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-rw-r--r--src/basic/string-util.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/basic/string-util.h b/src/basic/string-util.h
index ad0c81376..139cc8c91 100644
--- a/src/basic/string-util.h
+++ b/src/basic/string-util.h
@@ -37,6 +37,7 @@
#define UPPERCASE_LETTERS "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
#define LETTERS LOWERCASE_LETTERS UPPERCASE_LETTERS
#define ALPHANUMERICAL LETTERS DIGITS
+#define HEXDIGITS DIGITS "abcdefABCDEF"
#define streq(a,b) (strcmp((a),(b)) == 0)
#define strneq(a, b, n) (strncmp((a), (b), (n)) == 0)