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fd3e6373 | 1 | /* Tests of *printf for very large strings. |
b168057a | 2 | Copyright (C) 2000-2015 Free Software Foundation, Inc. |
fd3e6373 UD |
3 | This file is part of the GNU C Library. |
4 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2000. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
fd3e6373 UD |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
fd3e6373 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
fd3e6373 UD |
19 | |
20 | #include <locale.h> | |
21 | #include <mcheck.h> | |
22 | #include <stdint.h> | |
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
26 | #include <unistd.h> | |
27 | #include <sys/stat.h> | |
e7e21cba | 28 | #include <libc-internal.h> |
fd3e6373 UD |
29 | |
30 | ||
31 | const char *locs[] = | |
32 | { | |
33 | "C", "de_DE.ISO-8859-1", "de_DE.UTF-8", "ja_JP.EUC-JP" | |
34 | }; | |
35 | #define nlocs (sizeof (locs) / sizeof (locs[0])) | |
36 | ||
37 | ||
38 | char large[50000]; | |
39 | ||
29955b5d AS |
40 | static int |
41 | do_test (void) | |
fd3e6373 | 42 | { |
5dfe6778 | 43 | char buf[25]; |
57b36a0a | 44 | size_t i; |
fd3e6373 UD |
45 | int res = 0; |
46 | int fd; | |
47 | ||
48 | mtrace (); | |
49 | ||
5dfe6778 | 50 | strcpy (buf, "/tmp/test-vfprintfXXXXXX"); |
fd3e6373 UD |
51 | fd = mkstemp (buf); |
52 | if (fd == -1) | |
53 | { | |
54 | printf ("cannot open temporary file: %m\n"); | |
55 | exit (1); | |
56 | } | |
57 | unlink (buf); | |
58 | ||
59 | for (i = 0; i < nlocs; ++i) | |
60 | { | |
61 | FILE *fp; | |
62 | struct stat st; | |
63 | int fd2; | |
64 | ||
65 | setlocale (LC_ALL, locs[i]); | |
66 | ||
67 | memset (large, '\1', sizeof (large)); | |
68 | large[sizeof (large) - 1] = '\0'; | |
69 | ||
70 | fd2 = dup (fd); | |
71 | if (fd2 == -1) | |
72 | { | |
73 | printf ("cannot dup for locale %s: %m\n", | |
74 | setlocale (LC_ALL, NULL)); | |
75 | exit (1); | |
76 | } | |
77 | ||
78 | if (ftruncate (fd2, 0) != 0) | |
79 | { | |
80 | printf ("cannot truncate file for locale %s: %m\n", | |
81 | setlocale (LC_ALL, NULL)); | |
82 | exit (1); | |
83 | } | |
84 | ||
85 | fp = fdopen (fd2, "a"); | |
86 | if (fp == NULL) | |
87 | { | |
88 | printf ("cannot create FILE for locale %s: %m\n", | |
89 | setlocale (LC_ALL, NULL)); | |
90 | exit (1); | |
91 | } | |
92 | ||
93 | fprintf (fp, "%s", large); | |
94 | fprintf (fp, "%.*s", 30000, large); | |
95 | large[20000] = '\0'; | |
1c4053db RM |
96 | /* We're testing a large format string here and need to generate it |
97 | to avoid this source file being ridiculous. So disable the warning | |
98 | about a generated format string. */ | |
99 | DIAG_PUSH_NEEDS_COMMENT; | |
100 | DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat-security"); | |
fd3e6373 | 101 | fprintf (fp, large); |
1c4053db | 102 | DIAG_POP_NEEDS_COMMENT; |
1cb04337 | 103 | fprintf (fp, "%-1.300000000s", "hello"); |
fd3e6373 UD |
104 | |
105 | if (fflush (fp) != 0 || ferror (fp) != 0 || fclose (fp) != 0) | |
106 | { | |
107 | printf ("write error for locale %s: %m\n", | |
108 | setlocale (LC_ALL, NULL)); | |
109 | exit (1); | |
110 | } | |
111 | ||
112 | if (fstat (fd, &st) != 0) | |
113 | { | |
114 | printf ("cannot stat for locale %s: %m\n", | |
115 | setlocale (LC_ALL, NULL)); | |
116 | exit (1); | |
117 | } | |
1cb04337 | 118 | else if (st.st_size != 50000 + 30000 + 19999 + 5) |
fd3e6373 UD |
119 | { |
120 | printf ("file size incorrect for locale %s: %jd instead of %jd\n", | |
121 | setlocale (LC_ALL, NULL), | |
1cb04337 UD |
122 | (intmax_t) st.st_size, |
123 | (intmax_t) 50000 + 30000 + 19999 + 5); | |
fd3e6373 UD |
124 | res = 1; |
125 | } | |
126 | else | |
127 | printf ("locale %s OK\n", setlocale (LC_ALL, NULL)); | |
128 | } | |
129 | ||
130 | close (fd); | |
131 | ||
132 | return res; | |
133 | } | |
29955b5d AS |
134 | |
135 | #define TEST_FUNCTION do_test () | |
136 | #include "../test-skeleton.c" |