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The compiler is entitled to store a char[] local variable with no particular alignment requirement. Our RADIUS code cavalierly took such a local variable and cast its address to a struct type that does have alignment requirements. On an alignment-picky machine this would lead to bus errors. To fix, declare the local variable honestly, and then cast its address to char * for use in the I/O calls. Given the lack of field complaints, there must be very few if any people affected; but nonetheless this is a clear portability issue, so back-patch to all supported branches. Noted while looking at a Coverity complaint in the same code. |
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PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: http://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.