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author | Bartosz Golaszewski <bartekgola@gmail.com> | 2015-08-25 14:10:00 +0300 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2015-08-25 16:04:16 +0300 |
commit | 0a4d0e8fbf119e61f7223ac00a42505abf7eb168 (patch) | |
tree | b268f441b0c1053b50bf9e95f3c5bc9c28146d7d /libbb | |
parent | b432923e29dcd8c6f3a528bb9d61952de68e790c (diff) |
libbb: add a comment describing the way is_prefixed_with() works
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb')
-rw-r--r-- | libbb/compare_string_array.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libbb/compare_string_array.c b/libbb/compare_string_array.c index 450916c3a..cdcb2718d 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) { #if 0 /* Two passes over key - probably slower */ |