John Hein wrote at 10:22 -0700 on Nov 22, 2015:
Use 'size=%zu'. And get into the habit of compiling with -Wall
1) My apology for inaccuracy.
2) Usually, I use -Wall, but omits it for brevity.
3) GCC cannot warn for "%zu" - "%lu" mismatch. But it can
warn if I confuse "%u" with "%s".
4) The problem is still here:
--------------- begin of the code
#include <stdio.h>
#include <boost/asio.hpp>
int main()
{
boost::asio::ip::address_v4 a;
boost::system::error_code ec;
a.from_string("127.0.0.1111", ec);
std::string s = ec.message();
printf("size=%zu, c_str=\"%s\".\n",
s.size(),
s.c_str());
return 0;
}
--------------- end of the code
--------------- begin of the output
size=6444086549, c_str="Invalid argument".
--------------- end of the output
Windows 7, 64-bit, russian language.
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