1 /*
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright © 2021 Keith Packard
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
17 *
18 * 3. Neither the name of the copyright holder nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
33 * OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #define _GNU_SOURCE
37 #include <string.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <stdbool.h>
41
42 int
check(char * label,bool ok,int expect,int got)43 check(char *label, bool ok, int expect, int got)
44 {
45 if (!ok) {
46 fprintf(stderr, "%s: expect %d got %d\n", label, expect, got);
47 return 1;
48 }
49 return 0;
50 }
51
52 int
check_s(char * label,bool ok,size_t expect,size_t got)53 check_s(char *label, bool ok, size_t expect, size_t got)
54 {
55 if (!ok) {
56 fprintf(stderr, "%s: expect %zd got %zd\n", label, expect, got);
57 return 1;
58 }
59 return 0;
60 }
61
62 int
main(void)63 main(void)
64 {
65 int a;
66 size_t s;
67 int ret = 0;
68
69 a = putc('X', stdout);
70 ret += check("putc", a == 'X', 'X', a);
71
72 a = putchar('Y');
73 ret += check("putchar", a == 'Y', 'Y', a);
74
75 a = fputc('Z', stdout);
76 ret += check("fputc", a == 'Z', 'Z', a);
77
78 a = puts("puts");
79 ret += check ("puts", a >= 0, 0, a);
80
81 a = fputs("fputs\n", stdout);
82 ret += check ("fputs", a >= 0, 0, a);
83
84 s = fwrite("fwrite 1\n", 1, 9, stdout);
85 ret += check_s ("fwrite 1", s == 9, 9, s);
86
87 s = fwrite("fwrite 2\n", 0, 9, stdout);
88 ret += check_s ("fwrite 2", s == 0, 0, s);
89
90 s = fwrite("fwrite 3\n", 0, 0, stdout);
91 ret += check_s ("fwrite 3", s == 0, 0, s);
92
93 return ret;
94 }
95