diff --git a/library/platform_util.c b/library/platform_util.c
index 3c3ebca..34fee33 100644
--- a/library/platform_util.c
+++ b/library/platform_util.c
@@ -20,10 +20,11 @@
 
 /*
  * Ensure gmtime_r is available even with -std=c99; must be defined before
- * mbedtls_config.h, which pulls in glibc's features.h. Harmless on other platforms.
+ * mbedtls_config.h, which pulls in glibc's features.h. Harmless on other
+ * platforms.
  */
 #if !defined(_POSIX_C_SOURCE)
-#define _POSIX_C_SOURCE 200112L
+#    define _POSIX_C_SOURCE 200112L
 #endif
 
 #include "common.h"
@@ -62,29 +63,29 @@
  * mbedtls_platform_zeroize() to use a suitable implementation for their
  * platform and needs.
  */
-static void * (* const volatile memset_func)( void *, int, size_t ) = memset;
+static void *(*const volatile memset_func)(void *, int, size_t) = memset;
 
-void mbedtls_platform_zeroize( void *buf, size_t len )
+void mbedtls_platform_zeroize(void *buf, size_t len)
 {
-    MBEDTLS_INTERNAL_VALIDATE( len == 0 || buf != NULL );
+    MBEDTLS_INTERNAL_VALIDATE(len == 0 || buf != NULL);
 
-    if( len > 0 )
-        memset_func( buf, 0, len );
+    if (len > 0)
+        memset_func(buf, 0, len);
 }
 #endif /* MBEDTLS_PLATFORM_ZEROIZE_ALT */
 
 #if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_PLATFORM_GMTIME_R_ALT)
-#include <time.h>
-#if !defined(_WIN32) && (defined(unix) || \
-    defined(__unix) || defined(__unix__) || (defined(__APPLE__) && \
-    defined(__MACH__)))
-#include <unistd.h>
-#endif /* !_WIN32 && (unix || __unix || __unix__ ||
-        * (__APPLE__ && __MACH__)) */
+#    include <time.h>
+#    if !defined(_WIN32) &&                                       \
+        (defined(unix) || defined(__unix) || defined(__unix__) || \
+         (defined(__APPLE__) && defined(__MACH__)))
+#        include <unistd.h>
+#    endif /* !_WIN32 && (unix || __unix || __unix__ || \
+            * (__APPLE__ && __MACH__)) */
 
-#if !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) ||     \
-       ( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) &&                     \
-         _POSIX_THREAD_SAFE_FUNCTIONS >= 200112L ) )
+#    if !((defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L) || \
+          (defined(_POSIX_THREAD_SAFE_FUNCTIONS) &&                 \
+           _POSIX_THREAD_SAFE_FUNCTIONS >= 200112L))
 /*
  * This is a convenience shorthand macro to avoid checking the long
  * preprocessor conditions above. Ideally, we could expose this macro in
@@ -92,47 +93,46 @@
  * threading.h. However, this macro is not part of the Mbed TLS public API, so
  * we keep it private by only defining it in this file
  */
-#if ! ( defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) )
-#define PLATFORM_UTIL_USE_GMTIME
-#endif /* ! ( defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) ) */
+#        if !(defined(_WIN32) && !defined(EFIX64) && !defined(EFI32))
+#            define PLATFORM_UTIL_USE_GMTIME
+#        endif /* ! ( defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) ) \
+                */
 
-#endif /* !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) ||     \
-             ( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) &&                     \
-                _POSIX_THREAD_SAFE_FUNCTIONS >= 200112L ) ) */
+#    endif /* !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
+                 ( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) &&                 \
+                    _POSIX_THREAD_SAFE_FUNCTIONS >= 200112L ) ) */
 
-struct tm *mbedtls_platform_gmtime_r( const mbedtls_time_t *tt,
-                                      struct tm *tm_buf )
+struct tm *mbedtls_platform_gmtime_r(const mbedtls_time_t *tt,
+                                     struct tm *tm_buf)
 {
-#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
-    return ( gmtime_s( tm_buf, tt ) == 0 ) ? tm_buf : NULL ;
-#elif !defined(PLATFORM_UTIL_USE_GMTIME)
-    return gmtime_r( tt, tm_buf ) ;
-#else
+#    if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
+    return (gmtime_s(tm_buf, tt) == 0) ? tm_buf : NULL;
+#    elif !defined(PLATFORM_UTIL_USE_GMTIME)
+    return gmtime_r(tt, tm_buf);
+#    else
     struct tm *lt;
 
-#if defined(MBEDTLS_THREADING_C)
-    if( mbedtls_mutex_lock( &mbedtls_threading_gmtime_mutex ) != 0 )
-        return NULL ;
-#endif /* MBEDTLS_THREADING_C */
+#        if defined(MBEDTLS_THREADING_C)
+    if (mbedtls_mutex_lock(&mbedtls_threading_gmtime_mutex) != 0)
+        return NULL;
+#        endif /* MBEDTLS_THREADING_C */
 
-    lt = gmtime( tt );
+    lt = gmtime(tt);
 
-    if( lt != NULL )
-    {
-        memcpy( tm_buf, lt, sizeof( struct tm ) );
+    if (lt != NULL) {
+        memcpy(tm_buf, lt, sizeof(struct tm));
     }
 
-#if defined(MBEDTLS_THREADING_C)
-    if( mbedtls_mutex_unlock( &mbedtls_threading_gmtime_mutex ) != 0 )
-        return NULL ;
-#endif /* MBEDTLS_THREADING_C */
+#        if defined(MBEDTLS_THREADING_C)
+    if (mbedtls_mutex_unlock(&mbedtls_threading_gmtime_mutex) != 0)
+        return NULL;
+#        endif /* MBEDTLS_THREADING_C */
 
-    return ( lt == NULL ) ? NULL : tm_buf ;
-#endif /* _WIN32 && !EFIX64 && !EFI32 */
+    return (lt == NULL) ? NULL : tm_buf;
+#    endif /* _WIN32 && !EFIX64 && !EFI32 */
 }
 #endif /* MBEDTLS_HAVE_TIME_DATE && MBEDTLS_PLATFORM_GMTIME_R_ALT */
 
 #if defined(MBEDTLS_TEST_HOOKS)
-void (*mbedtls_test_hook_test_fail)( const char *, int, const char *);
+void (*mbedtls_test_hook_test_fail)(const char *, int, const char *);
 #endif /* MBEDTLS_TEST_HOOKS */
-