mirror of
https://github.com/MidnightCommander/mc
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99 lines
3.2 KiB
C
99 lines
3.2 KiB
C
/*
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GLIB - Library of useful routines for C programming
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Copyright (C) 2009, 2011, 2013
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The Free Software Foundation, Inc.
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Written by:
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Slava Zanko <slavazanko@gmail.com>, 2009, 2013.
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This file is part of the Midnight Commander.
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The Midnight Commander is free software: you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the License,
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or (at your option) any later version.
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The Midnight Commander 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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/** \file glibcompat.c
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* \brief Source: compatibility with older versions of glib
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*
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* Following code was copied from glib to GNU Midnight Commander to
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* provide compatibility with older versions of glib.
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*/
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#include <config.h>
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#include <string.h>
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#include "global.h"
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#include "glibcompat.h"
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/*** global variables ****************************************************************************/
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/*** file scope macro definitions ****************************************************************/
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/*** file scope type declarations ****************************************************************/
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/*** file scope variables ************************************************************************/
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/*** file scope functions ************************************************************************/
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/*** public functions ****************************************************************************/
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/* --------------------------------------------------------------------------------------------- */
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#if ! GLIB_CHECK_VERSION (2, 13, 0)
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/*
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This is incomplete copy of same glib-function.
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For older glib (less than 2.13) functional is enought.
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For full version of glib welcome to glib update.
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*/
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gboolean
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g_unichar_iszerowidth (gunichar c)
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{
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if (G_UNLIKELY (c == 0x00AD))
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return FALSE;
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if (G_UNLIKELY ((c >= 0x1160 && c < 0x1200) || c == 0x200B))
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return TRUE;
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return FALSE;
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}
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#endif /* ! GLIB_CHECK_VERSION (2, 13, 0) */
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/* --------------------------------------------------------------------------------------------- */
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#if ! GLIB_CHECK_VERSION (2, 16, 0)
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/**
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* g_strcmp0:
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* @str1: (allow-none): a C string or %NULL
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* @str2: (allow-none): another C string or %NULL
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*
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* Compares @str1 and @str2 like strcmp(). Handles %NULL
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* gracefully by sorting it before non-%NULL strings.
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* Comparing two %NULL pointers returns 0.
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*
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* Returns: an integer less than, equal to, or greater than zero, if @str1 is <, == or > than @str2.
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*
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* Since: 2.16
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*/
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int
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g_strcmp0 (const char *str1, const char *str2)
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{
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if (!str1)
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return -(str1 != str2);
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if (!str2)
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return str1 != str2;
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return strcmp (str1, str2);
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}
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#endif /* ! GLIB_CHECK_VERSION (2, 16, 0) */
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/* --------------------------------------------------------------------------------------------- */
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