documentation bits in comments, no code changes

2 files changed, 6 insertions, 1 deletions

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 62f8949d6..a018a53ff 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -1253,6 +1253,11 @@ static void win_changed(int nsig)
 #undef CTRL
 #define CTRL(a) ((a) & ~0x40)
 
+/* Returns:
+ * -1 on read errors or EOF, or on bare Ctrl-D.
+ * 0  on ctrl-C,
+ * >0 length of input string, including terminating '\n'
+ */
 int read_line_input(const char* prompt, char* command, int maxsize, line_input_t *st)
 {
         int lastWasTab = FALSE;
diff --git a/libbb/skip_whitespace.c b/libbb/skip_whitespace.c
index bdfb97d70..87b5f23ba 100644
--- a/libbb/skip_whitespace.c
+++ b/libbb/skip_whitespace.c
@@ -11,7 +11,7 @@
 
 char *skip_whitespace(const char *s)
 {
-        /* NB: isspace('0') returns 0 */
+        /* NB: isspace('\0') returns 0 */
         while (isspace(*s)) ++s;
 
         return (char *) s;