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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 16:44:12 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 16:44:12 +0000 |
commit | cda5d340e78555d2542be9264137319c5308e798 (patch) | |
tree | 7bc11f3311859ceee697bba8b60a5cb79a03473b /lib/replace/dlfcn.c | |
parent | Initial commit. (diff) | |
download | talloc-upstream.tar.xz talloc-upstream.zip |
Adding upstream version 2.4.2.upstream/2.4.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/replace/dlfcn.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/lib/replace/dlfcn.c b/lib/replace/dlfcn.c new file mode 100644 index 0000000..88431ed --- /dev/null +++ b/lib/replace/dlfcn.c @@ -0,0 +1,76 @@ +/* + Unix SMB/CIFS implementation. + Samba system utilities + Copyright (C) Andrew Tridgell 1992-1998 + Copyright (C) Jeremy Allison 1998-2002 + Copyright (C) Jelmer Vernooij 2006 + + ** NOTE! The following LGPL license applies to the replace + ** library. This does NOT imply that all of Samba is released + ** under the LGPL + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 3 of the License, or (at your option) any later version. + + This 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#ifdef HAVE_DL_H +#include <dl.h> +#endif + +#ifndef HAVE_DLOPEN +#ifdef DLOPEN_TAKES_UNSIGNED_FLAGS +void *rep_dlopen(const char *name, unsigned int flags) +#else +void *rep_dlopen(const char *name, int flags) +#endif +{ +#ifdef HAVE_SHL_LOAD + if (name == NULL) + return PROG_HANDLE; + return (void *)shl_load(name, flags, 0); +#else + return NULL; +#endif +} +#endif + +#ifndef HAVE_DLSYM +void *rep_dlsym(void *handle, const char *symbol) +{ +#ifdef HAVE_SHL_FINDSYM + void *sym_addr; + if (!shl_findsym((shl_t *)&handle, symbol, TYPE_UNDEFINED, &sym_addr)) + return sym_addr; +#endif + return NULL; +} +#endif + +#ifndef HAVE_DLERROR +char *rep_dlerror(void) +{ + return "dynamic loading of objects not supported on this platform"; +} +#endif + +#ifndef HAVE_DLCLOSE +int rep_dlclose(void *handle) +{ +#ifdef HAVE_SHL_CLOSE + return shl_unload((shl_t)handle); +#else + return 0; +#endif +} +#endif |