void show_help(const std::string& topic, const std::string& info) {
#ifndef _MSC_VER
// show man page on non-Windows systems
std::string manpage("osmium-");
manpage += topic;
::execlp("man", "man", manpage.c_str(), nullptr);
// if exec fails, fall thru
#endif
// show info string and link on Windows systems
std::cout << info << "\n";
std::cout << "You'll find more documentation at http://osmcode.org/osmium/\n";
}
int main(int argc, char *argv[])
{
int c;
int cmp;
char message[BUFSIZ];
/* Make the program name pretty */
Prog = strrchr(argv[0], '/');
if (Prog == NULL) {
Prog = &argv[0][0];
} else {
++Prog;
}
/* Deal with --help and --man */
if (argc > 1) {
if (
(strcmp(argv[1], "--help") == 0)
||
(strcmp(argv[1], "--man") == 0)
) {
manpage();
exit(0);
}
}
/* One quick sanity check */
if (argc != 3) {
(void) sprintf(message,
"expected 2 strings, got %d.", argc - 1);
usage(message);
exit(1);
}
cmp = strcmp(argv[1], argv[2]);
if (cmp < 0) {
printf("less\n");
} else if (cmp == 0) {
printf("equal\n");
} else {
printf("greater\n");
}
exit(0);
} /* main */
