38 lines
775 B
C
38 lines
775 B
C
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// FROM:http://www.gowrikumar.com/c/
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#include <stdlib.h>
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#include <stdio.h>
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void Error(char* s)
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{
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printf(s);
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return;
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}
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int main()
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{
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int *p;
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p = malloc(sizeof(int));
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if(p == NULL)
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{
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Error("Could not allocate the memory\n");
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Error("Quitting....\n");
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exit(1);
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}
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else
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{
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/*some stuff to use p*/
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Error("Could not allocate the memory\n");
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Error("Quitting....\n");
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Error(5);
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}
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return 0;
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}
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/*
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潜在的问题是：
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Error函数中，如果输入的参数不是字符串，比如传一个整数5，5被转成一个内存地址，printf这时候访问就会出问题了。
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$1 = 0x5 <error: Cannot access memory at address 0x5>
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*/
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