linux c 获得当前进程的进程名和执行路径(示例)

#include

#include

#include

#include

size_t get_executable_path( char* processdir,char* processname, size_t len)

{

        char* path_end;

        if(readlink("/proc/self/exe", processdir,len) <=0)

                return -1;

        path_end = strrchr(processdir,  '/');

        if(path_end == NULL)

                return -1;

        ++path_end;

        strcpy(processname, path_end);

        *path_end = '\0';

        return (size_t)(path_end - processdir);

}

int main()

{

        char path[PATH_MAX];

        char processname[1024];

        get_executable_path(path, processname, sizeof(path));

        printf("directory:%s\nprocessname:%s\n",path,processname);

}