From 4ccde167215e4b098120bceddcfaf41e3ca8e8b8 Mon Sep 17 00:00:00 2001
From: Brian Barto <bartobrian@gmail.com>
Date: Mon, 18 Apr 2016 14:51:16 -0400
Subject: [PATCH] No need to loop to increase buffer size when snprintf() tells
 me exactly how much space I need.

	modified:   src/nms.c
---
 src/nms.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/nms.c b/src/nms.c
index 456e867..b605c49 100644
--- a/src/nms.c
+++ b/src/nms.c
@@ -52,15 +52,14 @@ char getMaskChar(void);
  * const char *format - printf-style format string
  */
 void nmsprintf(const char *format, ...) {
-	int bufferSize = PRINT_BUFFER;
-	int bufferIncrementSize = PRINT_BUFFER;
-	char *nmsprintBuffer = malloc(bufferSize);
+	char *nmsprintBuffer = malloc(PRINT_BUFFER);
+	int fmtSize;
 
 	va_list argp;
 	va_start(argp, format);
-	while (vsnprintf(nmsprintBuffer, bufferSize, format, argp) >= bufferSize) {
-		bufferSize += bufferIncrementSize;
-		nmsprintBuffer = realloc(nmsprintBuffer, bufferSize);
+	if ((fmtSize = vsnprintf(nmsprintBuffer, PRINT_BUFFER, format, argp)) >= PRINT_BUFFER) {
+		nmsprintBuffer = realloc(nmsprintBuffer, fmtSize + 1);
+		vsnprintf(nmsprintBuffer, fmtSize + 1, format, argp);
 	}
 	va_end(argp);