🚀 go-pugleaf

how can i instruct the gcc compiler to generate packed structures?

#define BYTE1 unsigned char
#define BYTE2 unsigned short
#define BYTE4 unsigned long

typedef struct {
    BYTE2 b21;
    BYTE2 b22;
    BYTE2 b23;
    BYTE4 b41;
} some_t;

in this example, i always get a two byte gap between b23 and b41.
sizeof(some_t) evaluates to 12 instead of 10.
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Friedemann M. Baitinger                 email: baiti@herrenberg.netsurf.de