45 lines
899 B
C
45 lines
899 B
C
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#include "wildio.h"
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#include "mymath.h"
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#include <dlfcn.h>
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#include <stdio.h>
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double magic_number = 0.0;
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int main(int argc, char** argv) {
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void *libwildio;
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int (*show_a_double_call)(double);
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double (*checkargs_call)(int,char**);
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void *libmymath;
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double (*sqrt_call)(double), result;
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dlerror();
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if (libwildio=dlopen("libwildio.so.1",RTLD_LAZY))
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{
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checkargs_call = dlsym(libwildio,"checkargs");
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show_a_double_call = dlsym(libwildio,"show_a_double");
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/* magic_number will be set by checkargs */
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magic_number = (*checkargs_call)(argc,argv);
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if (libmymath=dlopen("libmymath.so.1",RTLD_LAZY)) {
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sqrt_call = dlsym(libmymath,"sqrt");
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magic_number = (*sqrt_call)(magic_number);
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result = (*show_a_double_call)(magic_number);
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dlclose(libmymath);
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dlclose(libwildio);
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return result;
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}
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}
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/* last exit */
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exit(1);
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}
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