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Diffstat (limited to 'contrib/gcclibs/libiberty/spaces.c')
-rw-r--r-- | contrib/gcclibs/libiberty/spaces.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/contrib/gcclibs/libiberty/spaces.c b/contrib/gcclibs/libiberty/spaces.c new file mode 100644 index 0000000..67481c9 --- /dev/null +++ b/contrib/gcclibs/libiberty/spaces.c @@ -0,0 +1,72 @@ +/* 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., 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) + { + if (buf) + { + 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); +} + |