jtag: fix build with configure --enable-verbose

[openocd.git] / src / jtag / drivers / opendous.c

diff --git a/src/jtag/drivers/opendous.c b/src/jtag/drivers/opendous.c
index d0c5277882094a19040577b0563db9803df4974c..c353aef407dd654fef0808cb819a68b7873a1c19 100644 (file)
--- a/src/jtag/drivers/opendous.c
+++ b/src/jtag/drivers/opendous.c
@@ -796,17 +796,12 @@ int opendous_usb_read(struct opendous_jtag *opendous_jtag)
 
 void opendous_debug_buffer(uint8_t *buffer, int length)
 {
-       char line[81];
-       char s[4];
-       int i;
-       int j;
+       char line[8 + 3 * BYTES_PER_LINE + 1];
 
-       for (i = 0; i < length; i += BYTES_PER_LINE) {
-               snprintf(line, 5, "%04x", i);
-               for (j = i; j < i + BYTES_PER_LINE && j < length; j++) {
-                       snprintf(s, 4, " %02x", buffer[j]);
-                       strcat(line, s);
-               }
+       for (int i = 0; i < length; i += BYTES_PER_LINE) {
+               int n = snprintf(line, 9, "%04x", i);
+               for (int j = i; j < i + BYTES_PER_LINE && j < length; j++)
+                       n += snprintf(line + n, 4, " %02x", buffer[j]);
                LOG_DEBUG("%s", line);
        }
 }