Update help prints to print the configured escape character

src/bytenuts.c

@@ -116,11 +116,11 @@ bytenuts_run(int argc, char **argv)
     if (bytenuts.resume) {
         load_state();
     } else {
-        cheerios_insert(
+        cheerios_print(
             "Welcome to Bytenuts\r\n"
-            "To quit press ctrl-b q\r\n"
+            "To quit press ctrl-%c q\r\n"
-            "To see all commands, press ctrl-b h\r\n",
+            "To see all commands, press ctrl-%c h\r\n",
-            82
+            bytenuts.config.escape, bytenuts.config.escape
         );
     }
 

src/cheerios.c

@@ -184,6 +184,29 @@ cheerios_info(const char *line)
     return 0;
 }
 
+int
+cheerios_print(const char *fmt, ...)
+{
+    va_list ap;
+    char *buf;
+    size_t len;
+
+    va_start(ap, fmt);
+    len = vsnprintf(NULL, 0, fmt, ap);
+    va_end(ap);
+
+    buf = calloc(1, len+1);
+
+    va_start(ap, fmt);
+    vsprintf(buf, fmt, ap);
+    va_end(ap);
+
+    cheerios_insert(buf, len);
+    free(buf);
+
+    return 0;
+}
+
 int
 cheerios_insert(const char *buf, size_t len)
 {

src/cheerios.h

@@ -3,6 +3,7 @@
 
 #include <ncurses.h>
 #include <pthread.h>
+#include <stdarg.h>
 #include <stdio.h>
 
 #include "bytenuts.h"
@@ -69,6 +70,10 @@ int cheerios_input(const char *line);
  * do not terminate with a newline! */
 int cheerios_info(const char *line);
 
+/* Like cheerios_insert except using printf formatting */
+__attribute__((format(printf, 1, 2)))
+int cheerios_print(const char *fmt, ...);
+
 /* directly insert a buffer to the output window */
 int cheerios_insert(const char *buf, size_t len);
 

src/ingest.c

@@ -359,8 +359,8 @@ ingest_thread(void *arg)
                 bytenuts_set_status(STATUS_INGEST, "xmodem1k");
                 break;
             case 'h':
-                cheerios_insert(
+                cheerios_print(
-                    "Commands (lead with ctrl-b):\r\n"
+                    "Commands (lead with ctrl-%c):\r\n"
                     "  c: print available quick commands\r\n"
                     "  0-9: load the given quick command (0 is 10)\r\n"
                     "  p: select a different quick commands page\r\n"
@@ -369,7 +369,7 @@ ingest_thread(void *arg)
                     "  X: start XModem upload with 1024B payloads\r\n"
                     "  h: view this help\r\n"
                     "  q: quit Bytenuts\r\n",
-                    313
+                    ingest.config->escape
                 );
                 bytenuts_set_status(STATUS_INGEST, "normal");
                 should_continue = 1;