vendor/bc: import version 5.3.3vendor/bc/5.3.3

This version fixes a build issue caused by the strict compiler
warnings used when building FreeBSD base system components.

3 files changed, 10 insertions, 5 deletions

diff --git a/NEWS.md b/NEWS.md
index eda77b17c21a..543507c717df 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,12 @@
 # News
 
+## 5.3.3
+
+This is a production release that fixes a build problem in the FreeBSD base
+system.
+
+All other users do **NOT** need to upgrade.
+
 ## 5.3.2
 
 This is a production release that fixes prompt bugs with editline and readline
diff --git a/include/version.h b/include/version.h
index 63578e0fe8f0..4400e4f59ccd 100644
--- a/include/version.h
+++ b/include/version.h
@@ -37,6 +37,6 @@
 #define BC_VERSION_H
 
 /// The current version.
-#define VERSION 5.3.2
+#define VERSION 5.3.3
 
 #endif // BC_VERSION_H
diff --git a/src/history.c b/src/history.c
index 47ed6cda7f22..3433c0ed8ddf 100644
--- a/src/history.c
+++ b/src/history.c
@@ -157,13 +157,14 @@ sigjmp_buf bc_history_jmpbuf;
 volatile sig_atomic_t bc_history_inlinelib;
 
 static char* bc_history_prompt;
+static char bc_history_no_prompt[] = "";
 static HistEvent bc_history_event;
 
 static char*
 bc_history_promptFunc(EditLine* el)
 {
 	BC_UNUSED(el);
-	return bc_history_prompt;
+	return BC_PROMPT ? bc_history_prompt : bc_history_no_prompt;
 }
 
 void
@@ -172,9 +173,6 @@ bc_history_init(BcHistory* h)
 	BcVec v;
 	char* home;
 
-	// Just set a blank prompt when it is turned off.
-	if (!BC_PROMPT) bc_history_prompt = "";
-
 	home = getenv("HOME");
 
 	// This will hold the true path to the editrc.