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Honor feature macros in <stdio.h>.

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This commit is contained in:
Jonas 'Sortie' Termansen 2014-04-02 23:26:56 +02:00
parent de5ac01a0b
commit 571daf8aaf
1 changed files with 210 additions and 147 deletions
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357
libc/include/stdio.h
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@ -30,7 +30,12 @@
#include <sys/__/types.h> #include <sys/__/types.h>
#include <sortix/seek.h> #include <sortix/seek.h>
#if __STRICT_ANSI__ #if __USE_SORTIX || __USE_POSIX
/* TODO: This gets too much from <stdarg.h> and not just va_list. Unfortunately
the <stdarg.h> header that comes with gcc has no way to just request
the declaration of va_list. Sortix libc should ship its own stdarg.h
header instead and have a <__/stdarg.h> header we can typedef from. */
#else
#define __need___va_list #define __need___va_list
#endif #endif
#include <stdarg.h> #include <stdarg.h>
@ -41,10 +46,12 @@
__BEGIN_DECLS __BEGIN_DECLS
#if __USE_SORTIX || 2008 <= __USE_POSIX
#ifndef __off_t_defined #ifndef __off_t_defined
#define __off_t_defined #define __off_t_defined
typedef __off_t off_t; typedef __off_t off_t;
#endif #endif
#endif
#ifndef __size_t_defined #ifndef __size_t_defined
#define __size_t_defined #define __size_t_defined
@ -52,10 +59,12 @@ typedef __off_t off_t;
#include <stddef.h> #include <stddef.h>
#endif #endif
#if __USE_SORTIX || __USE_POSIX
#ifndef __ssize_t_defined #ifndef __ssize_t_defined
#define __ssize_t_defined #define __ssize_t_defined
typedef __ssize_t ssize_t; typedef __ssize_t ssize_t;
#endif #endif
#endif
#ifndef NULL #ifndef NULL
#define __need_NULL #define __need_NULL
@ -67,10 +76,16 @@ typedef __ssize_t ssize_t;
typedef struct FILE FILE; typedef struct FILE FILE;
#endif #endif
#if __USE_SORTIX || 2008 <= __USE_POSIX
typedef off_t fpos_t; typedef off_t fpos_t;
#else
typedef __off_t fpos_t;
#endif
#if __USE_SORTIX || __USE_POSIX
/* TODO: Implement L_ctermid */ /* TODO: Implement L_ctermid */
#define L_tmpnam 128 #define L_tmpnam 128
#endif
/* The possibilities for the third argument to `setvbuf'. */ /* The possibilities for the third argument to `setvbuf'. */
#define _IOFBF 0 /* Fully buffered. */ #define _IOFBF 0 /* Fully buffered. */
@ -79,143 +94,22 @@ typedef off_t fpos_t;
#define EOF (-1) #define EOF (-1)
/* FILENAME_MAX, FOPEN_MAX, TMP_MAX are not defined because libc and Sortix /* FILENAME_MAX, FOPEN_MAX are not defined because Sortix doesn't have these
do not have these restrictions. */ restrictions. */
#if __USE_SORTIX || __USE_POSIX
/* TMP_MAX are not defined because Sortix doesn't have these restrictions. */
#endif
#if __USE_SORTIX || __USE_POSIX
/* Default path prefix for `tempnam' and `tmpnam'. */ /* Default path prefix for `tempnam' and `tmpnam'. */
#define P_tmpdir "/tmp" #define P_tmpdir "/tmp"
#endif
/* Size of <stdio.h> buffers. */ /* Size of <stdio.h> buffers. */
#define BUFSIZ 8192UL #define BUFSIZ 8192UL
extern FILE* stdin; /* Constants used by `fparsemode'. */
extern FILE* stdout;
extern FILE* stderr;
/* C89/C99 say they're macros. Make them happy. */
#define stdin stdin
#define stdout stdout
#define stderr stderr
int asprintf(char** __restrict, const char* __restrict, ...)
__attribute__((__format__ (printf, 2, 3)));
void clearerr(FILE* stream);
void clearerr_unlocked(FILE* stream);
int dprintf(int fildes, const char* __restrict format, ...)
