Add a new midend function to reset the tile size to the puzzle's

[sgt-puzzles.git] / midend.c

diff --git a/midend.c b/midend.c
index 41d562aa9e5d18361b27975cd9c9a9a394fa14ca..c36127467b864bb6bc81241d4c4b1efcf01f553b 100644 (file)
--- a/midend.c
+++ b/midend.c
@@ -94,6 +94,29 @@ struct midend {
     } \
 } while (0)
 
+void midend_reset_tilesize(midend *me)
+{
+    me->preferred_tilesize = me->ourgame->preferred_tilesize;
+    {
+        /*
+         * Allow an environment-based override for the default tile
+         * size by defining a variable along the lines of
+         * `NET_TILESIZE=15'.
+         */
+
+       char buf[80], *e;
+       int j, k, ts;
+
+       sprintf(buf, "%s_TILESIZE", me->ourgame->name);
+       for (j = k = 0; buf[j]; j++)
+           if (!isspace((unsigned char)buf[j]))
+               buf[k++] = toupper((unsigned char)buf[j]);
+       buf[k] = '\0';
+       if ((e = getenv(buf)) != NULL && sscanf(e, "%d", &ts) == 1 && ts > 0)
+           me->preferred_tilesize = ts;
+    }
+}
+
 midend *midend_new(frontend *fe, const game *ourgame,
                   const drawing_api *drapi, void *drhandle)
 {
@@ -153,25 +176,7 @@ midend *midend_new(frontend *fe, const game *ourgame,
     else
        me->drawing = NULL;
 
-    me->preferred_tilesize = ourgame->preferred_tilesize;
-    {
-        /*
-         * Allow an environment-based override for the default tile
-         * size by defining a variable along the lines of
-         * `NET_TILESIZE=15'.
-         */
-
-       char buf[80], *e;
-       int j, k, ts;
-
-       sprintf(buf, "%s_TILESIZE", me->ourgame->name);
-       for (j = k = 0; buf[j]; j++)
-           if (!isspace((unsigned char)buf[j]))
-               buf[k++] = toupper((unsigned char)buf[j]);
-       buf[k] = '\0';
-       if ((e = getenv(buf)) != NULL && sscanf(e, "%d", &ts) == 1 && ts > 0)
-           me->preferred_tilesize = ts;
-    }
+    midend_reset_tilesize(me);
 
     sfree(randseed);