From 6a5377ac14bec2f2ae62c4ec085ff3b149cc11ad Mon Sep 17 00:00:00 2001
From: Denis Vlasenko
Date: Tue, 25 Sep 2007 18:35:28 +0000
Subject: documentation bits in comments, no code changes

---
 libbb/lineedit.c        | 5 +++++
 libbb/skip_whitespace.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

(limited to 'libbb')

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 62f8949..a018a53 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 bdfb97d..87b5f23 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;
-- 
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