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Mon May 6 09:51:05 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>

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* stdio/linewrap.c: New file.
	* stdio/Makefile (routines): Add linewrap.
	* stdio/stdio.h [__USE_GNU]: Declare line_wrap_stream,
	line_unwrap_stream.
This commit is contained in:
Roland McGrath
1996-05-07 14:49:12 +00:00
parent cee8df033b
commit 28ca945828
3 changed files with 372 additions and 3 deletions
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18
stdio/stdio.h
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@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
/* Copyright (C) 1991, 92, 93, 94, 95, 96 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
@ -353,6 +353,22 @@ extern FILE *fmemopen __P ((__ptr_t __s, size_t __len, __const char *__modes));
necessary. *BUFLOC and *SIZELOC are updated with the buffer's location
and the number of characters written on fflush or fclose. */
extern FILE *open_memstream __P ((char **__bufloc, size_t *__sizeloc));
/* Modify STREAM so that it prefixes lines written on it with *LMARGIN
spaces and limits them to *RMARGIN columns total. If WRAP is not null,
words that extend past *RMARGIN are wrapped by replacing the whitespace
before them with a newline and *WRAP spaces. Otherwise, chars beyond
*RMARGIN are simply dropped until a newline. Returns STREAM after
modifying it, or NULL if there was an error. The pointers passed are
stored in the stream and so must remain valid until `line_unwrap_stream'
is called; the values pointed to can be changed between stdio calls. */
extern FILE *line_wrap_stream __P ((FILE *__stream,
size_t *__lmargin, size_t *__rmargin,
size_t *__wrap));
/* Remove the hooks placed in STREAM by `line_wrap_stream'. */
extern void line_unwrap_stream __P ((FILE *__stream));
#endif