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gcc/libiberty/spaces.c
DJ Delorie aac04c15d7 Makefile.in (TEXIFILES): Add fnmatch.txh.
* Makefile.in (TEXIFILES): Add fnmatch.txh.
(maint-undoc): New.
maint-tool: Add "undoc" tool.
* alloca.c, argv.c, asprintf.c, choose-temp.c, concat.c,
fdmatch.c, ffs.c, getruntime.c, insque.c, lbasename.c,
make-temp-file.c, mkstemps.c, pexecute.c, random.c, spaces.c,
strerror.s, strsignal.c, strtol.c, vasprintf.c: Add or update
documentation.
* fnmatch.txh: New.
* functions.texi: Regenerate.

From-SVN: r46274
2001-10-15 22:50:13 -04:00

71 lines
1.7 KiB
C

/* Allocate memory region filled with spaces.
Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
Libiberty 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with libiberty; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/*
@deftypefn Extension char* spaces (int @var{count})
Returns a pointer to a memory region filled with the specified
number of spaces and null terminated. The returned pointer is
valid until at least the next call.
@end deftypefn
*/
#include "ansidecl.h"
#include "libiberty.h"
#if VMS
#include <stdlib.h>
#include <unixlib.h>
#else
/* For systems with larger pointers than ints, these must be declared. */
extern PTR malloc PARAMS ((size_t));
extern void free PARAMS ((PTR));
#endif
const char *
spaces (count)
int count;
{
register char *t;
static char *buf;
static int maxsize;
if (count > maxsize)
{
if (buf)
{
free (buf);
}
buf = malloc (count + 1);
if (buf == (char *) 0)
return 0;
for (t = buf + count ; t != buf ; )
{
*--t = ' ';
}
maxsize = count;
buf[count] = '\0';
}
return (const char *) (buf + maxsize - count);
}