mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-21 11:09:40 +08:00
c2f275e484
* Makefile.in (rename.o, waitpid.o): Depend on config.h * rename.c: include config.h, unistd.h * waitpid.c: include config.h, sys/wait.h Co-Authored-By: Jeffrey A Law <law@cygnus.com> From-SVN: r35272
29 lines
447 B
C
29 lines
447 B
C
/* rename -- rename a file
|
|
This function is in the public domain. */
|
|
|
|
/* Rename a file. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
#include <errno.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
int
|
|
rename (zfrom, zto)
|
|
char *zfrom;
|
|
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);
|
|
}
|