gcc/libiberty/rename.c
Gabriel Dos Reis 885f2199f3 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
2005-03-28 04:22:33 +00:00

37 lines
633 B
C

/* rename -- rename a file
This function is in the public domain. */
/*
@deftypefn Supplemental int rename (const char *@var{old}, const char *@var{new})
Renames a file from @var{old} to @var{new}. If @var{new} already
exists, it is removed.
@end deftypefn
*/
#include "ansidecl.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
int
rename (const char *zfrom, const char *zto)
{
if (link (zfrom, zto) < 0)
{
if (errno != EEXIST)
return -1;
if (unlink (zto) < 0
|| link (zfrom, zto) < 0)
return -1;
}
return unlink (zfrom);
}