summary refs log tree commit diff
path: root/stdio-common/tstscanf.c
blob: d76d95b1b77f1483d15f7fe99e3f6f7fd9f43868 (plain) (blame)
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
/* Copyright (C) 1991, 1992, 1996, 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifdef	BSD
#include </usr/include/stdio.h>
#else
#include <stdio.h>
#endif
#include <stdlib.h>
#include <string.h>


int
main (int argc, char **argv)
{
  char buf[BUFSIZ];
  FILE *in = stdin, *out = stdout;
  int x;

  if (sscanf ("0", "%d", &x) != 1)
    exit (EXIT_FAILURE);

  sscanf ("conversion] Zero flag Ze]ro#\n", "%*[^]] %[^#]\n", buf);
  if (strcmp (buf, "] Zero flag Ze]ro") != 0)
    {
      fputs ("test failed!\n", stderr);
      return 1;
    }

  if (argc == 2 && !strcmp (argv[1], "-opipe"))
    {
      out = popen ("/bin/cat", "w");
      if (out == NULL)
	{
	  perror ("popen: /bin/cat");
	  exit (EXIT_FAILURE);
	}
    }
  else if (argc == 3 && !strcmp (argv[1], "-ipipe"))
    {
      sprintf (buf, "/bin/cat %s", argv[2]);
      in = popen (buf, "r");
    }

  {
    char name[50];
    fprintf (out,
	     "sscanf (\"thompson\", \"%%s\", name) == %d, name == \"%s\"\n",
	     sscanf ("thompson", "%s", name),
	     name);
    if (strcmp (name, "thompson") != 0)
      return 1;
  }

  fputs ("Testing scanf (vfscanf)\n", out);

  fputs ("Test 1:\n", out);
  {
    int n, i;
    float x;
    char name[50];
    n = fscanf (in, "%d%f%s", &i, &x, name);
    fprintf (out, "n = %d, i = %d, x = %f, name = \"%.50s\"\n",
	     n, i, x, name);
    if (n != 3 || i != 25 || x != 5.432F || strcmp (name, "thompson"))
      return 1;
  }
  fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in));
  if (strcmp (buf, "\n"))
    return 1;
  fputs ("Test 2:\n", out);
  {
    int i;
    float x;
    char name[50];
    (void) fscanf (in, "%2d%f%*d %[0123456789]", &i, &x, name);
    fprintf (out, "i = %d, x = %f, name = \"%.50s\"\n", i, x, name);
    if (i != 56 || x != 789.0F || strcmp(name, "56"))
      return 1;
  }
  fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in));
  if (strcmp (buf, "a72\n"))
    return 1;
  fputs ("Test 3:\n", out);
  {
    static struct {
      int count;
      float quant;
      const char *units;
      const char *item;
    } ok[] = {
      { 3, 2.0F, "quarts", "oil" },
      { 2, -12.8F, "degrees", "" },
      { 0, 0.0F, "", "" },
      { 3, 10.0F, "LBS", "fertilizer" },
      { 3, 100.0F, "rgs", "energy" },
      { -1, 0.0F, "", "" }};
    size_t rounds = 0;
    float quant;
    char units[21], item[21];
    while (!feof (in) && !ferror (in))
      {
	int count;

	if (rounds++ >= sizeof (ok) / sizeof (ok[0]))
	  return 1;

	quant = 0.0;
	units[0] = item[0] = '\0';
	count = fscanf (in, "%f%20s of %20s", &quant, units, item);
	(void) fscanf (in, "%*[^\n]");
	fprintf (out, "count = %d, quant = %f, item = %.21s, units = %.21s\n",
		 count, quant, item, units);
	if (count != ok[rounds-1].count || quant != ok[rounds-1].quant
	    || strcmp (item, ok[rounds-1].item)
	    || strcmp (units, ok[rounds-1].units))
	  return 1;
      }
  }
  buf[0] = '\0';
  fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in));
  if (strcmp (buf, ""))
    return 1;

  if (out != stdout)
    pclose (out);

  exit(EXIT_SUCCESS);
}