1169695Skan/* Allocate memory region filled with spaces. 2169695Skan Copyright (C) 1991 Free Software Foundation, Inc. 3169695Skan 4169695SkanThis file is part of the libiberty library. 5169695SkanLibiberty is free software; you can redistribute it and/or 6169695Skanmodify it under the terms of the GNU Library General Public 7169695SkanLicense as published by the Free Software Foundation; either 8169695Skanversion 2 of the License, or (at your option) any later version. 9169695Skan 10169695SkanLibiberty is distributed in the hope that it will be useful, 11169695Skanbut WITHOUT ANY WARRANTY; without even the implied warranty of 12169695SkanMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13169695SkanLibrary General Public License for more details. 14169695Skan 15169695SkanYou should have received a copy of the GNU Library General Public 16169695SkanLicense along with libiberty; see the file COPYING.LIB. If 17169695Skannot, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, 18169695SkanBoston, MA 02110-1301, USA. */ 19169695Skan 20169695Skan/* 21169695Skan 22169695Skan@deftypefn Extension char* spaces (int @var{count}) 23169695Skan 24169695SkanReturns a pointer to a memory region filled with the specified 25169695Skannumber of spaces and null terminated. The returned pointer is 26169695Skanvalid until at least the next call. 27169695Skan 28169695Skan@end deftypefn 29169695Skan 30169695Skan*/ 31169695Skan 32169695Skan#ifdef HAVE_CONFIG_H 33169695Skan#include "config.h" 34169695Skan#endif 35169695Skan#include "ansidecl.h" 36169695Skan#include "libiberty.h" 37169695Skan 38169695Skan#if VMS 39169695Skan#include <stdlib.h> 40169695Skan#include <unixlib.h> 41169695Skan#else 42169695Skan/* For systems with larger pointers than ints, these must be declared. */ 43169695Skanextern PTR malloc (size_t); 44169695Skanextern void free (PTR); 45169695Skan#endif 46169695Skan 47169695Skanconst char * 48169695Skanspaces (int count) 49169695Skan{ 50169695Skan register char *t; 51169695Skan static char *buf; 52169695Skan static int maxsize; 53169695Skan 54169695Skan if (count > maxsize) 55169695Skan { 56169695Skan if (buf) 57169695Skan { 58169695Skan free (buf); 59169695Skan } 60169695Skan buf = (char *) malloc (count + 1); 61169695Skan if (buf == (char *) 0) 62169695Skan return 0; 63169695Skan for (t = buf + count ; t != buf ; ) 64169695Skan { 65169695Skan *--t = ' '; 66169695Skan } 67169695Skan maxsize = count; 68169695Skan buf[count] = '\0'; 69169695Skan } 70169695Skan return (const char *) (buf + maxsize - count); 71169695Skan} 72169695Skan 73