1 files changed, 14 insertions, 0 deletions
diff --git a/src/tool_msgs.c b/src/tool_msgs.c
index 48c724940..c0e85aee6 100644
--- a/src/tool_msgs.c
+++ b/src/tool_msgs.c
@@ -32,6 +32,7 @@
 
 #define WARN_PREFIX "Warning: "
 #define NOTE_PREFIX "Note: "
+#define ERROR_PREFIX "curl: "
 
 static void voutf(struct GlobalConfig *config,
                   const char *prefix,
@@ -122,3 +123,16 @@ void helpf(FILE *errors, const char *fmt, ...)
 #endif
           "for more information\n");
 }
+
+/*
+ * Emit error message on error stream if not muted.
+ */
+void errorf(struct GlobalConfig *config, const char *fmt, ...)
+{
+  if(!config->mute) {
+    va_list ap;
+    va_start(ap, fmt);
+    voutf(config, ERROR_PREFIX, fmt, ap);
+    va_end(ap);
+  }
+}