projects / mirror_iproute2.git / blame
| Commit | Line | Data |
|---|---|---|
| 6054c1eb | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| f2e27cfb MF |
2 | /* |
| 3 | * Stub dlfcn implementation for systems that lack shared library support | |
| 4 | * but obviously can still reference compiled-in symbols. | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef NO_SHARED_LIBS | |
| 8 | #include_next <dlfcn.h> | |
| 9 | #else | |
| 10 | ||
| 11 | #define RTLD_LAZY 0 | |
| e7b24b67 | 12 | #define RTLD_GLOBAL 1 |
| f2e27cfb MF |
13 | #define _FAKE_DLFCN_HDL (void *)0xbeefcafe |
| 14 | ||
| 15 | static inline void *dlopen(const char *file, int flag) | |
| 16 | { | |
| 17 | if (file == NULL) | |
| 18 | return _FAKE_DLFCN_HDL; | |
| 19 | else | |
| 20 | return NULL; | |
| 21 | } | |
| 22 | ||
| 892e2124 | 23 | void *_dlsym(const char *sym); |
| f2e27cfb MF |
24 | static inline void *dlsym(void *handle, const char *sym) |
| 25 | { | |
| 26 | if (handle != _FAKE_DLFCN_HDL) | |
| 27 | return NULL; | |
| 28 | return _dlsym(sym); | |
| 29 | } | |
| 30 | ||
| 31 | static inline char *dlerror(void) | |
| 32 | { | |
| 33 | return NULL; | |
| 34 | } | |
| 35 | ||
| 36 | static inline int dlclose(void *handle) | |
| 37 | { | |
| 38 | return (handle == _FAKE_DLFCN_HDL) ? 0 : 1; | |
| 39 | } | |
| 40 | ||
| 41 | #endif |