From: Dmitry V. Levin <ldv@altlinux.org>
Date: Sun, 4 Dec 2016 18:36:31 +0000 (+0000)
Subject: Do not allocate memory for line buffered output
X-Git-Tag: v4.15~35
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2ecb0a0467453d7ee81439bdf4791e9618387fbc;p=strace

Do not allocate memory for line buffered output

libc is perfectly capable of allocating memory for its buffers,
so let it do its job.

* strace.c (init): Do not allocate memory for setvbuf invocation.
---

diff --git a/strace.c b/strace.c
index f916e325..df1ec3e3 100644
--- a/strace.c
+++ b/strace.c
@@ -1834,8 +1834,7 @@ init(int argc, char *argv[])
 	}
 
 	if (!outfname || outfname[0] == '|' || outfname[0] == '!') {
-		char *buf = xmalloc(BUFSIZ);
-		setvbuf(shared_log, buf, _IOLBF, BUFSIZ);
+		setvbuf(shared_log, NULL, _IOLBF, 0);
 	}
 	if (outfname && argv[0]) {
 		if (!opt_intr)