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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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v_12_03
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kamradt
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manage.h
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C/C++ Source or Header
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1994-02-07
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516b
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29 lines
class BadString {
public:
// Using the pointer directly:
BadString(char *s) { ptr = s; }
// Where did pointer come from:
~BadString() { delete[] ptr; }
private:
char *ptr;
};
char *strdup(const char *str)
{
return strcpy(new
char[strlen(str)+1],str);
}
class GoodString {
public:
// Don't use the pointer, copy it:
GoodString(const char *s)
{ ptr = strdup(s); }
// Now you can safely delete it:
~GoodString()
{ delete[] ptr; }
private:
char *ptr;
};