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tty.c: Free memory for external getty on tty_unregister()

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2017-08-27 16:57:26 +02:00
1 parent 74affb32d3
commit f7b9b7be96
2 files changed
+15 -3
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src/tty.c
+13 -2
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@@ -108,7 +108,7 @@ int tty_register(char *line, struct timeval *mtime)
{
tty_node_t *entry;
int i, num = 1, insert = 0, noclear = 0;
char *tok, *cmd = NULL, *args[10];
char *tok, *cmd = NULL, *args[TTY_MAX_ARGS];
char *dev = NULL, *baud = NULL;
char *runlevels = NULL, *term = NULL;
@@ -137,6 +137,8 @@ int tty_register(char *line, struct timeval *mtime)
dev = strdup(tok);
args[num++] = strdup(tok);
if (num >= TTY_MAX_ARGS)
break;
}
cmd = strdup(cmd);
@@ -188,7 +190,7 @@ int tty_register(char *line, struct timeval *mtime)
/* External getty */
entry->data.cmd = cmd;
for (i = 0; i < num; i++)
for (i = 0; i < num && i < TTY_MAX_ARGS; i++)
entry->data.args[i] = args[i];
entry->data.args[++i] = NULL;
@@ -217,6 +219,15 @@ int tty_unregister(tty_node_t *tty)
free(tty->data.baud);
if (tty->data.term)
free(tty->data.term);
if (tty->data.cmd) {
int i;
free(tty->data.cmd);
for (i = 0; tty->data.args[i] && i < TTY_MAX_ARGS; i++) {
free(tty->data.args[i]);
tty->data.args[i] = NULL;
}
}
free(tty);
return 0;