#include "util.h"

char *basename(const char *path) {
    const char *p;

    if (p = strrchr(path, '/'))
        return p+1;

    return path;
}

ssize_t loop_read(int FILEDES, void *BUFFER, size_t SIZE) {
    int c = 0;
    
    while (SIZE > 0) {
        int r = read(FILEDES, BUFFER, SIZE);

        if (r <= 0)
            break;

        SIZE -= r;
        c += r;
        BUFFER = ((void*) (((char*) BUFFER) + r));
    }

    return c;
}

ssize_t loop_write(int FILEDES, const void *BUFFER, size_t SIZE) {
    int c = 0;
    
    while (SIZE > 0) {
        int r = write(FILEDES, BUFFER, SIZE);

        if (r <= 0)
            break;

        SIZE -= r;
        c += r;
        BUFFER = ((void*) (((char*) BUFFER) + r));
    }

    return c;
}