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Annotation of researchv10no/cmd/lcc/ph/d41d.c, revision 1.1.1.1

1.1       root        1: /* The Plum Hall Validation Suite for C
                      2:  * Unpublished copyright (c) 1986-1991, Chiron Systems Inc and Plum Hall Inc.
                      3:  * VERSION: 4
                      4:  * DATE: 1993-01-01
                      5:  * The "ANSI" mode of this suite corresponds to official ANSI C, X3.159-1989.
                      6:  * As per your license agreement, your distribution is not to be moved or copied outside the Designated Site
                      7:  * without specific permission from Plum Hall Inc.
                      8:  */
                      9: 
                     10: #define LIB_TEST 1
                     11: #include "defs.h"
                     12: #if !ANSI || !HAS_PROTOTYPES
                     13: #define SKIP41 1
                     14: #endif
                     15: 
                     16: #include "flags.h"
                     17: #ifndef SKIP41
                     18: #include <stddef.h>
                     19: 
                     20: /*
                     21:  * 4.1.5 - Common definitions <stddef.h>
                     22:  */
                     23: void d4_1_5()
                     24:        {
                     25:        char *p, *q;
                     26:        struct s1
                     27:                {
                     28:                char c;
                     29:                int d;
                     30:                };
                     31: #if WIDE_CHARS
                     32:        char c1 = 'a';
                     33:        wchar_t w1;
                     34: #endif
                     35: 
                     36:        Filename = "d41d.c";
                     37: 
                     38:        iequals(__LINE__, sizeof(ptrdiff_t), sizeof(p - q)); 
                     39:        iequals(__LINE__, offsetof(struct s1, c), 0);
                     40:        checkthat(__LINE__, offsetof(struct s1, c) < offsetof(struct s1, d));
                     41: #if WIDE_CHARS
                     42:        iequals(__LINE__, sizeof(size_t), sizeof(sizeof(int)));
                     43:        checkthat(__LINE__, sizeof(wchar_t) >= sizeof(char));
                     44: 
                     45:        /* representation as char must == representation as wchar_t */
                     46:        w1 = (wchar_t)c1;
                     47:        iequals(__LINE__, w1, c1);
                     48:        c1 = (char)w1;
                     49:        iequals(__LINE__, w1, c1);
                     50:        p = NULL;
                     51: #endif
                     52:        }
                     53: 
                     54: #else
                     55: int skp41d = 1;        /* must have one def */
                     56: #endif /* SKIP41 */

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