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/*
$Id: util.h,v 1.12 2008/03/25 15:59:10 karl Exp $
Copyright (C) 2004, 2005, 2006, 2008 Rocky Bernstein <rocky@gnu.org>
Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __CDIO_UTIL_H__
#define __CDIO_UTIL_H__
/*!
\file util.h
\brief Miscellaneous utility functions.
Warning: this will probably get removed/replaced by using glib.h
*/
#include <stdlib.h>
#undef MAX
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#undef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#undef IN
#define IN(x, low, high) ((x) >= (low) && (x) <= (high))
#undef CLAMP
#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
static inline uint32_t
_cdio_len2blocks (uint32_t i_len, uint16_t i_blocksize)
{
uint32_t i_blocks;
i_blocks = i_len / (uint32_t) i_blocksize;
if (i_len % i_blocksize)
i_blocks++;
return i_blocks;
}
/* round up to next block boundary */
static inline unsigned
_cdio_ceil2block (unsigned offset, uint16_t i_blocksize)
{
return _cdio_len2blocks (offset, i_blocksize) * i_blocksize;
}
static inline unsigned int
_cdio_ofs_add (unsigned offset, unsigned length, uint16_t i_blocksize)
{
if (i_blocksize - (offset % i_blocksize) < length)
offset = _cdio_ceil2block (offset, i_blocksize);
offset += length;
return offset;
}
static inline const char *
_cdio_bool_str (bool b)
{
return b ? "yes" : "no";
}
#ifdef __cplusplus
extern "C" {
#endif
void *
_cdio_memdup (const void *mem, size_t count);
char *
_cdio_strdup_upper (const char str[]);
void
_cdio_strfreev(char **strv);
size_t
_cdio_strlenv(char **str_array);
char **
_cdio_strsplit(const char str[], char delim);
uint8_t cdio_to_bcd8(uint8_t n);
uint8_t cdio_from_bcd8(uint8_t p);
void cdio_follow_symlink (const char * src, char * dst);
#ifdef __cplusplus
}
#endif
#endif /* __CDIO_UTIL_H__ */
/*
* Local variables:
* c-file-style: "gnu"
* tab-width: 8
* indent-tabs-mode: nil
* End:
*/
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