71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/*
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* Copyright (c) 1988 Mark Nudleman
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* 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 REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "less.h"
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#include <sys/param.h>
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#include "pathnames.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <locale.h>
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#define MAXLANGLEN 64
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void
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help()
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{
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char cmd[MAXPATHLEN + 20];
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char *p, lang[ MAXLANGLEN ], helpfile[ MAXPATHLEN ];
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int fd;
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/* This doesn't effect to performance so much. */
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if ( (p = setlocale( LC_MESSAGES, NULL )) == NULL )
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strcpy( lang, "C" );
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else {
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strncpy( lang, p, MAXLANGLEN );
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lang[MAXLANGLEN-1] = '\0';
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}
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(void)sprintf(helpfile, "%s/%s/%s","/usr/lib/locale",lang,"LC_MESSAGES/more.help");
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if ( (fd = open( helpfile, O_RDONLY )) != -1 ) {
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(void)sprintf(cmd, "-more %s", helpfile);
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close( fd );
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}
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else
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(void)sprintf(cmd, "-more %s", _PATH_HELPFILE);
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lsystem(cmd);
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}
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