__attribute__((__format__ (printf, 2, 3)));
int fclose(FILE* stream);
FILE* fdopen(int fildes, const char* mode);
int feof(FILE* stream);
int feof_unlocked(FILE* stream);
int ferror(FILE* stream);
int ferror_unlocked(FILE* stream);
int fflush(FILE* stream);
int fflush_unlocked(FILE* stream);
int fileno(FILE* stream);
int fileno_unlocked(FILE* stream);
int fgetc(FILE* stream);
int fgetc_unlocked(FILE* stream);
int fgetpos(FILE* __restrict stream, fpos_t* __restrict pos);
char* fgets(char* __restrict s, int n, FILE* __restrict stream);
char* fgets_unlocked(char* __restrict, int, FILE* __restrict);
void flockfile(FILE* file);
FILE* fmemopen(void* __restrict, size_t, const char* __restrict);
FILE* fopen(const char* __restrict filename, const char* __restrict mode);
int fprintf(FILE* __restrict stream, const char* __restrict format, ...)
__attribute__((__format__ (printf, 2, 3)));
int fprintf_unlocked(FILE* __restrict stream, const char* __restrict format, ...)
__attribute__((__format__ (printf, 2, 3)));
int fputc(int c, FILE* stream);
int fputc_unlocked(int c, FILE* stream);
int fputs(const char* __restrict, FILE* __restrict stream);
int fputs_unlocked(const char* __restrict, FILE* __restrict stream);
size_t fread(void* __restrict ptr, size_t size, size_t nitems, FILE* __restrict stream);
size_t fread_unlocked(void* __restrict ptr, size_t size, size_t nitems, FILE* __restrict stream);
FILE* freopen(const char* __restrict filename, const char *__restrict mode, FILE* __restrict stream);
int fscanf(FILE* __restrict stream, const char* __restrict format, ... )
__attribute__((__format__ (scanf, 2, 3)));
int fscanf_unlocked(FILE* __restrict stream, const char* __restrict format, ... )
__attribute__((__format__ (scanf, 2, 3)));
int fseek(FILE* stream, long offset, int whence);
int fseeko(FILE* stream, off_t offset, int whence);
int fseeko_unlocked(FILE* stream, off_t offset, int whence);
int fsetpos(FILE* stream, const fpos_t* pos);
long ftell(FILE* stream);
off_t ftello(FILE* stream);
off_t ftello_unlocked(FILE* stream);
int ftrylockfile(FILE* file);
void funlockfile(FILE* file);
size_t fwrite(const void* __restrict ptr, size_t size, size_t nitems, FILE* __restrict stream);
size_t fwrite_unlocked(const void* __restrict ptr, size_t size, size_t nitems, FILE* __restrict stream);
int getc(FILE* stream);
int getc_unlocked(FILE* stream);
int getchar(void);
int getchar_unlocked(void);
ssize_t getdelim(char** __restrict lineptr, size_t* __restrict n, int delimiter, FILE* __restrict stream);
ssize_t getline(char** __restrict lineptr, size_t* __restrict n, FILE* __restrict stream);
int pclose(FILE* steam);
void perror(const char* s);
FILE* popen(const char* command, const char* mode);
int printf(const char* __restrict format, ...)
__attribute__((__format__ (printf, 1, 2)));
int putc(int c, FILE* stream);
int putc_unlocked(int c, FILE* stream);
int putchar(int c);
int putchar_unlocked(int c);
int puts(const char* str);
int removeat(int dirrfd, const char* path);
int remove(const char* path);
int renameat(int oldfd, const char* oldname, int newfd, const char* newname);
int rename(const char* oldname, const char* newname);
void rewind(FILE* stream);
int snprintf(char* __restrict s, size_t n, const char* __restrict format, ...)
__attribute__((__format__ (printf, 3, 4)));
void setbuf(FILE* __restrict stream, char* __restrict buf);
int setvbuf(FILE* __restrict stream, char* __restrict buf, int type, size_t size);
int setvbuf_unlocked(FILE* __restrict stream, char* __restrict buf, int type, size_t size);
char* sortix_gets(void);
int sortix_puts(const char* str);
int sprintf(char* __restrict s, const char* __restrict format, ...)
__attribute__((__format__ (printf, 2, 3)));
int scanf(const char* __restrict format, ...)
__attribute__((__format__ (scanf, 1, 2)));
int sscanf(const char* __restrict s, const char* __restrict format, ...)
