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/*
* Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 __EINFO_H__
#define __EINFO_H__
#if defined(__GNUC__)
# define EINFO_PRINTF(a, b) __attribute__((__format__(__printf__, a, b)))
# define EINFO_XPRINTF(a, b) __attribute__((__noreturn__,__format__(__printf__, a, b)))
#else
# define EINFO_PRINTF(a, b)
# define EINFO_XPRINTF(a, b)
#endif
#include <sys/types.h>
#include <stdbool.h>
/* Although OpenRC requires C99, linking to us should not. */
#ifdef restrict
# define EINFO_RESTRICT restrict
#else
# ifdef __restrict
# define EINFO_RESTRICT __restrict
# else
# define EINFO_RESTRICT
# endif
#endif
__BEGIN_DECLS
/*! @brief Color types to use */
typedef enum
{
ECOLOR_NORMAL = 1,
ECOLOR_GOOD = 2,
ECOLOR_WARN = 3,
ECOLOR_BAD = 4,
ECOLOR_HILITE = 5,
ECOLOR_BRACKET = 6
} ECOLOR;
/*! @brief Returns the ASCII code for the color */
const char *ecolor(ECOLOR);
/*! @brief Writes to syslog. */
void elog(int, const char * EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
/*!
* @brief Display informational messages.
*
* The einfo family of functions display messages in a consistent manner
* across applications. Basically they prefix the message with
* " * ". If the terminal can handle color then we color the * based on
* the command used. Otherwise we are identical to the printf function.
*
* - einfo - green
* - ewarn - yellow
* - eerror - red
*
* The n suffix denotes that no new line should be printed.
* The v suffix means only print if EINFO_VERBOSE is yes.
*/
/*@{*/
int einfon(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
int ewarnn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
int eerrorn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
int einfo(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
int ewarn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
void ewarnx(const char * __EINFO_RESTRICT, ...) EINFO_XPRINTF(1, 2);
int eerror(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
void eerrorx(const char * __EINFO_RESTRICT, ...) EINFO_XPRINTF(1, 2);
int einfovn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
int ewarnvn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
int ebeginvn(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
int eendvn(int, const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
int ewendvn(int, const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
int einfov(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
int ewarnv(const char * __EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
/*@}*/
/*! @ingroup ebegin
* @brief Display informational messages that may take some time.
*
* Similar to einfo, but we add ... to the end of the message */
/*@{*/
int ebeginv(const char * EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
int ebegin(const char * EINFO_RESTRICT, ...) EINFO_PRINTF(1, 2);
/*@}*/
/*! @ingroup eend
* @brief End an ebegin.
*
* If you ebegin, you should eend also.
* eend places [ ok ] or [ !! ] at the end of the terminal line depending on
* retval (0 or ok, anything else for !!)
*
* ebracket allows you to specifiy the position, color and message */
/*@{*/
int eend(int, const char * EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
int ewend(int, const char * EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
void ebracket(int, ECOLOR, const char * EINFO_RESTRICT);
int eendv(int, const char * EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
int ewendv(int, const char * EINFO_RESTRICT, ...) EINFO_PRINTF(2, 3);
/*@}*/
/*! @ingroup eindent
* @brief Indents the einfo lines.
*
* For each indent you should outdent when done */
/*@{*/
void eindent(void);
void eoutdent(void);
void eindentv(void);
void eoutdentv(void);
/*! @brief Prefix each einfo line with something */
void eprefix(const char * EINFO_RESTRICT);
__END_DECLS
#endif
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