On 01-Aug-08 03:22:56 Sam Varshavchik wrote: >whoosh writes: >> On 01-Aug-08 03:00:09 Tom Horsley wrote: >>>On Fri, 01 Aug 2008 02:36:54 +0100 >>>whoosh <whoosh777@xxxxxxxxxxxxxxxx> wrote: >> >>>> 64 bit Fedora 9's gcc regards this as an error, all the other gcc's eg >>>> on 32 bit Fedora Core 3 have no problem with this. >> >>>The standard regards it as an error as well, and if you looked up >>>the insane argument passing conventions for x86_64, you'd know why :-). >>>If you want to write portable code, look at the stdarg man page and >>>use the va_start, va_copy, etc. macros. >> >> >> ok, from that man page it looks like the way to do it is: >> >> f( va_list *pargs ) >No, that's not what that man page states. See the EXAMPLE section. >> is there a way to switch off the signedness errors, where >> >> I use "unsigned char *" for strings to prevent char 255 being >> >> sign extended to EOF? >Use explicit casts. too much work, this is stable code which I have been using for probably 2 years, -Wall with earlier gcc's no errors at all, thus I need a backward compatibility option, once code has stabilised I dont like changing it unless it is a GENUINE problem. for dealing with files, strings are BETTER as "unsigned char *" than as "char *" as EOF is typically -1, DIFFERENT from the valid char 255 someone on the list has suggested -Wno-pointer-sign -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
