GCCAVR(AVR Studio)中多维数组定义警告:missing braces around initializer

本文解决GCCAVR(AVRStudio)中定义二维数组时出现的“missing braces around initializer”警告。通过对比正确的初始化方式,帮助理解初始化列表的正确语法。

                          GCCAVR(AVR Studio)中多维定义警告:missing braces around initializer

    详细警告为:

                            warning: missing braces around initializer

                            warning: (near initialization for 's1[0]')

    

    二维数组定义如下:

                            char s1[4][16] =  { 14, 4,13, 1, 2,15,11, 8, 3,10, 6,12, 5, 9, 0, 7 ,
                                                            0,15, 7, 4,14, 2,13, 1,10, 6,12,11, 9, 5, 3, 8 ,
                                                            4, 1,14, 8,13, 6, 2,11,15,12, 9, 7, 3,10, 5, 0 ,
                                                           15,12, 8, 2, 4, 9, 1, 7, 5,11, 3,14,10, 0, 6,13 
                                                        };

改为:

                            char s1[4][16] =  { {14, 4,13, 1, 2,15,11, 8, 3,10, 6,12, 5, 9, 0, 7 },
                                                           { 0,15, 7, 4,14, 2,13, 1,10, 6,12,11, 9, 5, 3, 8 },
                                                           { 4, 1,14, 8,13, 6, 2,11,15,12, 9, 7, 3,10, 5, 0 },
                                                           {15,12, 8, 2, 4, 9, 1, 7, 5,11, 3,14,10, 0, 6,13 }
                                                        };
因为:没有用大括号明确的区分出初始化数据的归类。在Keill、ICCAVR中没有警告,可能WINAVR对语法要求更严格吧。

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