/* 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); }