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Diffstat (limited to 'gl/argp-fmtstream.h')
| -rw-r--r-- | gl/argp-fmtstream.h | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/gl/argp-fmtstream.h b/gl/argp-fmtstream.h deleted file mode 100644 index 000090ea68..0000000000 --- a/gl/argp-fmtstream.h +++ /dev/null @@ -1,359 +0,0 @@ -/* Word-wrapping and line-truncating streams. - Copyright (C) 1997, 2006-2013 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Written by Miles Bader <miles@gnu.ai.mit.edu>. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -/* This package emulates glibc 'line_wrap_stream' semantics for systems that - don't have that. If the system does have it, it is just a wrapper for - that. This header file is only used internally while compiling argp, and - shouldn't be installed. */ - -#ifndef _ARGP_FMTSTREAM_H -#define _ARGP_FMTSTREAM_H - -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -/* The __attribute__ feature is available in gcc versions 2.5 and later. - The __-protected variants of the attributes 'format' and 'printf' are - accepted by gcc versions 2.6.4 (effectively 2.7) and later. - We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because - gnulib and libintl do '#define printf __printf__' when they override - the 'printf' function. */ -#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) -# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) -#else -# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */ -#endif - -#if (_LIBC - 0 && !defined (USE_IN_LIBIO)) \ - || (defined (__GNU_LIBRARY__) && defined (HAVE_LINEWRAP_H)) -/* line_wrap_stream is available, so use that. */ -#define ARGP_FMTSTREAM_USE_LINEWRAP -#endif - -#ifdef ARGP_FMTSTREAM_USE_LINEWRAP -/* Just be a simple wrapper for line_wrap_stream; the semantics are - *slightly* different, as line_wrap_stream doesn't actually make a new - object, it just modifies the given stream (reversibly) to do - line-wrapping. Since we control who uses this code, it doesn't matter. */ - -#include <linewrap.h> - -typedef FILE *argp_fmtstream_t; - -#define argp_make_fmtstream line_wrap_stream -#define __argp_make_fmtstream line_wrap_stream -#define argp_fmtstream_free line_unwrap_stream -#define __argp_fmtstream_free line_unwrap_stream - -#define __argp_fmtstream_putc(fs,ch) putc(ch,fs) -#define argp_fmtstream_putc(fs,ch) putc(ch,fs) -#define __argp_fmtstream_puts(fs,str) fputs(str,fs) -#define argp_fmtstream_puts(fs,str) fputs(str,fs) -#define __argp_fmtstream_write(fs,str,len) fwrite(str,1,len,fs) -#define argp_fmtstream_write(fs,str,len) fwrite(str,1,len,fs) -#define __argp_fmtstream_printf fprintf -#define argp_fmtstream_printf fprintf - -#define __argp_fmtstream_lmargin line_wrap_lmargin -#define argp_fmtstream_lmargin line_wrap_lmargin -#define __argp_fmtstream_set_lmargin line_wrap_set_lmargin -#define argp_fmtstream_set_lmargin line_wrap_set_lmargin -#define __argp_fmtstream_rmargin line_wrap_rmargin -#define argp_fmtstream_rmargin line_wrap_rmargin -#define __argp_fmtstream_set_rmargin line_wrap_set_rmargin -#define argp_fmtstream_set_rmargin line_wrap_set_rmargin -#define __argp_fmtstream_wmargin line_wrap_wmargin -#define argp_fmtstream_wmargin line_wrap_wmargin -#define __argp_fmtstream_set_wmargin line_wrap_set_wmargin -#define argp_fmtstream_set_wmargin line_wrap_set_wmargin -#define __argp_fmtstream_point line_wrap_point -#define argp_fmtstream_point line_wrap_point - -#else /* !ARGP_FMTSTREAM_USE_LINEWRAP */ -/* Guess we have to define our own version. */ - -struct argp_fmtstream -{ - FILE *stream; /* The stream we're outputting to. */ - - size_t lmargin, rmargin; /* Left and right margins. */ - ssize_t wmargin; /* Margin to wrap to, or -1 to truncate. */ - - /* Point in buffer to which we've processed for wrapping, but not output. */ - size_t point_offs; - /* Output column at POINT_OFFS, or -1 meaning 0 but don't add lmargin. */ - ssize_t point_col; - - char *buf; /* Output buffer. */ - char *p; /* Current end of text in BUF. */ - char *end; /* Absolute end of BUF. */ -}; - -typedef struct argp_fmtstream *argp_fmtstream_t; - -/* Return an argp_fmtstream that outputs to STREAM, and which