Mercurial > code
view module.c @ 28:904a373aa120
Buffer security fix. Also switched to == NULL statement instead of ! as
advised in man style(9)
author | David Demelier <markand@malikania.fr> |
---|---|
date | Thu, 22 Sep 2011 13:03:27 +0200 |
parents | 726b181b8956 |
children | 23a3ebcbf08e |
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/* * module.c -- portable functions to manipulate dynamic libraries * * Copyright (c) 2011, David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <stdio.h> #include <stdlib.h> #include "module.h" int module_load(struct module *mod, const char *path, int flags) { /* Flags are not supported on Windows */ #if defined(_WIN32) || defined(__WIN32__) (void) flags; mod->handler = LoadLibrary(path); #else mod->handler = dlopen(path, flags); #endif if (!(mod->handler)) return -1; return 0; } int module_find(struct module *mod, const char *sym) { #if defined(_WIN32) || defined(__WIN32__) mod->sym = GetProcAddress(mod->handler, sym); #else mod->sym = dlsym(mod->handler, sym); #endif if (!(mod->sym)) return -1; return 0; } void module_free(struct module *mod) { #if defined(_WIN32) || defined(__WIN32__) FreeLibrary(mod->handler); #else dlclose(mod->handler); #endif }