From 4aa7fce693904721d89aa92ed01b89266e3bed1a Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 17 Jul 2019 23:08:28 -0400
Subject: sgr(): Add reset code

---
diff --git a/src/sgr.c b/src/sgr.c
index baec803..9e77f18 100644
--- a/src/sgr.c
+++ b/src/sgr.c
@@ -61,7 +61,15 @@ sgr(char *param, png_colorp fg, png_colorp bg)
 				end = 1;
 			}
 			*param = '\0';
-			i = atoi(p);
+			if (*p) {
+				i = atoi(p);
+			} else {
+				i = 0;
+			}
+			if (i == 0) {  /* Reset */
+				memcpy(fg, &_4bit[7], sizeof(*fg));
+				memcpy(bg, &_4bit[0], sizeof(*bg));
+			}
 			if (i >= 30 && i <= 37) {  /* Set foreground color */
 				memcpy(fg, &_4bit[i - 30], sizeof(*fg));
 			}
--
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