prefixes lines - written on it with LMARGIN spaces and limits them to RMARGIN columns - total. If WMARGIN >= 0, words that extend past RMARGIN are wrapped by - replacing the whitespace before them with a newline and WMARGIN spaces. - Otherwise, chars beyond RMARGIN are simply dropped until a newline. - Returns NULL if there was an error. */ -extern argp_fmtstream_t __argp_make_fmtstream (FILE *__stream, - size_t __lmargin, - size_t __rmargin, - ssize_t __wmargin); -extern argp_fmtstream_t argp_make_fmtstream (FILE *__stream, - size_t __lmargin, - size_t __rmargin, - ssize_t __wmargin); - -/* Flush __FS to its stream, and free it (but don't close the stream). */ -extern void __argp_fmtstream_free (argp_fmtstream_t __fs); -extern void argp_fmtstream_free (argp_fmtstream_t __fs); - -extern ssize_t __argp_fmtstream_printf (argp_fmtstream_t __fs, - const char *__fmt, ...) - _GL_ATTRIBUTE_FORMAT ((printf, 2, 3)); -extern ssize_t argp_fmtstream_printf (argp_fmtstream_t __fs, - const char *__fmt, ...) - _GL_ATTRIBUTE_FORMAT ((printf, 2, 3)); - -#if _LIBC -extern int __argp_fmtstream_putc (argp_fmtstream_t __fs, int __ch); -extern int argp_fmtstream_putc (argp_fmtstream_t __fs, int __ch); - -extern int __argp_fmtstream_puts (argp_fmtstream_t __fs, const char *__str); -extern int argp_fmtstream_puts (argp_fmtstream_t __fs, const char *__str); - -extern size_t __argp_fmtstream_write (argp_fmtstream_t __fs, - const char *__str, size_t __len); -extern size_t argp_fmtstream_write (argp_fmtstream_t __fs, - const char *__str, size_t __len); -#endif - -/* Access macros for various bits of state. */ -#define argp_fmtstream_lmargin(__fs) ((__fs)->lmargin) -#define argp_fmtstream_rmargin(__fs) ((__fs)->rmargin) -#define argp_fmtstream_wmargin(__fs) ((__fs)->wmargin) -#define __argp_fmtstream_lmargin argp_fmtstream_lmargin -#define __argp_fmtstream_rmargin argp_fmtstream_rmargin -#define __argp_fmtstream_wmargin argp_fmtstream_wmargin - -#if _LIBC -/* Set __FS's left margin to LMARGIN and return the old value. */ -extern size_t argp_fmtstream_set_lmargin (argp_fmtstream_t __fs, - size_t __lmargin); -extern size_t __argp_fmtstream_set_lmargin (argp_fmtstream_t __fs, - size_t __lmargin); - -/* Set __FS's right margin to __RMARGIN and return the old value. */ -extern size_t argp_fmtstream_set_rmargin (argp_fmtstream_t __fs, - size_t __rmargin); -extern size_t __argp_fmtstream_set_rmargin (argp_fmtstream_t __fs, - size_t __rmargin); - -/* Set __FS's wrap margin to __WMARGIN and return the old value. */ -extern size_t argp_fmtstream_set_wmargin (argp_fmtstream_t __fs, - size_t __wmargin); -extern size_t __argp_fmtstream_set_wmargin (argp_fmtstream_t __fs, - size_t __wmargin); - -/* Return the column number of the current output point in __FS. */ -extern size_t argp_fmtstream_point (argp_fmtstream_t __fs); -extern size_t __argp_fmtstream_point (argp_fmtstream_t __fs); -#endif - -/* Internal routines. */ -extern void _argp_fmtstream_update (argp_fmtstream_t __fs); -extern void __argp_fmtstream_update (argp_fmtstream_t __fs); -extern int _argp_fmtstream_ensure (argp_fmtstream_t __fs, size_t __amount); -extern int __argp_fmtstream_ensure (argp_fmtstream_t __fs, size_t __amount); - -#if !_LIBC || defined __OPTIMIZE__ -/* Inline versions of above routines. */ - -#if !_LIBC -#define __argp_fmtstream_putc argp_fmtstream_putc -#define __argp_fmtstream_puts argp_fmtstream_puts -#define __argp_fmtstream_write argp_fmtstream_write -#define __argp_fmtstream_set_lmargin argp_fmtstream_set_lmargin -#define __argp_fmtstream_set_rmargin argp_fmtstream_set_rmargin -#define __argp_fmtstream_set_wmargin argp_fmtstream_set_wmargin -#define __argp_fmtstream_point argp_fmtstream_point -#define __argp_fmtstream_update _argp_fmtstream_update -#define __argp_fmtstream_ensure _argp_fmtstream_ensure -_GL_INLINE_HEADER_BEGIN -#ifndef ARGP_FS_EI -# define ARGP_FS_EI _GL_INLINE -#endif -#endif - -#ifndef ARGP_FS_EI -# ifdef __GNUC__ - /* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99 - inline semantics, unless -fgnu89-inline is used. It defines a macro - __GNUC_STDC_INLINE__ to indicate this situation or a macro - __GNUC_GNU_INLINE__ to indicate the