From 395925f40dbea1073f89dd9d852c944cbd779ffa Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Jul 15 2018 16:18:48 +0000
Subject: output interfaces: restrict to pure fdio via use of ntux_dprintf().


---

diff --git a/src/output/ntux_output_error.c b/src/output/ntux_output_error.c
index 47858ab..3848503 100644
--- a/src/output/ntux_output_error.c
+++ b/src/output/ntux_output_error.c
@@ -86,13 +86,17 @@ static int ntux_output_error_record_plain(
 		: erri->eunit;
 
 	if (epath && !(erri->eflags & NTUX_ERROR_NESTED))
-		if (ntux_fprintf(stderr,"%s: [%s] '%s':\n",
+		if (ntux_dprintf(
+				STDERR_FILENO,
+				"%s: [%s] '%s':\n",
 				dctx->program,
 				ntux_output_unit_header(erri),
 				epath) < 0)
 			return -1;
 
-	if (fprintf(stderr,"%s: %s %s(), line %d%s%s.\n",
+	if (ntux_dprintf(
+			STDERR_FILENO,
+			"%s: %s %s(), line %d%s%s.\n",
 			dctx->program,
 			ntux_output_error_header(erri),
 			erri->efunction,
@@ -101,7 +105,7 @@ static int ntux_output_error_record_plain(
 			errdesc) < 0)
 		return -1;
 
-	return fflush(stderr);
+	return 0;
 }
 
 static int ntux_output_error_record_annotated(
@@ -116,8 +120,8 @@ static int ntux_output_error_record_annotated(
 		: erri->eunit;
 
 	if (epath && !(erri->eflags & NTUX_ERROR_NESTED))
-		if (ntux_fprintf(
-				stderr,
+		if (ntux_dprintf(
+				STDERR_FILENO,
 				"%s%s%s:%s %s[%s]%s %s%s'%s'%s:\n",
 
 				aclr_bold,aclr_magenta,
@@ -133,8 +137,8 @@ static int ntux_output_error_record_annotated(
 				aclr_reset) < 0)
 			return -1;
 
-	if (fprintf(
-			stderr,
+	if (ntux_dprintf(
+			STDERR_FILENO,
 			"%s%s%s:%s %s%s%s %s%s%s()%s, %s%sline %d%s%s%s%s%s.\n",
 
 			aclr_bold,aclr_magenta,
@@ -159,7 +163,7 @@ static int ntux_output_error_record_annotated(
 			aclr_reset) < 0)
 		return -1;
 
-	return fflush(stderr);
+	return 0;
 }
 
 int ntux_output_error_record(