Of course there are some differences,
but dealing with those is not a major issue...
And they lead C programs to be more clear, with stronger type management,
more clear function prototypes...
Nothing impossible to manage,
and that is worth managing.
not talking about much better rules and tools to cast pointers.
And I maintain that with modern compilers, and the help of syntax
checking by the compiler,
most C to C++ translation issues can be solved quickly.
By the way, it is a fact that people are already mixing C or C++
programs with C libs, or C++ ones,
and at a time, something impossible in C is possible in C++, like
namespaces.
So that C programmers would not be frustrated by switching to cpp
compilation.
For example, anything you do with pointers in C is possible the same way
in C++.
and you can still program without using any class nor any object if you
are refractory to object programming.
Relying on implicit numerical promotion is always a bad idea, whatever
the language is.
Le 10/09/2014 14:29, Michael Wojcik a écrit :
"Not so bad idea considering that any C program, with modern compilers, can be
compiled as cpp with no problem."
That is wildly incorrect. C and C++ (which is what I assume "cpp" means) are
different languages.
Here's a C program that conforms to ISO 9899-1999. Try compiling it as C++.
-----
#include <stdlib.h>
char *new(void) {return malloc(1);}
int main(void) {new(); return EXIT_SUCCESS;}
-----
C++ has additional keywords, which invade the C application identifier
namespace. It has different syntax and semantics for the void keyword,
particularly in the case of function declarations. It has different semantics
for void* pointers. It has different rules for numeric-parameter promotions.
And so on.
People who think C++ is a superset of C are sadly mistaken, and programmers who
act on that assumption are dangerous.
Michael Wojcik
Technology Specialist, Micro Focus
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