[src/trunk]: src/usr.sbin/cron Report read errors, too.

[is <is%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/518febacdb5d
branches:  trunk
changeset: 556102:518febacdb5d
user:      is <is%NetBSD.org@localhost>
date:      Sun Dec 07 16:50:43 2003 +0000

description:
Report read errors, too.

diffstat:

 usr.sbin/cron/crontab.c |  14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)

diffs (42 lines):

diff -r f95ce9f61cd4 -r 518febacdb5d usr.sbin/cron/crontab.c
--- a/usr.sbin/cron/crontab.c   Sun Dec 07 16:35:04 2003 +0000
+++ b/usr.sbin/cron/crontab.c   Sun Dec 07 16:50:43 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: crontab.c,v 1.20 2003/12/03 13:12:53 is Exp $  */
+/*     $NetBSD: crontab.c,v 1.21 2003/12/07 16:50:43 is Exp $  */
 
 /* Copyright 1988,1990,1993,1994 by Paul Vixie
  * All rights reserved
@@ -22,7 +22,7 @@
 #if 0
 static char rcsid[] = "Id: crontab.c,v 2.13 1994/01/17 03:20:37 vixie Exp";
 #else
-__RCSID("$NetBSD: crontab.c,v 1.20 2003/12/03 13:12:53 is Exp $");
+__RCSID("$NetBSD: crontab.c,v 1.21 2003/12/07 16:50:43 is Exp $");
 #endif
 #endif
 
@@ -588,7 +588,7 @@
        fprintf(tmp, "# DO NOT EDIT THIS FILE - edit the master and reinstall.\n");
        fprintf(tmp, "# (%s installed on %-24.24s)\n", Filename, ctime(&now));
        fprintf(tmp, "# (Cron version -- %s)\n",
-           "$NetBSD: crontab.c,v 1.20 2003/12/03 13:12:53 is Exp $");
+           "$NetBSD: crontab.c,v 1.21 2003/12/07 16:50:43 is Exp $");
 
        /* copy the crontab to the tmp
         */
@@ -596,6 +596,14 @@
        Set_LineNum(1)
        while (EOF != (ch = get_char(NewCrontab)))
                putc(ch, tmp);
+
+       if (ferror(NewCrontab)) {
+               fprintf(stderr, "%s: error while reading %s: %s\n",
+                       ProgramName, Filename, strerror(errno));
+               fclose(tmp);  unlink(tn);
+               return (-2);
+       }
+
        ftruncate(fileno(tmp), ftell(tmp)); /* XXX this should be a NOOP - is */
        fflush(tmp);