1 files changed, 24 insertions, 0 deletions
diff --git a/hiredis.c b/hiredis.c
index cfb0298..78d6bde 100644
--- a/hiredis.c
+++ b/hiredis.c
@@ -208,6 +208,30 @@ static void __redisReaderSetError(redisReader *r, int type, const char *str) {
     r->errstr[len] = '\0';
 }
 
+static size_t chrtos(char *buf, size_t size, char byte) {
+    size_t len = 0;
+
+    switch(byte) {
+    case '\\':
+    case '"':
+        len = snprintf(buf,size,"\"\\%c\"",byte);
+        break;
+    case '\n': len = snprintf(buf,size,"\"\\n\""); break;
+    case '\r': len = snprintf(buf,size,"\"\\r\""); break;
+    case '\t': len = snprintf(buf,size,"\"\\t\""); break;
+    case '\a': len = snprintf(buf,size,"\"\\a\""); break;
+    case '\b': len = snprintf(buf,size,"\"\\b\""); break;
+    default:
+        if (isprint(byte))
+            len = snprintf(buf,size,"\"%c\"",byte);
+        else
+            len = snprintf(buf,size,"\"\\x%02x\"",(unsigned char)byte);
+        break;
+    }
+
+    return len;
+}
+
 static void __redisReaderSetErrorProtocolByte(redisReader *r, char byte) {
     char cbuf[8], sbuf[128];