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Commit | Line | Data |
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ad8a5511 JJ |
1 | #undef _GNU_SOURCE |
2 | #define _XOPEN_SOURCE 600 | |
b48a267b | 3 | #undef _LIBC |
ad8a5511 JJ |
4 | /* The following macro definitions are a hack. They word around disabling |
5 | the GNU extension while still using a few internal headers. */ | |
6 | #define u_char unsigned char | |
7 | #define u_short unsigned short | |
8 | #define u_int unsigned int | |
9 | #define u_long unsigned long | |
10 | #include <stdarg.h> | |
11 | #include <stdio.h> | |
12 | #include <stdlib.h> | |
13 | #include <string.h> | |
14 | #include <wchar.h> | |
15 | ||
16 | #define FAIL() \ | |
17 | do { \ | |
18 | result = 1; \ | |
19 | printf ("test at line %d failed\n", __LINE__); \ | |
20 | } while (0) | |
21 | ||
22 | static int | |
23 | xsscanf (const char *str, const char *fmt, ...) | |
24 | { | |
25 | va_list ap; | |
26 | va_start (ap, fmt); | |
27 | int ret = vsscanf (str, fmt, ap); | |
28 | va_end (ap); | |
29 | return ret; | |
30 | } | |
31 | ||
32 | static int | |
33 | xscanf (const char *fmt, ...) | |
34 | { | |
35 | va_list ap; | |
36 | va_start (ap, fmt); | |
37 | int ret = vscanf (fmt, ap); | |
38 | va_end (ap); | |
39 | return ret; | |
40 | } | |
41 | ||
42 | static int | |
43 | xfscanf (FILE *f, const char *fmt, ...) | |
44 | { | |
45 | va_list ap; | |
46 | va_start (ap, fmt); | |
47 | int ret = vfscanf (f, fmt, ap); | |
48 | va_end (ap); | |
49 | return ret; | |
50 | } | |
51 | ||
52 | int | |
53 | main (void) | |
54 | { | |
55 | float f; | |
56 | double d; | |
57 | char c[8]; | |
58 | int result = 0; | |
59 | ||
60 | if (xsscanf (" 0.25s x", "%e%3c", &f, c) != 2) | |
61 | FAIL (); | |
62 | else if (f != 0.25 || memcmp (c, "s x", 3) != 0) | |
63 | FAIL (); | |
64 | if (xsscanf (" 1.25s x", "%as%2c", &f, c) != 2) | |
65 | FAIL (); | |
66 | else if (f != 1.25 || memcmp (c, " x", 2) != 0) | |
67 | FAIL (); | |
68 | if (xsscanf (" 2.25s x", "%las%2c", &d, c) != 2) | |
69 | FAIL (); | |
70 | else if (d != 2.25 || memcmp (c, " x", 2) != 0) | |
71 | FAIL (); | |
72 | if (xsscanf (" 3.25S x", "%4aS%2c", &f, c) != 2) | |
73 | FAIL (); | |
74 | else if (f != 3.25 || memcmp (c, " x", 2) != 0) | |
75 | FAIL (); | |
76 | if (xsscanf (" 4.25[0-9.] x", "%a[0-9.]%2c", &f, c) != 2) | |
77 | FAIL (); | |
78 | else if (f != 4.25 || memcmp (c, " x", 2) != 0) | |
79 | FAIL (); | |
80 | if (xsscanf (" 5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2) | |
81 | FAIL (); | |
82 | else if (d != 5.25 || memcmp (c, " x", 2) != 0) | |
83 | FAIL (); | |
84 | ||
85 | const char *tmpdir = getenv ("TMPDIR"); | |
86 | if (tmpdir == NULL || tmpdir[0] == '\0') | |
87 | tmpdir = "/tmp"; | |
88 | ||
89 | char fname[strlen (tmpdir) + sizeof "/tst-scanf17.XXXXXX"]; | |
90 | sprintf (fname, "%s/tst-scanf17.XXXXXX", tmpdir); | |
91 | if (fname == NULL) | |
92 | FAIL (); | |
93 | ||
94 | /* Create a temporary file. */ | |
95 | int fd = mkstemp (fname); | |
96 | if (fd == -1) | |
97 | FAIL (); | |
98 | ||
99 | FILE *fp = fdopen (fd, "w+"); | |
100 | if (fp == NULL) | |
101 | FAIL (); | |
102 | else | |
103 | { | |
104 | if (fputs (" 1.25s x", fp) == EOF) | |
105 | FAIL (); | |
106 | if (fseek (fp, 0, SEEK_SET) != 0) | |
107 | FAIL (); | |
108 | if (xfscanf (fp, "%as%2c", &f, c) != 2) | |
109 | FAIL (); | |
110 | else if (f != 1.25 || memcmp (c, " x", 2) != 0) | |
111 | FAIL (); | |
112 | ||
113 | if (freopen (fname, "r", stdin) == NULL) | |
114 | FAIL (); | |
115 | else | |
116 | { | |
117 | if (xscanf ("%as%2c", &f, c) != 2) | |
118 | FAIL (); | |
119 | else if (f != 1.25 || memcmp (c, " x", 2) != 0) | |
120 | FAIL (); | |
121 | } | |
122 | ||
123 | fclose (fp); | |
124 | } | |
125 | ||
126 | remove (fname); | |
127 | ||
128 | return result; | |
129 | } |