1// -*- C++ -*-
2//===---------------------------- cstdio ----------------------------------===//
3//
4//                     The LLVM Compiler Infrastructure
5//
6// This file is dual licensed under the MIT and the University of Illinois Open
7// Source Licenses. See LICENSE.TXT for details.
8//
9//===----------------------------------------------------------------------===//
10
11#ifndef _LIBCPP_CSTDIO
12#define _LIBCPP_CSTDIO
13
14/*
15    cstdio synopsis
16
17Macros:
18
19    BUFSIZ
20    EOF
21    FILENAME_MAX
22    FOPEN_MAX
23    L_tmpnam
24    NULL
25    SEEK_CUR
26    SEEK_END
27    SEEK_SET
28    TMP_MAX
29    _IOFBF
30    _IOLBF
31    _IONBF
32    stderr
33    stdin
34    stdout
35
36namespace std
37{
38
39Types:
40
41FILE
42fpos_t
43size_t
44
45int remove(const char* filename);
46int rename(const char* old, const char* new);
47FILE* tmpfile(void);
48char* tmpnam(char* s);
49int fclose(FILE* stream);
50int fflush(FILE* stream);
51FILE* fopen(const char* restrict filename, const char* restrict mode);
52FILE* freopen(const char* restrict filename, const char * restrict mode,
53              FILE * restrict stream);
54void setbuf(FILE* restrict stream, char* restrict buf);
55int setvbuf(FILE* restrict stream, char* restrict buf, int mode, size_t size);
56int fprintf(FILE* restrict stream, const char* restrict format, ...);
57int fscanf(FILE* restrict stream, const char * restrict format, ...);
58int printf(const char* restrict format, ...);
59int scanf(const char* restrict format, ...);
60int snprintf(char* restrict s, size_t n, const char* restrict format, ...);    // C99
61int sprintf(char* restrict s, const char* restrict format, ...);
62int sscanf(const char* restrict s, const char* restrict format, ...);
63int vfprintf(FILE* restrict stream, const char* restrict format, va_list arg);
64int vfscanf(FILE* restrict stream, const char* restrict format, va_list arg);  // C99
65int vprintf(const char* restrict format, va_list arg);
66int vscanf(const char* restrict format, va_list arg);                          // C99
67int vsnprintf(char* restrict s, size_t n, const char* restrict format,         // C99
68              va_list arg);
69int vsprintf(char* restrict s, const char* restrict format, va_list arg);
70int vsscanf(const char* restrict s, const char* restrict format, va_list arg); // C99
71int fgetc(FILE* stream);
72char* fgets(char* restrict s, int n, FILE* restrict stream);
73int fputc(int c, FILE* stream);
74int fputs(const char* restrict s, FILE* restrict stream);
75int getc(FILE* stream);
76int getchar(void);
77char* gets(char* s);  // removed in C++14
78int putc(int c, FILE* stream);
79int putchar(int c);
80int puts(const char* s);
81int ungetc(int c, FILE* stream);
82size_t fread(void* restrict ptr, size_t size, size_t nmemb,
83             FILE* restrict stream);
84size_t fwrite(const void* restrict ptr, size_t size, size_t nmemb,
85              FILE* restrict stream);
86int fgetpos(FILE* restrict stream, fpos_t* restrict pos);
87int fseek(FILE* stream, long offset, int whence);
88int fsetpos(FILE*stream, const fpos_t* pos);
89long ftell(FILE* stream);
90void rewind(FILE* stream);
91void clearerr(FILE* stream);
92int feof(FILE* stream);
93int ferror(FILE* stream);
94void perror(const char* s);
95
96}  // std
97*/
98
99#include <__config>
100#include <stdio.h>
101
102#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
103#pragma GCC system_header
104#endif
105
106// snprintf
107#if defined(_LIBCPP_MSVCRT)
