introduce LWS_WARN_UNUSED_RESULT
Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green
parent
af607da082
commit
e99a83cb96
7 changed files with 82 additions and 76 deletions
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@ -389,10 +389,9 @@ spill:
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* we do not care about how it went, we are closing
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* immediately afterwards
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*/
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lws_write(wsi, (unsigned char *)
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&wsi->u.ws.rx_ubuf[
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LWS_PRE],
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wsi->u.ws.rx_ubuf_head, LWS_WRITE_CLOSE);
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lws_write(wsi,
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(unsigned char *)&wsi->u.ws.rx_ubuf[LWS_PRE],
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wsi->u.ws.rx_ubuf_head, LWS_WRITE_CLOSE);
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wsi->state = LWSS_RETURNED_CLOSE_ALREADY;
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/* close the connection */
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return -1;
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@ -445,7 +445,8 @@ lws_get_addresses(struct lws_context *context, void *ads, char *name,
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if (addr4.sin_family == AF_UNSPEC)
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return -1;
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lws_plat_inet_ntop(AF_INET, &addr4.sin_addr, rip, rip_len);
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if (lws_plat_inet_ntop(AF_INET, &addr4.sin_addr, rip, rip_len) == NULL)
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return -1;
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return 0;
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#else
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@ -150,8 +150,10 @@ extern "C" {
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#if defined(__GNUC__)
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#define LWS_VISIBLE __attribute__((visibility("default")))
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#define LWS_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result))
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#else
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#define LWS_VISIBLE
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#define LWS_WARN_UNUSED_RESULT
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#endif
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#if defined(__ANDROID__)
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@ -1418,7 +1420,8 @@ LWS_VISIBLE LWS_EXTERN void
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lws_cancel_service(struct lws_context *context);
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LWS_VISIBLE LWS_EXTERN int
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lws_interface_to_sa(int ipv6, const char *ifname, struct sockaddr_in *addr, size_t addrlen);
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lws_interface_to_sa(int ipv6, const char *ifname, struct sockaddr_in *addr,
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size_t addrlen);
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LWS_VISIBLE LWS_EXTERN const unsigned char *
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lws_token_to_string(enum lws_token_indexes token);
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@ -1650,23 +1653,23 @@ LWS_VISIBLE LWS_EXTERN size_t
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lws_get_peer_write_allowance(struct lws *wsi);
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/* deprecated, use lws_client_connect_via_info() */
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LWS_VISIBLE LWS_EXTERN struct lws *
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LWS_VISIBLE LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
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lws_client_connect(struct lws_context *clients, const char *address,
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int port, int ssl_connection, const char *path,
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const char *host, const char *origin, const char *protocol,
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int ietf_version_or_minus_one);
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/* deprecated, use lws_client_connect_via_info() */
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LWS_VISIBLE LWS_EXTERN struct lws *
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LWS_VISIBLE LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
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lws_client_connect_extended(struct lws_context *clients, const char *address,
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int port, int ssl_connection, const char *path,
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const char *host, const char *origin,
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const char *protocol, int ietf_version_or_minus_one,
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void *userdata);
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LWS_VISIBLE LWS_EXTERN struct lws *
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LWS_VISIBLE LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
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lws_client_connect_via_info(struct lws_client_connect_info * ccinfo);
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LWS_VISIBLE LWS_EXTERN const char *
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LWS_VISIBLE LWS_EXTERN const char * LWS_WARN_UNUSED_RESULT
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lws_canonical_hostname(struct lws_context *context);
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@ -1677,16 +1680,16 @@ lws_get_peer_addresses(struct lws *wsi, lws_sockfd_type fd, char *name,
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LWS_VISIBLE LWS_EXTERN int
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lws_get_random(struct lws_context *context, void *buf, int len);
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LWS_VISIBLE LWS_EXTERN int
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LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_daemonize(const char *_lock_path);
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LWS_VISIBLE LWS_EXTERN int
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LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_send_pipe_choked(struct lws *wsi);
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LWS_VISIBLE LWS_EXTERN int
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LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_partial_buffered(struct lws *wsi);
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LWS_VISIBLE LWS_EXTERN int
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LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_frame_is_binary(struct lws *wsi);
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LWS_VISIBLE LWS_EXTERN int
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@ -1704,10 +1707,10 @@ lws_b64_encode_string(const char *in, int in_len, char *out, int out_size);
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LWS_VISIBLE LWS_EXTERN int
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lws_b64_decode_string(const char *in, char *out, int out_size);
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LWS_VISIBLE LWS_EXTERN const char *
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LWS_VISIBLE LWS_EXTERN const char * LWS_WARN_UNUSED_RESULT
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lws_get_library_version(void);
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LWS_VISIBLE LWS_EXTERN int
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LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_parse_uri(char *p, const char **prot, const char **ads, int *port,
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const char **path);
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@ -1730,10 +1733,10 @@ lws_parse_uri(char *p, const char **prot, const char **ads, int *port,
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* will fail with a nonzero return code.
