From 0a54247652e49ce384dcf0d8df078201aa106089 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Wed, 31 Aug 2022 12:49:29 -0400
Subject: Add QUtil::get_max_memory_usage for testing

---
 libqpdf/CMakeLists.txt | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'libqpdf/CMakeLists.txt')

diff --git a/libqpdf/CMakeLists.txt b/libqpdf/CMakeLists.txt
index cf807f6d..106292a3 100644
--- a/libqpdf/CMakeLists.txt
+++ b/libqpdf/CMakeLists.txt
@@ -375,6 +375,29 @@ int main(int argc, char* argv[]) {
   endif()
 endfunction()
 
+check_c_source_compiles(
+"#include <malloc.h>
+#include <stdio.h>
+int main(int argc, char* argv[]) {
+    malloc_info(0, stdout);
+    return 0;
+}"
+    HAVE_MALLOC_INFO)
+
+check_c_source_compiles(
+"#include <stdio.h>
+#include <stdlib.h>
+int main(int argc, char* argv[]) {
+    char* buf;
+    size_t size;
+    FILE* f;
+    f = open_memstream(&buf, &size);
+    fclose(f);
+    free(buf);
+    return 0;
+}"
+    HAVE_OPEN_MEMSTREAM)
+
 qpdf_check_ll_fmt("%lld" fmt_lld)
 qpdf_check_ll_fmt("%I64d" fmt_i64d)
 qpdf_check_ll_fmt("%I64lld" fmt_i64lld)
-- 
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