add mask input mode

from orig commit 514b09c

components/console/linenoise/linenoise.c

@@ -122,6 +122,7 @@ static linenoiseCompletionCallback *completionCallback = NULL;
 static linenoiseHintsCallback *hintsCallback = NULL;
 static linenoiseFreeHintsCallback *freeHintsCallback = NULL;
 
+static int maskmode = 0; /* for mask input mode */
 static int mlmode = 0;  /* Multi line mode. Default is single line. */
 static int history_max_len = LINENOISE_DEFAULT_HISTORY_MAX_LEN;
 static int history_len = 0;
@@ -189,6 +190,14 @@ FILE *lndebug_fp = NULL;
 
 /* ======================= Low level terminal handling ====================== */
 
+void linenoiseMaskModeEnable() {
+    maskmode = 1;
+}
+
+void linenoiseMaskModeDisable() {
+    maskmode = 0;
+}
+
 /* Set if to use or not the multi line mode. */
 void linenoiseSetMultiLine(int ml) {
     mlmode = ml;
@@ -450,7 +459,12 @@ static void refreshSingleLine(struct linenoiseState *l) {
     abAppend(&ab,seq,strlen(seq));
     /* Write the prompt and the current buffer content */
     abAppend(&ab,l->prompt,strlen(l->prompt));
-    abAppend(&ab,buf,len);
+    if (maskmode == 1) {
+        while (len--) {
+            abAppend(&ab,"*",1);
+        }
+    } else
+        abAppend(&ab,buf,len);
     /* Show hits if any. */
     refreshShowHints(&ab,l,plen);
     /* Erase to right */
@@ -504,7 +518,12 @@ static void refreshMultiLine(struct linenoiseState *l) {
 
     /* Write the prompt and the current buffer content */
     abAppend(&ab,l->prompt,strlen(l->prompt));
-    abAppend(&ab,l->buf,l->len);
+    if (maskmode == 1) {
+        for (uint i = 0; i < l->len; i++) {
+            abAppend(&ab,"*",1);
+        }
+    } else
+        abAppend(&ab,l->buf,l->len);
 
     /* Show hits if any. */
     refreshShowHints(&ab,l,plen);

components/console/linenoise/linenoise.h

@@ -67,6 +67,10 @@ void linenoiseClearScreen(void);
 void linenoiseSetMultiLine(int ml);
 void linenoisePrintKeyCodes(void);
 
+void linenoiseMaskModeEnable();
+void linenoiseMaskModeDisable();
+
+
 #ifdef __cplusplus
 }
 #endif