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*/
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LWS_VISIBLE LWS_EXTERN int
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LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_hdr_total_length(struct lws *wsi, enum lws_token_indexes h);
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LWS_VISIBLE LWS_EXTERN int
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LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_hdr_fragment_length(struct lws *wsi, enum lws_token_indexes h, int frag_idx);
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/*
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@ -1745,7 +1748,7 @@ lws_hdr_copy(struct lws *wsi, char *dest, int len, enum lws_token_indexes h);
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/*
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* copies only fragment frag_idx of a header. Normally this is only useful
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* to parse URI arguments like ?x=1&y=2, oken index WSI_TOKEN_HTTP_URI_ARGS
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* to parse URI arguments like ?x=1&y=2, token index WSI_TOKEN_HTTP_URI_ARGS
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* fragment 0 will contain "x=1" and fragment 1 "y=2"
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*/
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LWS_VISIBLE LWS_EXTERN int
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@ -1754,13 +1757,13 @@ lws_hdr_copy_fragment(struct lws *wsi, char *dest, int len,
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/* get the active file operations struct */
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LWS_VISIBLE LWS_EXTERN struct lws_plat_file_ops *
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LWS_VISIBLE LWS_EXTERN struct lws_plat_file_ops * LWS_WARN_UNUSED_RESULT
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lws_get_fops(struct lws_context *context);
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LWS_VISIBLE LWS_EXTERN struct lws_context *
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LWS_VISIBLE LWS_EXTERN struct lws_context * LWS_WARN_UNUSED_RESULT
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lws_get_context(const struct lws *wsi);
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LWS_VISIBLE LWS_EXTERN int
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LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_get_count_threads(struct lws_context *context);
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/*
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@ -1778,7 +1781,7 @@ lws_get_count_threads(struct lws_context *context);
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* without having to deal with differences between platforms.
