SUSv3 conform on the "comm" and "args" formats, and make correct the "command"

format, since it's BSDlike, and "comm" is actually different.

4 files changed, 41 insertions, 4 deletions

diff --git a/bin/ps/extern.h b/bin/ps/extern.h
index ecb86f0..2ea5724 100644
--- a/bin/ps/extern.h
+++ b/bin/ps/extern.h
@@ -45,6 +45,7 @@ extern int sumrusage, termwidth, totwidth;
 extern VARENT *vhead;
 
 __BEGIN_DECLS
+void	 arguments(KINFO *, VARENT *);
 void	 command(KINFO *, VARENT *);
 void	 cputime(KINFO *, VARENT *);
 int	 donlist(void);
diff --git a/bin/ps/keyword.c b/bin/ps/keyword.c
index 729a7c4..b54cb43 100644
--- a/bin/ps/keyword.c
+++ b/bin/ps/keyword.c
@@ -85,12 +85,14 @@ static VAR var[] = {
 	{"acflag", "ACFLG", NULL, 0, kvar, NULL, 3, KOFF(ki_acflag), USHORT,
 		"x", 0},
 	{"acflg", "", "acflag", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
+	{"args", "COMMAND", NULL, COMM|LJUST|USER, arguments, NULL, 16, 0,
+		CHAR, NULL, 0},
 	{"blocked", "", "sigmask", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
 	{"caught", "", "sigcatch", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
-	{"comm", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16, 0,
+	{"comm", "COMMAND", NULL, LJUST, ucomm, NULL, MAXCOMLEN, 0, CHAR,
+		NULL, 0},
+	{"command", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16, 0,
 		CHAR, NULL, 0},
-	{"command", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16,
-		0, CHAR, NULL, 0},
 	{"cpu", "CPU", NULL, 0, kvar, NULL, 3, KOFF(ki_estcpu), UINT, "d",
 		0},
 	{"cputime", "", "time", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
diff --git a/bin/ps/print.c b/bin/ps/print.c
index f885770..e3c3a3e 100644
--- a/bin/ps/print.c
+++ b/bin/ps/print.c
@@ -91,6 +91,36 @@ printheader(void)
 }
 
 void
+arguments(KINFO *k, VARENT *ve)
+{
+	VAR *v;
+	int left;
+	char *cp, *vis_args;
+
+	v = ve->var;
+
+	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
+		errx(1, "malloc failed");
+	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
+
+	if (ve->next == NULL) {
+		/* last field */
+		if (termwidth == UNLIMITED) {
+			(void)printf("%s", vis_args);
+		} else {
+			left = termwidth - (totwidth - v->width);
+			if (left < 1) /* already wrapped, just use std width */
+				left = v->width;
+			for (cp = vis_args; --left >= 0 && *cp != '\0';)
+				(void)putchar(*cp++);
+		}
+	} else {
+		(void)printf("%-*.*s", v->width, v->width, vis_args);
+	}
+	free(vis_args);
+}
+
+void
 command(KINFO *k, VARENT *ve)
 {
 	VAR *v;
diff --git a/bin/ps/ps.1 b/bin/ps/ps.1
index 43fbdef..80f541d 100644
--- a/bin/ps/ps.1
+++ b/bin/ps/ps.1
@@ -370,8 +370,12 @@ percentage cpu usage (alias pcpu)
 percentage memory usage (alias pmem)
 .It acflag
 accounting flag (alias acflg)
+.It args
+command and arguments
 .It comm
-command and arguments (alias command)
+command 
+.It command
+command and arguments
 .It cpu
 short-term cpu usage factor (for scheduling)
 .It flags