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-rw-r--r--argp/argp-fmtstream.c430
1 files changed, 0 insertions, 430 deletions
diff --git a/argp/argp-fmtstream.c b/argp/argp-fmtstream.c
deleted file mode 100644
index 9e41708cbd..0000000000
--- a/argp/argp-fmtstream.c
+++ /dev/null
@@ -1,430 +0,0 @@
-/* Word-wrapping and line-truncating streams
-   Copyright (C) 1997-2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Written by Miles Bader <miles@gnu.ai.mit.edu>.
-
-   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/>.  */
-
-/* This package emulates glibc `line_wrap_stream' semantics for systems that
-   don't have that.  */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <ctype.h>
-
-#include "argp-fmtstream.h"
-#include "argp-namefrob.h"
-
-#ifndef ARGP_FMTSTREAM_USE_LINEWRAP
-
-#ifndef isblank
-#define isblank(ch) ((ch)==' ' || (ch)=='\t')
-#endif
-
-#ifdef _LIBC
-# include <wchar.h>
-# include <libio/libioP.h>
-# define __vsnprintf(s, l, f, a) _IO_vsnprintf (s, l, f, a)
-#endif
-
-#define INIT_BUF_SIZE 200
-#define PRINTF_SIZE_GUESS 150
-
-/* 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.  */
-argp_fmtstream_t
-__argp_make_fmtstream (FILE *stream,
-		       size_t lmargin, size_t rmargin, ssize_t wmargin)
-{
-  argp_fmtstream_t fs;
-
-  fs = (struct argp_fmtstream *) malloc (sizeof (struct argp_fmtstream));
-  if (fs != NULL)
-    {
-      fs->stream = stream;
-
-      fs->lmargin = lmargin;
-      fs->rmargin = rmargin;
-      fs->wmargin = wmargin;
-      fs->point_col = 0;
-      fs->point_offs = 0;
-
-      fs->buf = (char *) malloc (INIT_BUF_SIZE);
-      if (! fs->buf)
-	{
-	  free (fs);
-	  fs = 0;
-	}
-      else
-	{
-	  fs->p = fs->buf;
-	  fs->end = fs->buf + INIT_BUF_SIZE;
-	}
-    }
-
-  return fs;
-}
-#if 0
-/* Not exported.  */
-#ifdef weak_alias
-weak_alias (__argp_make_fmtstream, argp_make_fmtstream)
-#endif
-#endif
-
-/* Flush FS to its stream, and free it (but don't close the stream).  */
-void
-__argp_fmtstream_free (argp_fmtstream_t fs)
-{
-  __argp_fmtstream_update (fs);
-  if (fs->p > fs->buf)
-    {
-#ifdef _LIBC
-      __fxprintf (fs->stream, "%.*s", (int) (fs->p - fs->buf), fs->buf);
-#else
-      fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
-#endif
-    }
-  free (fs->buf);
-  free (fs);
-}
-#if 0
-/* Not exported.  */
-#ifdef weak_alias
-weak_alias (__argp_fmtstream_free, argp_fmtstream_free)
-#endif
-#endif
-
-/* Process FS's buffer so that line wrapping is done from POINT_OFFS to the
-   end of its buffer.  This code is mostly from glibc stdio/linewrap.c.  */
-void
-__argp_fmtstream_update (argp_fmtstream_t fs)
-{
-  char *buf, *nl;
-  size_t len;
-
-  /* Scan the buffer for newlines.  */
-  buf = fs->buf + fs->point_offs;
-  while (buf < fs->p)
-    {
-      size_t r;
-
-      if (fs->point_col == 0 && fs->lmargin != 0)
-	{
-	  /* We are starting a new line.  Print spaces to the left margin.  */
-	  const size_t pad = fs->lmargin;
-	  if (fs->p + pad < fs->end)
-	    {
-	      /* We can fit in them in the buffer by moving the
-		 buffer text up and filling in the beginning.  */
-	      memmove (buf + pad, buf, fs->p - buf);
-	      fs->p += pad; /* Compensate for bigger buffer. */
-	      memset (buf, ' ', pad); /* Fill in the spaces.  */
-	      buf += pad; /* Don't bother searching them.  */
-	    }
-	  else
-	    {
-	      /* No buffer space for spaces.  Must flush.  */
-	      size_t i;
-	      for (i = 0; i < pad; i++)
-		{
-		  if (_IO_fwide (fs->stream, 0) > 0)
-		    putwc_unlocked (L' ', fs->stream);
-		  else
-		    putc_unlocked (' ', fs->stream);
-		}
-	    }
-	  fs->point_col = pad;
-	}
-
-      len = fs->p - buf;
