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-rw-r--r--common/util.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/common/util.h b/common/util.h
index e30923330..35529253a 100644
--- a/common/util.h
+++ b/common/util.h
@@ -58,8 +58,8 @@ int map_assuan_err (int err);
/* some macros to replace ctype ones and avoid locale problems */
#define digitp(p) (*(p) >= '0' && *(p) <= '9')
#define hexdigitp(a) (digitp (a) \
- || ((a) >= 'A' && (a) <= 'F') \
- || ((a) >= 'a' && (a) <= 'f'))
+ || (*(a) >= 'A' && *(a) <= 'F') \
+ || (*(a) >= 'a' && *(a) <= 'f'))
/* the atoi macros assume that the buffer has only valid digits */
#define atoi_1(p) (*(p) - '0' )
#define atoi_2(p) ((atoi_1(p) * 10) + atoi_1((p)+1))