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 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 ignored "-Wformat-zero-length" 82 83 int main() 84 { 85 FILE* fp = 0; 86 fpos_t fpos = {0}; 87 size_t s = 0; 88 char* cp = 0; 89 va_list va; 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 static_assert((std::is_same<decltype(gets(cp)), char*>::value), ""); 121 static_assert((std::is_same<decltype(putc(0,fp)), int>::value), ""); 122 static_assert((std::is_same<decltype(putchar(0)), int>::value), ""); 123 static_assert((std::is_same<decltype(puts("")), int>::value), ""); 124 static_assert((std::is_same<decltype(ungetc(0,fp)), int>::value), ""); 125 static_assert((std::is_same<decltype(fread((void*)0,0,0,fp)), size_t>::value), ""); 126 static_assert((std::is_same<decltype(fwrite((const void*)0,0,0,fp)), size_t>::value), ""); 127 static_assert((std::is_same<decltype(fgetpos(fp, &fpos)), int>::value), ""); 128 static_assert((std::is_same<decltype(fseek(fp, 0,0)), int>::value), ""); 129 static_assert((std::is_same<decltype(fsetpos(fp, &fpos)), int>::value), ""); 130 static_assert((std::is_same<decltype(ftell(fp)), long>::value), ""); 131 static_assert((std::is_same<decltype(rewind(fp)), void>::value), ""); 132 static_assert((std::is_same<decltype(clearerr(fp)), void>::value), ""); 133 #if !defined(feof) 134 //check return type of feof only if it's not an macro which may be a compound expression 135 static_assert((std::is_same<decltype(feof(fp)), int>::value), ""); 136 #endif 137 #if !defined(ferror) 138 //check return type of ferror only if it's not an macro which may be a compound expression 139 static_assert((std::is_same<decltype(ferror(fp)), int>::value), ""); 140 #endif 141 static_assert((std::is_same<decltype(perror("")), void>::value), ""); 142 } 143
