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authorRich Felker <dalias@aerifal.cx>2013-06-27 20:00:29 -0400
committerRich Felker <dalias@aerifal.cx>2013-06-27 20:00:29 -0400
commit1e2281b8356d1935a129ddb199d71677f19a1619 (patch)
tree8b5e757529213612235cdbb641f566fa263b9055 /include/utmp.h
parent3cd6f5229f079f892411e82fce3fe15c78eef4d8 (diff)
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minor compatibility fixes in utmp.h and fixing mismatch with paths.h
the pathnames prefixed with /dev/null/ are guaranteed never to be valid. the previous use of /dev/null alone was mildly dangerous in that bad software might attempt to unlink the name when it found a non-regular file there and create a new file.
Diffstat (limited to 'include/utmp.h')
-rw-r--r--include/utmp.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/utmp.h b/include/utmp.h
index c24d0a8d..b357ac8c 100644
--- a/include/utmp.h
+++ b/include/utmp.h
@@ -19,6 +19,7 @@ struct lastlog {
#define ut_time ut_tv.tv_sec
#define ut_name ut_user
+#define ut_addr ut_addr_v6[0]
#define utmp utmpx
#define utmpname(x) (-1)
@@ -31,8 +32,13 @@ void setutent(void);
void updwtmp(const char *, const struct utmp *);
-#define _PATH_UTMP "/dev/null"
-#define _PATH_WTMP "/dev/null"
+#define _PATH_UTMP "/dev/null/utmp"
+#define _PATH_WTMP "/dev/null/wtmp"
+
+#define UTMP_FILE _PATH_UTMP
+#define WTMP_FILE _PATH_WTMP
+#define UTMP_FILENAME _PATH_UTMP
+#define WTMP_FILENAME _PATH_WTMP
#ifdef __cplusplus
}