1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===//
2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant//                     The LLVM Compiler Infrastructure
4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open
6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details.
7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===//
9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// test <stdio.h>
11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <stdio.h>
13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <type_traits>
14212714f805dc3b00e351b1556395f18c5ae70c25Eric Fiselier#include "test_macros.h"
15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef BUFSIZ
17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error BUFSIZ not defined
18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef EOF
21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error EOF not defined
22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef FILENAME_MAX
25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error FILENAME_MAX not defined
26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef FOPEN_MAX
29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error FOPEN_MAX not defined
30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef L_tmpnam
33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error L_tmpnam not defined
34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef NULL
37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error NULL not defined
38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef SEEK_CUR
41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error SEEK_CUR not defined
42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef SEEK_END
45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error SEEK_END not defined
46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef SEEK_SET
49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error SEEK_SET not defined
50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef TMP_MAX
53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error TMP_MAX not defined
54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef _IOFBF
57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error _IOFBF not defined
58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef _IOLBF
61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error _IOLBF not defined
62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef _IONBF
65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error _IONBF not defined
66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef stderr
69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error stderr not defined
70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef stdin
73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error stdin not defined
74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef stdout
77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error stdout not defined
78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cstdarg>
81bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
82212714f805dc3b00e351b1556395f18c5ae70c25Eric Fiselier#pragma GCC diagnostic ignored "-Wformat-zero-length"
83212714f805dc3b00e351b1556395f18c5ae70c25Eric Fiselier#pragma GCC diagnostic ignored "-Wdeprecated-declarations" // for tmpnam
84896baa2547b5e520c72cda5768d3af2d48f50285Howard Hinnant
85bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main()
86bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{
87bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    FILE* fp = 0;
88bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    fpos_t fpos = {0};
89212714f805dc3b00e351b1556395f18c5ae70c25Eric Fiselier    size_t s = 0; ((void)s);
90bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    char* cp = 0;
91212714f805dc3b00e351b1556395f18c5ae70c25Eric Fiselier    char arr[] = {'a', 'b'};
92bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    va_list va;
93bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(remove("")), int>::value), "");
94bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(rename("","")), int>::value), "");
95bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(tmpfile()), FILE*>::value), "");
96bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(tmpnam(cp)), char*>::value), "");
97bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fclose(fp)), int>::value), "");
98bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fflush(fp)), int>::value), "");
99bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fopen("", "")), FILE*>::value), "");
100bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(freopen("", "", fp)), FILE*>::value), "");
101bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(setbuf(fp,cp)), void>::value), "");
102bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(vfprintf(fp,"",va)), int>::value), "");
1030a111118a60290ec0c650fbd0327403c4b118bddHoward Hinnant    static_assert((std::is_same<decltype(fprintf(fp," ")), int>::value), "");
104bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fscanf(fp,"")), int>::value), "");
1050a111118a60290ec0c650fbd0327403c4b118bddHoward Hinnant    static_assert((std::is_same<decltype(printf("\n")), int>::value), "");
1060a111118a60290ec0c650fbd0327403c4b118bddHoward Hinnant    static_assert((std::is_same<decltype(scanf("\n")), int>::value), "");
1070a111118a60290ec0c650fbd0327403c4b118bddHoward Hinnant    static_assert((std::is_same<decltype(snprintf(cp,0,"p")), int>::value), "");
1080a111118a60290ec0c650fbd0327403c4b118bddHoward Hinnant    static_assert((std::is_same<decltype(sprintf(cp," ")), int>::value), "");
109bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(sscanf("","")), int>::value), "");
110bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(vfprintf(fp,"",va)), int>::value), "");
111bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(vfscanf(fp,"",va)), int>::value), "");
1120a111118a60290ec0c650fbd0327403c4b118bddHoward Hinnant    static_assert((std::is_same<decltype(vprintf(" ",va)), int>::value), "");
113bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(vscanf("",va)), int>::value), "");
1140a111118a60290ec0c650fbd0327403c4b118bddHoward Hinnant    static_assert((std::is_same<decltype(vsnprintf(cp,0," ",va)), int>::value), "");
1150a111118a60290ec0c650fbd0327403c4b118bddHoward Hinnant    static_assert((std::is_same<decltype(vsprintf(cp," ",va)), int>::value), "");
116bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(vsscanf("","",va)), int>::value), "");
117bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fgetc(fp)), int>::value), "");
118bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fgets(cp,0,fp)), char*>::value), "");
119bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fputc(0,fp)), int>::value), "");
120bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fputs("",fp)), int>::value), "");
121bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(getc(fp)), int>::value), "");
122bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(getchar()), int>::value), "");
123212714f805dc3b00e351b1556395f18c5ae70c25Eric Fiselier#if TEST_STD_VER < 14
124bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(gets(cp)), char*>::value), "");
125e48b0c40ad37cb38282e3005cfe1992922768f70Eric Fiselier#endif
126bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(putc(0,fp)), int>::value), "");
127bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(putchar(0)), int>::value), "");
128bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(puts("")), int>::value), "");
129bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(ungetc(0,fp)), int>::value), "");
130bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fread((void*)0,0,0,fp)), size_t>::value), "");
131212714f805dc3b00e351b1556395f18c5ae70c25Eric Fiselier    static_assert((std::is_same<decltype(fwrite((const void*)arr,1,0,fp)), size_t>::value), "");
132bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fgetpos(fp, &fpos)), int>::value), "");
133bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fseek(fp, 0,0)), int>::value), "");
134bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(fsetpos(fp, &fpos)), int>::value), "");
135bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(ftell(fp)), long>::value), "");
136bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(rewind(fp)), void>::value), "");
137bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(clearerr(fp)), void>::value), "");
138bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(feof(fp)), int>::value), "");
139bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(ferror(fp)), int>::value), "");
140bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(perror("")), void>::value), "");
141bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}
142