// Return full path of current program
static string myFile()
{
const char *my_name = saved_argv()[0];
if (my_name == 0)
my_name = ddd_NAME;
return cmd_file(my_name);
}
static bool have_cmd(const string& cmd)
{
return cmd_file(cmd).contains('/', 0);
}
// Fetch the X library directory, using xmkmf(1)
static const _XtString xlibdir(Display *display, bool verbose = false)
{
static bool tried = false;
static const _XtString dir = 0;
if (tried)
return dir;
tried = true;
if (!is_cmd_file(cmd_file("xmkmf")))
return dir; // No `xmkmf' in PATH
if (!is_cmd_file(cmd_file("make")))
return dir; // No `make' in PATH
static const char *shell_command =
""
#include "xlibdir.C"
"";
String me, my_class;
XtGetApplicationNameAndClass(display, &me, &my_class);
if (verbose)
{
std::cout << "Checking for X11 library directory... ";
std::cout.flush();
}
const string s1 = "/bin/sh -c " + sh_quote(shell_command);
FILE *fp = popen(s1.chars(), "r");
if (fp == 0)
{
if (verbose)
{
std::cout << strerror(errno) << "\n";
std::cout.flush();
}
return dir;
}
char buffer[PATH_MAX];
buffer[0] = '\0';
fgets(buffer, sizeof(buffer), fp);
pclose(fp);
int len = strlen(buffer);
if (len > 0 && buffer[len - 1] == '\n')
buffer[len - 1] = '\0';
if (buffer[0] == '/') // Sanity check
dir = (String)XtNewString(buffer);
if (verbose)
{
if (dir)
std::cout << dir << "\n";
else
std::cout << "(not found)\n";
std::cout.flush();
}
return dir;
}
