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c++ - warnings reported during compile for STL prototypes
Hi! Been having fun with your product. As I use the IDE I notice some interesting "features" that I like very much. But then I don't usually us an IDE so... but anyway, I like the point at line in far left of window selects the line. I like the ctrl-right arrow recognizes first parameter in function parameter lists ( no more abcfun( int i) and can do abcfun(int i) - notice the space!). There are some others, like keeping windows open between opening a project.. etc. Ok, I do have a question: I enabled exception handling in my application, and started getting some odd warnings from my main.cpp file during a compile. When I turn off exception handling, this goes away. sc Main.cpp -Ae -mn -C -WA -S -3 -a8 -c -gf -D_CONSOLE=1 -D_MT=1 -oMain.obj Warning: D:\APPS\DIGITAL_MARS\AUDITOR\Main.cpp(55): implied return of __uninitialized_copy_aux at closing '}' does not return value Warning: D:\APPS\DIGITAL_MARS\AUDITOR\Main.cpp(55): implied return of vector<Connection ,__default_alloc_template<1,0> >::_M_allocate_and_copy at closing '}' does not return value Warning: D:\APPS\DIGITAL_MARS\AUDITOR\Main.cpp(55): implied return of __uninitialized_fill_n_aux at closing '}' does not return value Warning: D:\APPS\DIGITAL_MARS\AUDITOR\Main.cpp(55): implied return of __uninitialized_copy_aux at closing '}' does not return value Lines Processed: 258921 Errors: 0 Warnings: 4 Successful build I've tried a few things (reorganizing includes - changing calling convention, adding copy c'tor to classes - turning off auto prototyping), but no success. Its clear that the definition of these functions are like: blahclass(type1 t, type2 t1) And the compiler is giving them a defualt prototype form like int blahclass(type1 t, type2 t1) Any ideas?? Richard Oct 22 2002
In article <ap3tjt$2b74$1 digitaldaemon.com>, fractal clark.net says...
I tried to isolate the problem a little.. so here's the source:
//vectortest.h
include <vector>
class in
{
public:
in() { }
in(const in& i) { }
~in() { }
};
class test
{
public:
test() { }
~test() { }
private:
vector<in> g;
};
//vectortest.cpp
#include "vectortest.h"
void doit()
{
test t;
}
I put these into a new project with defualt settings and compiled the cpp file.
It built with no errors or warnings. Then I checked the Exception Handling box
on compiler options and rebuilt. The response follows. I also tried the -EH
option suggested in the compiler tools and reference.. but no joy. I'm pretty
sure its innocuous, but I hate releasing code with warnings.
sc vectortest.cpp -Ae -Ar -Aa -r -mn -C -WA -S -3 -a8 -c -gf -D_CONSOLE=1
-ovectortest.obj
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
__uninitialized_copy_aux at closing '}' does not return value
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
vector<in ,__default_alloc_template<0,0> >::_M_allocate_and_copy at closing '}'
does not return value
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
__uninitialized_fill_n_aux at closing '}' does not return value
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
__uninitialized_copy_aux at closing '}' does not return value
Lines Processed: 4694 Errors: 0 Warnings: 4
Successful build
Richard
Oct 22 2002
In article <ap3tjt$2b74$1 digitaldaemon.com>, fractal clark.net says...
I tried to isolate the problem a little.. so here's the source:
//vectortest.h
include <vector>
class in
{
public:
in() { }
in(const in& i) { }
~in() { }
};
class test
{
public:
test() { }
~test() { }
private:
vector<in> g;
};
//vectortest.cpp
#include "vectortest.h"
void doit()
{
test t;
}
I put these into a new project with defualt settings and compiled the cpp file.
It built with no errors or warnings. Then I checked the Exception Handling box
on compiler options and rebuilt. The response follows. I also tried the -EH
option suggested in the compiler tools and reference.. but no joy. I'm pretty
sure its innocuous, but I hate releasing code with warnings.
sc vectortest.cpp -Ae -Ar -Aa -r -mn -C -WA -S -3 -a8 -c -gf -D_CONSOLE=1
-ovectortest.obj
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
__uninitialized_copy_aux at closing '}' does not return value
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
vector<in ,__default_alloc_template<0,0> >::_M_allocate_and_copy at closing '}'
does not return value
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
__uninitialized_fill_n_aux at closing '}' does not return value
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
__uninitialized_copy_aux at closing '}' does not return value
Lines Processed: 4694 Errors: 0 Warnings: 4
Successful build
Richard
Oct 22 2002
In article <ap3tjt$2b74$1 digitaldaemon.com>, fractal clark.net says...
I tried to isolate the problem a little.. so here's the source:
//vectortest.h
include <vector>
class in
{
public:
in() { }
in(const in& i) { }
~in() { }
};
class test
{
public:
test() { }
~test() { }
private:
vector<in> g;
};
//vectortest.cpp
#include "vectortest.h"
void doit()
{
test t;
}
I put these into a new project with defualt settings and compiled the cpp file.
It built with no errors or warnings. Then I checked the Exception Handling box
on compiler options and rebuilt. The response follows. I also tried the -EH
option suggested in the compiler tools and reference.. but no joy. I'm pretty
sure its innocuous, but I hate releasing code with warnings.
sc vectortest.cpp -Ae -Ar -Aa -r -mn -C -WA -S -3 -a8 -c -gf -D_CONSOLE=1
-ovectortest.obj
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
__uninitialized_copy_aux at closing '}' does not return value
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
vector<in ,__default_alloc_template<0,0> >::_M_allocate_and_copy at closing '}'
does not return value
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
__uninitialized_fill_n_aux at closing '}' does not return value
Warning: D:\APPS\DIGITAL_MARS\test2\vectortest.cpp(10): implied return of
__uninitialized_copy_aux at closing '}' does not return value
Lines Processed: 4694 Errors: 0 Warnings: 4
Successful build
Richard
Oct 22 2002
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