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73 lines
1.7 KiB
73 lines
1.7 KiB
#include "ex22.h"
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#include "dbg.h"
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const char *MY_NAME = "Zed A. Shaw";
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void scope_demo(int count)
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{
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log_info("count is: %d", count);
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if(count > 10) {
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int count = 100; // BAD! BUGS!
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log_info("count in this scope is %d", count);
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}
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log_info("count is at exit: %d", count);
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count = 3000;
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log_info("count after assign: %d", count);
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}
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int main(int argc, char *argv[])
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{
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// test out THE_AGE accessors
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log_info("My name: %s, age: %d", MY_NAME, get_age());
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set_age(100);
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log_info("My age is now: %d", get_age());
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int new_age = 44;
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log_info("Setting age directly to %d", new_age);
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int *age = get_age_pointer();
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*age = new_age;
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log_info("My age is now: %d", get_age());
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// test out THE_SIZE extern
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log_info("THE_SIZE is: %d", THE_SIZE);
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print_size();
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THE_SIZE = 9;
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log_info("THE_SIZE is now: %d", THE_SIZE);
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print_size();
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// test the ratio function static
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log_info("Ratio at first: %f", update_ratio(2.0));
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log_info("Ratio again: %f", update_ratio(10.0));
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log_info("Ratio once more: %f", update_ratio(300.0));
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// accessing a function static
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double *func_static_value = get_function_static(4.0);
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log_info("get_function_static(4.0) = %.1f", *func_static_value);
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double new_func_static_value = 8.0;
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log_info("Setting the function static var directly to %.1f",
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new_func_static_value);
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*func_static_value = new_func_static_value;
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log_info("get_function_static(4.0) = %.1f", *get_function_static(4.0));
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// test the scope demo
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int count = 4;
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scope_demo(count);
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scope_demo(count * 20);
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log_info("count after calling scope_demo: %d", count);
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return 0;
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}
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