From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Mon, 18 Dec 2006 14:20:01 +0000 (-0000)
Subject: ps: fix buglet, add microoptimization
X-Git-Tag: 1_4_0~231
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6dca70a04908f190c63ca76853ec2e7e0ea20c06;p=platform%2Fupstream%2Fbusybox.git

ps: fix buglet, add microoptimization
---

diff --git a/procps/ps.c b/procps/ps.c
index e18bd2a..12f6b65 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -216,18 +216,16 @@ static void format_process(const procps_status_t *ps)
 		// POSIX: Any field need not be meaningful in all
 		// implementations. In such a case a hyphen ( '-' )
 		// should be output in place of the field value.
-		if (!*p) {
-			*p++ = '-';
-			*p = '\0';
+		if (!p[0]) {
+			p[0] = '-';
+			p[1] = '\0';
 		}
 		len = strlen(p);
 		p += len;
 		len = out[i].width - len + 1;
 		if (++i == out_cnt) /* do not pad last field */
 			break;
-		while (len--)
-			*p++ = ' ';
-		*p = '\0';
+		p += sprintf(p, "%*s", len, "");
 	}
 	printf("%.*s\n", terminal_width, buffer);
 }