opposite situation. - - GCC 4.2 with -std=c99 or -std=gnu99 implements the GNU C inline - semantics but warns, unless -fgnu89-inline is used: - warning: C99 inline functions are not supported; using GNU89 - warning: to disable this warning use -fgnu89-inline or the gnu_inline function attribute - It defines a macro __GNUC_GNU_INLINE__ to indicate this situation. - - Whereas Apple GCC 4.0.1 build 5479 without -std=c99 or -std=gnu99 - implements the GNU C inline semantics and defines the macro - __GNUC_GNU_INLINE__, but it does not warn and does not support - __attribute__ ((__gnu_inline__)). - - All in all, these are the possible combinations. For every compiler, - we need to choose ARGP_FS_EI so that the corresponding table cell - contains an "ok". - - \ ARGP_FS_EI inline extern extern - \ inline inline - CC \ __attribute__ - ((gnu_inline)) - - gcc 4.3.0 error ok ok - gcc 4.3.0 -std=gnu99 -fgnu89-inline error ok ok - gcc 4.3.0 -std=gnu99 ok error ok - - gcc 4.2.2 error ok ok - gcc 4.2.2 -std=gnu99 -fgnu89-inline error ok ok - gcc 4.2.2 -std=gnu99 error warning ok - - gcc 4.1.2 error ok warning - gcc 4.1.2 -std=gnu99 error ok warning - - Apple gcc 4.0.1 error ok warning - Apple gcc 4.0.1 -std=gnu99 ok error warning - */ -# if defined __GNUC_STDC_INLINE__ -# define ARGP_FS_EI inline -# elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2) -# define ARGP_FS_EI extern inline __attribute__ ((__gnu_inline__)) -# else -# define ARGP_FS_EI extern inline -# endif -# else - /* With other compilers, assume the ISO C99 meaning of 'inline', if - the compiler supports 'inline' at all. */ -# define ARGP_FS_EI inline -# endif -#endif - -ARGP_FS_EI size_t -__argp_fmtstream_write (argp_fmtstream_t __fs, - const char *__str, size_t __len) -{ - if (__fs->p + __len <= __fs->end || __argp_fmtstream_ensure (__fs, __len)) - { - memcpy (__fs->p, __str, __len); - __fs->p += __len; - return __len; - } - else - return 0; -} - -ARGP_FS_EI int -__argp_fmtstream_puts (argp_fmtstream_t __fs, const char *__str) -{ - size_t __len = strlen (__str); - if (__len) - { - size_t __wrote = __argp_fmtstream_write (__fs, __str, __len); - return __wrote == __len ? 0 : -1; - } - else - return 0; -} - -ARGP_FS_EI int -__argp_fmtstream_putc (argp_fmtstream_t __fs, int __ch) -{ - if (__fs->p < __fs->end || __argp_fmtstream_ensure (__fs, 1)) - return *__fs->p++ = __ch; - else - return EOF; -} - -/* Set __FS's left margin to __LMARGIN and return the old value. */ -ARGP_FS_EI size_t -__argp_fmtstream_set_lmargin (argp_fmtstream_t __fs, size_t __lmargin) -{ - size_t __old; - if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) - __argp_fmtstream_update (__fs); - __old = __fs->lmargin; - __fs->lmargin = __lmargin; - return __old; -} - -/* Set __FS's right margin to __RMARGIN and return the old value. */ -ARGP_FS_EI size_t -__argp_fmtstream_set_rmargin (argp_fmtstream_t __fs, size_t __rmargin) -{ - size_t __old; - if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) - __argp_fmtstream_update (__fs); - __old = __fs->rmargin; - __fs->rmargin = __rmargin; - return __old; -} - -/* Set FS's wrap margin to __WMARGIN and return the old value. */ -ARGP_FS_EI size_t -__argp_fmtstream_set_wmargin (argp_fmtstream_t __fs, size_t __wmargin) -{ - size_t __old; - if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) - __argp_fmtstream_update (__fs); - __old = __fs->wmargin; - __fs->wmargin = __wmargin; - return __old; -} - -/* Return the column number of the current output point in __FS. */ -ARGP_FS_EI size_t -__argp_fmtstream_point (argp_fmtstream_t __fs) -{ - if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) - __argp_fmtstream_update (__fs); - return __fs->point_col >= 0 ? __fs->point_col : 0; -} - -#if !_LIBC -#undef __argp_fmtstream_putc -#undef __argp_fmtstream_puts -#undef __argp_fmtstream_write -#undef __argp_fmtstream_set_lmargin -#undef __argp_fmtstream_set_rmargin -#undef __argp_fmtstream_set_wmargin -#undef __argp_fmtstream_point -#undef __argp_fmtstream_update -#undef __argp_fmtstream_ensure -_GL_INLINE_HEADER_END -#endif - -#endif /* !_LIBC || __OPTIMIZE__ */ - -#endif /* ARGP_FMTSTREAM_USE_LINEWRAP */ - -#endif /* argp-fmtstream.h */ |