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stream_file: remove an indirection

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Remove the "fd" local variable, and always use "p->fd" directly.
This commit is contained in:
wm4 2015-07-10 12:47:53 +02:00
parent 4c04f74a50
commit 01ce203ed7
1 changed files with 13 additions and 17 deletions
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30
stream/stream_file.c
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@ -229,7 +229,6 @@ static bool check_stream_network(int fd)
static int open_f(stream_t *stream)
{
int fd;
struct priv *p = talloc_ptrtype(stream, p);
*p = (struct priv) {
.fd = -1
@ -249,25 +248,23 @@ static int open_f(stream_t *stream)
if (strncmp(stream->url, "fd://", 5) == 0) {
char *end = NULL;
fd = strtol(stream->url + 5, &end, 0);
p->fd = strtol(stream->url + 5, &end, 0);
if (!end || end == stream->url + 5 || end[0]) {
MP_ERR(stream, "Invalid FD: %s\n", stream->url);
return STREAM_ERROR;
}
p->fd = fd;
p->close = false;
} else if (!strcmp(filename, "-")) {
if (!write) {
MP_INFO(stream, "Reading from stdin...\n");
fd = 0;
p->fd = 0;
} else {
MP_INFO(stream, "Writing to stdout...\n");
fd = 1;
p->fd = 1;
}
#ifdef __MINGW32__
setmode(fd, O_BINARY);
setmode(p->fd, O_BINARY);
#endif
p->fd = fd;
p->close = false;
} else {
mode_t openmode = S_IRUSR | S_IWUSR;
@ -276,14 +273,14 @@ static int open_f(stream_t *stream)
if (!write)
m |= O_NONBLOCK;
#endif
fd = open(filename, m | O_BINARY, openmode);
if (fd < 0) {
p->fd = open(filename, m | O_BINARY, openmode);
if (p->fd < 0) {
MP_ERR(stream, "Cannot open file '%s': %s\n",
filename, mp_strerror(errno));
filename, mp_strerror(errno));
return STREAM_ERROR;
}
struct stat st;
if (fstat(fd, &st) == 0) {
if (fstat(p->fd, &st) == 0) {
if (S_ISDIR(st.st_mode)) {
stream->type = STREAMTYPE_DIR;
stream->allow_caching = false;
@ -293,17 +290,16 @@ static int open_f(stream_t *stream)
if (S_ISREG(st.st_mode)) {
p->regular = true;
// O_NONBLOCK has weird semantics on file locks; remove it.
int val = fcntl(fd, F_GETFL) & ~(unsigned)O_NONBLOCK;
fcntl(fd, F_SETFL, val);
int val = fcntl(p->fd, F_GETFL) & ~(unsigned)O_NONBLOCK;
fcntl(p->fd, F_SETFL, val);
}
#endif
}
p->fd = fd;
p->close = true;
}
off_t len = lseek(fd, 0, SEEK_END);
lseek(fd, 0, SEEK_SET);
off_t len = lseek(p->fd, 0, SEEK_END);
lseek(p->fd, 0, SEEK_SET);
if (len != (off_t)-1) {
stream->seek = seek;
stream->seekable = true;
@ -316,7 +312,7 @@ static int open_f(stream_t *stream)
stream->read_chunk = 64 * 1024;
stream->close = s_close;
if (check_stream_network(fd))
if (check_stream_network(p->fd))
stream->streaming = true;
return STREAM_OK;