curl: point out unnecessary uses of -X in verbose mode

It uses 'Note:' as a prefix as opposed to the common 'Warning:' to take
down the tone a bit.

It adds a warning for using -XHEAD on other methods becasue that may
lead to a hanging connection.

1 files changed, 36 insertions, 15 deletions

diff --git a/src/tool_msgs.c b/src/tool_msgs.c
index 38de977aa..565e28381 100644
--- a/src/tool_msgs.c
+++ b/src/tool_msgs.c
@@ -31,31 +31,27 @@
 #include "memdebug.h" /* keep this as LAST include */
 
 #define WARN_PREFIX "Warning: "
-#define WARN_TEXTWIDTH (79 - (int)strlen(WARN_PREFIX))
+#define NOTE_PREFIX "Note: "
 
-/*
- * Emit warning formatted message on configured 'errors' stream unless
- * mute (--silent) was selected.
- */
-
-void warnf(struct GlobalConfig *config, const char *fmt, ...)
+static void voutf(struct GlobalConfig *config,
+                  const char *prefix,
+                  const char *fmt,
+                  va_list ap)
 {
+  size_t width = (79 - (int)strlen(prefix));
   if(!config->mute) {
-    va_list ap;
-    int len;
+    size_t len;
     char *ptr;
     char print_buffer[256];
 
-    va_start(ap, fmt);
     len = vsnprintf(print_buffer, sizeof(print_buffer), fmt, ap);
-    va_end(ap);
 
     ptr = print_buffer;
     while(len > 0) {
-      fputs(WARN_PREFIX, config->errors);
+      fputs(prefix, config->errors);
 
-      if(len > (int)WARN_TEXTWIDTH) {
-        int cut = WARN_TEXTWIDTH-1;
+      if(len > width) {
+        size_t cut = width-1;
 
         while(!ISSPACE(ptr[cut]) && cut) {
           cut--;
@@ -63,7 +59,7 @@ void warnf(struct GlobalConfig *config, const char *fmt, ...)
         if(0 == cut)
           /* not a single cutting position was found, just cut it at the
              max text width then! */
-          cut = WARN_TEXTWIDTH-1;
+          cut = width-1;
 
         (void)fwrite(ptr, cut + 1, 1, config->errors);
         fputs("\n", config->errors);
@@ -79,6 +75,31 @@ void warnf(struct GlobalConfig *config, const char *fmt, ...)
 }
 
 /*
+ * Emit 'note' formatted message on configured 'errors' stream, if verbose was
+ * selected.
+ */
+void notef(struct GlobalConfig *config, const char *fmt, ...)
+{
+  va_list ap;
+  va_start(ap, fmt);
+  if(config->tracetype)
+    voutf(config, NOTE_PREFIX, fmt, ap);
+  va_end(ap);
+}
+
+/*
+ * Emit warning formatted message on configured 'errors' stream unless
+ * mute (--silent) was selected.
+ */
+
+void warnf(struct GlobalConfig *config, const char *fmt, ...)
+{
+  va_list ap;
+  va_start(ap, fmt);
+  voutf(config, WARN_PREFIX, fmt, ap);
+  va_end(ap);
+}
+/*
  * Emit help formatted message on given stream.
  */