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1 /* |
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2 * Copyright (C) 2008-2014 Free Software Foundation, Inc. |
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3 * Written by Simon Josefsson and Bruno Haible |
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4 * |
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5 * This program is free software: you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation; either version 3 of the License, or |
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8 * (at your option) any later version. |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU General Public License |
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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17 |
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18 #include <config.h> |
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19 |
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20 #include "memcasecmp.h" |
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21 |
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22 #include <string.h> |
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23 |
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24 #include "zerosize-ptr.h" |
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25 #include "macros.h" |
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26 |
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27 int |
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28 main (void) |
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29 { |
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30 /* Test equal / not equal distinction. */ |
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31 ASSERT (memcasecmp (zerosize_ptr (), zerosize_ptr (), 0) == 0); |
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32 ASSERT (memcasecmp ("foo", "foobar", 2) == 0); |
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33 ASSERT (memcasecmp ("foo", "foobar", 3) == 0); |
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34 ASSERT (memcasecmp ("foo", "foobar", 4) != 0); |
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35 ASSERT (memcasecmp ("foo", "bar", 1) != 0); |
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36 ASSERT (memcasecmp ("foo", "bar", 3) != 0); |
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37 |
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38 /* Test less / equal / greater distinction. */ |
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39 ASSERT (memcasecmp ("foo", "moo", 4) < 0); |
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40 ASSERT (memcasecmp ("moo", "foo", 4) > 0); |
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41 ASSERT (memcasecmp ("oomph", "oops", 3) < 0); |
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42 ASSERT (memcasecmp ("oops", "oomph", 3) > 0); |
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43 ASSERT (memcasecmp ("foo", "foobar", 4) < 0); |
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44 ASSERT (memcasecmp ("foobar", "foo", 4) > 0); |
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45 |
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46 /* Test embedded NULs. */ |
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47 ASSERT (memcasecmp ("1\0", "2\0", 2) < 0); |
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48 ASSERT (memcasecmp ("2\0", "1\0", 2) > 0); |
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49 ASSERT (memcasecmp ("x\0""1", "x\0""2", 3) < 0); |
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50 ASSERT (memcasecmp ("x\0""2", "x\0""1", 3) > 0); |
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51 |
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52 /* The Next x86 OpenStep bug shows up only when comparing 16 bytes |
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53 or more and with at least one buffer not starting on a 4-byte boundary. |
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54 William Lewis provided this test program. */ |
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55 { |
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56 char foo[21]; |
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57 char bar[21]; |
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58 int i; |
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59 for (i = 0; i < 4; i++) |
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60 { |
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61 char *a = foo + i; |
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62 char *b = bar + i; |
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63 strcpy (a, "--------01111111"); |
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64 strcpy (b, "--------10000000"); |
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65 ASSERT (memcasecmp (a, b, 16) < 0); |
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66 } |
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67 } |
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68 |
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69 return 0; |
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70 } |
