49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
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#include <stdio.h>
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#include <stdlib.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, int count);
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int test_ex29(char *lib_file, char *func_to_run, char *data)
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{
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int rc = 0;
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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, (int)strlen(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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int main()
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{
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char *dllib = getenv("EX29_DLLIB");
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if(dllib == NULL) {
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dllib = "build/libex29.so";
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}
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check(test_ex29(dllib, "print_a_message", "hello there") == 0, "print failed");
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check(test_ex29(dllib, "uppercase", "hello there") == 0, "uppercase failed");
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check(test_ex29(dllib, "lowercase", "HELLO tHeRe") == 0, "lowercase failed");
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check(test_ex29(dllib, "fail_on_purpose", "i fail") == 1, "fail failed to fail");
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check(test_ex29(dllib, "fail_on_purpose", "") == 1, "fail failed to fail");
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check(test_ex29(dllib, "adfasfasdf", "asdfadff") == 1, "adfasfasdf failed to fail");
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check(test_ex29("libex.so", "adfasfasdf", "asdfadff") == 1, "libex failed to fail");
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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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