From: Rusty Russell <rusty@rustcorp.com.au>
Date: Sat, 18 Jul 2009 08:13:33 +0000 (+0930)
Subject: talloc_free() should take a const void *, a-la free().
X-Git-Url: https://git.ozlabs.org/?p=ccan;a=commitdiff_plain;h=d419d5c947a4191aa5dffdcb7c5142ce58457d3d;hp=3c81225fc0a4fb99d10282ebf11b7ec6ae1eabdd

talloc_free() should take a const void *, a-la free().
---

diff --git a/ccan/talloc/talloc.c b/ccan/talloc/talloc.c
index 1424748e..7a2dfab1 100644
--- a/ccan/talloc/talloc.c
+++ b/ccan/talloc/talloc.c
@@ -819,12 +819,12 @@ void *talloc_named_const(const void *context, size_t size, const char *name)
    will not be freed if the ref_count is > 1 or the destructor (if
    any) returns non-zero
 */
-int talloc_free(void *ptr)
+int talloc_free(const void *ptr)
 {
 	int saved_errno = errno, ret;
 
 	lock(ptr);
-	ret = _talloc_free(ptr);
+	ret = _talloc_free(discard_const_p(void, ptr));
 	unlock();
 	if (ret == 0)
 		errno = saved_errno;
diff --git a/ccan/talloc/talloc.h b/ccan/talloc/talloc.h
index 791c98a2..e38d05b8 100644
--- a/ccan/talloc/talloc.h
+++ b/ccan/talloc/talloc.h
@@ -119,7 +119,7 @@
  * See Also:
  *	talloc_set_destructor, talloc_unlink
  */
-int talloc_free(void *ptr);
+int talloc_free(const void *ptr);
 
 /**
  * talloc_set_destructor: set a destructor for when this pointer is freed