c - about malloc calloc and realloc -

-

possible duplicates:
how malloc() implemented internally?
how free , malloc work in c?

whenever write program using malloc , calloc , realloc varies go , sit, i.e in part of memory go , reside. whether variables (in cases) allotted contiguous space or variables go , sit wherever space available

the requested memory allocated contiguously on heap if enough space available. otherwise, functions return null indicate failure.


Comments

Post a Comment

Popular posts from this blog

c# - Is it possible to remove an existing registration from Autofac container builder? -

-
something along lines: builder.registertype<mytype>().as<itype>(); builder.registertype<mytype2>().as<itype>(); builder.deregistertype<mytype>().as<itype>() var container = builder.build(); var types = container.resolve<ienumerable<itype>>(); assert.istrue(types.count == 1); assert.istrue(types[0].gettype == typeof(mytype2)); scenario: go through bunch of assemblies , go register types want make sure have 1 implementation of given type. need before create container. track on own nice if autofac me bit. this cannot done directly using containerbuilder , unless start on new one. mind you, having first built container should able construct new container filtering away unwanted types , reusing registrations first container. this: ... var container = builder.build(); builder = new containerbuilder(); var components = container.componentregistry.registrations .where(cr => cr.activator.limittype != typ...
Read more

asp.net - RadAsyncUpload in code behind, how to? -

-
my problem is, nothing happens, code behind doesn't fire...maybe point me in right direction. possible or totaly wrong here? default.aspx: <telerik:radprogressmanager runat="server" id="radprogressmanager1" /> <telerik:radasyncupload runat="server" id="asyncupload1" /> <telerik:radprogressarea runat="server" id="radprogressarea1" /> default.aspx.cs: protected void asyncupload1_fileuploaded(object sender, fileuploadedeventargs e) { const string relativepath = "~/uploads/"; var filename = e.file.filename; var parentid = convert.toint32(gridview1.selectedvalue); var filesize = convert.toint32(e.file.contentlength); var physicalsavepath = mappath(relativepath) + filename; //store file info in database var app_filesadapter = new app_filestableadapter(); app_filesadapter.insert(filename, relativep...
Read more