From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../src/third_party/libevent/include/event2/tag.h | 146 +++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 ipc/chromium/src/third_party/libevent/include/event2/tag.h (limited to 'ipc/chromium/src/third_party/libevent/include/event2/tag.h') diff --git a/ipc/chromium/src/third_party/libevent/include/event2/tag.h b/ipc/chromium/src/third_party/libevent/include/event2/tag.h new file mode 100644 index 0000000000..2f73bfc00e --- /dev/null +++ b/ipc/chromium/src/third_party/libevent/include/event2/tag.h @@ -0,0 +1,146 @@ +/* + * Copyright (c) 2000-2007 Niels Provos + * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef EVENT2_TAG_H_INCLUDED_ +#define EVENT2_TAG_H_INCLUDED_ + +/** @file event2/tag.h + + Helper functions for reading and writing tagged data onto buffers. + + */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#ifdef EVENT__HAVE_SYS_TYPES_H +#include +#endif +#ifdef EVENT__HAVE_SYS_TIME_H +#include +#endif + +/* For int types. */ +#include + +struct evbuffer; + +/* + * Marshaling tagged data - We assume that all tags are inserted in their + * numeric order - so that unknown tags will always be higher than the + * known ones - and we can just ignore the end of an event buffer. + */ + +EVENT2_EXPORT_SYMBOL +void evtag_init(void); + +/** + Unmarshals the header and returns the length of the payload + + @param evbuf the buffer from which to unmarshal data + @param ptag a pointer in which the tag id is being stored + @returns -1 on failure or the number of bytes in the remaining payload. +*/ +EVENT2_EXPORT_SYMBOL +int evtag_unmarshal_header(struct evbuffer *evbuf, ev_uint32_t *ptag); + +EVENT2_EXPORT_SYMBOL +void evtag_marshal(struct evbuffer *evbuf, ev_uint32_t tag, const void *data, + ev_uint32_t len); +EVENT2_EXPORT_SYMBOL +void evtag_marshal_buffer(struct evbuffer *evbuf, ev_uint32_t tag, + struct evbuffer *data); + +/** + Encode an integer and store it in an evbuffer. + + We encode integers by nybbles; the first nibble contains the number + of significant nibbles - 1; this allows us to encode up to 64-bit + integers. This function is byte-order independent. + + @param evbuf evbuffer to store the encoded number + @param number a 32-bit integer + */ +EVENT2_EXPORT_SYMBOL +void evtag_encode_int(struct evbuffer *evbuf, ev_uint32_t number); +EVENT2_EXPORT_SYMBOL +void evtag_encode_int64(struct evbuffer *evbuf, ev_uint64_t number); + +EVENT2_EXPORT_SYMBOL +void evtag_marshal_int(struct evbuffer *evbuf, ev_uint32_t tag, + ev_uint32_t integer); +EVENT2_EXPORT_SYMBOL +void evtag_marshal_int64(struct evbuffer *evbuf, ev_uint32_t tag, + ev_uint64_t integer); + +EVENT2_EXPORT_SYMBOL +void evtag_marshal_string(struct evbuffer *buf, ev_uint32_t tag, + const char *string); + +EVENT2_EXPORT_SYMBOL +void evtag_marshal_timeval(struct evbuffer *evbuf, ev_uint32_t tag, + struct timeval *tv); + +EVENT2_EXPORT_SYMBOL +int evtag_unmarshal(struct evbuffer *src, ev_uint32_t *ptag, + struct evbuffer *dst); +EVENT2_EXPORT_SYMBOL +int evtag_peek(struct evbuffer *evbuf, ev_uint32_t *ptag); +EVENT2_EXPORT_SYMBOL +int evtag_peek_length(struct evbuffer *evbuf, ev_uint32_t *plength); +EVENT2_EXPORT_SYMBOL +int evtag_payload_length(struct evbuffer *evbuf, ev_uint32_t *plength); +EVENT2_EXPORT_SYMBOL +int evtag_consume(struct evbuffer *evbuf); + +EVENT2_EXPORT_SYMBOL +int evtag_unmarshal_int(struct evbuffer *evbuf, ev_uint32_t need_tag, + ev_uint32_t *pinteger); +EVENT2_EXPORT_SYMBOL +int evtag_unmarshal_int64(struct evbuffer *evbuf, ev_uint32_t need_tag, + ev_uint64_t *pinteger); + +EVENT2_EXPORT_SYMBOL +int evtag_unmarshal_fixed(struct evbuffer *src, ev_uint32_t need_tag, + void *data, size_t len); + +EVENT2_EXPORT_SYMBOL +int evtag_unmarshal_string(struct evbuffer *evbuf, ev_uint32_t need_tag, + char **pstring); + +EVENT2_EXPORT_SYMBOL +int evtag_unmarshal_timeval(struct evbuffer *evbuf, ev_uint32_t need_tag, + struct timeval *ptv); + +#ifdef __cplusplus +} +#endif + +#endif /* EVENT2_TAG_H_INCLUDED_ */ -- cgit v1.2.3