94d628c76a
Hi to all, This patch contains just some fixes for some misleading comments in my_getpwuid.c and my_getug.c. The code is untouched so this patch will not cause troubles. Please apply. Thanks in advance and Ciao, Tito
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) 2004 by Tito Ragusa <farmatito@tiscali.it>
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*
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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 2 of the License, or
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* (at your option) any later version.
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*
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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 GNU
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* 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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*
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* if bufsize is > 0 char *buffer can not be set to NULL.
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* If idname is not NULL it is written on the static allocated buffer
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* (and a pointer to it is returned).
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* if idname is NULL, id as string is written to the static allocated buffer
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* and NULL is returned.
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* if bufsize is = 0 char *buffer can be set to NULL.
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* If idname exists a pointer to it is returned,
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* else NULL is returned.
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* if bufsize is < 0 char *buffer can be set to NULL.
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* If idname exists a pointer to it is returned,
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* else an error message is printed and the program exits.
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*/
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#include <stdio.h>
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#include <assert.h>
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#include "libbb.h"
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/* internal function for my_getpwuid and my_getgrgid */
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char * my_getug(char *buffer, char *idname, long id, int bufsize, char prefix)
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{
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if(bufsize > 0 ) {
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assert(buffer!=NULL);
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if(idname) {
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return safe_strncpy(buffer, idname, bufsize);
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}
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snprintf(buffer, bufsize, "%ld", id);
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} else if(bufsize < 0 && !idname) {
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bb_error_msg_and_die("unknown %cid %ld", prefix, id);
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}
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return idname;
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}
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/* END CODE */
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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