opt: Add a function to free the internal memory.

diff --git a/ccan/opt/opt.c b/ccan/opt/opt.c
index 8f67740036e7e5c5ac53bb3c2abe8d5a9ccc7fce..f05d125fc828dda1e647a49788d5ccb1ac5b5d05 100644 (file)
--- 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);
 }
 
        return (ret == 0);
 }
 

+void opt_free_table(void)
+{
+       free(opt_table);
+       opt_table=0;
+}
+

 void opt_log_stderr(const char *fmt, ...)
 {
        va_list ap;
 void opt_log_stderr(const char *fmt, ...)
 {
        va_list ap;

diff --git a/ccan/opt/opt.h b/ccan/opt/opt.h
index 0748fe6a7f0694f831ea94c85439d1a0ba65cc76..5757778577e2079b31641f176dd6976fe11c4d3d 100644 (file)
--- 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, ...));
 
  */
 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.
 /**
  * opt_log_stderr - print message to stderr.
  * @fmt: printf-style format.