mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-19 10:42:36 +03:00
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
/*
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* Copyright 2004-2007 James Bursa <bursa@users.sourceforge.net>
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* Copyright 2004 John Tytgat <joty@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf 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; version 2 of the License.
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*
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* NetSurf 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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*
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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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/**
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* \file
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* \brief Interface to a number of general purpose functionality.
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* \todo Many of these functions and macros should have their own headers.
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*/
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#ifndef NETSURF_UTILS_UTILS_H
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#define NETSURF_UTILS_UTILS_H
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#include <stdbool.h>
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#ifndef NOF_ELEMENTS
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#define NOF_ELEMENTS(array) (sizeof(array)/sizeof(*(array)))
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#endif
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#ifndef ABS
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#define ABS(x) (((x)>0)?(x):(-(x)))
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#endif
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#ifdef __MINT__ /* avoid using GCCs builtin min/max functions */
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#undef min
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#undef max
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#endif
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#ifndef __cplusplus
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#ifndef min
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#define min(x,y) (((x)<(y))?(x):(y))
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#endif
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#ifndef max
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#define max(x,y) (((x)>(y))?(x):(y))
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#endif
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#endif
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/* Windows does not have POSIX mkdir so work around that */
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#if defined(_WIN32)
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/** windows mkdir function */
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#define nsmkdir(dir, mode) mkdir((dir))
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#else
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/** POSIX mkdir function */
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#define nsmkdir(dir, mode) mkdir((dir), (mode))
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#endif
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#if defined(__GNUC__) && (__GNUC__ < 3)
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#define FLEX_ARRAY_LEN_DECL 0
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#else
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#define FLEX_ARRAY_LEN_DECL
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#endif
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#if defined(__HAIKU__) || defined(__BEOS__)
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#include <stdlib.h>
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#define strtof(s,p) ((float)(strtod((s),(p))))
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#endif
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#if !defined(ceilf) && defined(__MINT__)
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#define ceilf(x) (float)ceil((double)x)
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#endif
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#if !defined(__amigaos4__) && defined(__AMIGA__)
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#define strtoull(n,e,b) (unsigned long long int)strtoul(n,e,b)
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#endif
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/**
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* Calculate length of constant C string.
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*
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* \param x a constant C string.
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* \return The length of C string without its terminator.
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*/
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#define SLEN(x) (sizeof((x)) - 1)
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/**
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* Check if a directory exists.
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*/
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bool is_dir(const char *path);
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#endif
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