diff options
Diffstat (limited to 'libc/misc/utmp')
| -rw-r--r-- | libc/misc/utmp/utent.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/libc/misc/utmp/utent.c b/libc/misc/utmp/utent.c index 3671bb05c..16f4b115f 100644 --- a/libc/misc/utmp/utent.c +++ b/libc/misc/utmp/utent.c @@ -18,6 +18,7 @@ #include <fcntl.h> #include <paths.h> #include <errno.h> +#include <malloc.h> #include <string.h> #include "internal/utmp.h" #include <not-cancel.h> @@ -27,7 +28,7 @@ __UCLIBC_MUTEX_STATIC(utmplock, PTHREAD_MUTEX_INITIALIZER); /* Some global crap */ static int static_fd = -1; -static struct UT static_utmp; +static struct UT *static_utmp = NULL; static const char default_file[] = __DEFAULT_PATH_UTMP; static const char *current_file = default_file; @@ -72,9 +73,12 @@ static struct UT *__get_unlocked(void) return NULL; } - if (read_not_cancel(static_fd, &static_utmp, - sizeof(static_utmp)) == sizeof(static_utmp)) { - return &static_utmp; + if (static_utmp == NULL) + static_utmp = (struct UT *)__uc_malloc(sizeof(struct UT)); + + if (read_not_cancel(static_fd, static_utmp, + sizeof(struct UT)) == sizeof(struct UT)) { + return static_utmp; } return NULL; |