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*/
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static LWS_INLINE lws_filefd_type
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static LWS_INLINE lws_filefd_type LWS_WARN_UNUSED_RESULT
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lws_plat_file_open(struct lws *wsi, const char *filename,
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unsigned long *filelen, int flags)
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{
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@ -1798,7 +1801,7 @@ lws_plat_file_seek_cur(struct lws *wsi, lws_filefd_type fd, long offset)
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return lws_get_fops(lws_get_context(wsi))->seek_cur(wsi, fd, offset);
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}
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static LWS_INLINE int
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static LWS_INLINE int LWS_WARN_UNUSED_RESULT
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lws_plat_file_read(struct lws *wsi, lws_filefd_type fd, unsigned long *amount,
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unsigned char *buf, unsigned long len)
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{
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@ -1806,7 +1809,7 @@ lws_plat_file_read(struct lws *wsi, lws_filefd_type fd, unsigned long *amount,
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len);
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}
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static LWS_INLINE int
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static LWS_INLINE int LWS_WARN_UNUSED_RESULT
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lws_plat_file_write(struct lws *wsi, lws_filefd_type fd, unsigned long *amount,
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unsigned char *buf, unsigned long len)
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{
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@ -1824,7 +1827,7 @@ lws_read(struct lws *wsi, unsigned char *buf, size_t len);
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#ifndef LWS_NO_EXTENSIONS
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/* deprecated */
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#define lws_get_internal_extensions() NULL
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LWS_VISIBLE LWS_EXTERN int
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LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_ext_parse_options(const struct lws_extension *ext, struct lws *wsi,
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void *ext_user, const struct lws_ext_options *opts, const char *o, int len);
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#endif
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@ -602,10 +602,11 @@ all_sent:
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if (wsi->protocol->callback)
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/* ignore callback returned value */
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user_callback_handle_rxflow(
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wsi->protocol->callback, wsi,
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LWS_CALLBACK_HTTP_FILE_COMPLETION,
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wsi->user_space, NULL, 0);
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if (user_callback_handle_rxflow(
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wsi->protocol->callback, wsi,
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LWS_CALLBACK_HTTP_FILE_COMPLETION,
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wsi->user_space, NULL, 0) < 0)
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return -1;
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return 1; /* >0 indicates completed */
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}
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}
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@ -27,7 +27,8 @@ unsigned char lextable[] = {
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#define FAIL_CHAR 0x08
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int lextable_decode(int pos, char c)
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int
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LWS_WARN_UNUSED_RESULT lextable_decode(int pos, char c)
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{
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if (c >= 'A' && c <= 'Z')
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c += 'a' - 'A';
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@ -59,7 +60,8 @@ int lextable_decode(int pos, char c)
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}
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}
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int lws_allocate_header_table(struct lws *wsi)
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int
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LWS_WARN_UNUSED_RESULT lws_allocate_header_table(struct lws *wsi)
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{
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struct lws_context *context = wsi->context;
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int n;
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@ -315,7 +317,8 @@ static signed char char_to_hex(const char c)
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return -1;
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}
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static int issue_char(struct lws *wsi, unsigned char c)
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static int LWS_WARN_UNUSED_RESULT
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issue_char(struct lws *wsi, unsigned char c)
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{
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unsigned short frag_len;
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@ -350,7 +353,8 @@ static int issue_char(struct lws *wsi, unsigned char c)
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return 1;
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}
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int lws_parse(struct lws *wsi, unsigned char c)
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int LWS_WARN_UNUSED_RESULT
