X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=string.c;h=3bddd5e80896e843470687671a05cb0ef09051e2;hp=f7d70353db977d6543055c19c7bd68a17b83a3ce;hb=f7d3162fdf4c348beb7d315a85b34af6e1cdaff5;hpb=f48194d3ff2a3983f21cab1553fbe29529f2e790

diff --git a/string.c b/string.c
index f7d70353..3bddd5e8 100644
--- a/string.c
+++ b/string.c
@@ -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().
  *