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https://github.com/samba-team/samba.git
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6ab33938d5
"." for "..". These express the intention better that strcmp or strequal and improve searchability via cscope/ctags. (This used to be commit 7e4ad7e8e5ec266b969e3075c4ad7f021571f24e)
113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
/*
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Unix SMB/CIFS implementation.
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Copyright (C) Jelmer Vernooij 2005
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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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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
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GNU General Public License for more details.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/**
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* @file
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* @brief Module initialization function handling
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*/
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#include "includes.h"
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#include "system/dir.h"
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/**
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* Obtain the init function from a shared library file
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*/
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_PUBLIC_ init_module_fn load_module(TALLOC_CTX *mem_ctx, const char *path)
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{
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void *handle;
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void *init_fn;
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handle = dlopen(path, RTLD_NOW);
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if (handle == NULL) {
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DEBUG(0, ("Unable to open %s: %s\n", path, dlerror()));
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return NULL;
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}
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init_fn = dlsym(handle, "init_module");
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if (init_fn == NULL) {
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DEBUG(0, ("Unable to find init_module() in %s: %s\n", path, dlerror()));
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DEBUG(1, ("Loading module '%s' failed\n", path));
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dlclose(handle);
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return NULL;
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}
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return (init_module_fn)init_fn;
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}
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/**
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* Obtain list of init functions from the modules in the specified
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* directory
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*/
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_PUBLIC_ init_module_fn *load_modules(TALLOC_CTX *mem_ctx, const char *path)
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{
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DIR *dir;
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struct dirent *entry;
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char *filename;
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int success = 0;
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init_module_fn *ret = talloc_array(mem_ctx, init_module_fn, 2);
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ret[0] = NULL;
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dir = opendir(path);
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if (dir == NULL) {
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talloc_free(ret);
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return NULL;
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}
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while((entry = readdir(dir))) {
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if (ISDOT(entry->d_name) || ISDOTDOT(entry->d_name))
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continue;
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filename = talloc_asprintf(mem_ctx, "%s/%s", path, entry->d_name);
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ret[success] = load_module(mem_ctx, filename);
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if (ret[success]) {
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ret = talloc_realloc(mem_ctx, ret, init_module_fn, success+2);
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success++;
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ret[success] = NULL;
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}
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talloc_free(filename);
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}
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closedir(dir);
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return ret;
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}
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/**
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* Run the specified init functions.
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*
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* @return True if all functions ran successfully, False otherwise
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*/
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_PUBLIC_ BOOL run_init_functions(NTSTATUS (**fns) (void))
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{
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int i;
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BOOL ret = True;
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if (fns == NULL)
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return True;
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for (i = 0; fns[i]; i++) { ret &= (BOOL)NT_STATUS_IS_OK(fns[i]()); }
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return ret;
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}
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