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
main()85 int 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