linux下编程用
编译软件
源代码在线查看： 960311-3.c
#include #ifdef DEBUG #define abort() printf ("error, line %d\n", __LINE__) #endif int count; void a1() { ++count; } void b (unsigned long data) { if (data & 0x80000000) a1(); data if (data & 0x80000000) a1(); data if (data & 0x80000000) a1(); } main () { count = 0; b (0); if (count != 0) abort (); count = 0; b (0x80000000); if (count != 1) abort (); count = 0; b (0x40000000); if (count != 1) abort (); count = 0; b (0x20000000); if (count != 1) abort (); count = 0; b (0xc0000000); if (count != 2) abort (); count = 0; b (0xa0000000); if (count != 2) abort (); count = 0; b (0x60000000); if (count != 2) abort (); count = 0; b (0xe0000000); if (count != 3) abort (); #ifdef DEBUG printf ("Done.\n"); #endif exit (0); }
