From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Wed, 31 Mar 2021 10:19:00 +0000 (+0300)
Subject: lib: Add data_stack_get_alloc_size()
X-Git-Tag: 2.3.16~250
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f0180e78850160416b0d3890f1d2b39272b45c8a;p=thirdparty%2Fdovecot%2Fcore.git

lib: Add data_stack_get_alloc_size()
---

diff --git a/src/lib/data-stack.c b/src/lib/data-stack.c
index ccc8d96326..a0d2581dd7 100644
--- a/src/lib/data-stack.c
+++ b/src/lib/data-stack.c
@@ -580,6 +580,18 @@ void data_stack_set_clean_after_pop(bool enable ATTR_UNUSED)
 #endif
 }
 
+size_t data_stack_get_alloc_size(void)
+{
+	struct stack_block *block;
+	size_t size = 0;
+
+	i_assert(current_block->next == NULL);
+
+	for (block = current_block; block != NULL; block = block->prev)
+		size += current_block->size;
+	return size;
+}
+
 size_t data_stack_get_used_size(void)
 {
 	struct stack_block *block;
diff --git a/src/lib/data-stack.h b/src/lib/data-stack.h
index 5eb2d5e413..a4f4980efb 100644
--- a/src/lib/data-stack.h
+++ b/src/lib/data-stack.h
@@ -117,6 +117,8 @@ void t_buffer_alloc_last_full(void);
 /* If enabled, all the used memory is cleared after t_pop(). */
 void data_stack_set_clean_after_pop(bool enable);
 
+/* Returns the number of bytes malloc()ated for data stack. */
+size_t data_stack_get_alloc_size(void);
 /* Returns the number of bytes currently used in data stack. */
 size_t data_stack_get_used_size(void);