shared.c: use die_errno() where appropriate

This replaces some code that is re-implementing die_errno by just
calling the function.

Signed-off-by: John Keeping <john@keeping.me.uk>
This commit is contained in:
John Keeping 2013-05-18 16:21:36 +01:00 committad av Jason A. Donenfeld
förälder 1fec7cd6f8
incheckning 1e9f1ee64e

Visa fil

@ -15,21 +15,21 @@ struct cgit_context ctx;
int chk_zero(int result, char *msg)
{
if (result != 0)
die("%s: %s", msg, strerror(errno));
die_errno("%s", msg);
return result;
}
int chk_positive(int result, char *msg)
{
if (result <= 0)
die("%s: %s", msg, strerror(errno));
die_errno("%s", msg);
return result;
}
int chk_non_negative(int result, char *msg)
{
if (result < 0)
die("%s: %s", msg, strerror(errno));
die_errno("%s", msg);
return result;
}
@ -468,8 +468,7 @@ int cgit_open_filter(struct cgit_filter *filter)
chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
"Unable to use pipe as STDIN");
execvp(filter->cmd, filter->argv);
die("Unable to exec subprocess %s: %s (%d)", filter->cmd,
strerror(errno), errno);
die_errno("Unable to exec subprocess %s", filter->cmd);
}
close(filter->pipe_fh[0]);
chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO),