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