mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-12-11 21:03:45 +08:00
23 lines
351 B
C
23 lines
351 B
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);
|
|
}
|