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UnHTML (Announce)

posted by bencollver Homepage, 15.07.2024, 02:14
(edited by bencollver on 15.07.2024, 02:26)

I found that the unhtml problem was the result of a buffer overflow. With more recent versions of GCC, the stack corruption changes the intitle variable to a garbage value, omitting all output after the overflow.

        char cmdbuf[20];
...
                while (ch != ' ' && ch != '>') {
                        cmdbuf[i++] = ch;
                        mygetchar();
                }

I used the following workaround:

                while (ch != ' ' && ch != '>') {
                        if (i < 19) cmdbuf[i++] = ch;
                        mygetchar();
                }

Here's a link to download binaries.

gopher://tilde.pink/1/~bencollver/files/dos/util/unhtml/

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