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174 lines
5.2 KiB
174 lines
5.2 KiB
/* $Id$ |
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* YASM utility functions. |
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* |
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* Includes standard headers and defines prototypes for replacement functions |
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* if needed. |
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* |
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* Copyright (C) 2001-2007 Peter Johnson |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef YASM_UTIL_H |
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#define YASM_UTIL_H |
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#ifdef HAVE_CONFIG_H |
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#include <config.h> |
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#endif |
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#if defined(HAVE_GNU_C_LIBRARY) || defined(__MINGW32__) || defined(__DJGPP__) |
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/* Work around glibc's non-defining of certain things when using gcc -ansi */ |
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# ifdef __STRICT_ANSI__ |
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# undef __STRICT_ANSI__ |
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# endif |
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/* Work around glibc's string inlines (in bits/string2.h) if needed */ |
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# ifdef NO_STRING_INLINES |
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# define __NO_STRING_INLINES |
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# endif |
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#endif |
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#if !defined(lint) && !defined(NDEBUG) |
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# define NDEBUG |
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#endif |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <stddef.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <assert.h> |
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#ifdef HAVE_STRINGS_H |
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#include <strings.h> |
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#endif |
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#include <libyasm/coretype.h> |
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#ifdef lint |
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# define _(String) String |
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#else |
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# ifdef HAVE_LOCALE_H |
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# include <locale.h> |
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# endif |
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# ifdef ENABLE_NLS |
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# include <libintl.h> |
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# define _(String) gettext(String) |
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# else |
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# define gettext(Msgid) (Msgid) |
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# define dgettext(Domainname, Msgid) (Msgid) |
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# define dcgettext(Domainname, Msgid, Category) (Msgid) |
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# define textdomain(Domainname) while (0) /* nothing */ |
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# define bindtextdomain(Domainname, Dirname) while (0) /* nothing */ |
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# define _(String) (String) |
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# endif |
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#endif |
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#ifdef gettext_noop |
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# define N_(String) gettext_noop(String) |
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#else |
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# define N_(String) (String) |
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#endif |
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#ifdef HAVE_MERGESORT |
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#define yasm__mergesort(a, b, c, d) mergesort(a, b, c, d) |
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#endif |
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#ifdef HAVE_STRSEP |
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#define yasm__strsep(a, b) strsep(a, b) |
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#endif |
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#ifdef HAVE_STRCASECMP |
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# define yasm__strcasecmp(x, y) strcasecmp(x, y) |
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# define yasm__strncasecmp(x, y, n) strncasecmp(x, y, n) |
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#elif HAVE_STRICMP |
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# define yasm__strcasecmp(x, y) stricmp(x, y) |
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# define yasm__strncasecmp(x, y, n) strnicmp(x, y, n) |
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#elif HAVE__STRICMP |
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# define yasm__strcasecmp(x, y) _stricmp(x, y) |
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# define yasm__strncasecmp(x, y, n) _strnicmp(x, y, n) |
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#elif HAVE_STRCMPI |
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# define yasm__strcasecmp(x, y) strcmpi(x, y) |
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# define yasm__strncasecmp(x, y, n) strncmpi(x, y, n) |
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#else |
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# define USE_OUR_OWN_STRCASECMP |
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#endif |
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#if !defined(HAVE_TOASCII) || defined(lint) |
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# define toascii(c) ((c) & 0x7F) |
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#endif |
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#include <libyasm/compat-queue.h> |
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#ifdef HAVE_SYS_CDEFS_H |
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# include <sys/cdefs.h> |
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#endif |
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#ifdef __RCSID |
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# define RCSID(s) __RCSID(s) |
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#elif defined(__GNUC__) && defined(__ELF__) |
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# define RCSID(s) __asm__(".ident\t\"" s "\"") |
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#else |
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# define RCSID(s) static const char rcsid[] = s |
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#endif |
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#ifdef WITH_DMALLOC |
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# include <dmalloc.h> |
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# define yasm__xstrdup(str) xstrdup(str) |
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# define yasm_xmalloc(size) xmalloc(size) |
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# define yasm_xcalloc(count, size) xcalloc(count, size) |
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# define yasm_xrealloc(ptr, size) xrealloc(ptr, size) |
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# define yasm_xfree(ptr) xfree(ptr) |
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#endif |
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/* Bit-counting: used primarily by HAMT but also in a few other places. */ |
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#define BC_TWO(c) (0x1ul << (c)) |
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#define BC_MSK(c) (((unsigned long)(-1)) / (BC_TWO(BC_TWO(c)) + 1ul)) |
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#define BC_COUNT(x,c) ((x) & BC_MSK(c)) + (((x) >> (BC_TWO(c))) & BC_MSK(c)) |
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#define BitCount(d, s) do { \ |
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d = BC_COUNT(s, 0); \ |
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d = BC_COUNT(d, 1); \ |
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d = BC_COUNT(d, 2); \ |
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d = BC_COUNT(d, 3); \ |
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d = BC_COUNT(d, 4); \ |
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} while (0) |
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/** Determine if a value is exactly a power of 2. Zero is treated as a power |
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* of two. |
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* \param x value |
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* \return Nonzero if x is a power of 2. |
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*/ |
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#define is_exp2(x) ((x & (x - 1)) == 0) |
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#ifndef NELEMS |
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/** Get the number of elements in an array. |
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* \internal |
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* \param array array |
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* \return Number of elements. |
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*/ |
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#define NELEMS(array) (sizeof(array) / sizeof(array[0])) |
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#endif |
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#endif
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