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helper: hexify correctly handle signed chars
[fw/openocd]
/
src
/
helper
/
binarybuffer.c
diff --git
a/src/helper/binarybuffer.c
b/src/helper/binarybuffer.c
index a90ec7b01ebab7dc3b928104df4badb77d38e59a..b3e44916aa4d44de39f39750226d2bb9c5bb4462 100644
(file)
--- a/
src/helper/binarybuffer.c
+++ b/
src/helper/binarybuffer.c
@@
-393,7
+393,7
@@
int hexify(char *hex, const char *bin, int count, int out_maxlen)
count = strlen(bin);
for (i = 0; i < count; i++)
- cmd_len += snprintf(hex + cmd_len, out_maxlen - cmd_len, "%02x", bin[i]);
+ cmd_len += snprintf(hex + cmd_len, out_maxlen - cmd_len, "%02x", bin[i]
& 0xff
);
return cmd_len;
}