1 | /* Copyright (C) 2007-2022 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 |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <stdio.h> |
19 | #include <stdlib.h> |
20 | #include <string.h> |
21 | #include <wchar.h> |
22 | |
23 | #if __GLIBC_USE_DEPRECATED_SCANF |
24 | # error "This file should not be compiled with deprecated scanf" |
25 | #endif |
26 | |
27 | #define FAIL() \ |
28 | do { \ |
29 | result = 1; \ |
30 | printf ("test at line %d failed\n", __LINE__); \ |
31 | } while (0) |
32 | |
33 | int |
34 | main (void) |
35 | { |
36 | wchar_t *lsp; |
37 | char *sp; |
38 | float f; |
39 | double d; |
40 | char c[8]; |
41 | int result = 0; |
42 | |
43 | if (sscanf (" 0.25s x" , "%e%3c" , &f, c) != 2) |
44 | FAIL (); |
45 | else if (f != 0.25 || memcmp (c, "s x" , 3) != 0) |
46 | FAIL (); |
47 | if (sscanf (" 1.25s x" , "%ms%2c" , &sp, c) != 2) |
48 | FAIL (); |
49 | else |
50 | { |
51 | if (strcmp (sp, "1.25s" ) != 0 || memcmp (c, " x" , 2) != 0) |
52 | FAIL (); |
53 | memset (sp, 'x', sizeof "1.25s" ); |
54 | free (ptr: sp); |
55 | } |
56 | if (sscanf (" 2.25s x" , "%las%2c" , &d, c) != 2) |
57 | FAIL (); |
58 | else if (d != 2.25 || memcmp (c, " x" , 2) != 0) |
59 | FAIL (); |
60 | if (sscanf (" 3.25S x" , "%4mS%3c" , &lsp, c) != 2) |
61 | FAIL (); |
62 | else |
63 | { |
64 | if (wcscmp (s1: lsp, s2: L"3.25" ) != 0 || memcmp (c, "S x" , 3) != 0) |
65 | FAIL (); |
66 | memset (lsp, 'x', sizeof L"3.25" ); |
67 | free (ptr: lsp); |
68 | } |
69 | if (sscanf ("4.25[0-9.] x" , "%m[0-9.]%8c" , &sp, c) != 2) |
70 | FAIL (); |
71 | else |
72 | { |
73 | if (strcmp (sp, "4.25" ) != 0 || memcmp (c, "[0-9.] x" , 8) != 0) |
74 | FAIL (); |
75 | memset (sp, 'x', sizeof "4.25" ); |
76 | free (ptr: sp); |
77 | } |
78 | if (sscanf ("5.25[0-9.] x" , "%la[0-9.]%2c" , &d, c) != 2) |
79 | FAIL (); |
80 | else if (d != 5.25 || memcmp (c, " x" , 2) != 0) |
81 | FAIL (); |
82 | |
83 | const char *tmpdir = getenv ("TMPDIR" ); |
84 | if (tmpdir == NULL || tmpdir[0] == '\0') |
85 | tmpdir = "/tmp" ; |
86 | |
87 | char fname[strlen (tmpdir) + sizeof "/tst-scanf14.XXXXXX" ]; |
88 | sprintf (fname, "%s/tst-scanf14.XXXXXX" , tmpdir); |
89 | |
90 | /* Create a temporary file. */ |
91 | int fd = mkstemp (template: fname); |
92 | if (fd == -1) |
93 | FAIL (); |
94 | |
95 | FILE *fp = fdopen (fd, "w+" ); |
96 | if (fp == NULL) |
97 | FAIL (); |
98 | else |
99 | { |
100 | if (fputs (" 1.25s x" , fp) == EOF) |
101 | FAIL (); |
102 | if (fseek (fp, 0, SEEK_SET) != 0) |
103 | FAIL (); |
104 | if (fscanf (stream: fp, format: "%ms%2c" , &sp, c) != 2) |
105 | FAIL (); |
106 | else |
107 | { |
108 | if (strcmp (sp, "1.25s" ) != 0 || memcmp (c, " x" , 2) != 0) |
109 | FAIL (); |
110 | memset (sp, 'x', sizeof "1.25s" ); |
111 | free (ptr: sp); |
112 | } |
113 | |
114 | if (freopen (filename: fname, modes: "r" , stdin) == NULL) |
115 | FAIL (); |
116 | else |
117 | { |
118 | if (scanf (format: "%ms%2c" , &sp, c) != 2) |
119 | FAIL (); |
120 | else |
121 | { |
122 | if (strcmp (sp, "1.25s" ) != 0 || memcmp (c, " x" , 2) != 0) |
123 | FAIL (); |
124 | memset (sp, 'x', sizeof "1.25s" ); |
125 | free (ptr: sp); |
126 | } |
127 | } |
128 | |
129 | fclose (fp); |
130 | } |
131 | |
132 | remove (fname); |
133 | |
134 | return result; |
135 | } |
136 | |