mirror of https://github.com/pbatard/rufus.git
155 lines
3.6 KiB
C
155 lines
3.6 KiB
C
/*
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Copyright (C) 2004, 2005, 2006, 2008, 2010, 2012, 2014
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Rocky Bernstein <rocky@gnu.org>
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Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
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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 3 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, see <http://www.gnu.org/licenses/>.
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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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#include <cdio/types.h>
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#if !defined CDIO_INLINE
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#if defined(__cplusplus) || defined(inline)
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#define CDIO_INLINE inline
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#elif defined(__GNUC__)
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#define CDIO_INLINE __inline__
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#elif defined(_MSC_VER)
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#define CDIO_INLINE __inline
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#else
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#define CDIO_INLINE
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#endif
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#endif /* CDIO_INLINE */
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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 CDIO_INLINE uint32_t
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_cdio_len2blocks (uint32_t i_len, uint16_t i_blocksize)
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{
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uint32_t i_blocks;
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i_blocks = i_len / (uint32_t) i_blocksize;
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if (i_len % i_blocksize)
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i_blocks++;
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return i_blocks;
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}
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/*! free() and NULL out p_obj it is not already null. */
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#define CDIO_FREE_IF_NOT_NULL(p_obj) \
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if (NULL != p_obj) { free(p_obj); p_obj=NULL; };
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/* round up to next block boundary */
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static CDIO_INLINE unsigned
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_cdio_ceil2block (unsigned offset, uint16_t i_blocksize)
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{
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return _cdio_len2blocks (offset, i_blocksize) * i_blocksize;
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}
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static CDIO_INLINE unsigned int
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_cdio_ofs_add (unsigned offset, unsigned length, uint16_t i_blocksize)
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{
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if (i_blocksize - (offset % i_blocksize) < length)
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offset = _cdio_ceil2block (offset, i_blocksize);
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offset += length;
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return offset;
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}
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static CDIO_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_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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int
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_cdio_stricmp(const char str1[], const char str2[]);
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int
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_cdio_strnicmp(const char str1[], const char str2[], size_t count);
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/*! Duplicate path and make it platform compliant. Typically needed for
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MinGW/MSYS where a "/c/..." path must be translated to "c:/..." for
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use with fopen(), etc. Returned string must be freed by the caller
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using cdio_free(). */
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char *
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_cdio_strdup_fixpath (const char path[]);
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void
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_cdio_strfreev(char **strv);
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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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/*! cdio_realpath() same as POSIX.1-2001 realpath if that's
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around. If not we do poor-man's simulation of that behavior. */
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char *cdio_realpath (const char *psz_src, char *psz_dst);
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#ifdef WANT_FOLLOW_SYMLINK_COMPATIBILITY
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# define cdio_follow_symlink cdio_realpath
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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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