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04277e02 | 1 | /* Copyright (C) 2001-2019 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
d8f00d46 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
d8f00d46 | 17 | |
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18 | #include <assert.h> |
19 | #include <errno.h> | |
20 | #include <error.h> | |
21 | #include <fcntl.h> | |
bb3f4825 | 22 | #include <getopt.h> |
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23 | #include <iconv.h> |
24 | #include <locale.h> | |
25 | #include <mcheck.h> | |
ceaa9889 | 26 | #include <stdint.h> |
d8f00d46 UD |
27 | #include <stdio.h> |
28 | #include <stdlib.h> | |
29 | #include <string.h> | |
30 | #include <time.h> | |
31 | #include <unistd.h> | |
32 | #include <sys/stat.h> | |
33 | #include <sys/types.h> | |
34 | #include <regex.h> | |
35 | ||
36 | ||
bf7c04cd | 37 | #if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0 |
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38 | static clockid_t cl; |
39 | static int use_clock; | |
40 | #endif | |
73111f03 UD |
41 | static iconv_t cd; |
42 | static char *mem; | |
43 | static char *umem; | |
44 | static size_t memlen; | |
3c0fb574 | 45 | static size_t umemlen; |
bb3f4825 | 46 | static int timing; |
d8f00d46 | 47 | |
3c0fb574 | 48 | static int test_expr (const char *expr, int expected, int expectedicase); |
73111f03 | 49 | static int run_test (const char *expr, const char *mem, size_t memlen, |
3c0fb574 UD |
50 | int icase, int expected); |
51 | static int run_test_backwards (const char *expr, const char *mem, | |
52 | size_t memlen, int icase, int expected); | |
d8f00d46 UD |
53 | |
54 | ||
7166d23f UD |
55 | static int |
56 | do_test (void) | |
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57 | { |
58 | const char *file; | |
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59 | int fd; |
60 | struct stat st; | |
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61 | int result; |
62 | char *inmem; | |
63 | char *outmem; | |
64 | size_t inlen; | |
65 | size_t outlen; | |
d8f00d46 UD |
66 | |
67 | mtrace (); | |
68 | ||
69 | /* Make the content of the file available in memory. */ | |
b3008279 | 70 | file = "../ChangeLog.old/ChangeLog.8"; |
d8f00d46 UD |
71 | fd = open (file, O_RDONLY); |
72 | if (fd == -1) | |
73 | error (EXIT_FAILURE, errno, "cannot open %s", basename (file)); | |
74 | ||
75 | if (fstat (fd, &st) != 0) | |
76 | error (EXIT_FAILURE, errno, "cannot stat %s", basename (file)); | |
77 | memlen = st.st_size; | |
78 | ||
79 | mem = (char *) malloc (memlen + 1); | |
80 | if (mem == NULL) | |
81 | error (EXIT_FAILURE, errno, "while allocating buffer"); | |
82 | ||
3c0fb574 | 83 | if ((size_t) read (fd, mem, memlen) != memlen) |
d8f00d46 UD |
84 | error (EXIT_FAILURE, 0, "cannot read entire file"); |
85 | mem[memlen] = '\0'; | |
86 | ||
87 | close (fd); | |
88 | ||
2f07975d | 89 | /* We have to convert a few things from Latin-1 to UTF-8. */ |
d8f00d46 UD |
90 | cd = iconv_open ("UTF-8", "ISO-8859-1"); |
91 | if (cd == (iconv_t) -1) | |
92 | error (EXIT_FAILURE, errno, "cannot get conversion descriptor"); | |
93 | ||
2f07975d UD |
94 | /* For the second test we have to convert the file content to UTF-8. |
95 | Since the text is mostly ASCII it should be enough to allocate | |
96 | twice as much memory for the UTF-8 text than for the Latin-1 | |
97 | text. */ | |
98 | umem = (char *) calloc (2, memlen); | |
99 | if (umem == NULL) | |
100 | error (EXIT_FAILURE, errno, "while allocating buffer"); | |
101 | ||
d8f00d46 UD |
102 | inmem = mem; |
103 | inlen = memlen; | |
104 | outmem = umem; | |
2f07975d | 105 | outlen = 2 * memlen - 1; |
d8f00d46 | 106 | iconv (cd, &inmem, &inlen, &outmem, &outlen); |
3c0fb574 | 107 | umemlen = outmem - umem; |
d8f00d46 UD |
108 | if (inlen != 0) |
109 | error (EXIT_FAILURE, errno, "cannot convert buffer"); | |
110 | ||
bf7c04cd UD |
111 | #if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0 |
112 | # if _POSIX_CPUTIME == 0 | |
113 | if (sysconf (_SC_CPUTIME) < 0) | |
114 | use_clock = 0; | |
115 | else | |
116 | # endif | |
117 | /* See whether we can use the CPU clock. */ | |
118 | use_clock = clock_getcpuclockid (0, &cl) == 0; | |
73111f03 UD |
119 | #endif |
120 | ||
2f07975d UD |
121 | #ifdef DEBUG |
122 | re_set_syntax (RE_DEBUG); | |
123 | #endif | |
124 | ||
73111f03 UD |
125 | /* Run the actual tests. All tests are run in a single-byte and a |
126 | multi-byte locale. */ | |
3c0fb574 UD |
127 |