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lws_parse(struct lws *wsi, unsigned char c)
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{
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static const unsigned char methods[] = {
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WSI_TOKEN_GET_URI,
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@ -422,7 +426,8 @@ int lws_parse(struct lws *wsi, unsigned char c)
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case URIES_SEEN_PERCENT_H1:
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if (char_to_hex(c) < 0) {
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/* regurgitate */
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issue_char(wsi, '%');
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if (issue_char(wsi, '%') < 0)
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return -1;
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wsi->u.hdr.ues = URIES_IDLE;
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/* regurgitate + assess */
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if (lws_parse(wsi, wsi->u.hdr.esc_stash) < 0)
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@ -1026,13 +1026,13 @@ lws_latency(struct lws_context *context, struct lws *wsi, const char *action,
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LWS_EXTERN void
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lws_set_protocol_write_pending(struct lws *wsi,
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enum lws_pending_protocol_send pend);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_client_rx_sm(struct lws *wsi, unsigned char c);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_parse(struct lws *wsi, unsigned char c);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_http_action(struct lws *wsi);
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LWS_EXTERN int
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@ -1053,27 +1053,27 @@ delete_from_fd(struct lws_context *context, lws_sockfd_type fd);
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#define delete_from_fd(A,B) A->lws_lookup[B]=0
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#endif
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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insert_wsi_socket_into_fds(struct lws_context *context, struct lws *wsi);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_issue_raw(struct lws *wsi, unsigned char *buf, size_t len);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_service_timeout_check(struct lws *wsi, unsigned int sec);
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LWS_EXTERN struct lws *
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LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
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lws_client_connect_2(struct lws *wsi);
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LWS_VISIBLE struct lws *
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lws_client_reset(struct lws *wsi, int ssl, const char *address, int port, const char *path, const char *host);
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LWS_VISIBLE struct lws * LWS_WARN_UNUSED_RESULT
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lws_client_reset(struct lws *wsi, int ssl, const char *address, int port,
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const char *path, const char *host);
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LWS_EXTERN struct lws *
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LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
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lws_create_new_server_wsi(struct lws_context *context);
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LWS_EXTERN char *
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LWS_EXTERN char * LWS_WARN_UNUSED_RESULT
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lws_generate_client_handshake(struct lws *wsi, char *pkt);
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LWS_EXTERN int
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@ -1088,17 +1088,14 @@ LWS_VISIBLE void
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lws_context_init_extensions(struct lws_context_creation_info *info,
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struct lws_context *context);
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LWS_EXTERN int
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lws_any_extension_handled(struct lws *wsi,
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enum lws_extension_callback_reasons r,
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lws_any_extension_handled(struct lws *wsi, enum lws_extension_callback_reasons r,
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void *v, size_t len);
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LWS_EXTERN int
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lws_ext_cb_active(struct lws *wsi, int reason,
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void *buf, int len);
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lws_ext_cb_active(struct lws *wsi, int reason, void *buf, int len);
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LWS_EXTERN int
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lws_ext_cb_all_exts(struct lws_context *context,
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struct lws *wsi, int reason,
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void *arg, int len);
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lws_ext_cb_all_exts(struct lws_context *context, struct lws *wsi, int reason,
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void *arg, int len);
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#else
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#define lws_any_extension_handled(_a, _b, _c, _d) (0)
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@ -1108,19 +1105,19 @@ lws_ext_cb_all_exts(struct lws_context *context,
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#define lws_context_init_extensions(_a, _b)
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#endif
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_client_interpret_server_handshake(struct lws *wsi);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_rx_sm(struct lws *wsi, unsigned char c);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_issue_raw_ext_access(struct lws *wsi, unsigned char *buf, size_t len);
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LWS_EXTERN void
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lws_union_transition(struct lws *wsi, enum connection_mode mode);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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user_callback_handle_rxflow(lws_callback_function, struct lws *wsi,
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enum lws_callback_reasons reason, void *user,
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void *in, size_t len);
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@ -1165,16 +1162,16 @@ void lws_http2_configure_if_upgraded(struct lws *wsi);
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LWS_EXTERN int
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lws_plat_set_socket_options(struct lws_context *context, lws_sockfd_type fd);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_allocate_header_table(struct lws *wsi);
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LWS_EXTERN int
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lws_free_header_table(struct lws *wsi);
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LWS_EXTERN char *
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LWS_EXTERN char * LWS_WARN_UNUSED_RESULT
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lws_hdr_simple_ptr(struct lws *wsi, enum lws_token_indexes h);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_hdr_simple_create(struct lws *wsi, enum lws_token_indexes h, const char *s);
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LWS_EXTERN int
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@ -1188,7 +1185,7 @@ int lws_context_init_server(struct lws_context_creation_info *info,
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struct lws_context *context);
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LWS_EXTERN int
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handshake_0405(struct lws_context *context, struct lws *wsi);
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LWS_EXTERN int
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_interpret_incoming_packet(struct lws *wsi, unsigned char **buf, size_t len);
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LWS_EXTERN void
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lws_server_get_canonical_hostname(struct lws_context *context,
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@ -1206,7 +1203,7 @@ LWS_EXTERN int get_daemonize_pid();
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#endif
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||||
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||||
#if !defined(MBED_OPERATORS)
|
||||
LWS_EXTERN int
|
||||
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||||
interface_to_sa(struct lws_context *context, const char *ifname,
|
||||
struct sockaddr_in *addr, size_t addrlen);
|
||||
#endif
|
||||
|
|
@ -1232,13 +1229,13 @@ enum lws_ssl_capable_status {
|
|||
#else
|
||||
#define LWS_SSL_ENABLED(context) (context->use_ssl)
|
||||
LWS_EXTERN int openssl_websocket_private_data_index;
|
||||
LWS_EXTERN int
|
||||
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||||
lws_ssl_capable_read(struct lws *wsi, unsigned char *buf, int len);
|
||||
LWS_EXTERN int
|
||||
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||||
lws_ssl_capable_write(struct lws *wsi, unsigned char *buf, int len);
|
||||
LWS_EXTERN int
|
||||
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||||
lws_ssl_pending(struct lws *wsi);
|
||||
LWS_EXTERN int
|
||||
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||||
lws_server_socket_service_ssl(struct lws **wsi, struct lws *new_wsi,
|
||||
lws_sockfd_type accept_fd,
|
||||
struct lws_pollfd *pollfd);
|
||||
|
|
@ -1268,13 +1265,13 @@ lws_context_init_http2_ssl(struct lws_context *context);
|
|||
#endif
|
||||
#endif
|
||||
|
||||
LWS_EXTERN int
|
||||
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||||
lws_ssl_capable_read_no_ssl(struct lws *wsi, unsigned char *buf, int len);
|
||||
|
||||
LWS_EXTERN int
|
||||
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||||
lws_ssl_capable_write_no_ssl(struct lws *wsi, unsigned char *buf, int len);
|
||||
|
||||
LWS_EXTERN int
|
||||
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||||
lws_ssl_pending_no_ssl(struct lws *wsi);
|
||||
|
||||
#ifndef LWS_NO_CLIENT
|
||||
|
|
@ -1288,7 +1285,7 @@ lws_context_init_client_ssl(struct lws_context_creation_info *info,
|
|||
#else
|
||||
#define lws_context_init_client_ssl(_a, _b) (0)
|
||||
#endif
|
||||
LWS_EXTERN int
|
||||
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||||
lws_handshake_client(struct lws *wsi, unsigned char **buf, size_t len);
|
||||
LWS_EXTERN void
|
||||
lws_decode_ssl_error(void);
|
||||
|
|
@ -1321,10 +1318,10 @@ lws_get_addresses(struct lws_context *context, void *ads, char *name,
|
|||
/*
|
||||
* custom allocator
|
||||
*/
|
||||
LWS_EXTERN void*
|
||||
LWS_EXTERN void *
|
||||
lws_realloc(void *ptr, size_t size);
|
||||
|
||||
LWS_EXTERN void*
|
||||
LWS_EXTERN void * LWS_WARN_UNUSED_RESULT
|
||||
lws_zalloc(size_t size);
|
||||
|
||||
#define lws_malloc(S) lws_realloc(NULL, S)
|
||||
|
|
@ -1363,10 +1360,10 @@ LWS_EXTERN void
|
|||
lws_plat_drop_app_privileges(struct lws_context_creation_info *info);
|
||||
LWS_EXTERN unsigned long long
|
||||
time_in_microseconds(void);
|
||||
LWS_EXTERN const char *
|
||||
LWS_EXTERN const char * LWS_WARN_UNUSED_RESULT
|
||||
lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt);
|
||||
|
||||
LWS_EXTERN int
|
||||
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||||
lws_check_utf8(unsigned char *state, unsigned char *buf, size_t len);
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
|
|
|||
|
|
@ -390,7 +390,7 @@ lws_service_fd_tsi(struct lws_context *context, struct lws_pollfd *pollfd, int t
|
|||
if (context->lserv_fd)
|
||||
idx = wsi_from_fd(context, context->lserv_fd)->position_in_fds_table;
|
||||
#endif
|
||||
/*
|
||||
/*
|
||||
* you can call us with pollfd = NULL to just allow the once-per-second
|
||||
* global timeout checks; if less than a second since the last check
|
||||
* it returns immediately then.
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue