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Postings from April 2013
On Sun, Apr 28, 2013 at 02:39:25PM -0700, Dominic Hargreaves wrote: > "I recently discovered that Devel::Peek's SvREFCNT, SvREFCNT_inc > and SvREFCNT_dec functions are not as flexible as the XS functions that > they wrap. In XS where you wish to get the reference count of an hash > your HV * pointer will cast to an SV * when passed as an argument to > SvREFCNT(). In Perl using Devel::Peek:SvREFCNT(%m) does not return the > reference count of %m, but rather treats %m as a list of arguments to > the function causing a runtime error. I believe the intent of the code was > to return the reference count of the parameter passed and the difference > between Perl Prototypes and C casting was overlooked. > A small patch (attached) will extend these three functions to > work on any perl variable type. This could break code in cases where > users expect an array of one member passed to these functions to operate > on that only member of the array, but for all other data types (and > arrays of any other length) these functions currently croak. Possibly a > new family of functions is warranted to maintain reverse compatibility > in the single element array case in the existing functions, but it is > not my place to make that judgement." Or we could just deprecate/remove them. TonyThread Previous | Thread Next