libfreerdp-core: export function to retrieve error info from static entry table

include/freerdp/error.h

@@ -20,6 +20,10 @@
 #ifndef FREERDP_ERROR_H
 #define FREERDP_ERROR_H
 
+#include <winpr/crt.h>
+
+#include <freerdp/api.h>
+
 #ifdef	__cplusplus
 extern "C" {
 #endif
@@ -128,6 +132,9 @@ extern "C" {
 #define ERRINFO_SUCCESS						0x00000000
 #define ERRINFO_NONE						0xFFFFFFFF
 
+FREERDP_API const char* freerdp_get_error_info_string(UINT32 code);
+FREERDP_API const char* freerdp_get_error_info_name(UINT32 code);
+
 /**
 * This static variable holds an error code if the return value from connect is FALSE.
 * This variable is always set to 0 in the beginning of the connect sequence.

libfreerdp/core/errinfo.c

@@ -443,6 +443,44 @@ static const ERRINFO ERRINFO_CODES[] =
 		ERRINFO_DEFINE(NONE)
 };
 
+const char* freerdp_get_error_info_string(UINT32 code)
+{
+	const ERRINFO* errInfo;
+
+	errInfo = &ERRINFO_CODES[0];
+
+	while (errInfo->code != ERRINFO_NONE)
+	{
+		if (code == errInfo->code)
+		{
+			return errInfo->info;
+		}
+
+		errInfo++;
+	}
+
+	return "Unknown error.";
+}
+
+const char* freerdp_get_error_info_name(UINT32 code)
+{
+	const ERRINFO* errInfo;
+
+	errInfo = &ERRINFO_CODES[0];
+
+	while (errInfo->code != ERRINFO_NONE)
+	{
+		if (code == errInfo->code)
+		{
+			return errInfo->name;
+		}
+
+		errInfo++;
+	}
+
+	return "ERRINFO_UNKNOWN";
+}
+
 void rdp_print_errinfo(UINT32 code)
 {
 	const ERRINFO* errInfo;