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Code Issues Releases Activity

RTSP: Remove skip_spaces in favor of strspn

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Patch by Josh Allmann, joshua dot allmann at gmail

Originally committed as revision 23768 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Josh Allmann 2010-06-25 07:56:45 +00:00 committed by Martin Storsjö
parent 50061b6234
commit 30619e6e59
2 changed files with 14 additions and 25 deletions
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2
libavformat/internal.h
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@ -174,4 +174,6 @@ void ff_sdp_write_media(char *buff, int size, AVCodecContext *c,
int ff_write_chained(AVFormatContext *dst, int dst_stream, AVPacket *pkt,
AVFormatContext *src);
#define SPACE_CHARS " \t\r\n"
#endif /* AVFORMAT_INTERNAL_H */

37
libavformat/rtsp.c
View File

@ -53,19 +53,6 @@ int rtsp_default_protocols = (1 << RTSP_LOWER_TRANSPORT_UDP);
#define READ_PACKET_TIMEOUT_S 10
#define MAX_TIMEOUTS READ_PACKET_TIMEOUT_S * 1000 / SELECT_TIMEOUT_MS
#define SPACE_CHARS " \t\r\n"
/* we use memchr() instead of strchr() here because strchr() will return
* the terminating '\0' of SPACE_CHARS instead of NULL if c is '\0'. */
#define redir_isspace(c) memchr(SPACE_CHARS, c, 4)
static void skip_spaces(const char **pp)
{
const char *p;
p = *pp;
while (redir_isspace(*p))
p++;
*pp = p;
}
static void get_word_until_chars(char *buf, int buf_size,
const char *sep, const char **pp)
{
@ -73,7 +60,7 @@ static void get_word_until_chars(char *buf, int buf_size,
char *q;
p = *pp;
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
q = buf;
while (!strchr(sep, *p) && *p != '\0') {
if ((q - buf) < buf_size - 1)
@ -179,7 +166,7 @@ static int hex_to_data(uint8_t *data, const char *p)
len = 0;
v = 1;
for (;;) {
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
if (*p == '\0')
break;
c = toupper((unsigned char) *p++);
@ -256,7 +243,7 @@ static const AttrNameMap attr_names[]=
int ff_rtsp_next_attr_and_value(const char **p, char *attr, int attr_size,
char *value, int value_size)
{
skip_spaces(p);
*p += strspn(*p, SPACE_CHARS);
if (**p) {
get_word_sep(attr, attr_size, "=", p);
if (**p == '=')
@ -308,7 +295,7 @@ static void rtsp_parse_range_npt(const char *p, int64_t *start, int64_t *end)
{
char buf[256];
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
if (!av_stristart(p, "npt=", &p))
return;
@ -547,7 +534,7 @@ static int sdp_parse(AVFormatContext *s, const char *content)
memset(s1, 0, sizeof(SDPParseState));
p = content;
for (;;) {
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
letter = *p;
if (letter == '\0')
break;
@ -727,7 +714,7 @@ static void rtsp_parse_range(int *min_ptr, int *max_ptr, const char **pp)
int v;
p = *pp;
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
v = strtol(p, (char **)&p, 10);
if (*p == '-') {
p++;
@ -754,7 +741,7 @@ static void rtsp_parse_transport(RTSPMessageHeader *reply, const char *p)
reply->nb_transports = 0;
for (;;) {
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
if (*p == '\0')
break;
@ -864,22 +851,22 @@ void ff_rtsp_parse_line(RTSPMessageHeader *reply, const char *buf,
} else if (av_stristart(p, "Range:", &p)) {
rtsp_parse_range_npt(p, &reply->range_start, &reply->range_end);
} else if (av_stristart(p, "RealChallenge1:", &p)) {
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
av_strlcpy(reply->real_challenge, p, sizeof(reply->real_challenge));
} else if (av_stristart(p, "Server:", &p)) {
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
av_strlcpy(reply->server, p, sizeof(reply->server));
} else if (av_stristart(p, "Notice:", &p) ||
av_stristart(p, "X-Notice:", &p)) {
reply->notice = strtol(p, NULL, 10);
} else if (av_stristart(p, "Location:", &p)) {
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
av_strlcpy(reply->location, p , sizeof(reply->location));
} else if (av_stristart(p, "WWW-Authenticate:", &p) && auth_state) {
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
ff_http_auth_handle_header(auth_state, "WWW-Authenticate", p);
} else if (av_stristart(p, "Authentication-Info:", &p) && auth_state) {
skip_spaces(&p);
p += strspn(p, SPACE_CHARS);
ff_http_auth_handle_header(auth_state, "Authentication-Info", p);
}
}