2012-01-31 01:40:22 +00:00
|
|
|
|
/*
|
2014-10-31 18:52:23 +00:00
|
|
|
|
Copyright (C) 2004, 2005, 2006, 2008, 2010, 2012, 2014
|
2012-11-04 01:33:54 +00:00
|
|
|
|
Rocky Bernstein <rocky@gnu.org>
|
2012-01-31 01:40:22 +00:00
|
|
|
|
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/>.
|
|
|
|
|
*/
|
|
|
|
|
|
2012-11-04 01:33:54 +00:00
|
|
|
|
#ifndef CDIO_UTIL_H_
|
|
|
|
|
#define CDIO_UTIL_H_
|
2012-01-31 01:40:22 +00:00
|
|
|
|
|
|
|
|
|
/*!
|
|
|
|
|
\file util.h
|
|
|
|
|
\brief Miscellaneous utility functions.
|
|
|
|
|
|
|
|
|
|
Warning: this will probably get removed/replaced by using glib.h
|
|
|
|
|
*/
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
#include <cdio/types.h>
|
|
|
|
|
|
|
|
|
|
#if !defined CDIO_INLINE
|
|
|
|
|
#if defined(__cplusplus) || defined(inline)
|
|
|
|
|
#define CDIO_INLINE inline
|
|
|
|
|
#elif defined(__GNUC__)
|
|
|
|
|
#define CDIO_INLINE __inline__
|
|
|
|
|
#elif defined(_MSC_VER)
|
|
|
|
|
#define CDIO_INLINE __inline
|
|
|
|
|
#else
|
|
|
|
|
#define CDIO_INLINE
|
|
|
|
|
#endif
|
|
|
|
|
#endif /* CDIO_INLINE */
|
|
|
|
|
|
|
|
|
|
#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 CDIO_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 CDIO_INLINE unsigned
|
|
|
|
|
_cdio_ceil2block (unsigned offset, uint16_t i_blocksize)
|
|
|
|
|
{
|
|
|
|
|
return _cdio_len2blocks (offset, i_blocksize) * i_blocksize;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static CDIO_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 CDIO_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[]);
|
|
|
|
|
|
2012-03-03 23:12:48 +00:00
|
|
|
|
/* Duplicate path and make it platform compliant. Typically needed for
|
|
|
|
|
MinGW/MSYS where a "/c/..." path must be translated to "c:/..." for
|
2014-10-31 18:52:23 +00:00
|
|
|
|
use with fopen(), etc. Returned string must be freed by the caller
|
|
|
|
|
using cdio_free(). */
|
2012-03-03 23:12:48 +00:00
|
|
|
|
char *
|
|
|
|
|
_cdio_strdup_fixpath (const char path[]);
|
|
|
|
|
|
2012-01-31 01:40:22 +00:00
|
|
|
|
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);
|
|
|
|
|
|
|
|
|
|
/*! cdio_realpath() same as POSIX.1-2001 realpath if that's
|
|
|
|
|
around. If not we do poor-man's simulation of that behavior. */
|
|
|
|
|
char *cdio_realpath (const char *psz_src, char *psz_dst);
|
|
|
|
|
|
|
|
|
|
#ifdef WANT_FOLLOW_SYMLINK_COMPATIBILITY
|
|
|
|
|
# define cdio_follow_symlink cdio_realpath
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
2012-11-04 01:33:54 +00:00
|
|
|
|
#endif /* CDIO_UTIL_H_ */
|
2012-01-31 01:40:22 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Local variables:
|
|
|
|
|
* c-file-style: "gnu"
|
|
|
|
|
* tab-width: 8
|
|
|
|
|
* indent-tabs-mode: nil
|
|
|
|
|
* End:
|
|
|
|
|
*/
|