From a99845006f96f9d1e7af871ec67c71cee8408a62 Mon Sep 17 00:00:00 2001 From: Sumit Bose Date: Tue, 16 Jun 2015 16:58:23 +0200 Subject: utils: add get_last_x_chars() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reviewed-by: Pavel Březina --- src/util/string_utils.c | 17 +++++++++++++++++ src/util/util.h | 2 ++ 2 files changed, 19 insertions(+) (limited to 'src/util') diff --git a/src/util/string_utils.c b/src/util/string_utils.c index 71b2a0920..b6037621e 100644 --- a/src/util/string_utils.c +++ b/src/util/string_utils.c @@ -108,3 +108,20 @@ errno_t guid_blob_to_string_buf(const uint8_t *blob, char *str_buf, return EOK; } + +const char *get_last_x_chars(const char *str, size_t x) +{ + size_t len; + + if (str == NULL) { + return NULL; + } + + len = strlen(str); + + if (len < x) { + return str; + } + + return (str + len - x); +} diff --git a/src/util/util.h b/src/util/util.h index 786ed303e..3d90cf0d1 100644 --- a/src/util/util.h +++ b/src/util/util.h @@ -628,6 +628,8 @@ char * sss_reverse_replace_space(TALLOC_CTX *mem_ctx, errno_t guid_blob_to_string_buf(const uint8_t *blob, char *str_buf, size_t buf_size); +const char *get_last_x_chars(const char *str, size_t x); + /* from become_user.c */ errno_t become_user(uid_t uid, gid_t gid); struct sss_creds; -- cgit