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[/] [or1k/] [trunk/] [linux/] [uClibc/] [libc/] [unistd/] [confstr.c] - Rev 1771
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/* Copyright (C) 1991, 1996, 1997, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <stddef.h> #include <errno.h> #include <unistd.h> #include <string.h> #define CS_PATH "/bin:/usr/bin" /* If BUF is not NULL and LEN > 0, fill in at most LEN - 1 bytes of BUF with the value corresponding to NAME and zero-terminate BUF. Return the number of bytes required to hold NAME's entire value. */ size_t confstr ( int name, char *buf, size_t len) { const char *string; size_t string_len; switch (name) { case _CS_PATH: { static const char cs_path[] = CS_PATH; string = cs_path; string_len = sizeof (cs_path); } break; default: __set_errno (EINVAL); return 0; } if (len > 0 && buf != NULL) { if (string_len <= len) memcpy (buf, string, string_len); else { memcpy (buf, string, len - 1); buf[len - 1] = '\0'; } } return string_len; }
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