From 42d169f374f14595c52c523b40c97dc90707c46f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Fri, 13 Jan 2017 12:26:42 +0100
Subject: text-regex: add text_regex_nsub to get number of sub expressions

---
 text-regex.c | 6 ++++++
 text-regex.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/text-regex.c b/text-regex.c
index dd541d7..439c24a 100644
--- a/text-regex.c
+++ b/text-regex.c
@@ -23,6 +23,12 @@ int text_regex_compile(Regex *regex, const char *string, int cflags) {
 	return r;
 }
 
+size_t text_regex_nsub(Regex *r) {
+	if (!r)
+		return 0;
+	return r->regex.re_nsub;
+}
+
 void text_regex_free(Regex *r) {
 	if (!r)
 		return;
diff --git a/text-regex.h b/text-regex.h
index 3ace3de..1b2c382 100644
--- a/text-regex.h
+++ b/text-regex.h
@@ -9,6 +9,7 @@ typedef Filerange RegexMatch;
 
 Regex *text_regex_new(void);
 int text_regex_compile(Regex*, const char *pattern, int cflags);
+size_t text_regex_nsub(Regex*);
 void text_regex_free(Regex*);
 int text_regex_match(Regex*, const char *data, int eflags);
 int text_search_range_forward(Text*, size_t pos, size_t len, Regex *r, size_t nmatch, RegexMatch pmatch[], int eflags);
-- 
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