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@@ -0,0 +1,174 @@
+//=================================================================
+//
+//        realloc.c
+//
+//        Testcase for C library realloc()
+//
+//=================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//=================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     jlarmour@cygnus.co.uk
+// Contributors:    jlarmour@cygnus.co.uk
+// Date:          1998/8/31
+// Description:   Contains testcode for C library realloc() function
+//
+//
+//####DESCRIPTIONEND####
+
+// Declarations for test system:
+//
+// TESTCASE_TYPE=CYG_TEST_MODULE
+
+
+// INCLUDES
+
+#include <pkgconf/libc.h> // config header for C library so we can know size
+                          // of malloc pool
+#include <stdlib.h>
+#include <cyg/infra/testcase.h>
+#include <sys/cstartup.h>          // C library initialisation
+
+
+// FUNCTIONS
+
+externC void
+cyg_package_start( void )
+{
+#ifdef CYGPKG_LIBC
+    cyg_iso_c_start();
+#else
+    (void)main(0, NULL);
+#endif
+} // cyg_package_start()
+
+
+#if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_MALLOC)
+
+static const char alphabet[]="abcdefghijklmnopqrstuvwxyz{-}[]#';:@~!$^&*()"
+                             "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
+
+static int
+compare_with_alphabet( char *buf, int size, int offset )
+{
+    int i, buf_offset;
+
+    for (i=offset, buf_offset=0;
+         buf_offset < size;
+         buf_offset++,i++ ) {
+
+        if ( i==sizeof(alphabet)-1 )
+            i=0;
+
+        if ( buf[buf_offset] != alphabet[i] ) {
+            CYG_TEST_FAIL( "buffer has not retained correct data!");
+            return 0; // fail
+        } // if
+    } // for
+
+    return 1; // success
+} // compare_with_alphabet()
+
+static int
+fill_with_alphabet( char *buf, int size, int offset )
+{
+    int i, buf_offset;
+
+    for (i=offset, buf_offset=0;
+         buf_offset < size;
+         buf_offset++,i++ ) {
+
+        if ( i==sizeof(alphabet)-1 )
+            i=0;
+
+        buf[buf_offset] = alphabet[i];
+
+    } // for
+
+    return compare_with_alphabet( buf, size, offset); // be sure
+} // fill_with_alphabet()
+
+#endif // if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_MALLOC)
+
+int
+main( int argc, char *argv[] )
+{
+#if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_MALLOC)
+    char *str;
+    int size = CYGNUM_LIBC_MALLOC_MEMPOOL_SIZE/2;
+#endif
+
+    CYG_TEST_INIT();
+
+    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
+                  "realloc() function");
+
+#if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_MALLOC)
+
+    str = (char *)realloc( NULL, size );
+    CYG_TEST_PASS_FAIL( str != NULL, "realloc doing only allocation");
+    CYG_TEST_PASS_FAIL( fill_with_alphabet( str, size, 0 ),
+                        "allocation usability");
+
+    str = (char *)realloc( str, 0 );
+    CYG_TEST_PASS_FAIL( str == NULL, "realloc doing implicit free" );
+
+    str = (char *)realloc( NULL, size/2 );
+    CYG_TEST_PASS_FAIL( str != NULL, "realloc doing allocation to half size");
+    CYG_TEST_PASS_FAIL( fill_with_alphabet( str, size/2, 5 ),
+                        "half allocation usability");
+
+    str = (char *)realloc( str, size );
+    CYG_TEST_PASS_FAIL( str != NULL,
+                        "reallocing allocation back to normal size");
+    CYG_TEST_PASS_FAIL( compare_with_alphabet(str, size/2, 5),
+                        "after realloc to normal size, old contents kept" );
+    CYG_TEST_PASS_FAIL( fill_with_alphabet( str, size, 3 ),
+                        "reallocation normal size usability");
+
+    str = (char *)realloc( str, size/4 );
+    CYG_TEST_PASS_FAIL( str != NULL, "reallocing allocation to quarter size");
+    CYG_TEST_PASS_FAIL( compare_with_alphabet(str, size/4, 3),
+                        "after realloc to quarter size, old contents kept" );
+    CYG_TEST_PASS_FAIL( fill_with_alphabet( str, size/4, 1 ),
+                        "reallocation quarter size usability");
+
+    CYG_TEST_PASS_FAIL( realloc( str, size*100 ) == NULL,
+                        "reallocing allocation that is too large" );
+    CYG_TEST_PASS_FAIL( compare_with_alphabet( str, size/4, 1 ),
+                        "Checking old contents maintained despite failure" );
+
+    str = (char *)realloc( str, 0 );
+    CYG_TEST_PASS_FAIL( str == NULL, "realloc doing implicit free again" );
+
+
+#else
+    CYG_TEST_PASS("Testing is not applicable to this configuration");
+#endif // if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_MALLOC)
+
+    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
+                    "realloc() function");
+} // main()
+
+// EOF realloc.c