summaryrefslogtreecommitdiff
path: root/stdio-common/scanf14.c
blob: 6ca5c7c5679632a34f19189b9fc61896a762149a (plain)
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
#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)

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

  if (sscanf (" 0.25s x", "%e%3c", &f, c) != 2)
    FAIL ();
  else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
    FAIL ();
  if (sscanf (" 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 (sscanf (" 2.25s x", "%las%2c", &d, c) != 2)
    FAIL ();
  else if (d != 2.25 || memcmp (c, " x", 2) != 0)
    FAIL ();
  if (sscanf (" 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 (sscanf ("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 (sscanf ("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-scanf14.XXXXXX"];
  sprintf (fname, "%s/tst-scanf14.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 (fscanf (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 (scanf ("%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;
}