Re: [PHP4BETA] TSRM problems... UMBRs everywhere:-((

On Thu, 23 Dec 1999 zeev@zend.com wrote: > On Thu, 23 Dec 1999, Thies C. Arntzen wrote: > > > On Thu, 23 Dec 1999 zeev@zend.com wrote: > > > > > On Thu, 23 Dec 1999, Thies C. Arntzen wrote: > > > > > > > remember - global variables are usually zeroed when the program loads: > > > > > > > > #include <stdio.h> > > > > int not_reported; > > > > main() > > > > { > > > > int reported; > > > > printf("%d\n",not_reported); > > > > printf("%d\n",reported); > > > > } > > > > > > > > purify will not report not_reported 'cause the crt *will* initialize it to > > > > zero! > > > > > > I think it's a purify bug then. > > > > sorry, you're wrong: > > > > bss section > > ----------- > > > > This section contains zeroed bytes when your program begins running. It is > > used to hold unitialized variables or common storage. The length of each > > partial program's bss section is important, but because it starts out > > containing zeroed bytes there is no need to store explicit zero bytes in > > the object file. The bss section was invented to eliminate those explicit > > zeros from object files. > > This is specific to Solaris, I think. AFAIK, the C standard doesn't say > that globals are zerod if not explicitly initialized (the C++ standard > says that about static member variables, but that's about it). this was taken from the GNU Assembler manual but i also found the reference to this in - tätärätäh -> K&R 4.9 so it's more c-specific that solaris;-)) > > > s/c/s/g ?? you don't use vi every day? could -> should. i think it would be smart if we actually did.. tc > > Huh? > > Zeev > > Thies C. Arntzen "One Big-Mac, Small Fries and a Coke!" Digital Collections Phone +49 40 235350 Fax +49 40 23535180 Hammerbrookstr. 93 20097 Hamburg / Germany