diff options
author | Todd C. Miller <millert@cvs.openbsd.org> | 2000-01-21 04:22:55 +0000 |
---|---|---|
committer | Todd C. Miller <millert@cvs.openbsd.org> | 2000-01-21 04:22:55 +0000 |
commit | d5c06a7b79c8c3d1cc30653cb9fa495116058175 (patch) | |
tree | c65758bd12bbfb7d88470c203330e1f42857526a /usr.bin/at | |
parent | 872761ead8d922e6e701e299640b53254f57cea5 (diff) |
Deal with getcwd() returning NULL.
Problem noted by Oleg Safiullin <form@vell.nsc.ru>
Diffstat (limited to 'usr.bin/at')
-rw-r--r-- | usr.bin/at/at.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/usr.bin/at/at.c b/usr.bin/at/at.c index 1ddab472b20..6733657e3a3 100644 --- a/usr.bin/at/at.c +++ b/usr.bin/at/at.c @@ -1,4 +1,4 @@ -/* $OpenBSD: at.c,v 1.17 1999/12/15 05:33:06 deraadt Exp $ */ +/* $OpenBSD: at.c,v 1.18 2000/01/21 04:22:54 millert Exp $ */ /* $NetBSD: at.c,v 1.4 1995/03/25 18:13:31 glass Exp $ */ /* @@ -74,7 +74,7 @@ enum { ATQ, ATRM, AT, BATCH, CAT }; /* what program we want to run */ /* File scope variables */ #ifndef lint -static char rcsid[] = "$OpenBSD: at.c,v 1.17 1999/12/15 05:33:06 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: at.c,v 1.18 2000/01/21 04:22:54 millert Exp $"; #endif char *no_export[] = @@ -280,8 +280,8 @@ writefile(runtimer, queue) panic("Cannot reopen atjob file"); /* - * Get the userid to mail to, first by trying getlogin(), which reads - * /etc/utmp, then from $LOGNAME or $USER, finally from getpwuid(). + * Get the userid to mail to, first by trying getlogin(), which asks + * the kernel, then from $LOGNAME or $USER, finally from getpwuid(). */ mailname = getlogin(); if (mailname == NULL && (mailname = getenv("LOGNAME")) == NULL) @@ -361,8 +361,10 @@ writefile(runtimer, queue) * Cd to the directory at the time and write out all the * commands the user supplies from stdin. */ + if ((ap = cwdname()) == NULL) + perr("Cannot get current working directory"); (void)fputs("cd ", fp); - for (ap = cwdname(); *ap != '\0'; ap++) { + for (; *ap != '\0'; ap++) { if (*ap == '\n') fprintf(fp, "\"\n\""); else { |