File: tst-printfsz.c

package info (click to toggle)
glibc 2.24-11+deb9u4
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • 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 (81 lines) | stat: -rw-r--r-- 2,236 bytes parent folder | download | duplicates (5)
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
/* Based on code by Larry McVoy <lm@neteng.engr.sgi.com>.  */
#include <printf.h>
#include <stdio.h>
#include <string.h>
#include <libc-internal.h>

#define V       12345678.12345678


static int
do_test (void)
{
  char buf[1024];
  int result = 0;

  /* Testing printf_size_info requires using the deprecated
     register_printf_function, resulting in warnings
     "'register_printf_function' is deprecated".  */
  DIAG_PUSH_NEEDS_COMMENT;
  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wdeprecated-declarations");
  /* Register the printf handlers.  */
  register_printf_function ('b', printf_size, printf_size_info);
  register_printf_function ('B', printf_size, printf_size_info);
  DIAG_POP_NEEDS_COMMENT;

  /* All of the formats here use the nonstandard extension specifier
     just registered, so compiler checking will never grok them.  */
  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat-extra-args");

  sprintf (buf, "%g %b %B %.0b %.0B %.1b %.1B %8.0b %08.0B",
	   V, 1025., V, V, V, V, V, V, V, V);
  fputs (buf, stdout);
  if (strcmp (buf, "\
1.23457e+07 1.001k 12.346M 12m 12M 11.8m 12.3M      12m 0000012M"))
    {
      result = 1;
      fputs (" -> WRONG\n", stdout);
    }
  else
    fputs (" -> OK\n", stdout);

  sprintf (buf, "%b|%B|%-20.2b|%-10.0b|%-10.8b|%-10.2B|",
	   V, V, V, V, V, V, V, V, V, V, V);
  fputs (buf, stdout);
  if (strcmp (buf, "\
11.774m|12.346M|11.77m              |12m       |11.77375614m|12.35M    |"))
    {
      result = 1;
      fputs (" -> WRONG\n", stdout);
    }
  else
    fputs (" -> OK\n", stdout);

  sprintf (buf, "%#.0B %*.0b %10.*b %*.*B %10.2B",
	   V, 2, V, 2, V, 10, 2, V, V);
  fputs (buf, stdout);
  if (strcmp (buf, "12.M 12m     11.77m     12.35M     12.35M"))
    {
      result = 1;
      fputs (" -> WRONG\n", stdout);
    }
  else
    fputs (" -> OK\n", stdout);

  sprintf (buf, "%6B %6.1B %b %B %b %B",
	   V, V, 1000.0, 1000.0, 1024.0, 1024.0);
  fputs (buf, stdout);
  if (strcmp (buf, "12.346M  12.3M 1000.000  1.000K 1.000k 1.024K"))
    {
      result = 1;
      fputs (" -> WRONG\n", stdout);
    }
  else
    fputs (" -> OK\n", stdout);

  return result;
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"