utils.c

#include "include/definitions.h"

#ifdef WIN32
#include <windows.h>
#else
#include <sys/time.h>
#endif

int getTimeInMiliseconds() {
    #ifdef WIN32   
        return GetTickCount();
    #else 
        struct timeval t;
        gettimeofday(&t, NULL);
        return t.tv_sec * 1000  + t.tv_usec / 1000;
    #endif
}

int inputWaiting() {
    #ifndef WIN32
        fd_set readfds;
        struct timeval tv;
        FD_ZERO(&readfds);
        FD_SET(fileno(stdin), &readfds);
        tv.tv_sec = 0; tv.tv_usec = 0;
        select(16, &readfds, 0, 0, &tv);

        return (FD_ISSET(fileno(stdin), &readfds));
    #else
        static int init = 0, pipe;
        static HANDLE inh;
        DWORD dw;

        if (!init) {
            init = 1;
            inh = GetStdHandle(STD_INPUT_HANDLE);
            pipe = !GetConsoleMode(inh, &dw);
            if (!pipe) {
                SetConsoleMode(inh, dw & ~(ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT));
                FlushConsoleInputBuffer(inh);
            }
        }
        if (pipe) {
            if (!PeekNamedPipe(inh, NULL, 0, NULL, &dw, NULL)) return 1;
            return dw;
        }
        else {
            GetNumberOfConsoleInputEvents(inh, &dw);
            return dw <= 1 ? 0 : dw;
        }
    #endif
}


void readInput(searchInfo *info) {
    int bytes;
    char input[256] = { " " };
    char* endc;

    if(inputWaiting()) {
        info -> stopped = TRUE;
        do {
            bytes = read(fileno(stdin), input, 256);
        }while(bytes < 0);
        endc = strchr(input, '\n');
        if(endc) {
            *endc = 0;
        }

        if(strlen(input) > 0) {
            if(!strncmp(input, "quit", 4)) {
                info -> quit = TRUE;
            }
        }
        return;
    }
}