54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
//Compile with:
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//gcc eina_value_01.c -o eina_value_01 `pkg-config --cflags --libs eina`
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#include <Eina.h>
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int main(int argc, char **argv)
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{
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Eina_Value v;
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int i;
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char *newstr;
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eina_init();
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eina_value_setup(&v, EINA_VALUE_TYPE_INT);
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eina_value_set(&v, 123);
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eina_value_get(&v, &i);
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printf("v=%d\n", i);
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newstr = eina_value_to_string(&v);
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printf("v as string: %s\n", newstr);
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free(newstr); // it was allocated by eina_value_to_string()
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eina_value_flush(&v); // destroy v contents, will not use anymore
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const char *s;
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eina_value_setup(&v, EINA_VALUE_TYPE_STRING);
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eina_value_set(&v, "My string");
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eina_value_get(&v, &s);
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printf("v=%s (pointer: %p)\n", s, s);
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newstr = eina_value_to_string(&v);
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printf("v as string: %s (pointer: %p)\n", newstr, newstr);
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free(newstr); // it was allocated by eina_value_to_string()
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eina_value_flush(&v); // destroy v contents, string 's' is not valid anymore!
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Eina_Value otherv;
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eina_value_setup(&otherv, EINA_VALUE_TYPE_STRING);
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eina_value_setup(&v, EINA_VALUE_TYPE_INT);
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// convert from int to string:
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eina_value_set(&v, 123);
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eina_value_convert(&v, &otherv);
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eina_value_get(&otherv, &s);
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printf("otherv=%s\n", s);
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// and the other way around!
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eina_value_set(&otherv, "33");
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eina_value_convert(&otherv, &v);
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eina_value_get(&v, &i);
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printf("v=%d\n", i);
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eina_value_flush(&otherv);
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eina_value_flush(&v);
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}
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