/* Optimizing macros and inline functions for stdio functions. Copyright (C) 1998,2000,2001,2004,2007,2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _STDIO_H # error "Never include <bits/stdio.h> directly; use <stdio.h> instead." #endif #ifndef __extern_inline # define __STDIO_INLINE inline #else # define __STDIO_INLINE __extern_inline #endif #ifdef __USE_EXTERN_INLINES /* For -D_FORTIFY_SOURCE{,=2} bits/stdio2.h will define a different inline. */ # if !(__USE_FORTIFY_LEVEL > 0 && defined __fortify_function) /* Write formatted output to stdout from argument list ARG. */ __STDIO_INLINE int vprintf (const char *__restrict __fmt, _G_va_list __arg) { return vfprintf (stdout, __fmt, __arg); } # endif /* Read a character from stdin. */ __STDIO_INLINE int getchar (void) { return _IO_getc (stdin); } # ifdef __USE_MISC /* Faster version when locking is not necessary. */ __STDIO_INLINE int fgetc_unlocked (FILE *__fp) { return _IO_getc_unlocked (__fp); } # endif /* misc */ # if defined __USE_POSIX || defined __USE_MISC /* This is defined in POSIX.1:1996. */ __STDIO_INLINE int getc_unlocked (FILE *__fp) { return _IO_getc_unlocked (__fp); } /* This is defined in POSIX.1:1996. */ __STDIO_INLINE int getchar_unlocked (void) { return _IO_getc_unlocked (stdin); } # endif /* POSIX || misc */ /* Write a character to stdout. */ __STDIO_INLINE int putchar (int __c) { return _IO_putc (__c, stdout); } # ifdef __USE_MISC /* Faster version when locking is not necessary. */ __STDIO_INLINE int fputc_unlocked (int __c, FILE *__stream) { return _IO_putc_unlocked (__c, __stream); } # endif /* misc */ # if defined __USE_POSIX || defined __USE_MISC /* This is defined in POSIX.1:1996. */ __STDIO_INLINE int putc_unlocked (int __c, FILE *__stream) { return _IO_putc_unlocked (__c, __stream); } /* This is defined in POSIX.1:1996. */ __STDIO_INLINE int putchar_unlocked (int __c) { return _IO_putc_unlocked (__c, stdout); } # endif /* POSIX || misc */ # ifdef __USE_GNU /* Like `getdelim', but reads up to a newline. */ __STDIO_INLINE _IO_ssize_t getline (char **__lineptr, size_t *__n, FILE *__stream) { return __getdelim (__lineptr, __n, '\n', __stream); } # endif /* GNU */ # ifdef __USE_MISC /* Faster versions when locking is not required. */ __STDIO_INLINE int __NTH (feof_unlocked (FILE *__stream)) { return _IO_feof_unlocked (__stream); } /* Faster versions when locking is not required. */ __STDIO_INLINE int __NTH (ferror_unlocked (FILE *__stream)) { return _IO_ferror_unlocked (__stream); } # endif /* misc */ #endif /* Use extern inlines. */ #if defined __USE_MISC && defined __GNUC__ && defined __OPTIMIZE__ \ && !defined __cplusplus /* Perform some simple optimizations. */ # define fread_unlocked(ptr, size, n, stream) \ (__extension__ ((__builtin_constant_p (size) && __builtin_constant_p (n) \ && (size_t) (size) * (size_t) (n) <= 8 \ && (size_t) (size) != 0) \ ? ({ char *__ptr = (char *) (ptr); \ FILE *__stream = (stream); \ size_t __cnt; \ for (__cnt = (size_t) (size) * (size_t) (n); \ __cnt > 0; --__cnt) \ { \ int __c = _IO_getc_unlocked (__stream); \ if (__c == EOF) \ break; \ *__ptr++ = __c; \ } \ ((size_t) (size) * (size_t) (n) - __cnt) \ / (size_t) (size); }) \ : (((__builtin_constant_p (size) && (size_t) (size) == 0) \ || (__builtin_constant_p (n) && (size_t) (n) == 0)) \ /* Evaluate all parameters once. */ \ ? ((void) (ptr), (void) (stream), (void) (size), \ (void) (n), (size_t) 0) \ : fread_unlocked (ptr, size, n, stream)))) # define fwrite_unlocked(ptr, size, n, stream) \ (__extension__ ((__builtin_constant_p (size) && __builtin_constant_p (n) \ && (size_t) (size) * (size_t) (n) <= 8 \ && (size_t) (size) != 0) \ ? ({ const char *__ptr = (const char *) (ptr); \ FILE *__stream = (stream); \ size_t __cnt; \ for (__cnt = (size_t) (size) * (size_t) (n); \ __cnt > 0; --__cnt) \ if (_IO_putc_unlocked (*__ptr++, __stream) == EOF) \ break; \ ((size_t) (size) * (size_t) (n) - __cnt) \ / (size_t) (size); }) \ : (((__builtin_constant_p (size) && (size_t) (size) == 0) \ || (__builtin_constant_p (n) && (size_t) (n) == 0)) \ /* Evaluate all parameters once. */ \ ? ((void) (ptr), (void) (stream), (void) (size), \ (void) (n), (size_t) 0) \ : fwrite_unlocked (ptr, size, n, stream)))) #endif /* Define helper macro. */ #undef __STDIO_INLINE
Name | Type | Size | Permission | Actions |
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a.out.h | File | 268 B | 0644 |
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byteswap-16.h | File | 1.69 KB | 0644 |
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byteswap.h | File | 5.56 KB | 0644 |
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cmathcalls.h | File | 4.7 KB | 0644 |
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confname.h | File | 23.19 KB | 0644 |
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dirent.h | File | 1.69 KB | 0644 |
