39 lines
969 B
C
39 lines
969 B
C
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#include "base.h"
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#include "base.c"
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// setup plugin_func as a function pointer so that it can be linked at run time
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typedef void PLUGIN_Func(void);
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PLUGIN_Func *plugin_func = 0;
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int main(){
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// base layer initialization is automatic and runs before main - base functions begin working right away
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base_func();
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// to call a function with run-time linking, we must manually load and link it
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#if OS_WINDOWS
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HMODULE module = LoadLibraryA("plugin.dll");
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if (module != 0){
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plugin_func = (PLUGIN_Func*)GetProcAddress(module, "plugin_func");
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}
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#elif OS_LINUX
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void *module = dlopen("./plugin.so", RTLD_NOW);
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if (module != 0){
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plugin_func = (PLUGIN_Func*)dlsym(module, "plugin_func");
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}
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#endif
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// calls to plugin_func only work after the "plugin" loaded successfully
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if (plugin_func != 0){
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plugin_func();
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}
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// demonstration: the data structures contained in the 'base' are not duplicated in each binary
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base_func();
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}
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