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exec: remove check of NULL pointers before calling free() (issue #865)

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This commit is contained in:
Sébastien Helleu
2024-04-24 23:18:14 +02:00
parent f92606a317
commit 5ad977a6ed
2 changed files with 19 additions and 42 deletions
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src/plugins/exec/exec.c
+12 -26
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@@ -417,11 +417,8 @@ exec_concat_output (struct t_exec_cmd *exec_cmd, struct t_gui_buffer *buffer,
line = weechat_strndup (ptr_text, pos - ptr_text);
if (!line)
break;
if (exec_cmd->output[out])
{
free (exec_cmd->output[out]);
exec_cmd->output[out] = NULL;
}
free (exec_cmd->output[out]);
exec_cmd->output[out] = NULL;
exec_cmd->output_size[out] = 0;
exec_display_line (exec_cmd, buffer, out, line);
free (line);
@@ -471,12 +468,10 @@ exec_end_command (struct t_exec_cmd *exec_cmd, int return_code)
weechat_hashtable_set (hashtable, "name", exec_cmd->name);
output = exec_decode_color (exec_cmd, exec_cmd->output[EXEC_STDOUT]);
weechat_hashtable_set (hashtable, "out", output);
if (output)
free (output);
free (output);
output = exec_decode_color (exec_cmd, exec_cmd->output[EXEC_STDERR]);
weechat_hashtable_set (hashtable, "err", output);
if (output)
free (output);
free (output);
snprintf (str_number, sizeof (str_number), "%d", return_code);
weechat_hashtable_set (hashtable, "rc", str_number);
weechat_hook_hsignal_send (exec_cmd->hsignal, hashtable);
@@ -554,11 +549,8 @@ exec_end_command (struct t_exec_cmd *exec_cmd, int return_code)
exec_cmd->return_code = return_code;
for (i = 0; i < 2; i++)
{
if (exec_cmd->output[i])
{
free (exec_cmd->output[i]);
exec_cmd->output[i] = NULL;
}
free (exec_cmd->output[i]);
exec_cmd->output[i] = NULL;
exec_cmd->output_size[i] = 0;
}
@@ -645,21 +637,15 @@ exec_free (struct t_exec_cmd *exec_cmd)
/* free data */
if (exec_cmd->hook)
weechat_unhook (exec_cmd->hook);
if (exec_cmd->name)
free (exec_cmd->name);
if (exec_cmd->command)
free (exec_cmd->command);
if (exec_cmd->buffer_full_name)
free (exec_cmd->buffer_full_name);
free (exec_cmd->name);
free (exec_cmd->command);
free (exec_cmd->buffer_full_name);
for (i = 0; i < 2; i++)
{
if (exec_cmd->output[i])
free (exec_cmd->output[i]);
free (exec_cmd->output[i]);
}
if (exec_cmd->pipe_command)
free (exec_cmd->pipe_command);
if (exec_cmd->hsignal)
free (exec_cmd->hsignal);
free (exec_cmd->pipe_command);
free (exec_cmd->hsignal);
free (exec_cmd);