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03992356 ZW |
1 | /* Copyright (C) 2008-2019 Free Software Foundation, Inc. |
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 | |
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. | |
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 | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
15 | License along with the GNU C Library; if not, see | |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
03992356 | 17 | |
ad8a5511 JJ |
18 | #include <stdarg.h> |
19 | #include <stdio.h> | |
20 | #include <stdlib.h> | |
21 | #include <string.h> | |
22 | #include <wchar.h> | |
23 | ||
03992356 ZW |
24 | #if __GLIBC_USE_DEPRECATED_SCANF |
25 | # error "This file should not be compiled with deprecated scanf" | |
26 | #endif | |
27 | ||
ad8a5511 JJ |
28 | #define FAIL() \ |
29 | do { \ | |
30 | result = 1; \ | |
31 | printf ("test at line %d failed\n", __LINE__); \ | |
32 | } while (0) | |
33 | ||
03992356 | 34 | static int __attribute__ ((format (scanf, 2, 3))) |
ad8a5511 JJ |
35 | xsscanf (const char *str, const char *fmt, ...) |
36 | { | |
37 | va_list ap; | |
38 | va_start (ap, fmt); | |
39 | int ret = vsscanf (str, fmt, ap); | |
40 | va_end (ap); | |
41 | return ret; | |
42 | } | |
43 | ||
03992356 | 44 | static int __attribute__ ((format (scanf, 1, 2))) |
ad8a5511 JJ |
45 | xscanf (const char *fmt, ...) |
46 | { | |
47 | va_list ap; | |
48 | va_start (ap, fmt); | |
49 | int ret = vscanf (fmt, ap); | |
50 | va_end (ap); | |
51 | return ret; | |
52 | } | |
53 | ||
03992356 | 54 | static int __attribute__ ((format (scanf, 2, 3))) |
ad8a5511 JJ |
55 | xfscanf (FILE *f, const char *fmt, ...) |
56 | { | |
57 | va_list ap; | |
58 | va_start (ap, fmt); | |
59 | int ret = vfscanf (f, fmt, ap); | |
60 | va_end (ap); | |
61 | return ret; | |
62 | } | |
63 | ||
64 | int | |
65 | main (void) | |
66 | { | |
67 | wchar_t *lsp; | |
68 | char *sp; | |
69 | float f; | |
70 | double d; | |
71 | char c[8]; | |
72 | int result = 0; | |
73 | ||
74 | if (xsscanf (" 0.25s x", "%e%3c", &f, c) != 2) | |
75 | FAIL (); | |
76 | else if (f != 0.25 || memcmp (c, "s x", 3) != 0) | |
77 | FAIL (); | |
03992356 | 78 | if (xsscanf (" 1.25s x", "%ms%2c", &sp, c) != 2) |
ad8a5511 JJ |
79 | FAIL (); |
80 | else | |
81 | { | |
82 | if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0) | |
83 | FAIL (); | |
84 | memset (sp, 'x', sizeof "1.25s"); | |
85 | free (sp); | |
86 | } | |
87 | if (xsscanf (" 2.25s x", "%las%2c", &d, c) != 2) | |
88 | FAIL (); | |
89 | else if (d != 2.25 || memcmp (c, " x", 2) != 0) | |
90 | FAIL (); | |
03992356 | 91 | if (xsscanf (" 3.25S x", "%4mS%3c", &lsp, c) != 2) |
ad8a5511 JJ |
92 | FAIL (); |
93 | else | |
94 | { | |
95 | if (wcscmp (lsp, L"3.25") != 0 || memcmp (c, "S x", 3) != 0) | |
96 | FAIL (); | |
97 | memset (lsp, 'x', sizeof L"3.25"); | |
98 | free (lsp); | |
99 | } | |
03992356 | 100 | if (xsscanf ("4.25[0-9.] x", "%m[0-9.]%8c", &sp, c) != 2) |
ad8a5511 JJ |
101 | FAIL (); |
102 | else | |
103 | { | |
104 | if (strcmp (sp, "4.25") != 0 || memcmp (c, "[0-9.] x", 8) != 0) | |
105 | FAIL (); | |
106 | memset (sp, 'x', sizeof "4.25"); | |
107 | free (sp); | |
108 | } | |
109 | if (xsscanf ("5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2) | |
110 | FAIL (); | |
111 | else if (d != 5.25 || memcmp (c, " x", 2) != 0) | |
112 | FAIL (); | |
113 | ||
114 | const char *tmpdir = getenv ("TMPDIR"); | |
115 | if (tmpdir == NULL || tmpdir[0] == '\0') | |
116 | tmpdir = "/tmp"; | |
117 | ||
118 | char fname[strlen (tmpdir) + sizeof "/tst-scanf16.XXXXXX"]; | |
119 | sprintf (fname, "%s/tst-scanf16.XXXXXX", tmpdir); | |
120 | if (fname == NULL) | |
121 | FAIL (); | |
122 | ||
123 | /* Create a temporary file. */ | |
124 | int fd = mkstemp (fname); | |
125 | if (fd == -1) | |
126 | FAIL (); | |
127 | ||
128 | FILE *fp = fdopen (fd, "w+"); | |
129 | if (fp == NULL) | |
130 | FAIL (); | |
131 | else | |
132 | { | |
133 | if (fputs (" 1.25s x", fp) == EOF) | |
134 | FAIL (); | |
135 | if (fseek (fp, 0, SEEK_SET) != 0) | |
136 | FAIL (); | |
03992356 | 137 | if (xfscanf (fp, "%ms%2c", &sp, c) != 2) |
ad8a5511 JJ |
138 | FAIL (); |
139 | else | |
140 | { | |
141 | if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0) | |
142 | FAIL (); | |
143 | memset (sp, 'x', sizeof "1.25s"); | |
144 | free (sp); | |
145 | } | |
146 | ||
147 | if (freopen (fname, "r", stdin) == NULL) | |
148 | FAIL (); | |
149 | else | |
150 | { | |
03992356 | 151 | if (xscanf ("%ms%2c", &sp, c) != 2) |
ad8a5511 JJ |
152 | FAIL (); |
153 | else | |
154 | { | |
155 | if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0) | |
156 | FAIL (); | |
157 | memset (sp, 'x', sizeof "1.25s"); | |
158 | free (sp); | |
159 | } | |
160 | } | |
161 | ||
162 | fclose (fp); | |
163 | } | |
164 | ||
165 | remove (fname); | |
166 | ||
167 | return result; | |
168 | } |