File: scanf16.c

package info (click to toggle)
glibc 2.24-11+deb9u4
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 225,852 kB
  • sloc: ansic: 996,505; asm: 261,827; sh: 10,484; makefile: 9,856; cpp: 4,169; python: 3,971; perl: 2,254; awk: 1,753; pascal: 1,521; yacc: 291; sed: 80
file content (147 lines) | stat: -rw-r--r-- 2,916 bytes parent folder | download | duplicates (24)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>

#define FAIL() \
  do {							\
    result = 1;						\
    printf ("test at line %d failed\n", __LINE__);	\
  } while (0)

static int
xsscanf (const char *str, const char *fmt, ...)
{
  va_list ap;
  va_start (ap, fmt);
  int ret = vsscanf (str, fmt, ap);
  va_end (ap);
  return ret;
}

static int
xscanf (const char *fmt, ...)
{
  va_list ap;
  va_start (ap, fmt);
  int ret = vscanf (fmt, ap);
  va_end (ap);
  return ret;
}

static int
xfscanf (FILE *f, const char *fmt, ...)
{
  va_list ap;
  va_start (ap, fmt);
  int ret = vfscanf (f, fmt, ap);
  va_end (ap);
  return ret;
}

int
main (void)
{
  wchar_t *lsp;
  char *sp;
  float f;
  double d;
  char c[8];
  int result = 0;

  if (xsscanf (" 0.25s x", "%e%3c", &f, c) != 2)
    FAIL ();
  else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
    FAIL ();
  if (xsscanf (" 1.25s x", "%as%2c", &sp, c) != 2)
    FAIL ();
  else
    {
      if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
	FAIL ();
      memset (sp, 'x', sizeof "1.25s");
      free (sp);
    }
  if (xsscanf (" 2.25s x", "%las%2c", &d, c) != 2)
    FAIL ();
  else if (d != 2.25 || memcmp (c, " x", 2) != 0)
    FAIL ();
  if (xsscanf (" 3.25S x", "%4aS%3c", &lsp, c) != 2)
    FAIL ();
  else
    {
      if (wcscmp (lsp, L"3.25") != 0 || memcmp (c, "S x", 3) != 0)
	FAIL ();
      memset (lsp, 'x', sizeof L"3.25");
      free (lsp);
    }
  if (xsscanf ("4.25[0-9.] x", "%a[0-9.]%8c", &sp, c) != 2)
    FAIL ();
  else
    {
      if (strcmp (sp, "4.25") != 0 || memcmp (c, "[0-9.] x", 8) != 0)
	FAIL ();
      memset (sp, 'x', sizeof "4.25");
      free (sp);
    }
  if (xsscanf ("5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2)
    FAIL ();
  else if (d != 5.25 || memcmp (c, " x", 2) != 0)
    FAIL ();

  const char *tmpdir = getenv ("TMPDIR");
  if (tmpdir == NULL || tmpdir[0] == '\0')
    tmpdir = "/tmp";

  char fname[strlen (tmpdir) + sizeof "/tst-scanf16.XXXXXX"];
  sprintf (fname, "%s/tst-scanf16.XXXXXX", tmpdir);
  if (fname == NULL)
    FAIL ();

  /* Create a temporary file.   */
  int fd = mkstemp (fname);
  if (fd == -1)
    FAIL ();

  FILE *fp = fdopen (fd, "w+");
  if (fp == NULL)
    FAIL ();
  else
    {
      if (fputs (" 1.25s x", fp) == EOF)
	FAIL ();
      if (fseek (fp, 0, SEEK_SET) != 0)
	FAIL ();
      if (xfscanf (fp, "%as%2c", &sp, c) != 2)
	FAIL ();
      else
	{
	  if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
	    FAIL ();
	  memset (sp, 'x', sizeof "1.25s");
	  free (sp);
	}

      if (freopen (fname, "r", stdin) == NULL)
	FAIL ();
      else
	{
	  if (xscanf ("%as%2c", &sp, c) != 2)
	    FAIL ();
	  else
	    {
	      if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
		FAIL ();
	      memset (sp, 'x', sizeof "1.25s");
	      free (sp);
	    }
	}

      fclose (fp);
    }

  remove (fname);

  return result;
}