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192.168.1.100 / T106_DC / db4f43f0150836941f56a4d2e2923f7182328607 / . / ap / libc / glibc / glibc-2.22 / stdio-common / scanf16.c
blob: 3e3cb417f2100d82eed970df51ddbc240aaba167 [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -0700[diff] [blame]1#include <stdarg.h>
2#include <stdio.h>
3#include <stdlib.h>
4#include <string.h>
5#include <wchar.h>
6
7#define FAIL() \
8 do { \
9 result = 1; \
10 printf ("test at line %d failed\n", __LINE__); \
11 } while (0)
12
13static int
14xsscanf (const char *str, const char *fmt, ...)
15{
16 va_list ap;
17 va_start (ap, fmt);
18 int ret = vsscanf (str, fmt, ap);
19 va_end (ap);
20 return ret;
21}
22
23static int
24xscanf (const char *fmt, ...)
25{
26 va_list ap;
27 va_start (ap, fmt);
28 int ret = vscanf (fmt, ap);
29 va_end (ap);
30 return ret;
31}
32
33static int
34xfscanf (FILE *f, const char *fmt, ...)
35{
36 va_list ap;
37 va_start (ap, fmt);
38 int ret = vfscanf (f, fmt, ap);
39 va_end (ap);
40 return ret;
41}
42
43int
44main (void)
45{
46 wchar_t *lsp;
47 char *sp;
48 float f;
49 double d;
50 char c[8];
51 int result = 0;
52
53 if (xsscanf (" 0.25s x", "%e%3c", &f, c) != 2)
54 FAIL ();
55 else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
56 FAIL ();
57 if (xsscanf (" 1.25s x", "%as%2c", &sp, c) != 2)
58 FAIL ();
59 else
60 {
61 if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
62 FAIL ();
63 memset (sp, 'x', sizeof "1.25s");
64 free (sp);
65 }
66 if (xsscanf (" 2.25s x", "%las%2c", &d, c) != 2)
67 FAIL ();
68 else if (d != 2.25 || memcmp (c, " x", 2) != 0)
69 FAIL ();
70 if (xsscanf (" 3.25S x", "%4aS%3c", &lsp, c) != 2)
71 FAIL ();
72 else
73 {
74 if (wcscmp (lsp, L"3.25") != 0 || memcmp (c, "S x", 3) != 0)
75 FAIL ();
76 memset (lsp, 'x', sizeof L"3.25");
77 free (lsp);
78 }
79 if (xsscanf ("4.25[0-9.] x", "%a[0-9.]%8c", &sp, c) != 2)
80 FAIL ();
81 else
82 {
83 if (strcmp (sp, "4.25") != 0 || memcmp (c, "[0-9.] x", 8) != 0)
84 FAIL ();
85 memset (sp, 'x', sizeof "4.25");
86 free (sp);
87 }
88 if (xsscanf ("5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2)
89 FAIL ();
90 else if (d != 5.25 || memcmp (c, " x", 2) != 0)
91 FAIL ();
92
93 const char *tmpdir = getenv ("TMPDIR");
94 if (tmpdir == NULL || tmpdir[0] == '\0')
95 tmpdir = "/tmp";
96
97 char fname[strlen (tmpdir) + sizeof "/tst-scanf16.XXXXXX"];
98 sprintf (fname, "%s/tst-scanf16.XXXXXX", tmpdir);
99 if (fname == NULL)
100 FAIL ();
101
102 /* Create a temporary file. */
103 int fd = mkstemp (fname);
104 if (fd == -1)
105 FAIL ();
106
107 FILE *fp = fdopen (fd, "w+");
108 if (fp == NULL)
109 FAIL ();
110 else
111 {
112 if (fputs (" 1.25s x", fp) == EOF)
113 FAIL ();
114 if (fseek (fp, 0, SEEK_SET) != 0)
115 FAIL ();
116 if (xfscanf (fp, "%as%2c", &sp, c) != 2)
117 FAIL ();
118 else
119 {
120 if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
121 FAIL ();
122 memset (sp, 'x', sizeof "1.25s");
123 free (sp);
124 }
125
126 if (freopen (fname, "r", stdin) == NULL)
127 FAIL ();
128 else
129 {
130 if (xscanf ("%as%2c", &sp, c) != 2)
131 FAIL ();
132 else
133 {
134 if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
135 FAIL ();
136 memset (sp, 'x', sizeof "1.25s");
137 free (sp);
138 }
139 }
140
141 fclose (fp);
142 }
143
144 remove (fname);
145
146 return result;
147}