我想在运行时获取OS X的工作可执行文件目录。我在下面找到了这段代码,但我不知道如何将const path
用作字符串。它抱怨说:
testingtesting.cxx:7:30: warning: format specifies type 'char *' but the
argument has type 'const char **' [-Wformat]
printf("path is : %s\n", path);
我想将const char **
路径指定为字符串。以下是代码:
#include <stdlib.h>
#include <stdio.h>
#include <string>
#include <iostream>
using namespace std;
int main (int argc, const char *argv[], const char *env[], const char *path[]) {
// path[0] now contains the path to the executable
// NOT PORTABLE! OS X ONLY!
std::string s = path.c_str();
printf("path is : %s\n", s);
return 0;
}
答案 0 :(得分:3)
变化:
std::string s = path.c_str();
printf("path is : %s\n", s);
为:
std::string s(path[0]); // create C++ std::string and initialise
// from C string `path[0]`
std::cout << "path is : " << s << std::endl;