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lavf/ftp: remove fixed length buffers from context

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It saves some memory.

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
This commit is contained in:
Lukasz Marek 2015-04-03 00:00:23 +02:00
parent c043def91f
commit cd3d0d5422
1 changed files with 17 additions and 7 deletions
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24
libavformat/ftp.c
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@ -43,10 +43,10 @@ typedef struct {
uint8_t *control_buf_ptr, *control_buf_end;
int server_data_port; /**< Data connection port opened by server, -1 on error. */
int server_control_port; /**< Control connection port, default is 21 */
char hostname[512]; /**< Server address. */
char *hostname; /**< Server address. */
char *user; /**< Server user */
char *password; /**< Server user's password */
char path[MAX_URL_SIZE]; /**< Path to resource on server. */
char *path; /**< Path to resource on server. */
int64_t filesize; /**< Size of file on server, -1 on error. */
int64_t position; /**< Current position, calculated. */
int rw_timeout; /**< Network timeout. */
@ -351,9 +351,12 @@ static int ftp_current_dir(FTPContext *s)
end[-1] = '\0';
} else
*end = '\0';
av_strlcpy(s->path, start, sizeof(s->path));
s->path = av_strdup(start);
av_free(res);
if (!s->path)
return AVERROR(ENOMEM);
return 0;
fail:
@ -569,10 +572,11 @@ static int ftp_abort(URLContext *h)
static int ftp_open(URLContext *h, const char *url, int flags)
{
char proto[10], path[MAX_URL_SIZE], credencials[MAX_URL_SIZE];
char proto[10], path[MAX_URL_SIZE], credencials[MAX_URL_SIZE], hostname[MAX_URL_SIZE];
const char *tok_user = NULL, *tok_pass = NULL;
char *end = NULL;
int err;
size_t pathlen;
FTPContext *s = h->priv_data;
av_dlog(h, "ftp protocol open\n");
@ -583,7 +587,7 @@ static int ftp_open(URLContext *h, const char *url, int flags)
av_url_split(proto, sizeof(proto),
credencials, sizeof(credencials),
s->hostname, sizeof(s->hostname),
hostname, sizeof(hostname),
&s->server_control_port,
path, sizeof(path),
url);
@ -596,7 +600,8 @@ static int ftp_open(URLContext *h, const char *url, int flags)
}
s->user = av_strdup(tok_user);
s->password = av_strdup(tok_pass);
if (!s->user || (tok_pass && !s->password)) {
s->hostname = av_strdup(hostname);
if (!s->hostname || !s->user || (tok_pass && !s->password)) {
err = AVERROR(ENOMEM);
goto fail;
}
@ -609,7 +614,10 @@ static int ftp_open(URLContext *h, const char *url, int flags)
if ((err = ftp_current_dir(s)) < 0)
goto fail;
av_strlcat(s->path, path, sizeof(s->path));
pathlen = strlen(s->path) + strlen(path) + 1;
if ((err = av_reallocp(&s->path, pathlen)) < 0)
goto fail;
av_strlcat(s->path + strlen(s->path), path, pathlen);
if (ftp_restart(s, 0) < 0) {
h->is_streamed = 1;
@ -766,6 +774,8 @@ static int ftp_close(URLContext *h)
ftp_close_both_connections(s);
av_freep(&s->user);
av_freep(&s->password);
av_freep(&s->hostname);
av_freep(&s->path);
return 0;
}