The crypt extension causes a core dump on Fedora x86_64.
Steps to reproduce:
1) Build and install tclhttpd on a Fedora x86_64 machine.
2) Start tcl and load the crypt extension
bash# tclsh
% package require crypt
1.0
% crypt foo ba
Segmentation fault (core dumped)
A compilation warning points to the problem:
src/crypt.c: In function `Crypt_Cmd':
src/crypt.c:63: warning: cast to pointer from integer of different size
It seems that the #include "unistd.h" is working, but isn't providing
the real declaration for crypt, as the compiler still thinks that it
returns an int, not char *. Adding #include <crypt.h> fixes the
problem. Perhaps we should be including crypt.h on systems where it's
available?
--Mike
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