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Introduce http_get_line and modify http_connect to use http_get_line.

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Patch by Peter Holik <$firstname @ $lastname . at>

Originally committed as revision 19124 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Peter Holik 2009-06-06 16:44:21 +00:00 committed by Jai Menon
parent 3bbc46102b
commit 682d49f4ea
1 changed files with 27 additions and 15 deletions
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42
libavformat/http.c
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@ -151,6 +151,30 @@ static int http_getc(HTTPContext *s)
return *s->buf_ptr++; return *s->buf_ptr++;
} }
static int http_get_line(HTTPContext *s, char *line, int line_size)
{
int ch;
char *q;
q = line;
for(;;) {
ch = http_getc(s);
if (ch < 0)
return AVERROR(EIO);
if (ch == '\n') {
/* process line */
if (q > line && q[-1] == '\r')
q--;
*q = '\0';
return 0;
} else {
if ((q - line) < line_size - 1)
*q++ = ch;
}
}
}
static int process_line(URLContext *h, char *line, int line_count, static int process_line(URLContext *h, char *line, int line_count,
int *new_location) int *new_location)
{ {
@ -209,8 +233,8 @@ static int http_connect(URLContext *h, const char *path, const char *hoststr,
const char *auth, int *new_location) const char *auth, int *new_location)
{ {
HTTPContext *s = h->priv_data; HTTPContext *s = h->priv_data;
int post, err, ch; int post, err;
char line[1024], *q; char line[1024];
char *auth_b64; char *auth_b64;
int auth_b64_len = (strlen(auth) + 2) / 3 * 4 + 1; int auth_b64_len = (strlen(auth) + 2) / 3 * 4 + 1;
int64_t off = s->off; int64_t off = s->off;
@ -251,16 +275,9 @@ static int http_connect(URLContext *h, const char *path, const char *hoststr,
} }
/* wait for header */ /* wait for header */
q = line;
for(;;) { for(;;) {
ch = http_getc(s); if (http_get_line(s, line, sizeof(line)) < 0)
if (ch < 0)
return AVERROR(EIO); return AVERROR(EIO);
if (ch == '\n') {
/* process line */
if (q > line && q[-1] == '\r')
q--;
*q = '\0';
#ifdef DEBUG #ifdef DEBUG
printf("header='%s'\n", line); printf("header='%s'\n", line);
#endif #endif
@ -270,11 +287,6 @@ static int http_connect(URLContext *h, const char *path, const char *hoststr,
if (err == 0) if (err == 0)
break; break;
s->line_count++; s->line_count++;
q = line;
} else {
if ((q - line) < sizeof(line) - 1)
*q++ = ch;
}
} }
return (off == s->off) ? 0 : -1; return (off == s->off) ? 0 : -1;