From: Roy Marples <roy@marples.name>
Date: Tue, 9 Jun 2020 16:49:51 +0000 (+0100)
Subject: logerr: buffer stderr as we now have many processes
X-Git-Tag: v9.1.2~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c4908e85ae7d8400a1c559dee52fcaa8bf6192c;p=thirdparty%2Fdhcpcd.git

logerr: buffer stderr as we now have many processes
---

diff --git a/src/logerr.c b/src/logerr.c
index c4d0462a..1c5217cd 100644
--- a/src/logerr.c
+++ b/src/logerr.c
@@ -50,6 +50,7 @@
 #define UNUSED(a)		(void)(a)
 
 struct logctx {
+	char		 log_buf[BUFSIZ];
 	unsigned int	 log_opts;
 #ifndef SMALL
 	FILE		*log_file;
@@ -369,6 +370,9 @@ logopen(const char *path)
 	/* Cache timezone */
 	tzset();
 
+	if (setvbuf(stderr, ctx->log_buf, _IOLBF, sizeof(ctx->log_buf)) == -1)
+		fprintf(stderr, "%s: %s\n", __func__, strerror(errno));
+
 	if (path == NULL) {
 		int opts = 0;