From 2241ee9563bbcb8bf729547926133619d4baa0cd Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Thu, 8 Dec 2022 14:13:47 +0900 Subject: [PATCH] string-util: introduce ascii_ishex() (cherry picked from commit 0ce8870f19a839c7b09b4ef5b61c2d363050c7d9) Related: RHEL-27512 --- src/fundamental/string-util-fundamental.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/fundamental/string-util-fundamental.h b/src/fundamental/string-util-fundamental.h index 523c612a17..c35ce5b88f 100644 --- a/src/fundamental/string-util-fundamental.h +++ b/src/fundamental/string-util-fundamental.h @@ -110,6 +110,10 @@ static inline bool ascii_isdigit(sd_char a) { return a >= '0' && a <= '9'; } +static inline bool ascii_ishex(sd_char a) { + return ascii_isdigit(a) || (a >= 'a' && a <= 'f') || (a >= 'A' && a <= 'F'); +} + static inline bool ascii_isalpha(sd_char a) { /* A pure ASCII, locale independent version of isalpha() */ return (a >= 'a' && a <= 'z') || (a >= 'A' && a <= 'Z');