| /* Allocate memory region filled with spaces. |
| Copyright (C) 1991-2017 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., 51 Franklin Street - Fifth Floor, |
| Boston, MA 02110-1301, 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 |
| |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| #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 (size_t); |
| extern void free (PTR); |
| #endif |
| |
| const char * |
| spaces (int count) |
| { |
| register char *t; |
| static char *buf; |
| static int maxsize; |
| |
| if (count > maxsize) |
| { |
| free (buf); |
| buf = (char *) 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); |
| } |
| |