From: Trent Huber <trentmhuber@gmail.com>
Date: Mon, 15 Jun 2026 00:40:07 +0000 (-0400)
Subject: Bug fix for prompt()
X-Git-Url: http://trenthuber.com/code?a=commitdiff_plain;h=e3d0b539c44787ea64b1e35436652eb0d86f8a85;p=thus.git

Bug fix for prompt()
---

diff --git a/src/input.c b/src/input.c
index 4b751a3..7cf395d 100644
--- a/src/input.c
+++ b/src/input.c
@@ -75,16 +75,18 @@ static void moveright(void) {
 }
 
 static void prompt(void) {
-	char *p, *oldstart, *oldcursor;
+	char *p, buffer[MAXCHARS + 1], *oldstart, *oldcursor;
 
-	if (!(p = getenv("PROMPT")))
-		fatal("Unable to access $PROMPT$ environment variable");
+	if (!(p = getenv("PROMPT")) && setenv("PROMPT", p = ">", 1) == -1)
+		fatal("Unable to update $PROMPT$ environment variable");
+	strcpy(buffer, p);
+	strcat(buffer, " ");
 
 	oldstart = start;
 	oldcursor = cursor;
 
 	promptlen = 0;
-	cursor = start = p;
+	cursor = start = buffer;
 	while (*cursor) moveright();
 	promptlen = cursor - start;