Attachment 595770 Details for Bug 604181 – test program, to be run in PV guest

test program, to be run in PV guest

checkcd.c (text/x-c), 1.78 KB, created by Laszlo Ersek on 2012-07-02 16:44:46 UTC

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Creator: Laszlo Ersek

Created: 2012-07-02 16:44:46 UTC

Size: 1.78 KB

patch

obsolete

>/*
>  Copyright (C) 2012 Red Hat Inc.
>  Written by Laszlo Ersek <lersek@redhat.com>
>  GPLv3+
>
>  Compile with
>  gcc -o checkcd -std=c99 -ansi -pedantic -Wall -Wextra checkcd.c
>*/
>
>#define _XOPEN_SOURCE 600
>
>#include <stdlib.h>      /* EXIT_FAILURE */
>#include <string.h>      /* strrchr() */
>#include <stdio.h>       /* fprintf() */
>#include <fcntl.h>       /* open() */
>#include <errno.h>       /* errno */
>#include <unistd.h>      /* close() */
>
>/* Linux/glibc-specific */
>#include <sys/ioctl.h>   /* ioctl() */
>#include <linux/cdrom.h> /* CDROM_GET_CAPABILITY */
>
>static const char *pname;
>
>int
>main(int argc, char **argv)
>{
>  int ret;
>
>  ret = EXIT_FAILURE;
>  pname = strrchr(argv[0], '/');
>  pname = pname ? pname + 1 : argv[0];
>
>  if (2 != argc) {
>    (void)fprintf(stderr, "%s: pathname of CD-ROM device node required as"
>        " sole argument\n", pname);
>  }
>  else {
>    int fd;
>
>    fd = open(argv[1], O_RDONLY | O_NOCTTY);
>    if (-1 == fd) {
>      (void)fprintf(stderr, "%s: open(\"%s\"): %s\n", pname, argv[1],
>          strerror(errno));
>    }
>    else {
>      int caps;
>
>      caps = ioctl(fd, CDROM_GET_CAPABILITY);
>      if (-1 == caps) {
>        (void)fprintf(stderr, "%s: ioctl(\"%s\"): %s\n", pname, argv[1],
>            strerror(errno));
>      }
>      else {
>        (void)fprintf(stdout, "%s: capabilities for \"%s\": 0x%08X\n", pname,
>            argv[1], (unsigned)caps);
>
>        if (EOF == fflush(stdout)) {
>          (void)fprintf(stderr, "%s: fflush(stdout): %s\n", pname,
>              strerror(errno));
>        }
>        else {
>          ret = EXIT_SUCCESS;
>        }
>      }
>
>      if (-1 == close(fd) && EXIT_SUCCESS == ret) {
>        (void)fprintf(stderr, "%s: close(\"%s\"): %s\n", pname, argv[1],
>            strerror(errno));
>        ret = EXIT_FAILURE;
>      }
>    }
>  }
>  return ret;
>}

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Attachments on bug 604181: 424179 | 595765 | 595770 | 595806