From: Paul Eggert <eggert@cs.ucla.edu>
To: bug-gnulib@gnu.org
Cc: Paul Eggert <eggert@cs.ucla.edu>
Subject: [PATCH] idx: new printf/scanf length modifier macro
Date: Mon, 14 Jun 2021 16:47:48 -0700 [thread overview]
Message-ID: <20210614234748.41764-1-eggert@cs.ucla.edu> (raw)
* lib/idx.h (pIDX): New macro.
---
ChangeLog | 5 +++++
lib/idx.h | 4 ++++
2 files changed, 9 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index b98de6bf6..4e8242ade 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2021-06-14 Paul Eggert <eggert@cs.ucla.edu>
+
+ idx: new printf/scanf length modifier macro
+ * lib/idx.h (pIDX): New macro.
+
2021-06-13 Bruno Haible <bruno@clisp.org>
Align 2011-11-26 patch to 2021-04-11 patch (regression from 2021-04-11).
diff --git a/lib/idx.h b/lib/idx.h
index 483587eab..28fd4ea72 100644
--- a/lib/idx.h
+++ b/lib/idx.h
@@ -107,6 +107,10 @@ typedef ptrdiff_t idx_t;
/* IDX_MAX is the maximum value of an idx_t. */
#define IDX_MAX PTRDIFF_MAX
+/* A printf/scanf length modifier for idx_t. For example, if i is an idx_t,
+ printf ("i = %"pIDX"d\n", i) outputs i's value. */
+#define pIDX "t"
+
/* So far no need has been found for an IDX_WIDTH macro.
Perhaps there should be another macro IDX_VALUE_BITS that does not
count the sign bit and is therefore one less than PTRDIFF_WIDTH. */
--
2.30.2
next reply other threads:[~2021-06-14 23:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-14 23:47 Paul Eggert [this message]
2021-06-15 0:55 ` [PATCH] idx: new printf/scanf length modifier macro Bruno Haible
2021-06-15 17:32 ` Paul Eggert
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://lists.gnu.org/mailman/listinfo/bug-gnulib
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210614234748.41764-1-eggert@cs.ucla.edu \
--to=eggert@cs.ucla.edu \
--cc=bug-gnulib@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).