kaguya
40 lines
778 B
C
40 lines
778 B
C
#include <assert.h>
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#include <stdio.h>
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#include <dlfcn.h>
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#ifdef USE_HOST_LIBC
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#define LIBFOO "libnative-foo.so"
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#else
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#define LIBFOO "libfoo.so"
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#endif
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int foo(void);
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int main() {
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int ver = foo();
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fprintf(stderr, "called foo version %d\n", ver);
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assert(ver == 3); // version 3 is the default for libfoo.so
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void *libfoo_h = dlopen(LIBFOO, RTLD_GLOBAL | RTLD_NOW);
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assert(libfoo_h);
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int (*foo1)(void) = dlvsym(libfoo_h, "foo", "FOO_1");
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assert(foo1);
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int (*foo2)(void) = dlvsym(libfoo_h, "foo", "FOO_2");
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assert(foo2);
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int (*foo3)(void) = dlvsym(libfoo_h, "foo", "FOO_3");
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assert(foo3);
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int (*foo_def)(void) = dlsym(libfoo_h, "foo");
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assert(foo_def);
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assert(foo1() == 1);
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assert(foo2() == 2);
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assert(foo3() == 3);
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assert(foo3 == foo_def);
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return 0;
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}
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