monitor: Move monitor_putc() next to monitor_puts & external linkage

monitor_putc() will soon be used from more than one .c file.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-28-armbru@redhat.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/monitor/monitor.c b/monitor/monitor.c
index 7ed7bd5342..e1d5002adf 100644
--- a/monitor/monitor.c
+++ b/monitor/monitor.c
@@ -260,6 +260,33 @@ int monitor_printf(Monitor *mon, const char *fmt, ...)
     return ret;
 }
 
+void monitor_printc(Monitor *mon, int c)
+{
+    monitor_printf(mon, "'");
+    switch(c) {
+    case '\'':
+        monitor_printf(mon, "\\'");
+        break;
+    case '\\':
+        monitor_printf(mon, "\\\\");
+        break;
+    case '\n':
+        monitor_printf(mon, "\\n");
+        break;
+    case '\r':
+        monitor_printf(mon, "\\r");
+        break;
+    default:
+        if (c >= 32 && c <= 126) {
+            monitor_printf(mon, "%c", c);
+        } else {
+            monitor_printf(mon, "\\x%02x", c);
+        }
+        break;
+    }
+    monitor_printf(mon, "'");
+}
+
 /*
  * Print to current monitor if we have one, else to stderr.
  */