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dff8da6b | 1 | /* Copyright (C) 2008-2024 Free Software Foundation, Inc. |
03992356 ZW |
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 | ||
34 | static int | |
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 | ||
44 | static int | |
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 | ||
54 | static int | |
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 | float f; | |
68 | double d; | |
69 | char c[8]; | |
70 | int result = 0; | |
71 | ||
72 | if (xsscanf (" 0.25s x", "%e%3c", &f, c) != 2) | |
73 | FAIL (); | |
74 | else if (f != 0.25 || memcmp (c, "s x", 3) != 0) | |
75 | FAIL (); | |
76 | if (xsscanf (" 1.25s x", "%as%2c", &f, c) != 2) | |
77 | FAIL (); | |
78 | else if (f != 1.25 || memcmp (c, " x", 2) != 0) | |
79 | FAIL (); | |
80 | if (xsscanf (" 2.25s x", "%las%2c", &d, c) != 2) | |
81 | FAIL (); | |
82 | else if (d != 2.25 || memcmp (c, " x", 2) != 0) | |
83 | FAIL (); | |
84 | if (xsscanf (" 3.25S x", "%4aS%2c", &f, c) != 2) | |
85 | FAIL (); | |
86 | else if (f != 3.25 || memcmp (c, " x", 2) != 0) | |
87 | FAIL (); | |
88 | if (xsscanf (" 4.25[0-9.] x", "%a[0-9.]%2c", &f, c) != 2) | |
89 | FAIL (); | |
90 | else if (f != 4.25 || memcmp (c, " x", 2) != 0) | |
91 | FAIL (); | |
92 | if (xsscanf (" 5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2) | |
93 | FAIL (); | |
94 | else if (d != 5.25 || memcmp (c, " x", 2) != 0) | |
95 | FAIL (); | |
96 | ||
97 | const char *tmpdir = getenv ("TMPDIR"); | |
98 | if (tmpdir == NULL || tmpdir[0] == '\0') | |
99 | tmpdir = "/tmp"; | |
100 | ||
101 | char fname[strlen (tmpdir) + sizeof "/tst-scanf17.XXXXXX"]; | |
102 | sprintf (fname, "%s/tst-scanf17.XXXXXX", tmpdir); | |
ad8a5511 JJ |
103 | |
104 | /* Create a temporary file. */ | |
105 | int fd = mkstemp (fname); | |
106 | if (fd == -1) | |
107 | FAIL (); | |
108 | ||
109 | FILE *fp = fdopen (fd, "w+"); | |
110 | if (fp == NULL) | |
111 | FAIL (); | |
112 | else | |
113 | { | |
114 | if (fputs (" 1.25s x", fp) == EOF) | |
115 | FAIL (); | |
116 | if (fseek (fp, 0, SEEK_SET) != 0) | |
117 | FAIL (); | |
118 | if (xfscanf (fp, "%as%2c", &f, c) != 2) | |
119 | FAIL (); | |
120 | else if (f != 1.25 || memcmp (c, " x", 2) != 0) | |
121 | FAIL (); | |
122 | ||
123 | if (freopen (fname, "r", stdin) == NULL) | |
124 | FAIL (); | |
125 | else | |
126 | { | |
127 | if (xscanf ("%as%2c", &f, c) != 2) | |
128 | FAIL (); | |
129 | else if (f != 1.25 || memcmp (c, " x", 2) != 0) | |
130 | FAIL (); | |
131 | } | |
132 | ||
133 | fclose (fp); | |
134 | } | |
135 | ||
136 | remove (fname); | |
137 | ||
138 | return result; | |
139 | } |