From: Sami Kerola <kerolasa@iki.fi>
To: util-linux@vger.kernel.org
Cc: kerolasa@iki.fi
Subject: [PATCH 12/33] agetty: check writing to a file was successful
Date: Sat, 13 Apr 2013 20:54:40 +0100 [thread overview]
Message-ID: <1365882901-11429-13-git-send-email-kerolasa@iki.fi> (raw)
In-Reply-To: <1365882901-11429-1-git-send-email-kerolasa@iki.fi>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---
term-utils/agetty.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/term-utils/agetty.c b/term-utils/agetty.c
index a23cf6d..dd52f70 100644
--- a/term-utils/agetty.c
+++ b/term-utils/agetty.c
@@ -235,6 +235,9 @@ static void login_options_to_argv(char *argv[], int *argc, char *str, char *user
static char *fakehost;
#ifdef DEBUGGING
+#ifndef
+# define DEBUG_OUTPUT "/dev/ttyp0"
+#endif
#define debug(s) do { fprintf(dbf,s); fflush(dbf); } while (0)
FILE *dbf;
#else
@@ -270,7 +273,7 @@ int main(int argc, char **argv)
sigaction(SIGINT, &sa, &sa_int);
#ifdef DEBUGGING
- dbf = fopen("/dev/ttyp0", "w");
+ dbf = fopen(DEBUG_OUTPUT, "w");
for (int i = 1; i < argc; i++)
debug(argv[i]);
#endif /* DEBUGGING */
@@ -420,6 +423,12 @@ int main(int argc, char **argv)
options.tty);
}
+#ifdef DEBUGGING
+ fprintf(dbf, "read %c\n", ch);
+ if (close_stream(dbf) != 0)
+ log_err("write failed: %s", DEBUG_OUTPUT);
+#endif
+
/* Let the login program take care of password validation. */
execv(options.login, login_argv);
log_err(_("%s: can't exec %s: %m"), options.tty, login_argv[0]);
--
1.8.2.1
next prev parent reply other threads:[~2013-04-13 19:55 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-13 19:54 [PATCH 00/33] pull: bash completions, help screens, and file writing Sami Kerola
2013-04-13 19:54 ` [PATCH 01/33] bash-completion: add mount and umount Sami Kerola
2013-04-13 19:54 ` [PATCH 02/33] blkid, hwclock, ldattach: use program_invocation_short_name Sami Kerola
2013-04-13 19:54 ` [PATCH 03/33] utmpdump: add option to write to a file Sami Kerola
2013-04-13 19:54 ` [PATCH 04/33] cfdisk: add long options to the command Sami Kerola
2013-04-26 11:30 ` Karel Zak
2013-04-13 19:54 ` [PATCH 05/33] bash-completion: prefer bash 3.x 'here string' syntax Sami Kerola
2013-04-13 21:59 ` Dave Reisner
2013-04-26 11:38 ` Karel Zak
2013-04-26 12:29 ` Sami Kerola
2013-04-13 19:54 ` [PATCH 06/33] setpriv: allow login and group name option arguments Sami Kerola
2013-04-13 19:54 ` [PATCH 07/33] build-sys: add --disable-setterm to ./configure Sami Kerola
2013-04-26 11:53 ` Karel Zak
2013-04-13 19:54 ` [PATCH 08/33] hexdump: add long options to the command Sami Kerola
2013-04-13 19:54 ` [PATCH 09/33] setsid: exit when control terminal cannot be set Sami Kerola
2013-04-13 19:54 ` [PATCH 10/33] cfdisk: check writing to a file was successful Sami Kerola
2013-04-13 19:54 ` [PATCH 11/33] setpriv: " Sami Kerola
2013-04-13 19:54 ` Sami Kerola [this message]
2013-04-13 19:54 ` [PATCH 13/33] pg: " Sami Kerola
2013-04-13 19:54 ` [PATCH 14/33] libblkid: " Sami Kerola
2013-04-13 19:54 ` [PATCH 15/33] libmount: " Sami Kerola
2013-04-13 19:54 ` [PATCH 16/33] include: add close_fd() for noticing write errors before close() Sami Kerola
2013-04-13 19:54 ` [PATCH 17/33] fdformat: check writing to a file descriptor was successful Sami Kerola
2013-04-13 19:54 ` [PATCH 18/33] partx: " Sami Kerola
2013-04-13 19:54 ` [PATCH 19/33] resizepart: " Sami Kerola
2013-04-13 19:54 ` [PATCH 20/33] cfdisk: " Sami Kerola
2013-04-13 19:54 ` [PATCH 21/33] sfdisk: " Sami Kerola
2013-04-13 19:54 ` [PATCH 22/33] wdctl: " Sami Kerola
2013-04-13 19:54 ` [PATCH 23/33] fsck.cramfs: " Sami Kerola
2013-04-13 19:54 ` [PATCH 24/33] fsck.minix: " Sami Kerola
2013-04-13 19:54 ` [PATCH 25/33] mkfs.bfs: " Sami Kerola
2013-04-13 19:54 ` [PATCH 26/33] mkfs.cramfs: unify write check to a file descriptor Sami Kerola
2013-04-13 19:54 ` [PATCH 27/33] mkfs.minix: check writing to a file descriptor was successful Sami Kerola
2013-04-13 19:54 ` [PATCH 28/33] mkswap: unify write check to a file descriptor Sami Kerola
2013-04-13 19:54 ` [PATCH 29/33] swaplabel: check writing to a file descriptor was successful Sami Kerola
2013-04-13 19:54 ` [PATCH 30/33] fallocate: " Sami Kerola
2013-04-13 19:54 ` [PATCH 31/33] setpriv: " Sami Kerola
2013-04-13 19:55 ` [PATCH 32/33] swapon: " Sami Kerola
2013-04-13 19:55 ` [PATCH 33/33] wall: " Sami Kerola
2013-04-17 13:31 ` [PATCH 00/33] pull: bash completions, help screens, and file writing Karel Zak
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