From: Michael Brown <mcb30@etherboot.org>
Date: Sun, 30 Apr 2006 12:01:31 +0000 (+0000)
Subject: Add a temporary snprintf, so that safely-written code can at least
X-Git-Tag: v0.9.3~1453
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a42092d2a05bbaf102121e655b5b4c240c8f8e8e;p=thirdparty%2Fipxe.git

Add a temporary snprintf, so that safely-written code can at least
compile, even if it won't yet be safe.
---

diff --git a/src/core/vsprintf.c b/src/core/vsprintf.c
index e3ff7d9d1..3c8e5b5c3 100644
--- a/src/core/vsprintf.c
+++ b/src/core/vsprintf.c
@@ -173,6 +173,17 @@ int sprintf(char *buf, const char *fmt, ...)
 	return i;
 }
 
+#warning "Remove this buffer-overflow-in-waiting at some point"
+int snprintf ( char *buf, size_t size, const char *fmt, ... ) {
+	va_list args;
+	int i;
+
+	va_start ( args, fmt );
+	i = vsprintf ( buf, fmt, args );
+	va_end ( args );
+	return i;
+}
+
 /**
  * Write a formatted string to the console.
  *
diff --git a/src/include/vsprintf.h b/src/include/vsprintf.h
index 122fcc66e..7090d5c3e 100644
--- a/src/include/vsprintf.h
+++ b/src/include/vsprintf.h
@@ -45,6 +45,7 @@
  */
 
 extern int sprintf ( char *buf, const char *fmt, ... );
+extern int snprintf ( char *buf, size_t size, const char *fmt, ... );
 extern int printf ( const char *fmt, ... );
 
 #endif /* VSPRINTF_H */