-      nl = memchr (buf, '\n', len);
-
-      if (fs->point_col < 0)
-	fs->point_col = 0;
-
-      if (!nl)
-	{
-	  /* The buffer ends in a partial line.  */
-
-	  if (fs->point_col + len < fs->rmargin)
-	    {
-	      /* The remaining buffer text is a partial line and fits
-		 within the maximum line width.  Advance point for the
-		 characters to be written and stop scanning.  */
-	      fs->point_col += len;
-	      break;
-	    }
-	  else
-	    /* Set the end-of-line pointer for the code below to
-	       the end of the buffer.  */
-	    nl = fs->p;
-	}
-      else if (fs->point_col + (nl - buf) < (ssize_t) fs->rmargin)
-	{
-	  /* The buffer contains a full line that fits within the maximum
-	     line width.  Reset point and scan the next line.  */
-	  fs->point_col = 0;
-	  buf = nl + 1;
-	  continue;
-	}
-
-      /* This line is too long.  */
-      r = fs->rmargin - 1;
-
-      if (fs->wmargin < 0)
-	{
-	  /* Truncate the line by overwriting the excess with the
-	     newline and anything after it in the buffer.  */
-	  if (nl < fs->p)
-	    {
-	      memmove (buf + (r - fs->point_col), nl, fs->p - nl);
-	      fs->p -= buf + (r - fs->point_col) - nl;
-	      /* Reset point for the next line and start scanning it.  */
-	      fs->point_col = 0;
-	      buf += r + 1; /* Skip full line plus \n. */
-	    }
-	  else
-	    {
-	      /* The buffer ends with a partial line that is beyond the
-		 maximum line width.  Advance point for the characters
-		 written, and discard those past the max from the buffer.  */
-	      fs->point_col += len;
-	      fs->p -= fs->point_col - r;
-	      break;
-	    }
-	}
-      else
-	{
-	  /* Do word wrap.  Go to the column just past the maximum line
-	     width and scan back for the beginning of the word there.
-	     Then insert a line break.  */
-
-	  char *p, *nextline;
-	  int i;
-
-	  p = buf + (r + 1 - fs->point_col);
-	  while (p >= buf && !isblank (*p))
-	    --p;
-	  nextline = p + 1;	/* This will begin the next line.  */
-
-	  if (nextline > buf)
-	    {
-	      /* Swallow separating blanks.  */
-	      if (p >= buf)
-		do
-		  --p;
-		while (p >= buf && isblank (*p));
-	      nl = p + 1;	/* The newline will replace the first blank. */
-	    }
-	  else
-	    {
-	      /* A single word that is greater than the maximum line width.
-		 Oh well.  Put it on an overlong line by itself.  */
-	      p = buf + (r + 1 - fs->point_col);
-	      /* Find the end of the long word.  */
-	      do
-		++p;
-	      while (p < nl && !isblank (*p));
-	      if (p == nl)
-		{
-		  /* It already ends a line.  No fussing required.  */
-		  fs->point_col = 0;
-		  buf = nl + 1;
-		  continue;
-		}
-	      /* We will move the newline to replace the first blank.  */
-	      nl = p;
-	      /* Swallow separating blanks.  */
-	      do
-		++p;
-	      while (isblank (*p));
-	      /* The next line will start here.  */
-	      nextline = p;
-	    }
-
-	  /* Note: There are a bunch of tests below for
-	     NEXTLINE == BUF + LEN + 1; this case is where NL happens to fall
-	     at the end of the buffer, and NEXTLINE is in fact empty (and so
-	     we need not be careful to maintain its contents).  */
-
-	  if ((nextline == buf + len + 1
-	       ? fs->end - nl < fs->wmargin + 1
-	       : nextline - (nl + 1) < fs->wmargin)
-	      && fs->p > nextline)
-	    {
-	      /* The margin needs more blanks than we removed.  */
-	      if (fs->end - fs->p > fs->wmargin + 1)
-		/* Make some space for them.  */
-		{
-		  size_t mv = fs->p - nextline;
-		  memmove (nl + 1 + fs->wmargin, nextline, mv);
-		  nextline = nl + 1 + fs->wmargin;
-		  len = nextline + mv - buf;
