Am 14.12.2010 19:36, schrieb Alan Coopersmith: > walter harms wrote: >> >> Am 14.12.2010 01:40, schrieb Alan Coopersmith: >>> Like asprintf() but using XtMalloc() to tie into the Xt memory allocation >>> and error handling subsystems. >> >> should that have a "#ifndef HAVE_ASPRINTF" ? when the system has asprintf >> why no use it ? > > Because the system asprintf() uses malloc, and we need to use XtMalloc() so > that the Xt error handlers are called on failure (notice that Xt never checks > for failure, since failure in Xt is considered fatal, but the program can > provide an error handler for cleanup before exiting), and so that programs > can call XtFree() on the returned string without worrying about which memory > allocation library was used to allocate it (apparently a bigger problem on > Windows, but I can build Unix environments with different memory allocators > for different libraries - I just don't recommend trying it). >
ok, i understand XtMalloc() will never fail. re, wh _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
