From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Fri, 13 Nov 2020 17:30:29 +0000 (+0200)
Subject: lib: Add data_stack_get_used_size()
X-Git-Tag: 2.3.14.rc1~325
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2aedf5afa713faafd60a39c7f52557c6a8436901;p=thirdparty%2Fdovecot%2Fcore.git

lib: Add data_stack_get_used_size()

Mainly for debugging purposes.
---

diff --git a/src/lib/data-stack.c b/src/lib/data-stack.c
index a408756b78..807d06ffc9 100644
--- a/src/lib/data-stack.c
+++ b/src/lib/data-stack.c
@@ -585,6 +585,16 @@ void data_stack_set_clean_after_pop(bool enable ATTR_UNUSED)
 #endif
 }
 
+size_t data_stack_get_used_size(void)
+{
+	struct stack_block *block;
+	size_t size = 0;
+
+	for (block = current_block; block != NULL; block = block->next)
+		size += current_block->size - current_block->left;
+	return size;
+}
+
 void data_stack_init(void)
 {
 	if (data_stack_initialized) {
diff --git a/src/lib/data-stack.h b/src/lib/data-stack.h
index da8791ef3c..5eb2d5e413 100644
--- a/src/lib/data-stack.h
+++ b/src/lib/data-stack.h
@@ -117,6 +117,9 @@ 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 currently used in data stack. */
+size_t data_stack_get_used_size(void);
+
 void data_stack_init(void);
 void data_stack_deinit(void);