gcc/libiberty/rename.c
Rodney Brown c2f275e484 Makefile.in (rename.o, waitpid.o): Depend on config.h
* 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
2000-07-26 17:23:24 -06:00

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);
}