1 file changed, 20 insertions, 0 deletions
diff --git a/source/config.h b/source/config.h
index 30cf74d..b6dfa2b 100644
--- a/source/config.h
+++ b/source/config.h
@@ -10,9 +10,29 @@
 typedef void (*config_file_value_fn)(const char *name, const char *value);
 
 /*
+ * Where the setting being applied was written, for a warning about it to name.
+ * The file is NULL while no config file is being read.
+ */
+struct config_origin {
+	const char *file;
+	int line;
+};
+
+extern struct config_origin config_origin;
+
+/*
  * Returns 0, or an errno value when filename could not be opened or read. A
  * missing file is ordinary for some callers, so reporting one is left to them.
+ * filename has to stay as it is until the parse returns, since a warning about
+ * a setting in the file names it.
  */
 extern int config_file_parse(const char *filename, config_file_value_fn fn);
 
+/*
+ * Read value as atoi does, which is what a number in cgitrc has always meant,
+ * and warn on stderr when it is not a plain whole number, since atoi turns a
+ * word such as "yes" into 0 without a sound.
+ */
+extern int config_int(const char *name, const char *value);
+
 #endif // CGIT_CONFIG_H