From 68c89f4a437739857ef6fc9627a30ccc69fd8751 Mon Sep 17 00:00:00 2001
From: Jacob Moody <moody@posixcafe.org>
Date: Fri, 27 Dec 2024 19:29:34 +0000
Subject: [PATCH] acid: remove outdated 8.out binary default (thanks Tekk)

---
 sys/man/1/acid          | 16 +++++-----------
 sys/src/cmd/acid/main.c |  6 ++++--
 2 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/sys/man/1/acid b/sys/man/1/acid
index 670e65bcd..3cab0ad15 100644
--- a/sys/man/1/acid
+++ b/sys/man/1/acid
@@ -12,10 +12,7 @@ acid, truss, trump \- debugger
 .B -m
 .I machine
 ] [
-.I pid
-]
-[
-.I textfile
+.I pid | textfile | pid textfile
 ]
 .PP
 .B acid
@@ -27,10 +24,7 @@ acid, truss, trump \- debugger
 .B -l
 .B trump
 [
-.I pid
-]
-[
-.I textfile
+.I pid | textfile | pid textfile
 ]
 .SH DESCRIPTION
 .I Acid
@@ -38,9 +32,9 @@ is a programmable symbolic debugger.
 It can inspect one or more processes that share an address space.
 A program to be debugged may be specified by the process id of
 a running or defunct process,
-or by the name of the program's text file 
-.RB ( 8.out
-by default).
+or by the name of the program's text file. Both a pid and a file
+may be specified to supply debugging information for a process
+ran from a stripped binary.
 At the prompt,
 .I acid
 will store function definitions or print the value of expressions.
diff --git a/sys/src/cmd/acid/main.c b/sys/src/cmd/acid/main.c
index a69fd2ed7..8f513199b 100644
--- a/sys/src/cmd/acid/main.c
+++ b/sys/src/cmd/acid/main.c
@@ -23,7 +23,7 @@ void	loadmoduleobjtype(void);
 void
 usage(void)
 {
-	fprint(2, "usage: acid [-kqw] [-l library] [-m machine] [pid] [file]\n");
+	fprint(2, "usage: acid [-kqw] [-l library] [-m machine] [pid | textfile | pid textfile]\n");
 	exits("usage");
 }
 
@@ -37,7 +37,7 @@ main(int argc, char *argv[])
 
 	argv0 = argv[0];
 	pid = 0;
-	aout = "8.out";
+	aout = nil;
 	quiet = 1;
 
 	mtype = 0;
@@ -81,6 +81,8 @@ main(int argc, char *argv[])
 			}
 			aout = argv[0];
 		}
+	} else {
+		usage();
 	}
 
 	fmtinstall('x', xfmt);