bool begins(char* longer, char* shorter) {
int len = strlen(shorter);
char dest[len +1];
strncpy(dest, &longer[0], len);
dest[len] = '\0';
return sequals(dest, shorter);
}
/**
* shell function
*/
int shell() {
debug("shell init");
checkLogin();
char input[MAXLENGTH];
for (;;) {
printf("%s>", getUser());
read_line(input);
if (sequals(input, "exit")) {
debug("shut down");
shellExit();
} else if (begins(input, "set ")) {
debug("exec set cmd");
parseSet(input + 4);
} else if (begins(input, "list ")) {
debug("exec list cmd");
parseList(input + 5);
} else if (begins(input, "search ")) {
debug("exec find cmd from search");
find(input + 7);
} else if (begins(input, "find ")) {
debug("exec find cmd");
find(input + 5);
} else if (begins(input, "buy ")) {
debug("exec buy cmd");
buy(input + 4);
} else if (begins(input, "help")) {
debug("exec help cmd");
printInternHelp();
} else if (begins(input, "balance")) {
debug("exec balance cmd");
balanceUser();
} else {
debug("no match found in shell");
printf("Don't know what you mean...\n");
}
}
return 0;
}