platform_bionic/libdl/libdl.c
Elliott Hughes 5e071a18ce dlerror returns char*, not const char*.
http://pubs.opengroup.org/onlinepubs/9699919799/functions/dlerror.html:

    char *dlerror(void);
    ...
    The application shall not modify the string returned.

Change-Id: I5e684bfd3930c39a2a30ea6fd005a5d5d3e5b181
2016-08-11 15:02:45 -07:00

73 lines
2.7 KiB
C

/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <dlfcn.h>
#include <link.h>
#include <stdlib.h>
#include <stdbool.h>
#include <android/dlext.h>
// These are stubs for functions that are actually defined
// in the dynamic linker and hijacked at runtime.
void* dlopen(const char* filename __unused, int flag __unused) { return 0; }
char* dlerror(void) { return 0; }
void* dlsym(void* handle __unused, const char* symbol __unused) { return 0; }
void* dlvsym(void* handle __unused, const char* symbol __unused, const char* version __unused) {
return 0;
}
int dladdr(const void* addr __unused, Dl_info* info __unused) { return 0; }
int dlclose(void* handle __unused) { return 0; }
#if defined(__arm__)
_Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr pc __unused, int* pcount __unused) { return 0; }
#endif
int dl_iterate_phdr(int (*cb)(struct dl_phdr_info* info, size_t size, void* data) __unused,
void* data __unused) {
return 0;
}
void android_get_LD_LIBRARY_PATH(char* buffer __unused, size_t buffer_size __unused) { }
void android_update_LD_LIBRARY_PATH(const char* ld_library_path __unused) { }
void* android_dlopen_ext(const char* filename __unused, int flag __unused,
const android_dlextinfo* extinfo __unused) {
return 0;
}
void android_set_application_target_sdk_version(uint32_t target __unused) { }
uint32_t android_get_application_target_sdk_version() { return 0; }
bool android_init_namespaces(const char* public_ns_sonames __unused,
const char* anon_ns_library_path __unused) {
return false;
}
struct android_namespace_t* android_create_namespace(const char* name __unused,
const char* ld_library_path __unused,
const char* default_library_path __unused,
uint64_t type __unused,
const char* permitted_when_isolated_path __unused) {
return 0;
}
void android_dlwarning(void* obj, void (*f)(void*, const char*)) { f(obj, 0); }