108#include "support/win32/support.h"
109#endif
110
111#ifdef getc
112inline _LIBCPP_INLINE_VISIBILITY int __libcpp_getc(FILE* __stream) {return getc(__stream);}
113#undef getc
114inline _LIBCPP_INLINE_VISIBILITY int getc(FILE* __stream) {return __libcpp_getc(__stream);}
115#endif  // getc
116
117#ifdef getchar
118inline _LIBCPP_INLINE_VISIBILITY int __libcpp_getchar(void) {return getchar();}
119#undef getchar
120inline _LIBCPP_INLINE_VISIBILITY int getchar(void) {return __libcpp_getchar();}
121#endif  // getchar
122
123#ifdef putc
124inline _LIBCPP_INLINE_VISIBILITY int __libcpp_putc(int __c, FILE* __stream) {return putc(__c, __stream);}
125#undef putc
126inline _LIBCPP_INLINE_VISIBILITY int putc(int __c, FILE* __stream) {return __libcpp_putc(__c, __stream);}
127#endif  // putc
128
129#ifdef __ANDROID__
130// In bionic's stdio.h, putchar appears as both a function prototype and a macro (later
131// in the same header).  Because it's defined as a macro, the following code snippet replaces
132// it with a function but with *different* visibility.  GCC 4.x complains [-Wattributes]
133//
134//   include/stdio.h:236:5: warning: conflicts with previous declaration here [-Wattributes]
135//     int  putchar(int);
136//
137// Undefine putchar to avoid redefinition, and putchar does exist in libc.so
138//
139#undef putchar
140#endif
141
142#ifdef putchar
143inline _LIBCPP_INLINE_VISIBILITY int __libcpp_putchar(int __c) {return putchar(__c);}
144#undef putchar
145inline _LIBCPP_INLINE_VISIBILITY int putchar(int __c) {return __libcpp_putchar(__c);}
146#endif  // putchar
147
148#ifdef clearerr
149inline _LIBCPP_INLINE_VISIBILITY void __libcpp_clearerr(FILE* __stream) {return clearerr(__stream);}
150#undef clearerr
151inline _LIBCPP_INLINE_VISIBILITY void clearerr(FILE* __stream) {return __libcpp_clearerr(__stream);}
152#endif  // clearerr
153
154#ifdef feof
155inline _LIBCPP_INLINE_VISIBILITY int __libcpp_feof(FILE* __stream) {return feof(__stream);}
156#undef feof
157inline _LIBCPP_INLINE_VISIBILITY int feof(FILE* __stream) {return __libcpp_feof(__stream);}
158#endif  // feof
159
160#ifdef ferror
161inline _LIBCPP_INLINE_VISIBILITY int __libcpp_ferror(FILE* __stream) {return ferror(__stream);}
162#undef ferror
163inline _LIBCPP_INLINE_VISIBILITY int ferror(FILE* __stream) {return __libcpp_ferror(__stream);}
164#endif  // ferror
165
166_LIBCPP_BEGIN_NAMESPACE_STD
167
168using ::FILE;
169using ::fpos_t;
170using ::size_t;
171
172using ::remove;
173using ::rename;
174using ::tmpfile;
175using ::tmpnam;
176using ::fclose;
177using ::fflush;
178using ::fopen;
179using ::freopen;
180using ::setbuf;
181using ::setvbuf;
182using ::fprintf;
183using ::fscanf;
184using ::printf;
185using ::scanf;
186using ::snprintf;
187using ::sprintf;
188using ::sscanf;
189#ifndef _LIBCPP_MSVCRT
190using ::vfprintf;
191using ::vfscanf;
192using ::vscanf;
193using ::vsscanf;
194#endif // _LIBCPP_MSVCRT
195using ::vprintf;
196using ::vsnprintf;
197using ::vsprintf;
198using ::fgetc;
199using ::fgets;
200using ::fputc;
201using ::fputs;
202using ::getc;
203using ::getchar;
204#if _LIBCPP_STD_VER <= 11
205using ::gets;
206#endif
207using ::putc;
208using ::putchar;
209using ::puts;
210using ::ungetc;
211using ::fread;
212using ::fwrite;
213using ::fgetpos;
214using ::fseek;
215using ::fsetpos;
216using ::ftell;
217using ::rewind;
218using ::clearerr;
219using ::feof;
220using ::ferror;
221using ::perror;
222
223_LIBCPP_END_NAMESPACE_STD
224
225#endif  // _LIBCPP_CSTDIO
226