1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
13 #include <type_traits>
16 #error BUFSIZ not defined
20 #error EOF not defined
24 #error FILENAME_MAX not defined
28 #error FOPEN_MAX not defined
32 #error L_tmpnam not defined
36 #error NULL not defined
40 #error SEEK_CUR not defined
44 #error SEEK_END not defined
48 #error SEEK_SET not defined
52 #error TMP_MAX not defined
56 #error _IOFBF not defined
60 #error _IOLBF not defined
64 #error _IONBF not defined
68 #error stderr not defined
72 #error stdin not defined
76 #error stdout not defined
81 #pragma clang diagnostic ignored "-Wformat-zero-length"
90 static_assert((std::is_same<decltype(remove("")), int>::value), "");
91 static_assert((std::is_same<decltype(rename("","")), int>::value), "");
92 static_assert((std::is_same<decltype(tmpfile()), FILE*>::value), "");
93 static_assert((std::is_same<decltype(tmpnam(cp)), char*>::value), "");
94 static_assert((std::is_same<decltype(fclose(fp)), int>::value), "");
95 static_assert((std::is_same<decltype(fflush(fp)), int>::value), "");
96 static_assert((std::is_same<decltype(fopen("", "")), FILE*>::value), "");
97 static_assert((std::is_same<decltype(freopen("", "", fp)), FILE*>::value), "");
98 static_assert((std::is_same<decltype(setbuf(fp,cp)), void>::value), "");
99 static_assert((std::is_same<decltype(vfprintf(fp,"",va)), int>::value), "");
100 static_assert((std::is_same<decltype(fprintf(fp," ")), int>::value), "");
101 static_assert((std::is_same<decltype(fscanf(fp,"")), int>::value), "");
102 static_assert((std::is_same<decltype(printf("\n")), int>::value), "");
103 static_assert((std::is_same<decltype(scanf("\n")), int>::value), "");
104 static_assert((std::is_same<decltype(snprintf(cp,0,"p")), int>::value), "");
105 static_assert((std::is_same<decltype(sprintf(cp," ")), int>::value), "");
106 static_assert((std::is_same<decltype(sscanf("","")), int>::value), "");
107 static_assert((std::is_same<decltype(vfprintf(fp,"",va)), int>::value), "");
108 static_assert((std::is_same<decltype(vfscanf(fp,"",va)), int>::value), "");
109 static_assert((std::is_same<decltype(vprintf(" ",va)), int>::value), "");
110 static_assert((std::is_same<decltype(vscanf("",va)), int>::value), "");
111 static_assert((std::is_same<decltype(vsnprintf(cp,0," ",va)), int>::value), "");
112 static_assert((std::is_same<decltype(vsprintf(cp," ",va)), int>::value), "");
113 static_assert((std::is_same<decltype(vsscanf("","",va)), int>::value), "");
114 static_assert((std::is_same<decltype(fgetc(fp)), int>::value), "");
115 static_assert((std::is_same<decltype(fgets(cp,0,fp)), char*>::value), "");
116 static_assert((std::is_same<decltype(fputc(0,fp)), int>::value), "");
117 static_assert((std::is_same<decltype(fputs("",fp)), int>::value), "");
118 static_assert((std::is_same<decltype(getc(fp)), int>::value), "");
119 static_assert((std::is_same<decltype(getchar()), int>::value), "");
120 #if _LIBCPP_STD_VER < 14
121 static_assert((std::is_same<decltype(gets(cp)), char*>::value), "");
123 static_assert((std::is_same<decltype(putc(0,fp)), int>::value), "");
124 static_assert((std::is_same<decltype(putchar(0)), int>::value), "");
125 static_assert((std::is_same<decltype(puts("")), int>::value), "");
126 static_assert((std::is_same<decltype(ungetc(0,fp)), int>::value), "");
127 static_assert((std::is_same<decltype(fread((void*)0,0,0,fp)), size_t>::value), "");
128 static_assert((std::is_same<decltype(fwrite((const void*)0,0,0,fp)), size_t>::value), "");
129 static_assert((std::is_same<decltype(fgetpos(fp, &fpos)), int>::value), "");
130 static_assert((std::is_same<decltype(fseek(fp, 0,0)), int>::value), "");
131 static_assert((std::is_same<decltype(fsetpos(fp, &fpos)), int>::value), "");
132 static_assert((std::is_same<decltype(ftell(fp)), long>::value), "");
133 static_assert((std::is_same<decltype(rewind(fp)), void>::value), "");
134 static_assert((std::is_same<decltype(clearerr(fp)), void>::value), "");
135 static_assert((std::is_same<decltype(feof(fp)), int>::value), "");
136 static_assert((std::is_same<decltype(ferror(fp)), int>::value), "");
137 static_assert((std::is_same<decltype(perror("")), void>::value), "");