__attribute__((__format__ (scanf, 2, 3)));
FILE* tmpfile(void);
char* tmpnam(char* s);
int ungetc(int c, FILE* stream);
int ungetc_unlocked(int c, FILE* stream);
int vasprintf(char** __restrict, const char* __restrict, __gnuc_va_list)
__attribute__((__format__ (printf, 2, 0)));
int vdprintf(int fildes, const char* __restrict format, __gnuc_va_list ap)
__attribute__((__format__ (printf, 2, 0)));
int vfprintf(FILE* __restrict stream, const char* __restrict format, __gnuc_va_list ap)
__attribute__((__format__ (printf, 2, 0)));
int vfprintf_unlocked(FILE* __restrict stream, const char* __restrict format, __gnuc_va_list ap)
__attribute__((__format__ (printf, 2, 0)));
int vfscanf(FILE* __restrict stream, const char* __restrict format, __gnuc_va_list arg)
__attribute__((__format__ (scanf, 2, 0)));
int vfscanf_unlocked(FILE* __restrict stream, const char* __restrict format, __gnuc_va_list arg)
__attribute__((__format__ (scanf, 2, 0)));
int vprintf(const char* __restrict format, __gnuc_va_list ap)
__attribute__((__format__ (printf, 1, 0)));
int vscanf(const char* __restrict format, __gnuc_va_list arg)
__attribute__((__format__ (scanf, 1, 0)));
int vsnprintf(char* __restrict, size_t, const char* __restrict, __gnuc_va_list)
__attribute__((__format__ (printf, 3, 0)));
int vsprintf(char* __restrict s, const char* __restrict format, __gnuc_va_list ap)
__attribute__((__format__ (printf, 2, 0)));
int vsscanf(const char* __restrict s, const char* __restrict format, __gnuc_va_list arg)
__attribute__((__format__ (scanf, 2, 0)));
/* TODO: These are not implemented in sortix libc yet. */
#if 0
char* ctermid(char* s);
FILE* open_memstream(char** bufp, size_t* sizep);
#endif
#if __USE_SORTIX #if __USE_SORTIX
#define FILE_MODE_READ (1 << 0) #define FILE_MODE_READ (1 << 0)
#define FILE_MODE_WRITE (1 << 1) #define FILE_MODE_WRITE (1 << 1)
#define FILE_MODE_APPEND (1 << 2) #define FILE_MODE_APPEND (1 << 2)
@ -224,7 +118,192 @@ FILE* open_memstream(char** bufp, size_t* sizep);
#define FILE_MODE_BINARY (1 << 5) #define FILE_MODE_BINARY (1 << 5)
#define FILE_MODE_EXCL (1 << 6) #define FILE_MODE_EXCL (1 << 6)
#define FILE_MODE_CLOEXEC (1 << 7) #define FILE_MODE_CLOEXEC (1 << 7)
#endif
extern FILE* stdin;
extern FILE* stdout;
extern FILE* stderr;
#define stdin stdin
#define stdout stdout
#define stderr stderr
/* Functions from C89. */
void clearerr(FILE* stream);
int fclose(FILE* stream);
int feof(FILE* stream);
int ferror(FILE* stream);
int fflush(FILE* stream);
int fgetc(FILE* stream);
int fgetpos(FILE* __restrict stream, fpos_t* __restrict pos);
char* fgets(char* __restrict s, int n, FILE* __restrict stream);
FILE* fopen(const char* __restrict filename, const char* __restrict mode);
int fprintf(FILE* __restrict stream, const char* __restrict format, ...)
__attribute__((__format__ (printf, 2, 3)));
int fputc(int c, FILE* stream);
int fputs(const char* __restrict, FILE* __restrict stream);
size_t fread(void* __restrict ptr, size_t size, size_t nitems, FILE* __restrict stream);
FILE* freopen(const char* __restrict filename, const char *__restrict mode, FILE* __restrict stream);
int fscanf(FILE* __restrict stream, const char* __restrict format, ... )
__attribute__((__format__ (scanf, 2, 3)));
int fseek(FILE* stream, long offset, int whence);
int fsetpos(FILE* stream, const fpos_t* pos);
long ftell(FILE* stream);
size_t fwrite(const void* __restrict ptr, size_t size, size_t nitems, FILE* __restrict stream);
int getc(FILE* stream);
int getchar(void);
#if __USE_C < 2011
/* gets will not be implemented. */
#endif
void perror(const char* s);
int printf(const char* __restrict format, ...)
