RFC V2 [1/2] test-in-container

Andreas Schwab schwab@linux-m68k.org
Wed Feb 28 16:46:00 GMT 2018


On Feb 28 2018, Florian Weimer <fweimer@redhat.com> wrote:

> On 02/27/2018 10:09 PM, Andreas Schwab wrote:
>>> +static void
>>> +copy_one_file (const char *sname, const char *dname)
>>> +{
>>> +  int sfd, dfd;
>>> +  char buf[512];
>>> +  size_t rsz;
>>> +  struct stat st;
>>> +  struct utimbuf times;
>>> +
>>> +  sfd = open (sname, O_RDONLY);
>>> +  if (sfd < 0)
>>> +    {
>>> +      printf ("unable to open %s for reading\n", sname);
>>> +      perror ("the error was");
>
>> That doesn't work, the printf call can clobber errno.  Use error instead.
>
> Doesn't error print to standard error?

perror does, too.

> %m is another option.

Or strerror.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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