74a383d80e
in standard C; only use them with GCC 3 and above, and replace them with simple #defines for other compilers.
137 lines
2.9 KiB
C
137 lines
2.9 KiB
C
/*
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$Id: util.h,v 1.5 2004/11/15 19:41:25 nboullis Exp $
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Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
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Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __CDIO_UTIL_H__
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#define __CDIO_UTIL_H__
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/*!
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\file util.h
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\brief Miscellaneous utility functions.
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Warning: this will probably get removed/replaced by using glib.h
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*/
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#include <stdlib.h>
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#undef MAX
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#define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#undef MIN
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#define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#undef IN
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#define IN(x, low, high) ((x) >= (low) && (x) <= (high))
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#undef CLAMP
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#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
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static inline unsigned
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_cdio_len2blocks (unsigned len, int blocksize)
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{
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unsigned blocks;
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blocks = len / blocksize;
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if (len % blocksize)
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blocks++;
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return blocks;
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}
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/* round up to next block boundary */
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static inline unsigned
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_cdio_ceil2block (unsigned offset, int blocksize)
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{
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return _cdio_len2blocks (offset, blocksize) * blocksize;
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}
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static inline unsigned
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_cdio_ofs_add (unsigned offset, unsigned length, int blocksize)
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{
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if (blocksize - (offset % blocksize) < length)
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offset = _cdio_ceil2block (offset, blocksize);
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offset += length;
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return offset;
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}
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static inline const char *
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_cdio_bool_str (bool b)
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{
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return b ? "yes" : "no";
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}
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#ifdef __cplusplus
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extern "C" {
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#endif
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void *
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_cdio_malloc (size_t size);
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void *
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_cdio_memdup (const void *mem, size_t count);
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char *
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_cdio_strdup_upper (const char str[]);
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void
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_cdio_strfreev(char **strv);
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char *
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_cdio_strjoin (char *strv[], unsigned count, const char delim[]);
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size_t
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_cdio_strlenv(char **str_array);
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char **
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_cdio_strsplit(const char str[], char delim);
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uint8_t cdio_to_bcd8(uint8_t n);
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uint8_t cdio_from_bcd8(uint8_t p);
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#if defined(__GNUC__) && __GNUC__ >= 3
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static inline __attribute__((deprecated))
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uint8_t to_bcd8(uint8_t n) {
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return cdio_to_bcd8(n);
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}
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static inline __attribute__((deprecated))
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uint8_t from_bcd8(uint8_t p) {
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return cdio_from_bcd8(p);
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}
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#else
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#define to_bcd8 cdio_to_bcd8
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#define from_bcd8 cdio_from_bcd8
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CDIO_UTIL_H__ */
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/*
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* Local variables:
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* c-file-style: "gnu"
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*/
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