From: Andreas Schlick <ioerror@lavabit.com>
Date: Thu, 17 Feb 2011 21:58:44 +0000 (+0100)
Subject: opt: Add a function to free the internal memory.
X-Git-Url: http://git.ozlabs.org/?p=ccan;a=commitdiff_plain;h=6a6f64f541e5d09162e0ba8814e04feb13ff5e8f;hp=641d492d77d4248d4dac1e38635498b4e438fa7b

opt: Add a function to free the internal memory.
---

diff --git a/ccan/opt/opt.c b/ccan/opt/opt.c
index 8f677400..f05d125f 100644
--- a/ccan/opt/opt.c
+++ b/ccan/opt/opt.c
@@ -201,6 +201,12 @@ bool opt_parse(int *argc, char *argv[], void (*errlog)(const char *fmt, ...))
 	return (ret == 0);
 }
 
+void opt_free_table(void)
+{
+	free(opt_table);
+	opt_table=0;
+}
+
 void opt_log_stderr(const char *fmt, ...)
 {
 	va_list ap;
diff --git a/ccan/opt/opt.h b/ccan/opt/opt.h
index 0748fe6a..57577785 100644
--- a/ccan/opt/opt.h
+++ b/ccan/opt/opt.h
@@ -183,6 +183,14 @@ void opt_register_table(const struct opt_table *table, const char *desc);
  */
 bool opt_parse(int *argc, char *argv[], void (*errlog)(const char *fmt, ...));
 
+/**
+ * opt_free_table - free the table.
+ *
+ * This frees the internal memory. Call this as the last
+ * opt function.
+ */
+void opt_free_table(void);
+
 /**
  * opt_log_stderr - print message to stderr.
  * @fmt: printf-style format.