From e2fe0eeb18f7539fc43621cb6438244e7e7d6a17 Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Fri, 24 Jun 2016 18:36:14 +0200
Subject: [PATCH] cli: add arbitrary string list completion helper

---
 clients/cli/common.c | 22 ++++++++++++++++++++++
 clients/cli/common.h |  2 ++
 2 files changed, 24 insertions(+)

diff --git a/clients/cli/common.c b/clients/cli/common.c
index 0267d6f67b..6c7a6dc46b 100644
--- a/clients/cli/common.c
+++ b/clients/cli/common.c
@@ -1442,3 +1442,25 @@ nmc_do_cmd (NmCli *nmc, const NMCCommand cmds[], const char *cmd, int argc, char
 
 	return nmc->return_value;
 }
+
+/**
+ * nmc_complete_strings:
+ * @prefix: a string to match
+ * @...: a %NULL-terminated list of candidate strings
+ *
+ * Prints all the matching candidates for completion. Useful when there's
+ * no better way to suggest completion other than a hardcoded string list.
+ */
+void
+nmc_complete_strings (const char *prefix, ...)
+{
+	va_list args;
+	const char *candidate;
+
+	va_start (args, prefix);
+	while ((candidate = va_arg (args, const char *))) {
+		if (!*prefix || matches (prefix, candidate) == 0)
+			g_print ("%s\n", candidate);
+	}
+	va_end (args);
+}
diff --git a/clients/cli/common.h b/clients/cli/common.h
index 79cd81a07d..eacd20eb44 100644
--- a/clients/cli/common.h
+++ b/clients/cli/common.h
@@ -81,4 +81,6 @@ typedef struct {
 
 NMCResultCode nmc_do_cmd (NmCli *nmc, const NMCCommand cmds[], const char *argv0, int argc, char **argv);
 
+void nmc_complete_strings (const char *prefix, ...) G_GNUC_NULL_TERMINATED;
+
 #endif /* NMC_COMMON_H */