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+//=================================================================
+//
+//        sscanf.c
+//
+//        Testcase for C library sscanf()
+//
+//=================================================================
+//####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):     ctarpy@cygnus.co.uk, jlarmour@cygnus.co.uk
+// Contributors:    jlarmour@cygnus.co.uk
+// Date:          1998/6/3
+// Description:   Contains testcode for C library sscanf() function
+//
+//
+//####DESCRIPTIONEND####
+
+// Declarations for test system:
+//
+// TESTCASE_TYPE=CYG_TEST_MODULE
+
+
+// CONFIGURATION
+
+#include <pkgconf/libc.h>   // Configuration header
+
+// INCLUDES
+
+#include <stdio.h>
+#include <cyg/infra/testcase.h>
+#include <sys/cstartup.h>          // C library initialisation
+
+// HOW TO START TESTS
+
+#if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO) && defined(CYGFUN_LIBC_STDIO_ungetc)
+
+# define START_TEST( test ) test(0)
+
+#else
+
+# define START_TEST( test ) CYG_EMPTY_STATEMENT
+
+#endif
+        
+
+// 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_STDIO) && defined(CYGFUN_LIBC_STDIO_ungetc)
+
+// Functions to avoid having to use libc strings
+
+static int
+my_strcmp(const char *s1, const char *s2)
+{
+    for ( ; *s1 == *s2 ; s1++,s2++ )
+    {
+        if ( *s1 == '\0') 
+            break;
+    } // for
+
+    return (*s1 - *s2);
+} // my_strcmp()
+
+
+static char *
+my_strcpy(char *s1, const char *s2)
+{
+    while (*s2 != '\0') {
+        *(s1++) = *(s2++);
+    }
+    *s1 = '\0';
+
+    return s1; 
+} // my_strcpy()
+
+
+static void
+test( CYG_ADDRWORD data )
+{
+    static char x[300];
+    static char y[300];
+    char z[20];
+    int ret;
+    int int_test, int_test2, int_test3, int_test4;
+
+    // Check 1
+    my_strcpy(x, "20");
+    ret = sscanf(x, "%d", &int_test);
+    CYG_TEST_PASS_FAIL(int_test==20, "%d test");
+    CYG_TEST_PASS_FAIL(ret == 1, "%d test return code");
+
+    // Check 2
+    my_strcpy(y, "PigsNoses");
+    ret = sscanf(y, "%s", x);
+    CYG_TEST_PASS_FAIL(my_strcmp(x, y)==0, "%s test");
+    CYG_TEST_PASS_FAIL(ret == 1, "%s test return code");
+
+    // Check 3
+    my_strcpy(x, "FE8C");
+    ret = sscanf(x, "%X", &int_test);
+    CYG_TEST_PASS_FAIL(int_test == 65164, "hex read leading zeroes");
+    CYG_TEST_PASS_FAIL(ret == 1, "hex read leading zeroes return code");
+
+    // Check 4
+    my_strcpy(x, "000053Ba");
+    ret = sscanf(x, "%x", &int_test);
+    CYG_TEST_PASS_FAIL(int_test == 21434, "hex read leading zeroes");
+    CYG_TEST_PASS_FAIL(ret == 1, "hex read leading zeros return code");
+
+    // Check 5
+    my_strcpy(x, "53Ba");
+    ret = sscanf(x, "%3x", &int_test);
+    CYG_TEST_PASS_FAIL(int_test == 1339, "hex read constrained width");
+    CYG_TEST_PASS_FAIL(ret == 1, "hex read constrained width return code");
+
+    // Check 6
+    my_strcpy(x, "get the first char test");
+    ret = sscanf(x, "%c", &y[0]);
+    CYG_TEST_PASS_FAIL(y[0] == 'g', "%c test");
+    CYG_TEST_PASS_FAIL(ret == 1, "%c test return code");
+
+    // Check 7
+    my_strcpy(x, "-5");
+    ret = sscanf(x, "%d", &int_test);
+    CYG_TEST_PASS_FAIL(int_test == -5, "negative integer");
+    CYG_TEST_PASS_FAIL(ret == 1, "negative integer return code");
+    
+    // Check 8
+    my_strcpy(x, "53");
+    ret = sscanf(x, "%o", &int_test);
+    CYG_TEST_PASS_FAIL(int_test == 43, "%o test");
+    CYG_TEST_PASS_FAIL(ret == 1, "%o test return code");
+    
+    // Check 9
+    int_test=10;
+    my_strcpy(x, "-5 0");
+    ret = sscanf(x, "%*d %d", &int_test);
+    CYG_TEST_PASS_FAIL(int_test == 0, "assignment suppression");
+    CYG_TEST_PASS_FAIL(ret == 1, "assignment suppression return code");
+    
+    // Check 10
+    int_test=0;
+    my_strcpy(x, "052");
+    ret = sscanf(x, "%i", &int_test);
+    CYG_TEST_PASS_FAIL(int_test == 42, "octal with %i");
+    CYG_TEST_PASS_FAIL(ret == 1, "octal with %i return code");
+    
+    // Check 10
+    int_test=0;
+    my_strcpy(x, "0x05f");
+    ret = sscanf(x, "%i", &int_test);
+    CYG_TEST_PASS_FAIL(int_test == 95, "hex with %i");
+    CYG_TEST_PASS_FAIL(ret == 1, "hex with %i return code");
+    
+    // Check 11
+    int_test=0;
+    my_strcpy(x, "+023456");
+    ret = sscanf(x, "%u", &int_test);
+    CYG_TEST_PASS_FAIL(int_test == 23456, "unsigned int with %u");
+    CYG_TEST_PASS_FAIL(ret == 1, "unsigned int with %u return code");
+    
+    // Check 12
+    my_strcpy(x, "aString 2747 D");
+    ret = sscanf(x, "%s %d %c", y, &int_test, z);
+    CYG_TEST_PASS_FAIL(  (my_strcmp(y, "aString")==0) &&
+                     (int_test == 2747) &&
+                     (z[0] == 'D'), "A few combinations #1");
+    CYG_TEST_PASS_FAIL(ret == 3, "Combinations #1 return code");
+
+    
+    // Check 13
+    my_strcpy(x, "-6 52 awurble 2747 xxx");
+    ret = sscanf(x, "%d %u %s %2d %n %c",
+                 &int_test, &int_test2, y, &int_test3, &int_test4, z);
+    CYG_TEST_PASS_FAIL(  (int_test == -6) && (int_test2 == 52) &&
+                         (my_strcmp(y, "awurble")==0) &&
+                         (int_test3 == 27) &&
+                         (int_test4 == 16) &&
+                         (z[0] == '4'), "A few combinations #2");
+    CYG_TEST_PASS_FAIL(ret == 5, "Combinations #2 return code");
+
+
+#ifdef CYGSEM_LIBC_STDIO_PRINTF_FLOATING_POINT
+
+// How much _relative_ error do we allow?
