1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// test <stdio.h>
11
12#include <stdio.h>
13#include <type_traits>
14#include "test_macros.h"
15
16#ifndef BUFSIZ
17#error BUFSIZ not defined
18#endif
19
20#ifndef EOF
21#error EOF not defined
22#endif
23
24#ifndef FILENAME_MAX
25#error FILENAME_MAX not defined
26#endif
27
28#ifndef FOPEN_MAX
29#error FOPEN_MAX not defined
30#endif
31
32#ifndef L_tmpnam
33#error L_tmpnam not defined
34#endif
35
36#ifndef NULL
37#error NULL not defined
38#endif
39
40#ifndef SEEK_CUR
41#error SEEK_CUR not defined
42#endif
43
44#ifndef SEEK_END
45#error SEEK_END not defined
46#endif
47
48#ifndef SEEK_SET
49#error SEEK_SET not defined
50#endif
51
52#ifndef TMP_MAX
53#error TMP_MAX not defined
54#endif
55
56#ifndef _IOFBF
57#error _IOFBF not defined
58#endif
59
60#ifndef _IOLBF
61#error _IOLBF not defined
62#endif
63
64#ifndef _IONBF
65#error _IONBF not defined
66#endif
67
68#ifndef stderr
69#error stderr not defined
70#endif
71
72#ifndef stdin
73#error stdin not defined
74#endif
75
76#ifndef stdout
77#error stdout not defined
78#endif
79
80#include <cstdarg>
81
82#pragma GCC diagnostic ignored "-Wformat-zero-length"
83#pragma GCC diagnostic ignored "-Wdeprecated-declarations" // for tmpnam
84
85int main()
86{
87    FILE* fp = 0;
88    fpos_t fpos = {0};
89    size_t s = 0; ((void)s);
90    char* cp = 0;
91    char arr[] = {'a', 'b'};
92    va_list va;
93    static_assert((std::is_same<decltype(remove("")), int>::value), "");
94    static_assert((std::is_same<decltype(rename("","")), int>::value), "");
95    static_assert((std::is_same<decltype(tmpfile()), FILE*>::value), "");
96    static_assert((std::is_same<decltype(tmpnam(cp)), char*>::value), "");
97    static_assert((std::is_same<decltype(fclose(fp)), int>::value), "");
98    static_assert((std::is_same<decltype(fflush(fp)), int>::value), "");
99    static_assert((std::is_same<decltype(fopen("", "")), FILE*>::value), "");
100    static_assert((std::is_same<decltype(freopen("", "", fp)), FILE*>::value), "");
101    static_assert((std::is_same<decltype(setbuf(fp,cp)), void>::value), "");
102    static_assert((std::is_same<decltype(vfprintf(fp,"",va)), int>::value), "");
103    static_assert((std::is_same<decltype(fprintf(fp," ")), int>::value), "");
104    static_assert((std::is_same<decltype(fscanf(fp,"")), int>::value), "");
105    static_assert((std::is_same<decltype(printf("\n")), int>::value), "");
106    static_assert((std::is_same<decltype(scanf("\n")), int>::value), "");
107    static_assert((std::is_same<decltype(snprintf(cp,0,"p")), int>::value), "");
108    static_assert((std::is_same<decltype(sprintf(cp," ")), int>::value), "");
109    static_assert((std::is_same<decltype(sscanf("","")), int>::value), "");
110    static_assert((std::is_same<decltype(vfprintf(fp,"",va)), int>::value), "");
111    static_assert((std::is_same<decltype(vfscanf(fp,"",va)), int>::value), "");
112    static_assert((std::is_same<decltype(vprintf(" ",va)), int>::value), "");
113    static_assert((std::is_same<decltype(vscanf("",va)), int>::value), "");
114    static_assert((std::is_same<decltype(vsnprintf(cp,0," ",va)), int>::value), "");
115    static_assert((std::is_same<decltype(vsprintf(cp," ",va)), int>::value), "");
116    static_assert((std::is_same<decltype(vsscanf("","",va)), int>::value), "");
117    static_assert((std::is_same<decltype(fgetc(fp)), int>::value), "");
118    static_assert((std::is_same<decltype(fgets(cp,0,fp)), char*>::value), "");
119    static_assert((std::is_same<decltype(fputc(0,fp)), int>::value), "");
120    static_assert((std::is_same<decltype(fputs("",fp)), int>::value), "");
121    static_assert((std::is_same<decltype(getc(fp)), int>::value), "");
122    static_assert((std::is_same<decltype(getchar()), int>::value), "");
123#if TEST_STD_VER < 14
124    static_assert((std::is_same<decltype(gets(cp)), char*>::value), "");
125#endif
126    static_assert((std::is_same<decltype(putc(0,fp)), int>::value), "");
127    static_assert((std::is_same<decltype(putchar(0)), int>::value), "");
128    static_assert((std::is_same<decltype(puts("")), int>::value), "");
129    static_assert((std::is_same<decltype(ungetc(0,fp)), int>::value), "");
130    static_assert((std::is_same<decltype(fread((void*)0,0,0,fp)), size_t>::value), "");
131    static_assert((std::is_same<decltype(fwrite((const void*)arr,1,0,fp)), size_t>::value), "");
132    static_assert((std::is_same<decltype(fgetpos(fp, &fpos)), int>::value), "");
133    static_assert((std::is_same<decltype(fseek(fp, 0,0)), int>::value), "");
134    static_assert((std::is_same<decltype(fsetpos(fp, &fpos)), int>::value), "");
135    static_assert((std::is_same<decltype(ftell(fp)), long>::value), "");
136    static_assert((std::is_same<decltype(rewind(fp)), void>::value), "");
137    static_assert((std::is_same<decltype(clearerr(fp)), void>::value), "");
138    static_assert((std::is_same<decltype(feof(fp)), int>::value), "");
139    static_assert((std::is_same<decltype(ferror(fp)), int>::value), "");
140    static_assert((std::is_same<decltype(perror("")), void>::value), "");
141}
142