__attribute__((__format__ (printf, 1, 2)));
int putc(int c, FILE* stream);
int putchar(int c);
int puts(const char* str);
int remove(const char* path);
int rename(const char* oldname, const char* newname);
void rewind(FILE* stream);
void setbuf(FILE* __restrict stream, char* __restrict buf);
int setvbuf(FILE* __restrict stream, char* __restrict buf, int type, size_t size);
int sprintf(char* __restrict s, const char* __restrict format, ...)
__attribute__((__format__ (printf, 2, 3)));
int scanf(const char* __restrict format, ...)
__attribute__((__format__ (scanf, 1, 2)));
int sscanf(const char* __restrict s, const char* __restrict format, ...)
__attribute__((__format__ (scanf, 2, 3)));
FILE* tmpfile(void);
int ungetc(int c, FILE* stream);
int vfprintf(FILE* __restrict stream, const char* __restrict format, __gnuc_va_list ap)
__attribute__((__format__ (printf, 2, 0)));
int vprintf(const char* __restrict format, __gnuc_va_list ap)
__attribute__((__format__ (printf, 1, 0)));
int vsprintf(char* __restrict s, const char* __restrict format, __gnuc_va_list ap)
__attribute__((__format__ (printf, 2, 0)));
/* Functions from C99. */
#if __USE_SORTIX || 1999 <= __USE_C
int snprintf(char* __restrict s, size_t n, const char* __restrict format, ...)
__attribute__((__format__ (printf, 3, 4)));
int vfscanf(FILE* __restrict stream, const char* __restrict format, __gnuc_va_list arg)
__attribute__((__format__ (scanf, 2, 0)));
int vscanf(const char* __restrict format, __gnuc_va_list arg)
__attribute__((__format__ (scanf, 1, 0)));
int vsnprintf(char* __restrict, size_t, const char* __restrict, __gnuc_va_list)
__attribute__((__format__ (printf, 3, 0)));
int vsscanf(const char* __restrict s, const char* __restrict format, __gnuc_va_list arg)
__attribute__((__format__ (scanf, 2, 0)));
#endif
/* Functions from early POSIX. */
#if __USE_SORTIX || __USE_POSIX
int fileno(FILE* stream);
void flockfile(FILE* file);
FILE* fdopen(int fildes, const char* mode);
int ftrylockfile(FILE* file);
void funlockfile(FILE* file);
int getc_unlocked(FILE* stream);
int getchar_unlocked(void);
int putc_unlocked(int c, FILE* stream);
int putchar_unlocked(int c);
char* tmpnam(char* s);
#endif
#if __USE_POSIX
/* TODO: ctermid */
#endif
#if __USE_XOPEN
/* tempnam will not be implemented. */
#endif
/* Functions from less early POSIX. */
#if __USE_SORTIX || 199209L <= __USE_POSIX
int pclose(FILE* steam);
FILE* popen(const char* command, const char* mode);
#endif
/* Functions from POSIX 2001. */
#if __USE_SORTIX || 200112L <= __USE_POSIX
int fseeko(FILE* stream, off_t offset, int whence);
off_t ftello(FILE* stream);
#endif
/* Functions from POSIX 2008. */
#if __USE_SORTIX || 200809L <= __USE_POSIX
int dprintf(int fildes, const char* __restrict format, ...)
__attribute__((__format__ (printf, 2, 3)));
FILE* fmemopen(void* __restrict, size_t, const char* __restrict);
ssize_t getdelim(char** __restrict lineptr, size_t* __restrict n, int delimiter, FILE* __restrict stream);
/* TODO: open_memstream */
ssize_t getline(char** __restrict lineptr, size_t* __restrict n, FILE* __restrict stream);
int renameat(int oldfd, const char* oldname, int newfd, const char* newname);
int vdprintf(int fildes, const char* __restrict format, __gnuc_va_list ap)
__attribute__((__format__ (printf, 2, 0)));
#endif
/* Functions copied from elsewhere. */
#if __USE_SORTIX
int asprintf(char** __restrict, const char* __restrict, ...)
__attribute__((__format__ (printf, 2, 3)));
void clearerr_unlocked(FILE* stream);
int fcloseall(void);
int feof_unlocked(FILE* stream);
int ferror_unlocked(FILE* stream);
int fflush_unlocked(FILE* stream);
int fileno_unlocked(FILE* stream);
int fgetc_unlocked(FILE* stream);
char* fgets_unlocked(char* __restrict, int, FILE* __restrict);
int fputc_unlocked(int c, FILE* stream);
int fputs_unlocked(const char* __restrict, FILE* __restrict stream);
size_t fread_unlocked(void* __restrict ptr, size_t size, size_t nitems, FILE* __restrict stream);
size_t fwrite_unlocked(const void* __restrict ptr, size_t size, size_t nitems, FILE* __restrict stream);
int vasprintf(char** __restrict, const char* __restrict, __gnuc_va_list)
__attribute__((__format__ (printf, 2, 0)));
#endif
/* Functions that are Sortix extensions. */
#if __USE_SORTIX
int fparsemode(const char*);
int fpipe(FILE* pipes[2]);
int fprintf_unlocked(FILE* __restrict stream, const char* __restrict format, ...)
__attribute__((__format__ (printf, 2, 3)));
int fscanf_unlocked(FILE* __restrict stream, const char* __restrict format, ... )
__attribute__((__format__ (scanf, 2, 3)));
int fseeko_unlocked(FILE* stream, off_t offset, int whence);
off_t ftello_unlocked(FILE* stream);
int removeat(int dirrfd, const char* path);
int setvbuf_unlocked(FILE* __restrict stream, char* __restrict buf, int type, size_t size);
char* sortix_gets(void);
int sortix_puts(const char* str);
int ungetc_unlocked(int c, FILE* stream);
int vfprintf_unlocked(FILE* __restrict stream, const char* __restrict format, __gnuc_va_list ap)
__attribute__((__format__ (printf, 2, 0)));
int vfscanf_unlocked(FILE* __restrict stream, const char* __restrict format, __gnuc_va_list arg)
__attribute__((__format__ (scanf, 2, 0)));
#endif
/* Functions that are Sortix extensions used for libc internal purposes. */
#if __USE_SORTIX
int fflush_stop_reading(FILE* fp);
int fflush_stop_reading_unlocked(FILE* fp);
int fflush_stop_writing(FILE* fp);
int fflush_stop_writing_unlocked(FILE* fp);
void fdeletefile(FILE* fp);
void fseterr(FILE* fp);
void fseterr_unlocked(FILE* fp);
void fregister(FILE* fp);
void fresetfile(FILE* fp);
void funregister(FILE* fp);
FILE* fnewfile(void);
int fsetdefaultbuf(FILE* fp);
int fsetdefaultbuf_unlocked(FILE* fp);
int fshutdown(FILE* fp);
#endif
/* The <stdio_ext.h> functions. */
#if __USE_SORTIX && (!defined(__IMPLICIT_SORTIX_SOURCE) || defined(__is_sortix_libc))
#include <stdio_ext.h> #include <stdio_ext.h>
#define fbufsize __fbufsize #define fbufsize __fbufsize
size_t fbufsize_unlocked(FILE* fp); size_t fbufsize_unlocked(FILE* fp);
@ -245,25 +324,9 @@ size_t fpending_unlocked(FILE* fp);
#define flushlbf _flushlbf #define flushlbf _flushlbf
#define fsetlocking __fsetlocking #define fsetlocking __fsetlocking
int fsetlocking_unlocked(FILE* fp, int type); int fsetlocking_unlocked(FILE* fp, int type);
int fflush_stop_reading(FILE* fp);
int fflush_stop_reading_unlocked(FILE* fp);
int fflush_stop_writing(FILE* fp);
int fflush_stop_writing_unlocked(FILE* fp);
void fdeletefile(FILE* fp);
void fseterr(FILE* fp);
void fseterr_unlocked(FILE* fp);
void fregister(FILE* fp);
void fresetfile(FILE* fp);
void funregister(FILE* fp);
FILE* fnewfile(void);
int fsetdefaultbuf(FILE* fp);
int fsetdefaultbuf_unlocked(FILE* fp);
int fcloseall(void);
int fshutdown(FILE* fp);
int fpipe(FILE* pipes[2]);
int fparsemode(const char*);
#endif #endif
/* The Sortix backends for *printf and *scanf. */
#if __USE_SORTIX #if __USE_SORTIX
size_t vprintf_callback(size_t (*callback)(void*, const char*, size_t), size_t vprintf_callback(size_t (*callback)(void*, const char*, size_t),
void* user, void* user,