GCC中运用枚举定义数组的实例

enum uaddr { MTD_UADDR_NOT_SUPPORTED = 0, /* data width not supported */ MTD_UADDR_0x0555_0x02AA, MTD_UADDR_0x0555_0x0AAA, MTD_UADDR_0x5555_0x2AAA, MTD_UADDR_0x0AAA_0x0555, MTD_UADDR_DONT_CARE, /* Requires an arbitrary address */ MTD_UADDR_UNNECESSARY, /* Does not require any address */ }; struct unlock_addr { u32 addr1; u32 addr2; }; /* * I don't like the fact that the first entry in unlock_addrs[] * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore, * should not be used. The problem is that structures with * initializers have extra fields initialized to 0. It is _very_ * desireable to have the unlock address entries for unsupported * data widths automatically initialized - that means that * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here * must go unused. */ static const struct unlock_addr unlock_addrs[] = { [MTD_UADDR_NOT_SUPPORTED] = { .addr1 = 0xffff, .addr2 = 0xffff }, [MTD_UADDR_0x0555_0x02AA] = { .addr1 = 0x0555, .addr2 = 0x02aa }, [MTD_UADDR_0x0555_0x0AAA] = { .addr1 = 0x0555, .addr2 = 0x0aaa }, [MTD_UADDR_0x5555_0x2AAA] = { .addr1 = 0x5555, .addr2 = 0x2aaa }, [MTD_UADDR_0x0AAA_0x0555] = { .addr1 = 0x0AAA, .addr2 = 0x0555 }, [MTD_UADDR_DONT_CARE] = { .addr1 = 0x0000, /* Doesn't matter which address */ .addr2 = 0x0000 /* is used - must be last entry */ }, [MTD_UADDR_UNNECESSARY] = { .addr1 = 0x0000, .addr2 = 0x0000 } };

 

这种写法可读性很好，貌似VC下编译不过，遗憾！