Mercurial > hg > octave-lojdl > gnulib-hg
changeset 1767:88fe48b75cb8
(rename): Use pid_t instead of int; check status
against zero. This is to improve portability.
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Tue, 30 Mar 1999 04:48:17 +0000 |
parents | b5ce32adceff |
children | d12253dc9dbb |
files | lib/rename.c |
diffstat | 1 files changed, 9 insertions(+), 6 deletions(-) [+] |
line wrap: on
line diff
--- a/lib/rename.c +++ b/lib/rename.c @@ -41,7 +41,6 @@ rename (char *from, char *to) { struct stat from_stats, to_stats; - int pid, status; if (stat (from, &from_stats)) return -1; @@ -74,23 +73,27 @@ if (S_ISDIR (from_stats.st_mode)) { /* Need a setuid root process to link and unlink directories. */ - pid = fork (); + int status; + pid_t pid = fork (); switch (pid) { case -1: /* Error. */ - error (1, errno, "cannot fork"); + return -1; /* errno already set */ case 0: /* Child. */ execl (MVDIR, "mvdir", from, to, (char *) 0); - error (255, errno, "cannot run `%s'", MVDIR); + _exit (1); default: /* Parent. */ while (wait (&status) != pid) /* Do nothing. */ ; - errno = 0; /* mvdir printed the system error message. */ if (status) - return -1; + { + /* MVDIR failed. */ + errno = EIO; + return -1; + } } } else