X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;ds=sidebyside;f=mnemon.c;h=f869993061de67ad9332bbe3b77a8753ab882310;hb=e213a74c688dc475578348ac5e0e438055d11311;hp=3dee0347e153c5e2a5c00f93d717f57605fd787d;hpb=3c887fd06a0a6790db978d13df4cc73f6d5b75b0;p=mnemon

diff --git a/mnemon.c b/mnemon.c
index 3dee034..f869993 100644
--- a/mnemon.c
+++ b/mnemon.c
@@ -1,9 +1,10 @@
-/*
- * Copyright © 2006 Carl Worth
+/* mnemon - A memory training library
+ *
+ * Copyright © 2006,2011 Carl Worth
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
+ * the Free Software Foundation; either version 3, or (at your option)
  * any later version.
  *
  * This program is distributed in the hope that it will be useful,
@@ -16,6 +17,8 @@
  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA."
  */
 
+#include "mnemon.h"
+
 /* for asprintf */
 #define _GNU_SOURCE
 #include <stdio.h>
@@ -26,6 +29,7 @@
 
 #include <sys/types.h>
 #include <sys/time.h>
+#include <sys/stat.h>
 #include <unistd.h>
 #include <dirent.h>
 #include <errno.h>
@@ -41,6 +45,8 @@ do {					\
     assert (NOT_REACHED);		\
 } while (0)
 
+#define unused(foo) foo __attribute__((unused))
+
 typedef int bool_t;
 
 typedef struct _item {
@@ -49,12 +55,12 @@ typedef struct _item {
     char *response;
 } item_t;
 
-typedef struct _bin {
+struct _bin {
     int score;
     int items_size;
     int num_items;
     item_t **items;
-} bin_t;
+};
 
 typedef enum {
     CATEGORY_ORDER_RANDOM,
@@ -69,7 +75,7 @@ typedef enum {
     CHALLENGE_TYPE_TEXT_TO_SPEECH
 } challenge_type_t;
 
-typedef struct _category {
+struct _category {
     char *name;
     int items_size;
     int num_items;
@@ -84,24 +90,7 @@ typedef struct _category {
     challenge_type_t challenge_type;
     /* Whether to repeat afterwards (for a little extra reinforcement) */
     bool_t repeat;
-} category_t;
-
-typedef struct _mnemon {
-    char *dir_name;
-
-    int categories_size;
-    int num_categories;
-    category_t *categories;
-
-    int bins_size;
-    int num_bins;
-    bin_t *bins;
-
-    int to_introduce;
-    int to_master;
-    int unlearned;
-    int mastered;
-} mnemon_t;
+};
 
 static void *
 xmalloc (size_t size)
@@ -407,7 +396,7 @@ bin_num_items_matching (bin_t			*bin,
     return num_items;
 }
 
-static void
+void
 mnemon_init (mnemon_t *mnemon)
 {
     char *home;
@@ -432,7 +421,7 @@ mnemon_init (mnemon_t *mnemon)
     mnemon->mastered = -1;
 }
 
-static void
+void
 mnemon_fini (mnemon_t *mnemon)
 {
     int i;
@@ -576,7 +565,7 @@ trim_space (char *string)
     return string;
 }
 
-static void
+void
 mnemon_load_category (mnemon_t		*mnemon,
 		      const char	*name)
 {
@@ -588,6 +577,7 @@ mnemon_load_category (mnemon_t		*mnemon,
     char *path;
     category_t *category;
     int i;
+    struct stat st;
 
     path = xmalloc (strlen (mnemon->dir_name) + 1 + strlen (name) + 1);
     sprintf (path, "%s/%s", mnemon->dir_name, name);
@@ -599,6 +589,12 @@ mnemon_load_category (mnemon_t		*mnemon,
 	exit (1);
     }
 
+    fstat (fileno(file), &st);
+    if (! S_ISREG(st.st_mode)) {
+	fprintf (stderr, "Error: File %s is not a regular file.\n", path);
+	exit (1);
+    }
+
     category = mnemon_get_category (mnemon, name);
 
 #define READ_LINE do {					\
@@ -740,7 +736,7 @@ mnemon_load_category (mnemon_t		*mnemon,
     }
 }
 
-static void
+void
 mnemon_load (mnemon_t *mnemon)
 {
     DIR *dir;
@@ -769,7 +765,7 @@ mnemon_load (mnemon_t *mnemon)
     closedir (dir);
 }
 
-static void
+void
 mnemon_save (mnemon_t *mnemon)
 {
     int i, err;
@@ -908,7 +904,7 @@ mnemon_item_in_category_of_length (void *closure, item_t *item)
     item_in_category_of_length_closure_t *iicolc = closure;
     mnemon_t *mnemon = iicolc->mnemon;
     category_t *category = iicolc->category;
-    int length = iicolc->length;
+    unsigned int length = iicolc->length;
 
     if (mnemon_item_category (mnemon, item) != category)
 	return 0;
@@ -1001,7 +997,7 @@ print_histogram_bar (double	size,
     printf ("\n");
 }
 
-static void
+void
 mnemon_print_histogram (mnemon_t    *mnemon,
 			const char  *category_name,
 			int	     length)
@@ -1228,7 +1224,8 @@ mnemon_show_challenge (mnemon_t *mnemon,
 }
 
 static void
-mnemon_hide_challenge (mnemon_t *mnemon, challenge_type_t challenge_type)
+mnemon_hide_challenge (unused (mnemon_t *mnemon),
+		       challenge_type_t challenge_type)
 {
     char * command;
 
@@ -1243,7 +1240,7 @@ mnemon_hide_challenge (mnemon_t *mnemon, challenge_type_t challenge_type)
     free (command);
 }
 
-static void
+void
 mnemon_do_challenges (mnemon_t *mnemon)
 {
     bin_t *bin;
@@ -1337,34 +1334,3 @@ mnemon_do_challenges (mnemon_t *mnemon)
 	     mnemon->unlearned ||
 	     mnemon->to_master > 0);
 }
-
-int
-main (int argc, char *argv[])
-{
-    mnemon_t mnemon;
-    char *response;
-
-    srand (time (NULL));
-
-    mnemon_init (&mnemon);
-
-    mnemon_load (&mnemon);
-
-    mnemon_do_challenges (&mnemon);
-
-    mnemon_save (&mnemon);
-
-    mnemon_fini (&mnemon);
-
-    mnemon_init (&mnemon);
-    mnemon_load (&mnemon);
-
-    printf ("Great job.\nHere are your current results:\n");
-    mnemon_print_histogram (&mnemon, NULL, 0);
-    response = readline ("Press enter to quit.\n");
-    free (response);
-
-    mnemon_fini (&mnemon);
-
-    return 0;
-}