+#define FLT_TOLERANCE 1.0e-3
+
+#define MY_FABS(x) ((x) < 0.0 ? -(x) : (x))
+
+    CYG_TEST_INFO("Starting floating point specific tests");
+
+    {
+        float flt_test, wanted;
+
+        // Check 14
+        my_strcpy(x, "2.5");
+        wanted = 2.5;
+        ret = sscanf(x, "%f", &flt_test);
+        CYG_TEST_PASS_FAIL( MY_FABS(flt_test - wanted) <
+                            MY_FABS(wanted * FLT_TOLERANCE),
+                            "Simple %f test #1" );
+        CYG_TEST_PASS_FAIL( ret == 1, "Simple %f test #1 return code" );
+
+
+        // Check 15
+        my_strcpy(x, "-23.472345");
+        wanted = -23.472345;
+        ret = sscanf(x, "%f", &flt_test);
+        CYG_TEST_PASS_FAIL( MY_FABS(flt_test - wanted) <
+                            MY_FABS(wanted * FLT_TOLERANCE),
+                            "Simple %f test #2" );
+        CYG_TEST_PASS_FAIL( ret == 1, "Simple %f test #2 return code" );
+
+        // Check 16
+        my_strcpy(x, "0.0");
+        ret = sscanf(x, "%f", &flt_test);
+        CYG_TEST_PASS_FAIL( flt_test==0.0, "Simple %f test 0.0" );
+        CYG_TEST_PASS_FAIL( ret == 1, "Simple %f test 0.0 return code" );
+
+
+        // Check 17
+        my_strcpy(x, "-2.6334e00");
+        wanted = -2.6334;
+        ret = sscanf(x, "%e", &flt_test);
+        CYG_TEST_PASS_FAIL( MY_FABS(flt_test - wanted) <
+                            MY_FABS(wanted * FLT_TOLERANCE),
+                            "Simple %e test #1" );
+        CYG_TEST_PASS_FAIL( ret == 1, "Simple %e test #1 return code" );
+
+
+        // Check 18
+        my_strcpy(x, "-2.56789e-06");
+        wanted = -2.56789e-06;
+        ret = sscanf(x, "%e", &flt_test);
+        CYG_TEST_PASS_FAIL( MY_FABS(flt_test-wanted) <
+                            MY_FABS(wanted * FLT_TOLERANCE),
+                            "Simple %e test #2" );
+        CYG_TEST_PASS_FAIL( ret == 1, "Simple %e test #2 return code" );
+
+        
+        // Check 19
+        my_strcpy(x, "-2.12389e-06");
+        wanted = -2.12389e-06;
+        ret = sscanf(x, "%g", &flt_test);
+        CYG_TEST_PASS_FAIL( MY_FABS(flt_test-wanted) <
+                            MY_FABS(wanted * FLT_TOLERANCE),
+                            "Simple %g test #1" );
+        CYG_TEST_PASS_FAIL( ret == 1, "Simple %g test #1 return code" );
+
+        // Check 20
+        my_strcpy(x, "1.3423345");
+        wanted = 1.342335;
+        ret = sscanf(x, "%g", &flt_test);
+        CYG_TEST_PASS_FAIL( MY_FABS(flt_test-wanted) <
+                            MY_FABS(wanted * FLT_TOLERANCE),
+                            "Simple %g test #2" );
+        CYG_TEST_PASS_FAIL( ret == 1, "Simple %g test #2 return code" );
+
+        
+    } // compound 
+
+#else
+    CYG_TEST_PASS("Floating point tests skipped - not configured");
+#endif // ifdef CYGSEM_LIBC_STDIO_PRINTF_FLOATING_POINT
+
+
+    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
+                    "sscanf() function");
+
+} // test()
+
+#endif // if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO) && defined(CYGFUN_LIBC_STDIO_ungetc)
+
+
+int
+main(int argc, char *argv[])
+{
+    CYG_TEST_INIT();
+
+    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
+                  "sscanf() function");
+
+    START_TEST( test );
+
+    CYG_TEST_PASS_FINISH("Testing is not applicable to this configuration");
+} // main()
+
+
+// EOF sscanf.c