Rev | Line | |
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[1] | 1 | #include <stdio.h> |
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| 2 | #include <stdlib.h> |
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| 3 | #include <iostream> |
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| 4 | #include <fstream> |
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| 5 | |
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| 6 | using namespace std; |
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| 7 | |
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| 8 | char buf[256]; |
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| 9 | int index = 0; |
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| 10 | |
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| 11 | class mysb : public streambuf |
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| 12 | { |
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| 13 | int overflow (int c) |
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| 14 | { |
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| 15 | buf[index] = c; |
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| 16 | buf[index + 1] = 0; |
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| 17 | index++; |
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| 18 | if ((index > 200) || (c == '\n')) |
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| 19 | { |
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| 20 | printf ("> %s\n", buf); |
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| 21 | index = 0; |
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| 22 | } |
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| 23 | return (1); |
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| 24 | } |
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| 25 | int underflow () |
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| 26 | { |
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| 27 | return (EOF); |
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| 28 | } |
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| 29 | }; |
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| 30 | |
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| 31 | int main () |
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| 32 | { |
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| 33 | mysb s; |
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| 34 | streambuf* old; |
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| 35 | |
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| 36 | ifstream f ("../mgr/requirements"); |
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| 37 | if (f) |
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| 38 | { |
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| 39 | cout << "opened" << endl; |
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| 40 | f.close (); |
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| 41 | } |
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| 42 | |
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| 43 | cout << "aaa" << endl; |
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| 44 | |
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| 45 | old = cout.rdbuf (&s); |
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| 46 | //cout = &s; |
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| 47 | |
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| 48 | cout << "bbb" << endl; |
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| 49 | |
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| 50 | old = cout.rdbuf (old); |
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| 51 | //cout = old; |
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| 52 | |
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| 53 | cout << "ccc" << endl; |
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| 54 | |
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| 55 | return (0); |
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| 56 | } |
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