[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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