minor bug fixes

1 files changed, 7 insertions, 3 deletions

diff --git a/src/gen_tiles.c b/src/gen_tiles.c
index de07f30..f7e030e 100644
--- a/src/gen_tiles.c
+++ b/src/gen_tiles.c
@@ -90,15 +90,19 @@ void save(small_t *t, small_t *c, int n, int i)
     fwrite(&connections, sizeof(connections), 1, fp);
 }
 
-void gen_rotations()
+void gen()
 {
     mkdir("files", S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
     mkdir("files/tiles", S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
 
     fp = fopen("files/tiles/tiles.dat", "wb");
+    if(!fp) {
+        fprintf(stderr, "ERROR: Could not open file files/tiles/tiles.dat");
+        exit(EXIT_FAILURE);
+    }
 
     size_t tiles_sz = sizeof(tiles_to_load)/sizeof(int);
-    fwrite(&tiles_sz, sizeof(size_t), sizeof(size_t), fp);
+    fwrite(&tiles_sz, sizeof(size_t), 1, fp);
 
     char syms[TILE_TYPES];
     size_t sym_sz = 0;
@@ -118,6 +122,6 @@ void gen_rotations()
 
 int main(void)
 {
-    gen_rotations();
+    gen();
     return 0;
 }