From f1fe3a6a9735cd26520ca68b7c6c991dda0ab2b9 Mon Sep 17 00:00:00 2001
From: Alec Murphy <alec@checksum.fail>
Date: Tue, 10 Jun 2025 09:25:26 -0400
Subject: [PATCH] Add kludge for sprintf -> npf_snprintf in mujs

---
 System/FFI/LibC.HC  |  9 ---------
 src/mujs/jsdate.c   | 10 +++++-----
 src/mujs/jsnumber.c |  4 ++--
 src/mujs/jsrun.c    |  4 ++--
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/System/FFI/LibC.HC b/System/FFI/LibC.HC
index d089d7a..2f1fe23 100644
--- a/System/FFI/LibC.HC
+++ b/System/FFI/LibC.HC
@@ -241,7 +241,6 @@ U0 strcmp()
 {
     PUSH_SYSV_REGS
     GET_SYSV_ARGS
-    //"strcmp: '%s', '%s'\n", p0, p1;
     StrCmp(p0, p1);
     POP_SYSV_REGS
 }
@@ -385,11 +384,3 @@ U0 strstr()
     POP_SYSV_REGS
 
 }
-
-U0 sprintf()
-{
-    PUSH_SYSV_REGS
-    GET_SYSV_ARGS
-    StrPrint(p0, p1, p2, p3, p4, p5);
-    POP_SYSV_REGS
-}
diff --git a/src/mujs/jsdate.c b/src/mujs/jsdate.c
index bf1d406..fd5ab46 100644
--- a/src/mujs/jsdate.c
+++ b/src/mujs/jsdate.c
@@ -323,7 +323,7 @@ static char *fmtdate(char *buf, double t)
 	int d = DateFromTime(t);
 	if (!isfinite(t))
 		return "Invalid Date";
-	sprintf(buf, "%04d-%02d-%02d", y, m+1, d);
+	npf_snprintf(buf, 1024, "%04d-%02d-%02d", y, m+1, d);
 	return buf;
 }
 
@@ -338,11 +338,11 @@ static char *fmttime(char *buf, double t, double tza)
 	if (!isfinite(t))
 		return "Invalid Date";
 	if (tza == 0)
-		sprintf(buf, "%02d:%02d:%02d.%03dZ", H, M, S, ms);
+		npf_snprintf(buf, 1024, "%02d:%02d:%02d.%03dZ", H, M, S, ms);
 	else if (tza < 0)
-		sprintf(buf, "%02d:%02d:%02d.%03d-%02d:%02d", H, M, S, ms, tzh, tzm);
+		npf_snprintf(buf, 1024, "%02d:%02d:%02d.%03d-%02d:%02d", H, M, S, ms, tzh, tzm);
 	else
-		sprintf(buf, "%02d:%02d:%02d.%03d+%02d:%02d", H, M, S, ms, tzh, tzm);
+		npf_snprintf(buf, 1024, "%02d:%02d:%02d.%03d+%02d:%02d", H, M, S, ms, tzh, tzm);
 	return buf;
 }
 
@@ -353,7 +353,7 @@ static char *fmtdatetime(char *buf, double t, double tza)
 		return "Invalid Date";
 	fmtdate(dbuf, t);
 	fmttime(tbuf, t, tza);
-	sprintf(buf, "%sT%s", dbuf, tbuf);
+	npf_snprintf(buf, 1024, "%sT%s", dbuf, tbuf);
 	return buf;
 }
 
diff --git a/src/mujs/jsnumber.c b/src/mujs/jsnumber.c
index 8e79d34..86259da 100644
--- a/src/mujs/jsnumber.c
+++ b/src/mujs/jsnumber.c
@@ -116,11 +116,11 @@ static void numtostr(js_State *J, const char *fmt, int w, double n)
 {
 	/* buf needs to fit printf("%.20f", 1e20) */
 	char buf[50], *e;
-	sprintf(buf, fmt, w, n);
+	npf_snprintf(buf, 1024, fmt, w, n);
 	e = strchr(buf, 'e');
 	if (e) {
 		int exp = atoi(e+1);
-		sprintf(e, "e%+d", exp);
+		npf_snprintf(e, 1024, "e%+d", exp);
 	}
 	js_pushstring(J, buf);
 }
diff --git a/src/mujs/jsrun.c b/src/mujs/jsrun.c
index b956208..e06b212 100644
--- a/src/mujs/jsrun.c
+++ b/src/mujs/jsrun.c
@@ -919,11 +919,11 @@ const char *js_ref(js_State *J)
 		s = v->u.boolean ? "_True" : "_False";
 		break;
 	case JS_TOBJECT:
-		sprintf(buf, "%p", (void*)v->u.object);
+		npf_snprintf(buf, 1024, "%p", (void*)v->u.object);
 		s = js_intern(J, buf);
 		break;
 	default:
-		sprintf(buf, "%d", J->nextref++);
+		npf_snprintf(buf, 1024, "%d", J->nextref++);
 		s = js_intern(J, buf);
 		break;
 	}