compiled newlib, need to hook up the system calls

rocklibc/src/string/memset_s.c

@@ -0,0 +1,73 @@
+/* memset_s( void *, rsize_t, int, rsize_t )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#define __STDC_WANT_LIB_EXT1__ 1
+#include <string.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#ifndef REGTEST
+
+errno_t memset_s( void * s, rsize_t smax, int c, rsize_t n )
+{
+    unsigned char * p = ( unsigned char * ) s;
+
+    if ( s == NULL || smax > RSIZE_MAX || n > RSIZE_MAX || n > smax )
+    {
+        if ( s != NULL && smax <= RSIZE_MAX )
+        {
+            memset( s, c, smax );
+        }
+
+        _PDCLIB_constraint_handler( _PDCLIB_CONSTRAINT_VIOLATION( _PDCLIB_EINVAL ) );
+        return _PDCLIB_EINVAL;
+    }
+
+    while ( n-- )
+    {
+        *p++ = ( unsigned char ) c;
+    }
+
+    return 0;
+}
+
+#endif
+
+#ifdef TEST
+
+#include "_PDCLIB_test.h"
+
+#if ! defined( REGTEST ) || defined( __STDC_LIB_EXT1__ )
+
+static int HANDLER_CALLS = 0;
+
+static void test_handler( const char * _PDCLIB_restrict msg, void * _PDCLIB_restrict ptr, errno_t error )
+{
+    ++HANDLER_CALLS;
+}
+
+#endif
+
+int main( void )
+{
+#if ! defined( REGTEST ) || defined( __STDC_LIB_EXT1__ )
+    char s[] = "xxxxxxxxx";
+    set_constraint_handler_s( test_handler );
+
+    TESTCASE( memset_s( s, 10, 'o', 10 ) == 0 );
+    TESTCASE( s[9] == 'o' );
+    TESTCASE( memset_s( s, 10, '_', ( 0 ) ) == 0 );
+    TESTCASE( s[0] == 'o' );
+    TESTCASE( memset_s( s, 10, '_', 1 ) == 0 );
+    TESTCASE( s[0] == '_' );
+    TESTCASE( s[1] == 'o' );
+
+    TESTCASE( HANDLER_CALLS == 0 );
+#endif
+    return TEST_RESULTS;
+}
+
+#endif