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| author |   millert <millert@openbsd.org> | 2000-01-21 04:22:54 +0000 |
|---|---|---|
| committer | millert <millert@openbsd.org> | 2000-01-21 04:22:54 +0000 |
| commit | 381bc3a3f46cf26845bb81138a9cdddbb91f985b (patch) | |
| tree | c890072e9b86dcda2927063e807b92eefb909cd3 | |
| parent | Remove unused function; jsm@netbsd.org (diff) | |
| download | wireguard-openbsd-381bc3a3f46cf26845bb81138a9cdddbb91f985b.tar.xz wireguard-openbsd-381bc3a3f46cf26845bb81138a9cdddbb91f985b.zip | |
Deal with getcwd() returning NULL.
Problem noted by Oleg Safiullin <form@vell.nsc.ru>
| -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 { |