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34 lines
782 B
34 lines
782 B
#include <stdio.h>
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#include "dbg.h"
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#include <dlfcn.h>
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typedef int (*lib_function)(const char *data);
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int main(int argc, char *argv[])
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{
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int rc = 0;
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check(argc == 4, "USAGE: ex29 libex29.so function data");
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char *lib_file = argv[1];
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char *func_to_run = argv[2];
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char *data = argv[3];
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void *lib = dlopen(lib_file, RTLD_NOW);
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check(lib != NULL, "Failed to open the library %s: %s", lib_file, dlerror());
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lib_function func = dlsym(lib, func_to_run);
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check(func != NULL, "Did not find %s function in the library %s: %s", func_to_run, lib_file, dlerror());
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rc = func(data);
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check(rc == 0, "Function %s return %d for data: %s", func_to_run, rc, data);
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rc = dlclose(lib);
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check(rc == 0, "Failed to close %s", lib_file);
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return 0;
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error:
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return 1;
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}
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