FreeTDS Development Group

[Steve Langasek <vorlon AT netexpress.net>]

On Mon, Dec 09, 2002 at 02:03:38PM -0700, Harrison, Bruce (CXO) wrote:

> It looks as if an int * and an unsigned long * are the same size.  As
> far as the char * to int conversion (such as in the strtok_r call), we
> are probably OK for now as the int and the char * are the same size.
> The man pages for strtok_r does indicate that it returns a pointer.
> This is something that should be fixed at some point as more and more
> machines are becoming 64-bit and the pointer size may get changed to 8,
> whilst the size of an int remains at 4. If (when?) this happens, then
> the code would definitely break.

char * -> int may work on your platform, but I'm already using freetds on
64-bit systems, and I don't think I'm the only one.  What's the source
for the log cited below?  Can I get a more verbose listing so I can more
easily find and fix the non-portable casts?

> $ grep line log |perl -pe 's/^.+# //' |grep ^Type |sort |uniq -c
>   13 Types 'char *' and 'int' are not assignment-compatible.
>   18 Types 'char *' and 'unsigned char *' are not assignment-compatible.
>   12 Types 'const char *' and 'unsigned char *' are not
> assignment-compatible.
>   18 Types 'const unsigned char *' and 'char *' are not
> assignment-compatible.
>    2 Types 'int *' and 'unsigned long *' are not assignment-compatible.
>    1 Types 'passwd *' and 'int' are not assignment-compatible.
>   22 Types 'unsigned char *' and 'char *' are not assignment-compatible.
>    1 Types 'void *' and 'int (*)(cs_context *,cs_clientmsg *)' are not
> assignment-compatible.

-- 
Steve Langasek
postmodern programmer

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