guacamole-spice-protocol/src/terminal/common.h

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/*
* Copyright (C) 2013 Glyptodon LLC
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*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
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*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
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*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
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#ifndef _GUAC_TERMINAL_COMMON_H
#define _GUAC_TERMINAL_COMMON_H
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#include "config.h"
#include <stdbool.h>
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/**
* Returns the closest value to the value given that is also
* within the given range.
*/
int guac_terminal_fit_to_range(int value, int min, int max);
/**
* Encodes the given codepoint as UTF-8, storing the result within the
* provided buffer, and returning the number of bytes stored.
*/
int guac_terminal_encode_utf8(int codepoint, char* utf8);
/**
* Returns whether a codepoint has a corresponding glyph, or is rendered
* as a blank space.
*/
bool guac_terminal_has_glyph(int codepoint);
/**
* Similar to write, but automatically retries the write operation until
* an error occurs.
*/
int guac_terminal_write_all(int fd, const char* buffer, int size);
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#endif