Re: lua crashing on unrecognized strings

[Roberto Ierusalimschy <roberto@...>]

> * On 2009-08-24 Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> wrote  :
> 
> > > Using the lua.exe interpreter provided with Lua for Windows, passing any 
> > > letter to (os.date("%"..letter)) other than a-d, j, m, p, w-z, A, B, H, I, 
> > > M, S, U, or W-Z is causing to crash (as in "has encountered a problem and 
> > > needs to close" crash). This also happens when calling io.open with any 
> > > undefined format string.
> > 
> > In 5.2 we'll be limited to the directives listed in ANSI C, even if the
> > underlying C library supports the full POSIX set. Sad, I know.
> 
> Would it not be possible to make this configurable at build time ? If
> the 'posix' target is chosen to build the lua sources, it would be sane
> to allow POSIX directives to be used, imho.

It will be. luaconf.h will have the following macros that control the
valid options:

  #define LUA_STRFTIMEOPTIONS     "aAbBcdHIjmMpSUwWxXyYz%"
  #define LUA_STRFTIMEPREFIX      ""


-- Roberto