From 9c30fbf0187015cda63620d9043655915f7872f9 Mon Sep 17 00:00:00 2001
From: sin <sin@2f30.org>
Date: Sat, 21 Feb 2015 09:30:08 +0000
Subject: [PATCH] Add ls -A implementation

Thanks joshua@cubesolving.com!
---
 README |  2 +-
 ls.1   |  6 ++++--
 ls.c   | 11 +++++++++--
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/README b/README
index fdd81df..cc3869e 100644
--- a/README
+++ b/README
@@ -41,7 +41,7 @@ The following tools are implemented ('*' == finished, '#' == UTF-8 support,
 =* ln              yes                          none
 =* logger          yes                          none
 =* logname         yes                          none
-=  ls              no                           -A, (-C), -R, -S, -f, -m, -n, -s, -x
+=  ls              no                           (-C), -R, -S, -f, -m, -n, -s, -x
 =* md5sum          non-posix                    none
 =* mkdir           yes                          none
 =* mkfifo          yes                          none
diff --git a/ls.1 b/ls.1
index d46e97c..841e1bb 100644
--- a/ls.1
+++ b/ls.1
@@ -1,4 +1,4 @@
-.Dd February 18, 2015
+.Dd February 21, 2015
 .Dt LS 1
 .Os sbase
 .Sh NAME
@@ -6,7 +6,7 @@
 .Nd list directory contents
 .Sh SYNOPSIS
 .Nm
-.Op Fl 1acdFHhiLlqrtUu
+.Op Fl 1AacdFHhiLlqrtUu
 .Op Ar file ...
 .Sh DESCRIPTION
 .Nm
@@ -14,6 +14,8 @@ lists each given file, and the contents of each given directory. If no files
 are given the current directory is listed.
 .Sh OPTIONS
 .Bl -tag -width Ds
+.It Fl A
+List all entries except for '.' and '..'.
 .It Fl a
 Show hidden files (those beginning with '.').
 .It Fl c
diff --git a/ls.c b/ls.c
index 8d2c3f6..5db22d8 100644
--- a/ls.c
+++ b/ls.c
@@ -24,6 +24,7 @@ struct entry {
 	ino_t   ino;
 };
 
+static int Aflag = 0;
 static int aflag = 0;
 static int cflag = 0;
 static int dflag = 0;
@@ -204,8 +205,11 @@ lsdir(const char *path)
 	}
 
 	while ((d = readdir(dp))) {
-		if (d->d_name[0] == '.' && !aflag)
+		if (d->d_name[0] == '.' && !aflag && !Aflag)
 			continue;
+		else if (Aflag)
+			if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0)
+				continue;
 		if (Uflag){
 			mkent(&ent, d->d_name, Fflag || lflag || pflag || iflag, Lflag);
 			output(&ent);
@@ -256,7 +260,7 @@ ls(const struct entry *ent)
 static void
 usage(void)
 {
-	eprintf("usage: %s [-1acdFHhiLlqrtUu] [file ...]\n", argv0);
+	eprintf("usage: %s [-1AacdFHhiLlqrtUu] [file ...]\n", argv0);
 }
 
 int
@@ -269,6 +273,9 @@ main(int argc, char *argv[])
 	case '1':
 		/* ignore */
 		break;
+	case 'A':
+		Aflag = 1;
+		break;
 	case 'a':
 		aflag = 1;
 		break;