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 #ifdef getc 17 #error getc is defined 18 #endif 19 20 #ifdef putc 21 #error putc is defined 22 #endif 23 24 #ifdef clearerr 25 #error clearerr is defined 26 #endif 27 28 #ifdef feof 29 #error feof is defined 30 #endif 31 32 #ifdef ferror 33 #error ferror is defined 34 #endif 35 36 #ifndef BUFSIZ 37 #error BUFSIZ not defined 38 #endif 39 40 #ifndef EOF 41 #error EOF not defined 42 #endif 43 44 #ifndef FILENAME_MAX 45 #error FILENAME_MAX not defined 46 #endif 47 48 #ifndef FOPEN_MAX 49 #error FOPEN_MAX not defined 50 #endif 51 52 #ifndef L_tmpnam 53 #error L_tmpnam not defined 54 #endif 55 56 #ifndef NULL 57 #error NULL not defined 58 #endif 59 60 #ifndef SEEK_CUR 61 #error SEEK_CUR not defined 62 #endif 63 64 #ifndef SEEK_END 65 #error SEEK_END not defined 66 #endif 67 68 #ifndef SEEK_SET 69 #error SEEK_SET not defined 70 #endif 71 72 #ifndef TMP_MAX 73 #error TMP_MAX not defined 74 #endif 75 76 #ifndef _IOFBF 77 #error _IOFBF not defined 78 #endif 79 80 #ifndef _IOLBF 81 #error _IOLBF not defined 82 #endif 83 84 #ifndef _IONBF 85 #error _IONBF not defined 86 #endif 87 88 #ifndef stderr 89 #error stderr not defined 90 #endif 91 92 #ifndef stdin 93 #error stdin not defined 94 #endif 95 96 #ifndef stdout 97 #error stdout not defined 98 #endif 99 100 #include <cstdarg> 101 102 #if defined(__GNUC__) || defined(__clang__) 103 #pragma GCC diagnostic ignored "-Wformat-zero-length" 104 #pragma GCC diagnostic ignored "-Wdeprecated-declarations" // for tmpnam 105 #endif 106 107 int main() 108 { 109 FILE* fp = 0; 110 fpos_t fpos = fpos_t(); 111 size_t s = 0; 112 char* cp = 0; 113 char arr[] = {'a', 'b'}; 114 va_list va; 115 ((void)fp); // Prevent unused warning 116 ((void)fpos); // Prevent unused warning 117 ((void)s); // Prevent unused warning 118 ((void)cp); // Prevent unused warning 119 ((void)arr); // Prevent unused warning 120 ((void)va); // Prevent unused warning 121 static_assert((std::is_same<decltype(remove("")), int>::value), ""); 122 static_assert((std::is_same<decltype(rename("","")), int>::value), ""); 123 static_assert((std::is_same<decltype(tmpfile()), FILE*>::value), ""); 124 static_assert((std::is_same<decltype(tmpnam(cp)), char*>::value), ""); 125 static_assert((std::is_same<decltype(fclose(fp)), int>::value), ""); 126 static_assert((std::is_same<decltype(fflush(fp)), int>::value), ""); 127 static_assert((std::is_same<decltype(fopen("", "")), FILE*>::value), ""); 128 static_assert((std::is_same<decltype(freopen("", "", fp)), FILE*>::value), ""); 129 static_assert((std::is_same<decltype(setbuf(fp,cp)), void>::value), ""); 130 static_assert((std::is_same<decltype(vfprintf(fp,"",va)), int>::value), ""); 131 static_assert((std::is_same<decltype(fprintf(fp," ")), int>::value), ""); 132 static_assert((std::is_same<decltype(fscanf(fp,"")), int>::value), ""); 133 static_assert((std::is_same<decltype(printf("\n")), int>::value), ""); 134 static_assert((std::is_same<decltype(scanf("\n")), int>::value), ""); 135 static_assert((std::is_same<decltype(snprintf(cp,0,"p")), int>::value), ""); 136 static_assert((std::is_same<decltype(sprintf(cp," ")), int>::value), ""); 137 static_assert((std::is_same<decltype(sscanf("","")), int>::value), ""); 138 static_assert((std::is_same<decltype(vfprintf(fp,"",va)), int>::value), ""); 139 static_assert((std::is_same<decltype(vfscanf(fp,"",va)), int>::value), ""); 140 static_assert((std::is_same<decltype(vprintf(" ",va)), int>::value), ""); 141 static_assert((std::is_same<decltype(vscanf("",va)), int>::value), ""); 142 static_assert((std::is_same<decltype(vsnprintf(cp,0," ",va)), int>::value), ""); 143 static_assert((std::is_same<decltype(vsprintf(cp," ",va)), int>::value), ""); 144 static_assert((std::is_same<decltype(vsscanf("","",va)), int>::value), ""); 145 static_assert((std::is_same<decltype(fgetc(fp)), int>::value), ""); 146 static_assert((std::is_same<decltype(fgets(cp,0,fp)), char*>::value), ""); 147 static_assert((std::is_same<decltype(fputc(0,fp)), int>::value), ""); 148 static_assert((std::is_same<decltype(fputs("",fp)), int>::value), ""); 149 static_assert((std::is_same<decltype(getc(fp)), int>::value), ""); 150 static_assert((std::is_same<decltype(getchar()), int>::value), ""); 151 #if TEST_STD_VER < 14 152 static_assert((std::is_same<decltype(gets(cp)), char*>::value), ""); 153 #endif 154 static_assert((std::is_same<decltype(putc(0,fp)), int>::value), ""); 155 static_assert((std::is_same<decltype(putchar(0)), int>::value), ""); 156 static_assert((std::is_same<decltype(puts("")), int>::value), ""); 157 static_assert((std::is_same<decltype(ungetc(0,fp)), int>::value), ""); 158 static_assert((std::is_same<decltype(fread((void*)0,0,0,fp)), size_t>::value), ""); 159 static_assert((std::is_same<decltype(fwrite((const void*)arr,1,0,fp)), size_t>::value), ""); 160 static_assert((std::is_same<decltype(fgetpos(fp, &fpos)), int>::value), ""); 161 static_assert((std::is_same<decltype(fseek(fp, 0,0)), int>::value), ""); 162 static_assert((std::is_same<decltype(fsetpos(fp, &fpos)), int>::value), ""); 163 static_assert((std::is_same<decltype(ftell(fp)), long>::value), ""); 164 static_assert((std::is_same<decltype(rewind(fp)), void>::value), ""); 165 static_assert((std::is_same<decltype(clearerr(fp)), void>::value), ""); 166 static_assert((std::is_same<decltype(feof(fp)), int>::value), ""); 167 static_assert((std::is_same<decltype(ferror(fp)), int>::value), ""); 168 static_assert((std::is_same<decltype(perror("")), void>::value), ""); 169 } 170
