doxygen: Trivial cleanups.

[paraslash.git] / string.c

diff --git a/string.c b/string.c
index 86e775387a9a7d5b1c0f429a99255ba621024d30..7b80e1b4ace1888e8af96f525c2a451e2cea913f 100644 (file)
--- a/string.c
+++ b/string.c
@@ -230,7 +230,7 @@ void freep(void *arg)
  * return \a a without making a copy of \a a.  Otherwise, construct the
  * concatenation \a c, free \a a (but not \a b) and return \a c.
  *
- * \sa strcat(3)
+ * \sa strcat(3).
  */
 __must_check __malloc char *para_strcat(char *a, const char *b)
 {
@@ -803,15 +803,18 @@ err:
  * Split a buffer into words.
  *
  * This parser honors single and double quotes, backslash-escaped characters
- * and special characters like \p \\n. The result contains pointers to copies
- * of the words contained in \a buf and has to be freed by using \ref
- * free_argv().
+ * and special characters like \\n. The result contains pointers to copies of
+ * the words contained in buf and has to be freed by using \ref free_argv().
  *
  * \param buf The buffer to be split.
  * \param delim Each character in this string is treated as a separator.
  * \param result The array of words is returned here.
  *
- * \return Number of words in \a buf, negative on errors.
+ * It's OK to pass NULL as the buffer argument. This is equivalent to passing
+ * the empty string.
+ *
+ * \return Number of words in buf, negative on errors. The array returned
+ * through the result pointer is NULL terminated.
  */
 int create_argv(const char *buf, const char *delim, char ***result)
 {