[deliverable/binutils-gdb.git] / libiberty / rename.c

/* rename -- rename a file
   This function is in the public domain. */

/* Rename a file.  */

#include <errno.h>

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);
}
Commit	Line	Data
252b5132 RH	1	/* rename -- rename a file
	2	This function is in the public domain. */
	3
	4	/* Rename a file. */
	5
	6	#include <errno.h>
	7
	8	int
	9	rename (zfrom, zto)
	10	char *zfrom;
	11	char *zto;
	12	{
	13	if (link (zfrom, zto) < 0)
	14	{
	15	if (errno != EEXIST)
	16	return -1;
	17	if (unlink (zto) < 0
	18	\|\| link (zfrom, zto) < 0)
	19	return -1;
	20	}
	21	return unlink (zfrom);
	22	}