RLIMIT_STACK, &rl) == 0) {
+        if (rl.rlim_cur < kStackSize) {
+            rl.rlim_cur = kStackSize;
+
+            if((result = setrlimit(RLIMIT_STACK, &rl)) != 0)
+                fprintf(stderr, "setrlimit returned result = %d\n", result);
+        }
+    }
+}
-- 
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