libblkid: fix compiler warnings [-Wpointer-sign]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libblkid/src/superblocks/udf.c b/libblkid/src/superblocks/udf.c
index 2a2c9e60c922e93ca80477010005da6db9ce9f88..3e9d48e4caf13069a0dc247967e5469ced91d63e 100644 (file)
--- a/libblkid/src/superblocks/udf.c
+++ b/libblkid/src/superblocks/udf.c
@@ -92,7 +92,7 @@ static inline int gen_uuid_from_volset_id(unsigned char uuid[17], struct dstring
                return -1;
 
        buf[16] = 0;
-       len = strlen(buf);
+       len = strlen((char *) buf);
 
        if (len < 8)
                return -1;
@@ -110,11 +110,11 @@ static inline int gen_uuid_from_volset_id(unsigned char uuid[17], struct dstring
 
        if (binpos < 8) {
                for (i = 0; i < 8; ++i)
-                       snprintf(uuid+2*i, 3, "%02x", buf[i]);
+                       snprintf((char *) uuid + 2 * i, 3, "%02x", buf[i]);
        } else if (binpos < 16) {
                memcpy(uuid, buf, 8);
                for (i = 0; i < 4; ++i)
-                       snprintf(uuid+8+2*i, 3, "%02x", buf[8+i]);
+                       snprintf((char *) uuid + 8 + 2 * i, 3, "%02x", buf[8+i]);
        } else {
                memcpy(uuid, buf, 16);
                uuid[16] = 0;