Use NULL instead of 0 for pointers.

dbopen(3) will returns a NULL on error.

MFC after:	2 weeks.
This commit is contained in:
Marcelo Araujo 2016-04-19 01:25:35 +00:00
parent 0b410d9c57
commit 14adaa14cb

View File

@ -1144,7 +1144,7 @@ start_session_db(void)
{
if (session_db && (*session_db->close)(session_db))
emergency("session database close: %s", strerror(errno));
if ((session_db = dbopen(NULL, O_RDWR, 0, DB_HASH, NULL)) == 0) {
if ((session_db = dbopen(NULL, O_RDWR, 0, DB_HASH, NULL)) == NULL) {
emergency("session database open: %s", strerror(errno));
return (1);
}
@ -1284,7 +1284,7 @@ new_session(session_t *sprev, struct ttyent *typ)
}
sp->se_next = 0;
if (sprev == 0) {
if (sprev == NULL) {
sessions = sp;
sp->se_prev = 0;
} else {
@ -1311,7 +1311,7 @@ setupargv(session_t *sp, struct ttyent *typ)
sprintf(sp->se_getty, "%s %s", typ->ty_getty, typ->ty_name);
sp->se_getty_argv_space = strdup(sp->se_getty);
sp->se_getty_argv = construct_argv(sp->se_getty_argv_space);
if (sp->se_getty_argv == 0) {
if (sp->se_getty_argv == NULL) {
warning("can't parse getty for port %s", sp->se_device);
free(sp->se_getty);
free(sp->se_getty_argv_space);
@ -1329,7 +1329,7 @@ setupargv(session_t *sp, struct ttyent *typ)
sp->se_window = strdup(typ->ty_window);
sp->se_window_argv_space = strdup(sp->se_window);
sp->se_window_argv = construct_argv(sp->se_window_argv_space);
if (sp->se_window_argv == 0) {
if (sp->se_window_argv == NULL) {
warning("can't parse window for port %s",
sp->se_device);
free(sp->se_window_argv_space);