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Use die_errno() instead of die() when checking syscalls

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Lots of die() calls did not actually report the kind of error, which
can leave the user confused as to the real problem.  Use die_errno()
where we check a system/library call that sets errno on failure, or
one of the following that wrap such calls:

  Function              Passes on error from
  --------              --------------------
  odb_pack_keep         open
  read_ancestry         fopen
  read_in_full          xread
  strbuf_read           xread
  strbuf_read_file      open or strbuf_read_file
  strbuf_readlink       readlink
  write_in_full         xwrite

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Thomas Rast
2009-06-27 17:58:47 +02:00
committed by Junio C Hamano
parent d824cbba02
commit 0721c314a5
30 changed files with 79 additions and 74 deletions
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2
combine-diff.c
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@ -746,7 +746,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
done = read_in_full(fd, result, len);
if (done < 0)
die("read error '%s'", elem->path);
die_errno("read error '%s'", elem->path);
else if (done < len)
die("early EOF '%s'", elem->path);