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dlfcn.h | File | 2.47 KB | 0644 |
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elfclass.h | File | 426 B | 0644 |
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endian.h | File | 176 B | 0644 |
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environments.h | File | 3.5 KB | 0644 |
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epoll.h | File | 1.11 KB | 0644 |
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errno.h | File | 2.11 KB | 0644 |
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error.h | File | 2.62 KB | 0644 |
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eventfd.h | File | 1.1 KB | 0644 |
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fcntl-linux.h | File | 12.55 KB | 0644 |
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fcntl.h | File | 2.19 KB | 0644 |
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fcntl2.h | File | 5.44 KB | 0644 |
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fenv.h | File | 3.94 KB | 0644 |
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fenvinline.h | File | 190 B | 0644 |
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huge_val.h | File | 1.83 KB | 0644 |
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huge_valf.h | File | 1.79 KB | 0644 |
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huge_vall.h | File | 1.57 KB | 0644 |
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hwcap.h | File | 966 B | 0644 |
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in.h | File | 9.01 KB | 0644 |
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inf.h | File | 1.03 KB | 0644 |
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initspin.h | File | 25 B | 0644 |
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inotify.h | File | 1.05 KB | 0644 |
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ioctl-types.h | File | 2.41 KB | 0644 |
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ioctls.h | File | 4.38 KB | 0644 |
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ipc.h | File | 2.01 KB | 0644 |
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ipctypes.h | File | 1.14 KB | 0644 |
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libc-lock.h | File | 12.54 KB | 0644 |
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libio-ldbl.h | File | 1014 B | 0644 |
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link.h | File | 4.2 KB | 0644 |
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local_lim.h | File | 3.13 KB | 0644 |
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locale.h | File | 1.33 KB | 0644 |
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math-finite.h | File | 14.24 KB | 0644 |
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mathcalls.h | File | 11.3 KB | 0644 |
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mathdef.h | File | 2.14 KB | 0644 |
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mathinline.h | File | 30.86 KB | 0644 |
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mman.h | File | 4.78 KB | 0644 |
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monetary-ldbl.h | File | 1.02 KB | 0644 |
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mqueue.h | File | 1.22 KB | 0644 |
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mqueue2.h | File | 2.11 KB | 0644 |
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msq.h | File | 2.47 KB | 0644 |
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nan.h | File | 1.54 KB | 0644 |
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netdb.h | File | 1.25 KB | 0644 |
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param.h | File | 1.4 KB | 0644 |
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poll.h | File | 2.04 KB | 0644 |
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poll2.h | File | 2.86 KB | 0644 |
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posix1_lim.h | File | 4.81 KB | 0644 |
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posix2_lim.h | File | 2.82 KB | 0644 |
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posix_opt.h | File | 5.65 KB | 0644 |
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printf-ldbl.h | File | 986 B | 0644 |
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pthreadtypes.h | File | 6.33 KB | 0644 |
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resource.h | File | 9.21 KB | 0644 |
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sched.h | File | 7.37 KB | 0644 |
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select.h | File | 2.08 KB | 0644 |
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select2.h | File | 1.4 KB | 0644 |
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sem.h | File | 2.53 KB | 0644 |
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semaphore.h | File | 1.21 KB | 0644 |
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setjmp.h | File | 1.26 KB | 0644 |