-		  *nl++ = '\n';
-		}
-	      else
-		/* Output the first line so we can use the space.  */
-		{
-#ifdef _LIBC
-		  __fxprintf (fs->stream, "%.*s\n",
-			      (int) (nl - fs->buf), fs->buf);
-#else
-		  if (nl > fs->buf)
-		    fwrite_unlocked (fs->buf, 1, nl - fs->buf, fs->stream);
-		  putc_unlocked ('\n', fs->stream);
-#endif
-
-		  len += buf - fs->buf;
-		  nl = buf = fs->buf;
-		}
-	    }
-	  else
-	    /* We can fit the newline and blanks in before
-	       the next word.  */
-	    *nl++ = '\n';
-
-	  if (nextline - nl >= fs->wmargin
-	      || (nextline == buf + len + 1 && fs->end - nextline >= fs->wmargin))
-	    /* Add blanks up to the wrap margin column.  */
-	    for (i = 0; i < fs->wmargin; ++i)
-	      *nl++ = ' ';
-	  else
-	    for (i = 0; i < fs->wmargin; ++i)
-	      if (_IO_fwide (fs->stream, 0) > 0)
-		putwc_unlocked (L' ', fs->stream);
-	      else
-		putc_unlocked (' ', fs->stream);
-
-	  /* Copy the tail of the original buffer into the current buffer
-	     position.  */
-	  if (nl < nextline)
-	    memmove (nl, nextline, buf + len - nextline);
-	  len -= nextline - buf;
-
-	  /* Continue the scan on the remaining lines in the buffer.  */
-	  buf = nl;
-
-	  /* Restore bufp to include all the remaining text.  */
-	  fs->p = nl + len;
-
-	  /* Reset the counter of what has been output this line.  If wmargin
-	     is 0, we want to avoid the lmargin getting added, so we set
-	     point_col to a magic value of -1 in that case.  */
-	  fs->point_col = fs->wmargin ? fs->wmargin : -1;
-	}
-    }
-
-  /* Remember that we've scanned as far as the end of the buffer.  */
-  fs->point_offs = fs->p - fs->buf;
-}
-
-/* Ensure that FS has space for AMOUNT more bytes in its buffer, either by
-   growing the buffer, or by flushing it.  True is returned iff we succeed. */
-int
-__argp_fmtstream_ensure (struct argp_fmtstream *fs, size_t amount)
-{
-  if ((size_t) (fs->end - fs->p) < amount)
-    {
-      ssize_t wrote;
-
-      /* Flush FS's buffer.  */
-      __argp_fmtstream_update (fs);
-
-#ifdef _LIBC
-      __fxprintf (fs->stream, "%.*s", (int) (fs->p - fs->buf), fs->buf);
-      wrote = fs->p - fs->buf;
-#else
-      wrote = fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
-#endif
-      if (wrote == fs->p - fs->buf)
-	{
-	  fs->p = fs->buf;
-	  fs->point_offs = 0;
-	}
-      else
-	{
-	  fs->p -= wrote;
-	  fs->point_offs -= wrote;
-	  memmove (fs->buf, fs->buf + wrote, fs->p - fs->buf);
-	  return 0;
-	}
-
-      if ((size_t) (fs->end - fs->buf) < amount)
-	/* Gotta grow the buffer.  */
-	{
-	  size_t old_size = fs->end - fs->buf;
-	  size_t new_size = old_size + amount;
-	  char *new_buf;
-
-	  if (new_size < old_size || ! (new_buf = realloc (fs->buf, new_size)))
-	    {
-	      __set_errno (ENOMEM);
-	      return 0;
-	    }
-
-	  fs->buf = new_buf;
-	  fs->end = new_buf + new_size;
-	  fs->p = fs->buf;
-	}
-    }
-
-  return 1;
-}
-
-ssize_t
-__argp_fmtstream_printf (struct argp_fmtstream *fs, const char *fmt, ...)
-{
-  int out;
-  size_t avail;
-  size_t size_guess = PRINTF_SIZE_GUESS; /* How much space to reserve. */
-
-  do
-    {
-      va_list args;
-
-      if (! __argp_fmtstream_ensure (fs, size_guess))
-	return -1;
-
-      va_start (args, fmt);
-      avail = fs->end - fs->p;
-      out = __vsnprintf (fs->p, avail, fmt, args);
-      va_end (args);
-      if ((size_t) out >= avail)
-	size_guess = out + 1;
-    }
-  while ((size_t) out >= avail);
-
-  fs->p += out;
-
-  return out;
-}
-#if 0
-/* Not exported.  */
-#ifdef weak_alias
-weak_alias (__argp_fmtstream_printf, argp_fmtstream_printf)
-#endif
-#endif
-
-#endif /* !ARGP_FMTSTREAM_USE_LINEWRAP */