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tc: netem rate shaping and cell extension
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1 /*
2  * Stub dlfcn implementation for systems that lack shared library support
3  * but obviously can still reference compiled-in symbols.
4  */
5
6 #ifndef NO_SHARED_LIBS
7 #include_next <dlfcn.h>
8 #else
9
10 #define RTLD_LAZY 0
11 #define _FAKE_DLFCN_HDL (void *)0xbeefcafe
12
13 static inline void *dlopen(const char *file, int flag)
14 {
15         if (file == NULL)
16                 return _FAKE_DLFCN_HDL;
17         else
18                 return NULL;
19 }
20
21 extern void *_dlsym(const char *sym);
22 static inline void *dlsym(void *handle, const char *sym)
23 {
24         if (handle != _FAKE_DLFCN_HDL)
25                 return NULL;
26         return _dlsym(sym);
27 }
28
29 static inline char *dlerror(void)
30 {
31         return NULL;
32 }
33
34 static inline int dlclose(void *handle)
35 {
36         return (handle == _FAKE_DLFCN_HDL) ? 0 : 1;
37 }
38
39 #endif