| 1 | /* Test for fnmatch not reading past the end of the pattern. |
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| 2 | Copyright (C) 2014-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library 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 GNU |
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| 13 | Lesser 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 Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <fnmatch.h> |
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| 20 | #include <sys/mman.h> |
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| 21 | #include <string.h> |
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| 22 | #include <unistd.h> |
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| 23 | |
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| 24 | int |
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| 25 | do_bz18036 (void) |
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| 26 | { |
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| 27 | const char p[] = "**(!()" ; |
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| 28 | const int pagesize = getpagesize (); |
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| 29 | |
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| 30 | char *pattern = mmap (addr: 0, len: 2 * pagesize, PROT_READ|PROT_WRITE, |
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| 31 | MAP_PRIVATE|MAP_ANONYMOUS, fd: -1, offset: 0); |
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| 32 | if (pattern == MAP_FAILED) return 1; |
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| 33 | |
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| 34 | mprotect (addr: pattern + pagesize, len: pagesize, PROT_NONE); |
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| 35 | memset (pattern, ' ', pagesize); |
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| 36 | strcpy (pattern, p); |
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| 37 | |
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| 38 | return fnmatch (pattern, p, FNM_EXTMATCH); |
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| 39 | } |
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| 40 | |
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| 41 | int |
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| 42 | do_test (void) |
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| 43 | { |
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| 44 | if (fnmatch ("[[:alpha:]'[:alpha:]\0]" , "a" , 0) != FNM_NOMATCH) |
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| 45 | return 1; |
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| 46 | if (fnmatch ("[a[.\0.]]" , "a" , 0) != FNM_NOMATCH) |
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| 47 | return 1; |
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| 48 | return do_bz18036 (); |
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| 49 | } |
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| 50 | |
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| 51 | #define TEST_FUNCTION do_test () |
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| 52 | #include "../test-skeleton.c" |
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| 53 | |
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