readtags: export the function for printing tag values

Signed-off-by: Masatake YAMATO <[email protected]>

Author: masatake

extra-cmds/printtags.c

@@ -102,6 +102,20 @@ static void printValue (const char *val, int printingWithEscaping,
 		print_str (val, outfp);
 }
 
+extern int tagsPrintValue (const char *val,
+						   int escaping,
+						   tagPrintProcs *procs,
+						   void *outfp)
+{
+	if (!procs)
+		procs = &printFILEProcs;
+
+	printValue (val, escaping,
+				procs->printStr, procs->printChar,
+				outfp);
+	return 1;
+}
+
 static void tagsPrintTag (const tagEntry *entry,
 						  int printingExtensionFields,
 						  int printingLineNumber,

extra-cmds/printtags.h

@@ -46,6 +46,8 @@ extern int tagsPrint (const tagEntry *entry,
 extern int tagsPrintPseudoTag (const tagEntry *entry,
 							   tagPrintOptions *opts, tagPrintProcs *procs, void *outfp);
 
+extern int tagsPrintValue (const char *val, int escaping, tagPrintProcs *procs, void *outfp);
+
 #ifdef __cplusplus
 };
 #endif