Merge remote-tracking branch 'public/pr/2079' into development-restricted-proposed
diff --git a/ChangeLog b/ChangeLog
index 912473e..214b414 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -58,6 +58,10 @@
      wildcards and non-ASCII characters being unusable in some DN attributes.
      Reported by raprepo in #1860 and by kevinpt in #468.
      Fix contributed by Thomas-Dee in #1641.
+   * Fix compilation failure for configurations which use compile time
+     replacements of standard calloc/free functions through the macros
+     MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_FREE_MACRO.
+     Reported by ole-de and ddhome2006. Fixes #882, #1642 and #1706.
 
 Changes
    * Removed support for Yotta as a build tool.
diff --git a/library/platform.c b/library/platform.c
index b24b2fa..73a6db9 100644
--- a/library/platform.c
+++ b/library/platform.c
@@ -30,7 +30,14 @@
 #include "mbedtls/platform.h"
 #include "mbedtls/platform_util.h"
 
-#if defined(MBEDTLS_PLATFORM_MEMORY)
+/* The compile time configuration of memory allocation via the macros
+ * MBEDTLS_PLATFORM_{FREE/CALLOC}_MACRO takes precedence over the runtime
+ * configuration via mbedtls_platform_set_calloc_free(). So, omit everything
+ * related to the latter if MBEDTLS_PLATFORM_{FREE/CALLOC}_MACRO are defined. */
+#if defined(MBEDTLS_PLATFORM_MEMORY) &&                 \
+    !( defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&        \
+       defined(MBEDTLS_PLATFORM_FREE_MACRO) )
+
 #if !defined(MBEDTLS_PLATFORM_STD_CALLOC)
 static void *platform_calloc_uninit( size_t n, size_t size )
 {
@@ -71,7 +78,9 @@
     mbedtls_free_func = free_func;
     return( 0 );
 }
-#endif /* MBEDTLS_PLATFORM_MEMORY */
+#endif /* MBEDTLS_PLATFORM_MEMORY &&
+          !( defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&
+             defined(MBEDTLS_PLATFORM_FREE_MACRO) ) */
 
 #if defined(_WIN32)
 #include <stdarg.h>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 54c7504..19baf5e 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -712,6 +712,18 @@
 msg "test: MBEDTLS_TEST_NULL_ENTROPY - main suites (inc. selftests) (ASan build)"
 make test
 
+msg "build: MBEDTLS_PLATFORM_{CALLOC/FREE}_MACRO enabled (ASan build)"
+cleanup
+cp "$CONFIG_H" "$CONFIG_BAK"
+scripts/config.pl set MBEDTLS_PLATFORM_MEMORY
+scripts/config.pl set MBEDTLS_PLATFORM_CALLOC_MACRO calloc
+scripts/config.pl set MBEDTLS_PLATFORM_FREE_MACRO   free
+CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
+make
+
+msg "test: MBEDTLS_PLATFORM_{CALLOC/FREE}_MACRO enabled (ASan build)"
+make test
+
 msg "build: default config with AES_FEWER_TABLES enabled"
 cleanup
 cp "$CONFIG_H" "$CONFIG_BAK"