bfck Brainfuck interpreter with breakpoint support
	git clone https://noxz.tech/git/bfck.git
	bfck

commit: ce8cba0c158fab9fbaa5afc4e952e9fdd717db98
parent: 36fae0a9fab3e39356f26cd136b3874f98ac56bf
author: Chris Noxz <chris@noxz.tech>
date:   Sun, 15 Sep 2019 11:19:03 +0200

Move freeing of `cols` and remove some redundancy

diff --git a/bfck.c b/bfck.c
@@ -158,13 +158,14 @@ run()
             break;
         }
     }
+    free(cols);
 }
 
 void
 load(const char *fn)
 {
     int b, n = 0;
-    char buf[1024], *p = 0;
+    char buf[1024];
     FILE *f = NULL;
 
     if (!(f = fopen(fn, "r")))
@@ -172,12 +173,11 @@ load(const char *fn)
 
     while (!feof(f)) {
         b = fread(buf, 1, sizeof buf, f);
-        if (!(p = (char *)realloc(p, (n += b) + 1)))
+        if (!(bf = (char *)realloc(bf, (n += b) + 1)))
             exit(1);
-        memcpy(p + n - b, buf, b);
+        memcpy(bf + n - b, buf, b);
     }
     fclose(f);
-    bf = p;
 }
 
 int
@@ -185,5 +185,4 @@ main(int argc, char *argv[])
 {
     load(argv[1]);
     run();
-    free(cols);
 }