gcc/libiberty/spaces.c

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/* Allocate memory region filled with spaces.
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Copyright (C) 1991-2021 Free Software Foundation, Inc.
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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. */
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/*
@deftypefn Extension char* spaces (int @var{count})
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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.
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@end deftypefn
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*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
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#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. */
partition.h: Remove use of PARAMS. include/ 2005-03-27 Gabriel Dos Reis <gdr@integrable-solutions.net> * partition.h: Remove use of PARAMS. * obstack.h: Remove conditional prototypes __STDC__. * objalloc.h: Remove use of PARAMS. * splay-tree.h: Likewise. libiberty/ 2005-03-27 Gabriel Dos Reis <gdr@integrable-solutions.net> Convert libiberty to use ISO C prototype style 5/n. * random.c (srandom, initstate, setstate, random): Use ISO C prototypes. * putenv.c (putenv): Likewise. * physmem.c (physmem_available, physmem_total, main): Likewise. * pex-win32.c (fix_argv, pexecute, pwait): Likewise. * pex-unix.c (pexecute, pwait): Likewise. * pex-msdos.c (pexecute, pwait): Likewise. * pex-djgpp.c (pexecute, pwait): Likewise. * partition.c (partition_new, partition_delete, partition_union) (elem_compare, partition_print): Likewise. * obstack.c (_obstack_begin, _obstack_begin_1, _obstack_newchunk, _obstack_allocated_p, _obstack_free, obstack_free, _obstack_memory_used, print_and_abort, obstack_next_free, obstack_object_size, obstack_base): Likewise. Remove codes predicated on !defined(__STDC__). * objalloc.c (objalloc_create, _objalloc_alloc, objalloc_free, objalloc_free_block): Use ISO C prototypes. * mkstemps.c (mkstemps): Likewise. * memset.c (memset): Likewise. * mempcpy.c (mempcpy): Likewise. * rename.c (rename): Likewise. * rindex.c (rindex): Likewise. * setenv.c (setenv, unsetenv): Likewise. * sigsetmask.c (sigsetmask): Likewise. * snprintf.c (snprintf): Likewise. * sort.c (sort_pointers, xmalloc): Likewise. * spaces.c (spaces): Likewise. * splay-tree.c (splay_tree_delete_helper, splay_tree_splay_helper, splay_tree_splay, splay_tree_foreach_helper, splay_tree_xmalloc_allocate, splay_tree_new, splay_tree_xmalloc_allocate, splay_tree_new_with_allocator, splay_tree_delete, splay_tree_insert, splay_tree_remove, splay_tree_lookup, splay_tree_max, splay_tree_min, splay_tree_predecessor, splay_tree_successor, splay_tree_foreach, splay_tree_compare_ints, splay_tree_compare_pointers): Likewise. * stpcpy.c (stpcpy): Likewise. * stpncpy.c (stpncpy): Likewise. * strcasecmp.c (strcasecmp): Likewise. * strchr.c (strchr): Likewise. * strdup.c (strdup): Likewise. From-SVN: r97125
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extern PTR malloc (size_t);
extern void free (PTR);
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#endif
const char *
partition.h: Remove use of PARAMS. include/ 2005-03-27 Gabriel Dos Reis <gdr@integrable-solutions.net> * partition.h: Remove use of PARAMS. * obstack.h: Remove conditional prototypes __STDC__. * objalloc.h: Remove use of PARAMS. * splay-tree.h: Likewise. libiberty/ 2005-03-27 Gabriel Dos Reis <gdr@integrable-solutions.net> Convert libiberty to use ISO C prototype style 5/n. * random.c (srandom, initstate, setstate, random): Use ISO C prototypes. * putenv.c (putenv): Likewise. * physmem.c (physmem_available, physmem_total, main): Likewise. * pex-win32.c (fix_argv, pexecute, pwait): Likewise. * pex-unix.c (pexecute, pwait): Likewise. * pex-msdos.c (pexecute, pwait): Likewise. * pex-djgpp.c (pexecute, pwait): Likewise. * partition.c (partition_new, partition_delete, partition_union) (elem_compare, partition_print): Likewise. * obstack.c (_obstack_begin, _obstack_begin_1, _obstack_newchunk, _obstack_allocated_p, _obstack_free, obstack_free, _obstack_memory_used, print_and_abort, obstack_next_free, obstack_object_size, obstack_base): Likewise. Remove codes predicated on !defined(__STDC__). * objalloc.c (objalloc_create, _objalloc_alloc, objalloc_free, objalloc_free_block): Use ISO C prototypes. * mkstemps.c (mkstemps): Likewise. * memset.c (memset): Likewise. * mempcpy.c (mempcpy): Likewise. * rename.c (rename): Likewise. * rindex.c (rindex): Likewise. * setenv.c (setenv, unsetenv): Likewise. * sigsetmask.c (sigsetmask): Likewise. * snprintf.c (snprintf): Likewise. * sort.c (sort_pointers, xmalloc): Likewise. * spaces.c (spaces): Likewise. * splay-tree.c (splay_tree_delete_helper, splay_tree_splay_helper, splay_tree_splay, splay_tree_foreach_helper, splay_tree_xmalloc_allocate, splay_tree_new, splay_tree_xmalloc_allocate, splay_tree_new_with_allocator, splay_tree_delete, splay_tree_insert, splay_tree_remove, splay_tree_lookup, splay_tree_max, splay_tree_min, splay_tree_predecessor, splay_tree_successor, splay_tree_foreach, splay_tree_compare_ints, splay_tree_compare_pointers): Likewise. * stpcpy.c (stpcpy): Likewise. * stpncpy.c (stpncpy): Likewise. * strcasecmp.c (strcasecmp): Likewise. * strchr.c (strchr): Likewise. * strdup.c (strdup): Likewise. From-SVN: r97125
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spaces (int count)
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{
register char *t;
static char *buf;
static int maxsize;
if (count > maxsize)
{
free (buf);
libiberty.h (ACONCAT): Properly cast value of alloca(). include/ 2005-05-24 Gabriel Dos Reis <gdr@integrable-solutions.net> * libiberty.h (ACONCAT): Properly cast value of alloca(). * ansidecl.h (ATTRIBUTE_UNUSED_LABEL): Don't define if __cplusplus. libiberty/ 2005-05-24 Gabriel Dos Reis <gdr@integrable-solutions.net> * configure.ac: Check declarations for calloc(), getenv(), malloc(), realloc() and sbrk(). * config.in: Regenerate. * configure: Likewise. * alloca.c (C_alloca): Change "new" to "new_storage". Use XNEWVEC instead of xmalloc. * choose-temp.c (choose_temp_base): Use XNEWVEC instea od xmalloc. * concat.c (liiberty_concat_ptr): Surround definition with an extern "C" block, if __cplusplus. (concat): Use XNEWVEC instead of xmalloc. (reconcat): Likewise. * cp-demangle.c (struct d_print_template): Rename member "template" to "template_decl". Adjust use throughout the file. (d_print_resize): Properly cast return value of realloc(). (cplus_demangle_print): Same for malloc(). (d_demangle): Likewise. * cp-demint.c (cplus_demangle_fill_builtin_type): Rename parameter "typename" to "type_name". * cplus-dem.c (grow_vect): Use XRESIZEVEC instead of xrealloc(). (work_stuff_copy_to_from): Use XNEWVEC insteand of xmalloc(). (demangle_template_value_parm): Likewise. (demangle_template): Likewise. (recursively_demangle): Likewise. (do_hpacc_template_literal): Likewise. (do_arg): Likewise. (remember_type): Likewise. (remember_Ktype): Likewise. (register_Btype): Likewise. (string_need): Use XRESIZEVEC instead of xrealloc(). * dyn-string.c (dyn_string_init): Use XNEWVEC. (dyn_string_new): Use XNEW. (dyn_string_resize): Use XRESIZEVEC. * fnmatch.c (fnmatch): Rename local variable "not" to "negate". * getopt.c (getenv): Declare only if !__cplusplus and !getenv. Otherwise include <stdlib.h>. (exchange): Cast return value of malloc(). * hashtab.c (htab_size): Define as both macro and non-inline function. (htab_elements): Likewise. * getpwd.c (getpwd): Use XNEWVEC. (htab_create_alloc_ex): Use C90 prototype-style. * lrealpath.c (lrealpath): Appropriately cast return value of malloc(). * make-relative-prefix.c (save_string): Likewise. * make-temp-file.c (try_dir): Rename from "try". Adjust use in the file. (choose_tmpdir): Use XNEWVEC. * mkstemps.c (mkstemps): Rename parameter "template" to "pattern". * pex-common.c (pex_init_common): Use XNEW. (pex_add_remove): Use XRESIZEVEC. (pex_run): Likewise. (pex_get_status_and_time): Likewise. * pex-djgpp.c (pex_djgpp_exec_child): Likewise. * pex-msdos.c (pex_init): Use XNEW. (pex_msdos_exec_child): Likewise. (pex_msdos_exec_child): Use XRESIZEVEC. * pex-unix.c (pex_wait): Use XNEW. * pex-win32.c (fix_argv): Use XNEWVEC. * pexecute.c (pwait): Likewise. * setenv.c (setenv): Properly cast return value of malloc(). * sigsetmask.c (sigsetmask): Rename local variables "old" and "new" to "old_sig" and "new_sig". * sort.c (main): Use XNEWVEC. * spaces.c (spaces): Cast return value of malloc(). * strndup.c (strndup): Likewise. * ternary.c (ternary_insert): Use XNEW. * xmalloc.c (malloc, realloc, calloc, sbrk): Surround declaration with an extern "C" block if __cplusplus. * xstrdup.c (xstrdup): Cast return value of memcpy(). * xstrerror.c (strerror): Enclose declaration in an extern "C" block if __cplusplus. * xstrndup.c (xstrndup): Use XNEW. Cast return value of memcpy(). From-SVN: r100115
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buf = (char *) malloc (count + 1);
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if (buf == (char *) 0)
return 0;
for (t = buf + count ; t != buf ; )
{
*--t = ' ';
}
maxsize = count;
buf[count] = '\0';
}
return (const char *) (buf + maxsize - count);
}