diff options
| -rw-r--r-- | coreutils/logname.c | 2 | ||||
| -rw-r--r-- | editors/awk.c | 2 | ||||
| -rw-r--r-- | loginutils/su.c | 23 |
3 files changed, 20 insertions, 7 deletions
diff --git a/coreutils/logname.c b/coreutils/logname.c index 3400c30..7983d17 100644 --- a/coreutils/logname.c +++ b/coreutils/logname.c @@ -27,7 +27,7 @@ int logname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int logname_main(int argc, char **argv UNUSED_PARAM) { - char buf[128]; + char buf[64]; if (argc > 1) { bb_show_usage(); diff --git a/editors/awk.c b/editors/awk.c index 30f09cb..cb98a67 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -114,7 +114,7 @@ typedef struct nvblock_s { var *pos; struct nvblock_s *prev; struct nvblock_s *next; - var nv[0]; + var nv[]; } nvblock; typedef struct tsplitter_s { diff --git a/loginutils/su.c b/loginutils/su.c index a8b852b..a3f7ed8 100644 --- a/loginutils/su.c +++ b/loginutils/su.c @@ -40,11 +40,24 @@ int su_main(int argc UNUSED_PARAM, char **argv) if (ENABLE_FEATURE_SU_SYSLOG) { /* The utmp entry (via getlogin) is probably the best way to identify - the user, especially if someone su's from a su-shell. - But getlogin can fail -- usually due to lack of utmp entry. - in this case resort to getpwuid. */ - old_user = xstrdup(IF_FEATURE_UTMP(getlogin() ? : ) (pw = getpwuid(cur_uid)) ? pw->pw_name : ""); - tty = xmalloc_ttyname(2) ? : "none"; + * the user, especially if someone su's from a su-shell. + * But getlogin can fail -- usually due to lack of utmp entry. + * in this case resort to getpwuid. */ + const char *user; +#if ENABLE_FEATURE_UTMP + char user_buf[64]; + user = user_buf; + if (getlogin_r(user_buf, sizeof(user_buf)) != 0) +#endif + { + pw = getpwuid(cur_uid); + user = pw ? pw->pw_name : ""; + } + old_user = xstrdup(user); + tty = xmalloc_ttyname(2); + if (!tty) { + tty = "none"; + } openlog(applet_name, 0, LOG_AUTH); } |