67 lines
2 KiB
C
67 lines
2 KiB
C
/*
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* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include <string.h>
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#include <internal/numbers.h>
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#define TEST(e) \
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do { \
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if (!(e)) { \
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fprintf(stderr, "Failed " #e "\n"); \
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failures++; \
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} \
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} while (0)
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enum smallchoices { sa, sb, sc };
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enum medchoices { ma, mb, mc, md, me, mf, mg, mh, mi, mj, mk, ml };
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enum largechoices {
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a01, b01, c01, d01, e01, f01, g01, h01, i01, j01,
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a02, b02, c02, d02, e02, f02, g02, h02, i02, j02,
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a03, b03, c03, d03, e03, f03, g03, h03, i03, j03,
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a04, b04, c04, d04, e04, f04, g04, h04, i04, j04,
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a05, b05, c05, d05, e05, f05, g05, h05, i05, j05,
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a06, b06, c06, d06, e06, f06, g06, h06, i06, j06,
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a07, b07, c07, d07, e07, f07, g07, h07, i07, j07,
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a08, b08, c08, d08, e08, f08, g08, h08, i08, j08,
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a09, b09, c09, d09, e09, f09, g09, h09, i09, j09,
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a10, b10, c10, d10, e10, f10, g10, h10, i10, j10,
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xxx };
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int main()
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{
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char *p;
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char bytes[sizeof(p)];
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int failures = 0;
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/* Is NULL equivalent to all-bytes-zero? */
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p = NULL;
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memset(bytes, 0, sizeof bytes);
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TEST(memcmp(&p, bytes, sizeof(bytes)) == 0);
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/* Enum size */
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TEST(sizeof(enum smallchoices) == sizeof(int));
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TEST(sizeof(enum medchoices) == sizeof(int));
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TEST(sizeof(enum largechoices) == sizeof(int));
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/* Basic two's complement checks. */
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TEST(~(-1) == 0);
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TEST(~(-1L) == 0L);
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/* Check that values with sign bit 1 and value bits 0 are valid */
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TEST(-(INT_MIN + 1) == INT_MAX);
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TEST(-(LONG_MIN + 1) == LONG_MAX);
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/* Check that unsigned-to-signed conversions preserve bit patterns */
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TEST((int)((unsigned int)INT_MAX + 1) == INT_MIN);
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TEST((long)((unsigned long)LONG_MAX + 1) == LONG_MIN);
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return failures;
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}
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