On Sun, Apr 10, 2005 at 02:02:20PM +0200, Hrvoje Niksic wrote: > It turns out that the alloca declaration that the Autoconf manual[1] > recommends for config.h declares alloca() as returning char *, whereas > the C implementation I use declares it as returning void *. But > regardless of alloca.c, another problem is that, on Linux, stdlib.h > includes alloca.h, which also declares void *alloca(). > > I fixed this problem by changing the declaration from "char > *alloca();" to "void *alloca();". Is there a better fix, or should > the manual be updated for alloca to return void *?
If the GNU C library implements alloca() itself, then it should be declared in /usr/include/alloca.h. Otherwise, if it's implemented by the GNU C compiler only, then I would think it should be declared in a GCC header file (for example /usr/lib/gcc-lib/*/*/include/alloca.h). Regards, James.
