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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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* Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License v.2.
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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 Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "lib.h"
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#include "config.h"
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#include "lvm-string.h"
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#include "sharedlib.h"
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#include <limits.h>
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#include <sys/stat.h>
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#include <dlfcn.h>
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void *load_shared_library(struct config_tree *cft, const char *libname,
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const char *desc)
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{
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char path[PATH_MAX];
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struct stat info;
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const char *lib_dir;
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void *library;
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/* If libname doesn't begin with '/' then use lib_dir/libname,
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* if present */
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if (libname[0] == '/' ||
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!(lib_dir = find_config_str(cft->root, "global/library_dir", 0)) ||
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(lvm_snprintf(path, sizeof(path), "%s/%s", lib_dir,
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libname) == -1) || stat(path, &info) == -1)
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strncpy(path, libname, sizeof(path));
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log_very_verbose("Opening shared %s library %s", desc, path);
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if (!(library = dlopen(path, RTLD_LAZY)))
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log_error("Unable to open external %s library %s", desc, path);
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return library;
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}
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