syscall-test.c

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#define PASS 1
#define FAIL 0

int test_open(void)
{
    printf("open():\n");
    printf("\tOpen existing file - ");
    int fd = open("/applications/shell", O_RDONLY);
    if (fd != -1)
    {
        close(fd);
        printf("PASS\n");
    }
    else
    {
        printf("FAIL - errno %d (%s)\n", errno, strerror(errno));
        return FAIL;
    }

    printf("\tOpen nonexistant file - ");
    int fd2 = open("/applications/penis", O_RDONLY);
    if (fd2 == -1 && errno == ENOENT)
    {
        close(fd2);
        printf("PASS\n");
    }
    else
    {
        printf("FAIL - errno %d (%s)\n", errno, strerror(errno));
        return FAIL;
    }

    printf("\tCreate file - ");
    int fd3 = open("/file-doesnt-exist", O_RDWR | O_CREAT);
    if (fd3 != -1)
    {
        close(fd3);
        printf("PASS\n");
    }
    else
    {
        printf("FAIL - errno %d (%s)\n", errno, strerror(errno));
        return FAIL;
    }

    printf("\tRecycle descriptors - ");
    int fd4 = open("/applications/bash", O_RDWR);
    close(fd4);
    int fd5 = open("/applications/bash", O_RDWR);
    close(fd5);
    if (fd4 == fd5)
    {
        printf("PASS\n");
    }
    else
    {
        printf("FAIL - %d, %d\n", fd4, fd5);
        return FAIL;
    }

    int hahaha = open("/applications/bash", O_RDWR);
    pid_t pid = fork();

    if (pid == -1)
    {
        printf("FAIL - fork failed\n");
        return FAIL;
    }

    if (pid == 0)
    {
        close(hahaha);
        int rofl = open("/applications/bash", O_RDWR);

        printf("%d/%d\n", hahaha, rofl);

        close(rofl);
        exit(0);
    }
    close(hahaha);

    printf("Complete\n");

    while (1)
        ;

    return PASS;
}

int main(int argc, char **argv)
{
    printf("argc: %d, argv[0]: %s, &optind: %x\n", argc, argv[0], &optind);
    while (getopt(
               argc, argv,
               "h?ABC:DEFHIKLNOQ:RST:UVWY:abcdefgijklmo:pr:s:tvwxz") != -1)
    {
        printf("bleh\n");
    }
    printf("optind: %d\n", optind);
    printf("Syscall test starting...\n");

    if (test_open() == PASS)
        return EXIT_SUCCESS;
    else
        return EXIT_FAILURE;
}