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libavformat/ftp: Do not leak memory in routine ftp_features 

Setting the pointer to NULL inside both ftp_send_command
and ftp_features is redundant. Generally always setting to
NULL in ftp_send_command seems safer, but throughout the file
that parameter was always passed initialized. So I do it here
too for consistency.

Should fix CID1231988 (RESOURCE_LEAK)

OKed-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
This commit is contained in:
Alexander Strasser 2014-08-20 00:41:55 +02:00
parent f75baa6c9b
commit db85d11d9d
1 changed files with 6 additions and 1 deletions
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7
libavformat/ftp.c
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@ -183,6 +183,9 @@ static int ftp_send_command(FTPContext *s, const char *command,
{
int err;
if (response)
*response = NULL;
if ((err = ffurl_write(s->conn_control, command, strlen(command))) < 0)
return err;
if (!err)
@ -444,12 +447,14 @@ static int ftp_features(FTPContext *s)
static const char *enable_utf8_command = "OPTS UTF8 ON\r\n";
static const int feat_codes[] = {211, 0};
static const int opts_codes[] = {200, 451};
char *feat;
char *feat = NULL;
if (ftp_send_command(s, feat_command, feat_codes, &feat) == 211) {
if (av_stristr(feat, "UTF8"))
ftp_send_command(s, enable_utf8_command, opts_codes, NULL);
}
av_freep(&feat);
return 0;
}