Fix compile errors with NO_STD_FUNCTIONS

ChangeLog

@@ -35,6 +35,7 @@ Features
      errors on use of deprecated functions.
 
 Bugfix
+   * Fix compile errors with PLATFORM_NO_STD_FUNCTIONS.
    * Fix compile error with PLATFORM_EXIT_ALT (thanks to Rafał Przywara).
    * Fix bug in entropy.c when THREADING_C is also enabled that caused
      entropy_free() to crash (thanks to Rafał Przywara).

include/polarssl/platform.h

@@ -85,6 +85,8 @@ extern "C" {
 #define polarssl_free       POLARSSL_PLATFORM_FREE_MACRO
 #define polarssl_malloc     POLARSSL_PLATFORM_MALLOC_MACRO
 #else
+/* For size_t */
+#include <stddef.h>
 extern void * (*polarssl_malloc)( size_t len );
 extern void (*polarssl_free)( void *ptr );
 
@@ -108,6 +110,8 @@ int platform_set_malloc_free( void * (*malloc_func)( size_t ),
  * The function pointers for fprintf
  */
 #if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
+/* We need FILE * */
+#include <stdio.h>
 extern int (*polarssl_fprintf)( FILE *stream, const char *format, ... );
 
 /**

library/platform.c

@@ -72,7 +72,7 @@ static int platform_snprintf_uninit( char * s, size_t n,
 {
     ((void) s);
     ((void) n);
-    ((void) format)
+    ((void) format);
     return( 0 );
 }
 
@@ -148,7 +148,6 @@ int platform_set_fprintf( int (*fprintf_func)( FILE *, const char *, ... ) )
 static void platform_exit_uninit( int status )
 {
     ((void) status);
-    return( 0 );
 }
 
 #define POLARSSL_PLATFORM_STD_EXIT   platform_exit_uninit

tests/scripts/all.sh

@@ -146,6 +146,14 @@ scripts/config.pl unset POLARSSL_MEMORY_BUFFER_ALLOC_C
 scripts/config.pl unset POLARSSL_FS_IO
 CC=gcc CFLAGS='-Werror -O0' make
 
+# catch compile bugs in _uninit functions
+msg "build: full config with NO_STD_FUNCTION, make, gcc" # ~ 30s
+cleanup
+cp "$CONFIG_H" "$CONFIG_BAK"
+scripts/config.pl full
+scripts/config.pl set POLARSSL_PLATFORM_NO_STD_FUNCTIONS
+CC=gcc CFLAGS='-Werror -O0' make
+
 if uname -a | grep -F x86_64 >/dev/null; then
 msg "build: i386, make, gcc" # ~ 30s
 cleanup