src/usr.bin/m4/expr.c, branch stable/14

m4: Misc style fixes

2026-04-02T09:47:59+00:00

MFC after:	1 week

Reviewed by:	fuz
Differential Revision:	https://reviews.freebsd.org/D55794

(cherry picked from commit 41474e78c493184f023723d1f86539e07bb01b92)

Remove $FreeBSD$: one-line .c pattern

2023-08-16T17:54:42+00:00

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

More -Wmissing-variable-declarations fixes.

2012-10-20T10:33:15+00:00

In addition to adding missing `static' keywords:
- bin/dd: Pull in `extern.h' to guarantee consistency with source file.
- libexec/rpc.rusersd: Move shared globals into an extern.h.
- libexec/talkd: Move `debug' and `hostname' into extern.h.
- usr.bin/cksum: Put counters in extern.h, as they are used by ckdist/mtree.
- usr.bin/m4: Move `end_result' into extern.h.
- usr.sbin/services_mkdb: Move shared globals into an extern.h.

Synchronize with laster version of m4 from OpenBSD and NetBSD

2011-11-28T13:32:39+00:00

This bring better compatibility with gnum4

Reviewed by:	cognet
Approved by:	cognet
Obtained from:	OpenBSD, NetBSD

Fix build of m4 with WARNS=6.

2011-10-16T08:09:17+00:00

Change the parser; rename `exp' to `exponent' not to collide with exp(3).

Remove the advertising clause from UCB copyrighted files in usr.bin. This

2010-12-11T08:32:16+00:00

is in accordance with the information provided at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

Also add $FreeBSD$ to a few files to keep svn happy.

Discussed with:	imp, rwatson

Fix m4 to properly handle bitwise operators &, ^, and |. Fix operator

2004-05-01T03:59:43+00:00

precedence. Add short-circuit evaluation.

PR:		bin/60914
Reviewed by:	petef
Discussed with:	jeff, petef

When we appear to want a signed value from sizeof(), use ssize_t in the cast,

2002-10-30T15:50:00+00:00

rather than int.

Kill extraneous whitespace.

2002-07-15T02:15:12+00:00

Functions declared as () should be declared as

2002-07-14T02:03:23+00:00

 () in ANSI C.