98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/**
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* @file util.h
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* @brief Various little utility functions that do not fit in elsewhere.
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* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef HAVE_UTIL_H
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#define HAVE_UTIL_H
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#include "ddt.h"
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/**
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* Table of human readable strings, one for each port state.
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*/
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extern char *ps_str[];
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/**
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* Table of human readable strings, one for each port event.
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*/
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extern char *ev_str[];
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/**
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* Convert a clock identity into a human readable string.
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*
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* Note that this function uses a static global variable to store the
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* result and therefore is not reentrant.
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*
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* @param id Clock idendtity to show.
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* @return Pointer to a static global buffer holding the result.
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*/
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char *cid2str(struct ClockIdentity *id);
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/**
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* Convert a port identity into a human readable string.
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*
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* Note that this function uses a static global variable to store the
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* result and therefore is not reentrant.
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*
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* @param id Port idendtity to show.
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* @return Pointer to a static global buffer holding the result.
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*/
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char *pid2str(struct PortIdentity *id);
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int generate_clock_identity(struct ClockIdentity *ci, char *name);
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/**
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* Copies a PTPText to a static_ptp_text. This copies the text into
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* the static_ptp_text.o
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* @param dst The static_ptp_text to copy to
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* @param src The PTPText to copy from
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* @return Zero on success, -1 if text in src is too long or not valid
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* UTF8
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*/
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int static_ptp_text_copy(struct static_ptp_text *dst, const struct PTPText *src);
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/**
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* Copies a static_ptp_text to a PTPText. This makes the PTPText point
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* to the memory inside the static_ptp_text.
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* @param dst The PTPText to copy to
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* @param src The static_ptp_text to copy from
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*/
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void ptp_text_copy(struct PTPText *dst, const struct static_ptp_text *src);
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/**
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* Sets a PTPText from a null-terminated char*. After returning, the
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* PTPText field points to the same memory as str, so str should not
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* be modified and should remain valid as long as the PTPText can be
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* used.
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* @param dst The PTPText to copy to
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* @param src The text to copy from
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* @return Zero on success, -1 if src is too long
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*/
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int ptp_text_set(struct PTPText *dst, const char *src);
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/**
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* Sets a static_ptp_text from a null-terminated char*.
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* @param dst The static_ptp_text to copy to
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* @param src The text to copy from
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* @return Zero on success, -1 if text in src is too long or not valid
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* UTF8
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*/
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int static_ptp_text_set(struct static_ptp_text *dst, const char *src);
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#endif
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