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setjmp2.h | File | 1.67 KB | 0644 |
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shm.h | File | 3.44 KB | 0644 |
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sigaction.h | File | 2.79 KB | 0644 |
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sigcontext.h | File | 4.08 KB | 0644 |
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siginfo.h | File | 9.81 KB | 0644 |
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signalfd.h | File | 1.04 KB | 0644 |
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signum.h | File | 3.34 KB | 0644 |
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sigset.h | File | 4.48 KB | 0644 |
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sigstack.h | File | 1.49 KB | 0644 |
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sigthread.h | File | 1.64 KB | 0644 |
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sockaddr.h | File | 1.5 KB | 0644 |
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socket.h | File | 12.6 KB | 0644 |
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socket2.h | File | 2.95 KB | 0644 |
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socket_type.h | File | 2.16 KB | 0644 |
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stab.def | File | 8.82 KB | 0644 |
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stat.h | File | 7.46 KB | 0644 |
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statfs.h | File | 1.89 KB | 0644 |
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statvfs.h | File | 3.34 KB | 0644 |
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stdio-ldbl.h | File | 3.11 KB | 0644 |
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stdio-lock.h | File | 2.14 KB | 0644 |
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stdio.h | File | 5.45 KB | 0644 |
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stdio2.h | File | 12.36 KB | 0644 |
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stdio_lim.h | File | 1.34 KB | 0644 |
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stdlib-float.h | File | 1.12 KB | 0644 |
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stdlib-ldbl.h | File | 1.36 KB | 0644 |
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stdlib.h | File | 5.53 KB | 0644 |
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string.h | File | 56.48 KB | 0644 |
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string2.h | File | 46.08 KB | 0644 |
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string3.h | File | 4.38 KB | 0644 |
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sys_errlist.h | File | 1.19 KB | 0644 |
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syscall.h | File | 43.03 KB | 0644 |
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sysctl.h | File | 893 B | 0644 |
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syslog-ldbl.h | File | 1.17 KB | 0644 |
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syslog-path.h | File | 1.03 KB | 0644 |
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syslog.h | File | 1.66 KB | 0644 |
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termios.h | File | 5.23 KB | 0644 |
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time.h | File | 3.35 KB | 0644 |
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timerfd.h | File | 1.08 KB | 0644 |
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timex.h | File | 4.36 KB | 0644 |
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types.h | File | 7.55 KB | 0644 |
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typesizes.h | File | 3.15 KB | 0644 |
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uio.h | File | 2.42 KB | 0644 |
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unistd.h | File | 13.07 KB | 0644 |
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ustat.h | File | 1.06 KB | 0644 |
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utmp.h | File | 3.87 KB | 0644 |
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utmpx.h | File | 3.38 KB | 0644 |
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utsname.h | File | 1.19 KB | 0644 |
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waitflags.h | File | 1.61 KB | 0644 |
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waitstatus.h | File | 3.49 KB | 0644 |
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wchar-ldbl.h | File | 2.45 KB | 0644 |
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wchar.h | File | 1.11 KB | 0644 |
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wchar2.h | File | 20.04 KB | 0644 |
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wordsize.h | File | 327 B | 0644 |
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xopen_lim.h | File | 3.68 KB | 0644 |
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