1 /* Test of POSIX compatible printf() function.
2 Copyright (C) 2007, 2009-2021 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
18
19 #include <config.h>
20
21 #include <stdio.h>
22
23 /* This test assumes getrlimit() and setrlimit().
24 With "gcc -fcheck-pointer-bounds -mmpx -static", it produces an
25 endless loop of "Saw a #BR!" messages. */
26 #if HAVE_GETRLIMIT && HAVE_SETRLIMIT && !defined __CHKP__
27
28 #include <stdlib.h>
29 #include <sys/types.h>
30 #include <sys/time.h>
31 #include <sys/resource.h>
32 #include <string.h>
33 #include <errno.h>
34
35 #include "qemu.h"
36
37 int
main(int argc,char * argv[])38 main (int argc, char *argv[])
39 {
40 struct rlimit limit;
41 int arg;
42 int ret;
43
44 if (is_running_under_qemu_user ())
45 return 77;
46
47 /* Some printf implementations allocate temporary space with malloc. */
48 /* On BSD systems, malloc() is limited by RLIMIT_DATA. */
49 #ifdef RLIMIT_DATA
50 if (getrlimit (RLIMIT_DATA, &limit) < 0)
51 return 77;
52 if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 10000000)
53 limit.rlim_max = 10000000;
54 limit.rlim_cur = limit.rlim_max;
55 if (setrlimit (RLIMIT_DATA, &limit) < 0)
56 return 77;
57 #endif
58 /* On Linux systems, malloc() is limited by RLIMIT_AS. */
59 #ifdef RLIMIT_AS
60 if (getrlimit (RLIMIT_AS, &limit) < 0)
61 return 77;
62 if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 10000000)
63 limit.rlim_max = 10000000;
64 limit.rlim_cur = limit.rlim_max;
65 if (setrlimit (RLIMIT_AS, &limit) < 0)
66 return 77;
67 #endif
68 /* Some printf implementations allocate temporary space on the stack. */
69 #ifdef RLIMIT_STACK
70 if (getrlimit (RLIMIT_STACK, &limit) < 0)
71 return 77;
72 if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 10000000)
73 limit.rlim_max = 10000000;
74 limit.rlim_cur = limit.rlim_max;
75 if (setrlimit (RLIMIT_STACK, &limit) < 0)
76 return 77;
77 #endif
78
79 arg = atoi (argv[1]);
80 switch (arg)
81 {
82 case 0:
83 {
84 void *memory = malloc (10000000);
85 if (memory == NULL)
86 return 1;
87 memset (memory, 17, 10000000);
88 return 78;
89 }
90 case 1:
91 ret = printf ("%.10000000f", 1.0);
92 return !(ret == 10000002 || (ret < 0 && errno == ENOMEM));
93 case 2:
94 ret = printf ("%.10000000f", -1.0);
95 return !(ret == 10000003 || (ret < 0 && errno == ENOMEM));
96 case 3:
97 ret = printf ("%.10000000e", 1.0);
98 return !(ret >= 10000006 || (ret < 0 && errno == ENOMEM));
99 case 4:
100 ret = printf ("%.10000000d", 1);
101 return !(ret == 10000000 || (ret < 0 && errno == ENOMEM));
102 case 5:
103 ret = printf ("%.10000000d", -1);
104 return !(ret == 10000001 || (ret < 0 && errno == ENOMEM));
105 case 6:
106 ret = printf ("%.10000000u", 1);
107 return !(ret == 10000000 || (ret < 0 && errno == ENOMEM));
108 }
109 return 0;
110 }
111
112 #else
113
114 int
main(int argc,char * argv[])115 main (int argc, char *argv[])
116 {
117 return 77;
118 }
119
120 #endif
121