len = 0;
while (len < size) {
ret = url_read(h, buf+len, size-len);
- if (ret < 1)
- return ret;
+ if (ret == AVERROR(EAGAIN)) {
+ ret = 0;
+ } else if (ret < 1)
+ return ret < 0 ? ret : len;
len += ret;
}
return len;
const char *filename, int flags);
int url_open(URLContext **h, const char *filename, int flags);
int url_read(URLContext *h, unsigned char *buf, int size);
+/**
+ * Read as many bytes as possible (up to size), calling the
+ * read function multiple times if necessary.
+ * Will also retry if the read function returns AVERROR(EAGAIN).
+ * This makes special short-read handling in applications
+ * unnecessary, if the return value is < size then it is
+ * certain there was either an error or the end of file was reached.
+ */
int url_read_complete(URLContext *h, unsigned char *buf, int size);
int url_write(URLContext *h, unsigned char *buf, int size);
int64_t url_seek(URLContext *h, int64_t pos, int whence);