X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=string.c;h=8c8c50ac6ef30e51ec86751837e44e0e2a4ef95f;hb=d4b040af5e31260dbf71f4547484179f32be4746;hp=f7d70353db977d6543055c19c7bd68a17b83a3ce;hpb=f48194d3ff2a3983f21cab1553fbe29529f2e790;p=paraslash.git

diff --git a/string.c b/string.c
index f7d70353..8c8c50ac 100644
--- a/string.c
+++ b/string.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2004-2012 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -711,6 +711,32 @@ out:
 	return ret;
 }
 
+/**
+ * Get the number of the word the cursor is on.
+ *
+ * \param buf The zero-terminated line buffer.
+ * \param delim Characters that separate words.
+ * \param point The cursor position.
+ *
+ * \return Zero-based word number.
+ */
+int compute_word_num(const char *buf, const char *delim, int point)
+{
+	int ret, num_words;
+	const char *p;
+	char *word;
+
+	for (p = buf, num_words = 0; ; p += ret, num_words++) {
+		ret = get_next_word(p, delim, &word);
+		if (ret <= 0)
+			break;
+		free(word);
+		if (p + ret >= buf + point)
+			break;
+	}
+	return num_words;
+}
+
 /**
  * Free an array of words created by create_argv().
  *