C++Talk.NET C++ language newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  va_arg only for bult-in types?          C++Talk.NET Forum Index -> C++ language (comp.lang.c++) View previous topic :: View next topic   Author Message Derek Baker Guest Posted: Tue Sep 27, 2005 5:19 pm    Post subject: va_arg only for bult-in types? I have this code which compiles on the MINGW version of GCC 3.4.2: vector<string> Labels ; va_list va_Labels; va_start(va_Labels, Number); for(int i= 0; i< Number; ++i) { Labels.push_back(va_arg(va_Labels, string)); } va_end(va_Labels); It compiles, but cause a segmentation fault when run. I have similar code that extracts ints and it runs fine. -- Derek Back to top Victor Bazarov Guest Posted: Tue Sep 27, 2005 5:32 pm    Post subject: Re: va_arg only for bult-in types? Derek Baker wrote: Quote: I have this code which compiles on the MINGW version of GCC 3.4.2: vector<string> Labels ; va_list va_Labels; va_start(va_Labels, Number); for(int i= 0; i< Number; ++i) { Labels.push_back(va_arg(va_Labels, string)); } va_end(va_Labels); It compiles, but cause a segmentation fault when run. I have similar code that extracts ints and it runs fine. To answer the question in the subject line, yes, only for built-in types. V Back to top Derek Baker Guest Posted: Tue Sep 27, 2005 5:33 pm    Post subject: Re: va_arg only for bult-in types? Derek Baker wrote: Quote: I have this code which compiles on the MINGW version of GCC 3.4.2: vector<string> Labels ; va_list va_Labels; va_start(va_Labels, Number); for(int i= 0; i< Number; ++i) { Labels.push_back(va_arg(va_Labels, string)); } va_end(va_Labels); It compiles, but cause a segmentation fault when run. I have similar code that extracts ints and it runs fine. It is on the "Labels.push_back(va_arg(va_Labels, string));" line that the fault occurs. -- Derek Back to top Derek Baker Guest Posted: Tue Sep 27, 2005 5:54 pm    Post subject: Re: va_arg only for bult-in types? Victor Bazarov wrote: Quote: Derek Baker wrote: I have this code which compiles on the MINGW version of GCC 3.4.2: vector<string> Labels ; va_list va_Labels; va_start(va_Labels, Number); for(int i= 0; i< Number; ++i) { Labels.push_back(va_arg(va_Labels, string)); } va_end(va_Labels); It compiles, but cause a segmentation fault when run. I have similar code that extracts ints and it runs fine. To answer the question in the subject line, yes, only for built-in types. V Thanks Victor, it's running now with C strings. -- Derek Back to top Ron Natalie Guest Posted: Fri Sep 30, 2005 7:36 pm    Post subject: Re: va_arg only for bult-in types? Derek Baker wrote: Quote: I have this code which compiles on the MINGW version of GCC 3.4.2: It doesn't have to be a built in type, it can be a class as long as the class is POD. Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         C++Talk.NET Forum Index -> C++ language (comp.lang.c++) All times are GMT Page 1 of 1   Jump to: Select a forum C/C++----------------C LanguageC Language (Moderated)C++ Language (Moderated)C++ language (comp.lang.c++)C++ language, library and standards Non-English C/C++ Newsgroups----------------C++ (German)C++ (French)  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2006 phpBB Group SEO toolkit © 2004-2006 webmedic.