[RFC/PATCH v3 5/8] libbb: add a comment describing the way is_prefixed_with() works

Bartosz Golaszewski bartekgola at gmail.com
Tue Aug 25 11:10:00 UTC 2015


Signed-off-by: Bartosz Golaszewski <bartekgola at gmail.com>
---
 libbb/compare_string_array.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libbb/compare_string_array.c b/libbb/compare_string_array.c
index eb754af..901e61a 100644
--- a/libbb/compare_string_array.c
+++ b/libbb/compare_string_array.c
@@ -5,6 +5,11 @@
 
 #include "libbb.h"
 
+/*
+ * Return NULL if string is not prefixed with key. Return pointer to the
+ * first character in string after the prefix key. If key is an empty string,
+ * return pointer to the beginning of string.
+ */
 char* FAST_FUNC is_prefixed_with(const char *string, const char *key)
 {
 	while (*key != '\0') {
-- 
2.1.4



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