diff options
| -rw-r--r-- | xsc_debug.cpp | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/xsc_debug.cpp b/xsc_debug.cpp index adf7a15..e111b09 100644 --- a/xsc_debug.cpp +++ b/xsc_debug.cpp @@ -1,5 +1,4 @@ #include <iostream> -#include <cstdlib> #include <cmath> using namespace std; @@ -7,34 +6,22 @@ void usage() { // Prints usage message (help) system("figlet XSC | lolcat"); cout << "\neXtremelySimpleCalculator usage:\n" - << "`xsc --help` for help\n" - << "`xsc <number> <(+|-|*|/|%|^)> <number>` for basic operation calculating\n" - << "`xsc -r|--sqrt <number>` for square root calculation\n"; + << "`xsc --help | -h` for help\n" + << "`xsc <number> <(+|-|*|/|%|^)> <number>`\n" } int main(int argc, char* argv[]) { - if (argv[1] == "--help" || argv[1] == "-h") { + if (argc > 1 && (argv[1] == "--help" || argv[1] == "-h")) { usage(); return 0; } else { - if (argv[2][0] == '+') { cout << atof(argv[1]) + atof(argv[3]); } + if (argc > 1 && argv[2][0] == '+') { cout << atof(argv[1]) + atof(argv[3]); } else if (argv[2][0] == '-') { cout << atof(argv[1]) - atof(argv[3]); } else if (argv[2][0] == '*') { cout << atof(argv[1]) * atof(argv[3]); } else if (argv[2][0] == '/') { cout << atof(argv[1]) / atof(argv[3]); } else if (argv[2][0] == '%') { cout << fmod(atof(argv[1]), atof(argv[3])); } else if (argv[2][0] == '^') { cout << pow(atof(argv[1]), atof(argv[3])); } - - // Let's not SIGSEGV here for god's sake (a.k.a. square rooting my lif) - else if (argv[1] == "-r" || argv[1] == "--sqrt") { - if (argv[2] != NULL) { - cout << sqrt(atof(argv[2])); - } - else { - cout << "[!] error: missing argument for sqrt operation\n"; - cout << "debugInfo: argv[2] = " << argv[2] << "\n"; - } - } } return 0; } |